{"id":77041,"date":"2020-04-07T13:42:46","date_gmt":"2020-04-07T11:42:46","guid":{"rendered":"https:\/\/prohoster.info\/blog\/administrirovanie\/podrobnosti-realizaczii-protokola-sinhronizaczii-vremeni-ptpv2"},"modified":"2020-04-07T13:42:46","modified_gmt":"2020-04-07T11:42:46","slug":"podrobnosti-realizaczii-protokola-sinhronizaczii-vremeni-ptpv2","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sq\/blog\/administrirovanie\/podrobnosti-realizaczii-protokola-sinhronizaczii-vremeni-ptpv2","title":{"rendered":"L\u00ebshimi i Firefox 75","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><b>Hyrje<\/b><\/p>\n<p>Koncepcia e nd\u00ebrtimit t\u00eb \"N\u00ebnstacioneve Digitale\" n\u00eb energjin\u00eb elektrike k\u00ebrkon sinkronizim me sakt\u00ebsi prej 1 \u00b5s. P\u00ebr kryerjen e transaksioneve financiare gjithashtu k\u00ebrkohet sakt\u00ebsi n\u00eb \u00b5s. N\u00eb k\u00ebto aplikacione, sakt\u00ebsia e koh\u00ebs NTP tashm\u00eb nuk \u00ebsht\u00eb e mjaftueshme.<\/p>\n<p>Protokolli i sinkronizimit PTPv2, i p\u00ebrshkruar nga standardi IEEE 1588v2, lejon arritjen e sakt\u00ebsis\u00eb s\u00eb sinkronizimit n\u00eb disa dhjet\u00ebra nanosekonda. PTPv2 lejon d\u00ebrgimin e pakove t\u00eb sinkronizimit p\u00ebrmes rrjeteve L2 dhe L3.<\/p>\n<p>Fushat kryesore ku p\u00ebrdoret PTPv2 jan\u00eb:<\/p>\n<ul>\n<li>energjia;<\/li>\n<li>pajisjet e kontrollit dhe matjes;<\/li>\n<li>kompleksi industrial-ushtarak;<\/li>\n<li>telekomunikacioni;<\/li>\n<li>sektori financiar.<\/li>\n<\/ul>\n<p>\nN\u00eb k\u00ebt\u00eb postim do t\u00eb shqyrtojm\u00eb se si funksionon protokolli i sinkronizimit PTPv2.<\/p>\n<p>Ne kemi m\u00eb shum\u00eb p\u00ebrvoj\u00eb n\u00eb industri dhe shpesh p\u00ebrballemi me k\u00ebt\u00eb protokoll n\u00eb aplikacionet energjetike. Prandaj, do ta b\u00ebjm\u00eb edhe p\u00ebrmbledhjen me nj\u00eb v\u00ebshtrim <noindex><a rel=\"nofollow\" href=\"https:\/\/www.phoenixcontact.com\/online\/portal\/ru?1dmy&amp;urile=wcm%3apath%3a\/ruru\/web\/main\/products\/subcategory_pages\/Managed_switches_P-08-10-16-01\/aead25f7-3319-485d-8868-126c62b77cb1\">n\u00eb energji.<\/a><\/noindex>.<\/p>\n<p><b>Pse \u00ebsht\u00eb e nevojshme?<\/b><\/p>\n<p>Tani p\u00ebr tani, n\u00eb STO 34.01-21-004-2019 t\u00eb PAO \"Rosseti\" dhe n\u00eb STO 56947007-29.240.10.302-2020 t\u00eb PAO \"FSK EES\" p\u00ebrmbahen k\u00ebrkesat p\u00ebr organizimin e autobusit t\u00eb procesit me sigurin\u00eb e sinkronizimit t\u00eb koh\u00ebs sipas PTPv2.<\/p>\n<p>Kjo lidhet me faktin se autobusit t\u00eb procesit i lidhen terminalet e mbrojtjes relle dhe pajisje mat\u00ebse, t\u00eb cilat p\u00ebrmes autobusit t\u00eb procesit, duke p\u00ebrdorur t\u00eb ashtuquajturat rrjedha SV (rrjedha multicast), transmetojn\u00eb vlera instantanesh t\u00eb rrym\u00ebs dhe tensionit.<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<p>Terminalet e mbrojtjes relle p\u00ebrdorin k\u00ebto vlera p\u00ebr t\u00eb realizuar mbrojtje t\u00eb lidhjeve. N\u00ebse sakt\u00ebsia e matjeve n\u00eb koh\u00eb do t\u00eb ishte e ul\u00ebt, disa mbrojtje mund t\u00eb veprojn\u00eb gabim.<\/p>\n<p>P\u00ebr shembull, nj\u00eb viktim\u00eb e \"sinkronizimit t\u00eb dob\u00ebt\" t\u00eb koh\u00ebs mund t\u00eb jet\u00eb mbrojtja e selektivitetit absolut. Shpesh logjika e k\u00ebtyre mbrojtjeve nd\u00ebrtohet mbi krahasimin e dy vlerave. N\u00ebse vlerat ndryshojn\u00eb n\u00eb nj\u00eb sasi t\u00eb mjaftueshme, at\u00ebher\u00eb mbrojtja aktivizohet. N\u00ebse k\u00ebto vlera mat\u00ebn me sakt\u00ebsi kohe 1 ms, at\u00ebher\u00eb mund t\u00eb merret nj\u00eb ndryshim i madh aty ku vlerat n\u00eb t\u00eb v\u00ebrtet\u00eb jan\u00eb brenda norm\u00ebs, n\u00ebse mat\u00ebn me sakt\u00ebsi 1 \u00b5s.<\/p>\n<p><b>Versionet e PTP<\/b><\/p>\n<p>Protokolli PTP u p\u00ebrshkrua fillimisht n\u00eb vitin 2002 n\u00eb standardin IEEE 1588-2002 me emrin \"Standard p\u00ebr nj\u00eb Protokoll t\u00eb Sakt\u00eb t\u00eb Sinkronizimit t\u00eb Or\u00ebs p\u00ebr Sistemet e Matjes dhe Kontrollit t\u00eb Rrjetit\". N\u00eb vitin 2008 u publikua nj\u00eb standard i p\u00ebrmir\u00ebsuar IEEE 1588-2008, i cili p\u00ebrshkruan PTP Version 2. N\u00eb k\u00ebt\u00eb version t\u00eb protokollit, sakt\u00ebsia dhe stabiliteti u p\u00ebrmir\u00ebsuan, por nuk u ruajt marr\u00ebveshja me versionin e par\u00eb t\u00eb protokollit. Po ashtu, n\u00eb vitin 2019 doli versioni i standardit IEEE 1588-2019, q\u00eb p\u00ebrshkruan PTP v2.1. Ky version shton disa p\u00ebrmir\u00ebsime t\u00eb vogla n\u00eb PTPv2 dhe \u00ebsht\u00eb i p\u00ebrshtatsh\u00ebm me PTPv2.<\/p>\n<p>Me fjal\u00eb t\u00eb tjera, kemi k\u00ebt\u00eb pamje t\u00eb versioneve:<\/p>\n<p>PTPv1<br \/>\n(IEEE 1588-2002)<\/p>\n<p>PTPv2<br \/>\n(IEEE 1588-2008)<\/p>\n<p>PTPv2.1<br \/>\n(IEEE 1588-2019)<\/p>\n<p>PTPv1 (IEEE 1588-2002)<\/p>\n<p> \u2014<br \/>\nInkompatib\u00ebl<\/p>\n<p>Inkompatib\u00ebl<\/p>\n<p>PTPv2 (IEEE 1588-2008)<\/p>\n<p>Inkompatib\u00ebl<\/p>\n<p> \u2014<br \/>\nKompaktib\u00ebl<\/p>\n<p>PTPv2.1 (IEEE 1588-2019)<\/p>\n<p>Inkompatib\u00ebl<\/p>\n<p>Kompaktib\u00ebl<\/p>\n<p> \u2014 <\/p>\n<p>\nPor, si\u00e7 ndodh gjithmon\u00eb, ka nuanca.<\/p>\n<p>Inkompatibiliteti mes PTPv1 dhe PTPv2 n\u00ebnkupton q\u00eb nj\u00eb pajisje q\u00eb mb\u00ebshtet PTPv1 nuk do t\u00eb mund t\u00eb sinkronizohet nga or\u00eb t\u00eb sakta q\u00eb funksionojn\u00eb n\u00eb PTPv2. P\u00ebr sinkronizimin, ato p\u00ebrdorin formate t\u00eb ndryshme mesazhi.<\/p>\n<p>Por \u00ebsht\u00eb e mundur t\u00eb kombinohen pajisje me PTPv1 dhe pajisje me PTPv2 n\u00eb nj\u00eb rrjet. P\u00ebr k\u00ebt\u00eb, disa prodhues lejojn\u00eb zgjedhjen e versionit t\u00eb protokollit n\u00eb portet e or\u00ebve kufitare. K\u00ebshtu, or\u00ebt kufitare mund t\u00eb sinkronizohen n\u00eb PTPv2 dhe po ashtu t\u00eb sinkronizojn\u00eb or\u00ebt e tjera lidhur me to n\u00eb PTPv1 dhe PTPv2.<\/p>\n<p><b>Pajisjet PTP. \u00c7far\u00eb lloji ekzistojn\u00eb dhe si ndryshojn\u00eb?<\/b><\/p>\n<p>Standardi IEEE 1588v2 p\u00ebrshkruan disa lloje pajisjesh. T\u00eb gjitha ato jan\u00eb t\u00eb renditura n\u00eb tabel\u00eb.<\/p>\n<p>Pajisjet nd\u00ebrveprojn\u00eb me nj\u00ebra-tjetr\u00ebn p\u00ebrmes LAN-it, duke p\u00ebrdorur PTP.<\/p>\n<p>Pajisjet PTP quhen or\u00eb. T\u00eb gjitha or\u00ebt marrin koh\u00ebn e sakt\u00eb nga or\u00ebt master.<\/p>\n<p>Ka 5 lloje or\u00ebsh:<\/p>\n<p>Grandmaster clock (Or\u00ebt Grosm\u00ebster)<\/p>\n<p>Burimi kryesor i koh\u00ebs s\u00eb sakt\u00eb. Shpesh pajisen me nj\u00eb nd\u00ebrfaqe p\u00ebr lidhjen e GPS-it.<\/p>\n<p>Ordinary Clock (Or\u00ebt e Zakonta)<\/p>\n<p>Nj\u00eb pajisje me nj\u00eb port, q\u00eb mund t\u00eb jet\u00eb master (or\u00eb udh\u00ebheq\u00ebse) ose slave (or\u00eb n\u00eb var\u00ebsi)<\/p>\n<p>Or\u00ebt udh\u00ebheq\u00ebse (master)<\/p>\n<p>Jan\u00eb burim i sakt\u00eb i koh\u00ebs, sipas t\u00eb cilit sinkronizohen or\u00ebt e tjera<\/p>\n<p>Or\u00ebt n\u00eb var\u00ebsi (slave)<\/p>\n<p>Pajisje p\u00ebrfundimtare, e cila sinkronizohet nga or\u00ebt udh\u00ebheq\u00ebse<\/p>\n<p>Boundary Clock (Or\u00ebt Kufitare)<\/p>\n<p>Pajisje me disa porte, q\u00eb mund t\u00eb jet\u00eb master ose slave.<\/p>\n<p>K\u00ebshtu k\u00ebto or\u00eb mund t\u00eb sinkronizohen nga or\u00ebt udh\u00ebheq\u00ebse t\u00eb sip\u00ebrme dhe t\u00eb sinkronizojn\u00eb or\u00ebt e varura nga ato.<\/p>\n<p>Orari Transparent End-to-End (Ora transparente q\u00eb punon n\u00eb modin End-to-End)<\/p>\n<p>Nj\u00eb pajisje me porte t\u00eb shumta q\u00eb nuk \u00ebsht\u00eb as ora kryesore, as ora ndihm\u00ebse. Ajo transferon t\u00eb dh\u00ebnat PTP midis dy orkestrave. <\/p>\n<p>Gjat\u00eb transferimit t\u00eb t\u00eb dh\u00ebnave, oraret transparente rregullojn\u00eb t\u00eb gjitha mesazhet PTP. <\/p>\n<p>Rregullimi ndodh p\u00ebrmes shtimit t\u00eb koh\u00ebs s\u00eb vones\u00ebs n\u00eb k\u00ebt\u00eb pajisje n\u00eb fush\u00ebn e rregullimit n\u00eb titullin e mesazhit t\u00eb d\u00ebrguar.<\/p>\n<p>Orari Transparent Peer-to-Peer (Ora transparente q\u00eb punon n\u00eb modin Peer-to-Peer)<\/p>\n<p>Nj\u00eb pajisje me porte t\u00eb shumta q\u00eb nuk \u00ebsht\u00eb as ora kryesore, as ora ndihm\u00ebse. <br \/>\nAjo transferon t\u00eb dh\u00ebnat PTP midis dy orkestrave. <\/p>\n<p>Gjat\u00eb transferimit t\u00eb t\u00eb dh\u00ebnave, oraret transparente rregullojn\u00eb t\u00eb gjitha mesazhet PTP Sync dhe Follow_Up (p\u00ebr to do t\u00eb flitet m\u00eb shum\u00eb m\u00eb posht\u00eb).<\/p>\n<p>Rregullimi arrihet p\u00ebrmes shtimit n\u00eb fush\u00ebn e rregullimit t\u00eb paket\u00ebs s\u00eb d\u00ebrguar t\u00eb vones\u00ebs n\u00eb pajisjen d\u00ebrguese dhe vones\u00ebs n\u00eb kanalin e transferimit t\u00eb t\u00eb dh\u00ebnave.<\/p>\n<p>Nod Menaxhimi (Nod Menaxhues)<\/p>\n<p>Nj\u00eb pajisje q\u00eb konfiguruesh dhe diagnostikon oraret e tjera.<\/p>\n<p>Oraret kryesore dhe ndihm\u00ebse sinkronizohen p\u00ebrmes shenjave t\u00eb koh\u00ebs n\u00eb mesazhet PTP. Ekzistojn\u00eb dy lloje mesazhesh n\u00eb protokollin PTP:<\/p>\n<ul>\n<li>Mesazhet e Ngjarjeve \u2013 k\u00ebto jan\u00eb mesazhe t\u00eb sinkronizuara q\u00eb parashikojn\u00eb gjenerimin e shenj\u00ebs s\u00eb koh\u00ebs n\u00eb momentin e d\u00ebrgimit t\u00eb mesazhit dhe n\u00eb momentin e marrjes s\u00eb tij.<\/li>\n<li>Mesazhet e P\u00ebrgjithshme \u2013 k\u00ebto mesazhe nuk k\u00ebrkojn\u00eb shenja kohe, por mund t\u00eb p\u00ebrmbajn\u00eb shenja t\u00eb koh\u00ebs p\u00ebr mesazhe t\u00eb lidhura.<\/li>\n<\/ul>\n<p><\/p>\n<p>Mesazhet e Ngjarjeve<\/p>\n<p>Mesazhet e P\u00ebrgjithshme<\/p>\n<p>Sync<br \/>\nDelay_Req<br \/>\nPdelay_Req<br \/>\nPdelay_Resp<\/p>\n<p>Announce<br \/>\nFollow_Up<br \/>\nDelay_Resp<br \/>\nPdelay_Resp_Follow_Up<br \/>\nMenaxhimi<br \/>\nSinjalizimi<\/p>\n<p>M\u00eb posht\u00eb do t\u00eb shqyrtohen t\u00eb gjitha llojet e mesazheve m\u00eb n\u00eb detaje.<\/p>\n<p><b>Problemet kryesore t\u00eb sinkronizimit<\/b><\/p>\n<p>Gjat\u00eb transferimit t\u00eb paket\u00ebs s\u00eb sinkronizimit p\u00ebrmes rrjetit lokal, ajo vonohet n\u00eb switch dhe n\u00eb kanal t\u00eb transferimit t\u00eb t\u00eb dh\u00ebnave. \u00c7do switch do t\u00eb jap\u00eb nj\u00eb vones\u00eb prej rreth 10 \u00b5s, gj\u00eb q\u00eb \u00ebsht\u00eb e papranueshme p\u00ebr PTPv2. Sepse ne n\u00eb pajisjen p\u00ebrfundimtare kemi nevoj\u00eb p\u00ebr sakt\u00ebsi prej 1 \u00b5s. (Kjo \u00ebsht\u00eb n\u00ebse flasim p\u00ebr energjin\u00eb. Aplikacione t\u00eb tjera mund t\u00eb k\u00ebrkojn\u00eb sakt\u00ebsi edhe m\u00eb t\u00eb madhe.)<\/p>\n<p>N\u00eb IEEE 1588v2 p\u00ebrshkruhen disa algoritme funksionimi q\u00eb lejojn\u00eb regjistrimin e vones\u00ebs n\u00eb koh\u00eb dhe rregullimin e saj.<\/p>\n<p><b>Algoritmi i pun\u00ebs<\/b><br \/>\nGjat\u00eb pun\u00ebs normale, protokolli punon n\u00eb dy faza.<\/p>\n<ul>\n<li>Faza 1 \u2014 vendosja e hierarkis\u00eb \"Oraret Kryesore \u2013 Oraret Ndihm\u00ebse\".<\/li>\n<li>Faza 2 \u2014 sinkronizimi i orareve p\u00ebrmes mekanizmit End-to-End ose Peer-to-Peer.<\/li>\n<\/ul>\n<p>\n<i>Faza 1 \u2014 Instalimi i hierarkis\u00eb \u00abMaster-Slave\u00bb<\/i><\/p>\n<p>Secili port i or\u00ebve t\u00eb zakonshme ose kufitare ka nj\u00eb num\u00ebr t\u00eb caktuar gjendjesh (or\u00eb t\u00eb udh\u00ebhequra dhe or\u00eb t\u00eb n\u00ebndheshme). Standardi p\u00ebrshkruan algoritmin e kalimit midis k\u00ebtyre gjendjeve. N\u00eb programim, ky algorit\u00ebm quhet automatik i mbarimit ose makin\u00eb gjendjesh (m\u00eb shum\u00eb n\u00eb Wiki).<\/p>\n<p>Ky automat i mbarimit p\u00ebrdor algoritmin Best Master Clock Algorithm (BMCA) p\u00ebr t\u00eb caktuar masterin kur lidhin dy or\u00eb.<\/p>\n<p>Ky algorit\u00ebm lejon or\u00ebt t\u00eb marrin p\u00ebrsip\u00ebr p\u00ebrgjegj\u00ebsit\u00eb e or\u00ebve gjeniale kur or\u00ebt m\u00eb t\u00eb larta gjeniale humbin sinjalin GPS, \u00e7aktivizohen nga rrjeti etj.<\/p>\n<p>Kalimet midis gjendjesh sipas BMCA jan\u00eb p\u00ebrmbledhur shkurtimisht n\u00eb diagramin e m\u00ebposht\u00ebm:<br \/>\n<img decoding=\"async\" alt=\"L\u00ebshimi i Firefox 75\" src=\"\/wp-content\/uploads\/2020\/04\/add811d60135de3be9c6865a5e4493c1.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nInformacioni p\u00ebr or\u00ebt n\u00eb an\u00ebn tjet\u00ebr t\u00eb \"telit\" d\u00ebrgohet n\u00eb nj\u00eb mesazh t\u00eb ve\u00e7ant\u00eb (Mesazhi i Njoftimit). Kur ky informacion merret, algoritmi i makin\u00ebs s\u00eb gjendjeve ekzekutohet dhe b\u00ebhet krahasimi se cilat or\u00eb jan\u00eb m\u00eb t\u00eb mira. Porti n\u00eb or\u00ebt m\u00eb t\u00eb mira b\u00ebhet or\u00eb udh\u00ebheq\u00ebse.<\/p>\n<p>Hierarkia e thjesht\u00eb paraqitet n\u00eb diagramin e m\u00ebposht\u00ebm. Rrug\u00ebt 1, 2, 3, 4, 5 mund t\u00eb p\u00ebrmbajn\u00eb or\u00eb t\u00eb tejdukshme (Transparent clock), por ato nuk marrin pjes\u00eb n\u00eb p\u00ebrcaktimin e hierarkis\u00eb \u00abOr\u00eb udh\u00ebheq\u00ebse \u2013 Or\u00eb t\u00eb n\u00ebndheshme\u00bb.<\/p>\n<p><img decoding=\"async\" alt=\"L\u00ebshimi i Firefox 75\" src=\"\/wp-content\/uploads\/2020\/04\/05831c032a2d4df286ef41c531c949a3.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<b>Faza 2 \u2014 Sinkronizimi i or\u00ebve t\u00eb zakonshme dhe kufitare<\/b><\/p>\n<p>Menj\u00ebher\u00eb pas vendosjes s\u00eb hierarkis\u00eb \u00abOr\u00eb udh\u00ebheq\u00ebse \u2013 Or\u00eb t\u00eb n\u00ebndheshme\u00bb fillon faza e sinkronizimit t\u00eb or\u00ebve t\u00eb zakonshme dhe kufitare.<\/p>\n<p>P\u00ebr sinkronizim, or\u00ebt udh\u00ebheq\u00ebse d\u00ebrgojn\u00eb or\u00ebve t\u00eb n\u00ebndheshme nj\u00eb mesazh q\u00eb p\u00ebrmban nj\u00eb etiket\u00eb kohe.<\/p>\n<p>Or\u00ebt udh\u00ebheq\u00ebse mund t\u00eb jen\u00eb:<\/p>\n<ul>\n<li>nj\u00eb-niveli;<\/li>\n<li>dy-niveli.<\/li>\n<\/ul>\n<p>\nOr\u00ebt nj\u00eb-niveli p\u00ebr sinkronizim d\u00ebrgojn\u00eb nj\u00eb mesazh Sync.<\/p>\n<p>Or\u00ebt dy-niveli p\u00ebr sinkronizim p\u00ebrdorin dy mesazhe \u2013 Sync dhe Follow_Up.<\/p>\n<p>P\u00ebr faz\u00ebn e sinkronizimit mund t\u00eb p\u00ebrdoren dy mekanizma:<\/p>\n<ul>\n<li>Mekanizmi i k\u00ebrkes\u00ebs-p\u00ebrgjigjes p\u00ebr vones\u00ebn (Delay request-response mechanism).<\/li>\n<li>Mekanizmi i matjes s\u00eb vones\u00ebs s\u00eb fqinjit (Peer delay measurement mechanism).<\/li>\n<\/ul>\n<p>\nS\u00eb pari, le t\u00eb shqyrtojm\u00eb k\u00ebta mekanizma n\u00eb rastin m\u00eb t\u00eb thjesht\u00eb \u2014 kur nuk aplikohen or\u00eb t\u00eb tejdukshme.<\/p>\n<p>Mekanizmi i k\u00ebrkes\u00ebs-p\u00ebrgjigjes p\u00ebr vones\u00ebn (Delay request-response mechanism)<\/p>\n<p>Mekanizmi parashikon dy hapa:<\/p>\n<ol>\n<li>Matja e vones\u00ebs n\u00eb transferimin e mesazhit midis or\u00ebve udh\u00ebheq\u00ebse dhe or\u00ebve t\u00eb n\u00ebndheshme. Ekzekutohet p\u00ebrmes mekanizmit t\u00eb k\u00ebrkes\u00ebs-p\u00ebrgjigjes p\u00ebr vones\u00ebn.<\/li>\n<li>Ekzekutohet korrigjimi i devijimit t\u00eb koh\u00ebs s\u00eb sakt\u00eb.<\/li>\n<\/ol>\n<p>\n<i>Matja e vones\u00ebs<\/i><br \/>\n<img decoding=\"async\" alt=\"L\u00ebshimi i Firefox 75\" src=\"\/wp-content\/uploads\/2020\/04\/3a0d534384329c6232259736995eb0bd.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nt1 \u2013 Koha e d\u00ebrgimit t\u00eb mesazhit Sync nga or\u00ebt kryesore; t2 \u2013 Koha e pranimit t\u00eb mesazhit Sync nga or\u00ebt ndihm\u00ebse; t3 \u2013 Koha e d\u00ebrgimit t\u00eb k\u00ebrkes\u00ebs p\u00ebr vones\u00eb (Delay_Req) nga or\u00ebt ndihm\u00ebse; t4 \u2013 Koha e pranimit t\u00eb Delay_Req nga or\u00ebt kryesore.<\/p>\n<p>Kur or\u00ebt ndihm\u00ebse din\u00eb koh\u00ebn t1, t2, t3 dhe t4, ato mund t\u00eb llogarisin vones\u00ebn mesatare gjat\u00eb d\u00ebrgimit t\u00eb mesazhit t\u00eb sinkronizimit (tmpd). Ajo llogaritet si m\u00eb posht\u00eb:<\/p>\n<p><img decoding=\"async\" alt=\"L\u00ebshimi i Firefox 75\" src=\"\/wp-content\/uploads\/2020\/04\/513eb7352a143073835fe36aedd9cb98.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nGjat\u00eb d\u00ebrgimit t\u00eb mesazhit Sync dhe Follow_Up, llogaritet vonesa kohore nga master n\u00eb slave \u2013 t-ms.<\/p>\n<p>Gjat\u00eb d\u00ebrgimit t\u00eb mesazheve Delay_Req dhe Delay_Resp, llogaritet vonesa kohore nga slave n\u00eb master \u2013 t-sm.<\/p>\n<p>N\u00ebse mes k\u00ebtyre dy vlerave ndodhet ndonj\u00eb asimetri, at\u00ebher\u00eb shfaqet nj\u00eb gabim n\u00eb korrigjimin e sakt\u00ebsis\u00eb s\u00eb koh\u00ebs. Gabimi vjen si pasoj\u00eb e faktit se vonesa e llogaritur \u00ebsht\u00eb mesatare nga vonesat t-ms dhe t-sm. N\u00ebse vonesat nuk jan\u00eb t\u00eb barabarta me nj\u00ebra-tjetr\u00ebn, at\u00ebher\u00eb do t\u00eb korrigjojm\u00eb koh\u00ebn jo sakt\u00eb.<\/p>\n<p><i>Korrigjimi i p\u00ebrmas\u00ebs s\u00eb sakt\u00ebsis\u00eb s\u00eb koh\u00ebs.<\/i><\/p>\n<p>Pasi q\u00eb vonesa midis or\u00ebve kryesore dhe or\u00ebve ndihm\u00ebse \u00ebsht\u00eb e njohur, or\u00ebt ndihm\u00ebse kryejn\u00eb korrigjimin e koh\u00ebs.<\/p>\n<p><img decoding=\"async\" alt=\"L\u00ebshimi i Firefox 75\" src=\"\/wp-content\/uploads\/2020\/04\/27f230252126a768273b40e8c8e7cc4e.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nOr\u00ebt ndihm\u00ebse p\u00ebrdorin mesazhin Sync dhe mesazhin opsional Follow_Up p\u00ebr t\u00eb llogaritur p\u00ebrmas\u00ebn e sakt\u00ebsis\u00eb s\u00eb koh\u00ebs gjat\u00eb d\u00ebrgimit t\u00eb pakos nga or\u00ebt kryesore n\u00eb or\u00ebt ndihm\u00ebse. P\u00ebrmasa llogaritet me formul\u00ebn e m\u00ebposhtme:<\/p>\n<p><img decoding=\"async\" alt=\"L\u00ebshimi i Firefox 75\" src=\"\/wp-content\/uploads\/2020\/04\/190604a9287f285e191eb26381fca52c.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<b>Mekanizmi i matjes s\u00eb vones\u00ebs s\u00eb fqinj\u00ebve (Peer delay measurement mechanism).<\/b><\/p>\n<p>Ky mekaniz\u00ebm gjithashtu p\u00ebrdor dy hapa p\u00ebr sinkronizimin:<\/p>\n<ol>\n<li>Dispositivet matin vones\u00ebn kohore me t\u00eb gjith\u00eb fqinj\u00ebt p\u00ebrmes t\u00eb gjitha porteve. P\u00ebr k\u00ebt\u00eb ata p\u00ebrdorin mekanizmin e vones\u00ebs s\u00eb fqinj\u00ebve.<\/li>\n<li>Korrigjimi i p\u00ebrmas\u00ebs s\u00eb sakt\u00ebsis\u00eb s\u00eb koh\u00ebs.<\/li>\n<\/ol>\n<p>\n<i>Matja e vones\u00ebs midis dispozitiv\u00ebve, t\u00eb cil\u00ebt mb\u00ebshtesin modin Peer-to-Peer.<\/i><\/p>\n<p>Vonesa midis porteve, t\u00eb cilat mb\u00ebshtesin mekanizmin peer-to-peer, matet me ndihm\u00ebn e mesazheve t\u00eb m\u00ebposhtme:<\/p>\n<p><img decoding=\"async\" alt=\"L\u00ebshimi i Firefox 75\" src=\"\/wp-content\/uploads\/2020\/04\/897c9914110e9a56f98f4fa835f524cd.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nKur porta 1 e di koh\u00ebn t1, t2, t3 dhe t4, ajo mund t\u00eb llogaris\u00eb vones\u00ebn mesatare (tmld). Ajo llogaritet me formul\u00ebn e m\u00ebposhtme:<\/p>\n<p><img decoding=\"async\" alt=\"L\u00ebshimi i Firefox 75\" src=\"\/wp-content\/uploads\/2020\/04\/17416bf3b60f86136002b27cf4987b27.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nPastaj porta e p\u00ebrdor k\u00ebt\u00eb vler\u00eb gjat\u00eb llogaritjes s\u00eb fush\u00ebs s\u00eb korrigjimit p\u00ebr secilin mesazh Sync ose mesazhin opsional Follow_Up, q\u00eb kalon p\u00ebrmes k\u00ebtij dispositivi. <\/p>\n<p>Vonesa p\u00ebrfundimtare do t\u00eb jet\u00eb e barabart\u00eb me shum\u00ebn e vones\u00ebs gjat\u00eb d\u00ebrgimit p\u00ebrmes k\u00ebtij dispositivi, vones\u00ebs mesatare gjat\u00eb d\u00ebrgimit p\u00ebrmes kanalit t\u00eb t\u00eb dh\u00ebnave dhe vones\u00ebs tashm\u00eb t\u00eb p\u00ebrfshir\u00eb n\u00eb k\u00ebt\u00eb mesazh, p\u00ebrfshir\u00eb n\u00eb dispozitiv\u00ebt m\u00eb t\u00eb lart\u00eb.<\/p>\n<p>Mesazhet Pdelay_Req, Pdelay_Resp dhe opsionale Pdelay_Resp_Follow_Up lejojn\u00eb marrjen e vones\u00ebs nga masteri te sklavi dhe nga skllavi te masteri (n\u00eb rreth).<\/p>\n<p>\u00c7do asimetri midis k\u00ebtyre dy vlerave do t\u00eb sjell\u00eb nj\u00eb gabim n\u00eb korrigjimin e zhvendosjes s\u00eb koh\u00ebs s\u00eb sakt\u00eb.<\/p>\n<p><i>Korrigjimi i zhvendosjes s\u00eb koh\u00ebs s\u00eb sakt\u00eb<\/i><\/p>\n<p><img decoding=\"async\" alt=\"L\u00ebshimi i Firefox 75\" src=\"\/wp-content\/uploads\/2020\/04\/c9cdedffd98db044718b8bc0eef156b9.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nOr\u00ebt e varura p\u00ebrdorin mesazhin Sync dhe mesazhin opsional Follow_Up p\u00ebr t\u00eb llogaritur zhvendosjen e koh\u00ebs s\u00eb sakt\u00eb gjat\u00eb transmetimit t\u00eb paket\u00ebs nga or\u00ebt e udh\u00ebhequra te ato t\u00eb varura. Zhvendosja llogaritet sipas formul\u00ebs s\u00eb m\u00ebposhtme:<\/p>\n<p><img decoding=\"async\" alt=\"L\u00ebshimi i Firefox 75\" src=\"\/wp-content\/uploads\/2020\/04\/dff497d0f5644c3591f05f99e4c8c23a.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nP\u00ebrfitimet e mekanizmit t\u00eb korrigjimit peer-to-peer \u2013 vonesa e \u00e7do mesazhi Sync ose Follow_Up llogaritet gjat\u00eb kalimit t\u00eb tij n\u00eb rrjet. Ndaj, ndryshimi i rrug\u00ebs s\u00eb transmetimit nuk do t\u00eb ndikoj\u00eb aspak n\u00eb sakt\u00ebsin\u00eb e korrigjimit.<\/p>\n<p>Me p\u00ebrdorimin e k\u00ebtij mekanizmi, sinkronizimi i koh\u00ebs nuk k\u00ebrkon llogaritjen e vones\u00ebs s\u00eb koh\u00ebs n\u00eb rrug\u00ebn e kaluar nga paketa e sinkronizimit, si\u00e7 b\u00ebhet me shk\u00ebmbimin baz\u00eb. Kjo do t\u00eb thot\u00eb se mesazhet Delay_Req dhe Delay_Resp nuk d\u00ebrgohen. N\u00eb k\u00ebt\u00eb metod\u00eb, vonesa midis or\u00ebve udh\u00ebheq\u00ebse dhe atyre t\u00eb varura thjesht shumizohet n\u00eb fush\u00ebn e korrigjimit t\u00eb \u00e7do mesazhi Sync ose Follow_Up.<\/p>\n<p>Nj\u00eb tjet\u00ebr p\u00ebrfitim \u2013 or\u00ebt udh\u00ebheq\u00ebse \u00e7lirohen nga nevoja p\u00ebr t\u00eb p\u00ebrpunuar mesazhet Delay_Req.<\/p>\n<p><b>M\u00ebnyrat e funksionimit t\u00eb or\u00ebve transparente<\/b><\/p>\n<p>P\u00ebrkat\u00ebsisht, k\u00ebto ishin shembuj t\u00eb thjesht\u00eb. Tani le t\u00eb supozojm\u00eb se n\u00eb rrug\u00ebn e sinkronizimit shfaqen switch-e.<\/p>\n<p>N\u00ebse p\u00ebrdoren switch-e pa mb\u00ebshtetje PTPv2, at\u00ebher\u00eb paketa e sinkronizimit do t\u00eb p\u00ebrjetohet me vones\u00eb n\u00eb switch p\u00ebr rreth 10 mikrosekonda.<\/p>\n<p>Switch-e me mb\u00ebshtetje PTPv2 n\u00eb terminologjin\u00eb IEEE 1588v2 quhen or\u00eb transparente (Transparent clock). Or\u00ebt transparente nuk sinkronizohen nga or\u00ebt udh\u00ebheq\u00ebse dhe nuk marrin pjes\u00eb n\u00eb hierarkin\u00eb \"Or\u00ebt Udh\u00ebheq\u00ebse \u2013 Or\u00ebt e Varura\", por gjat\u00eb transmetimit t\u00eb mesazheve t\u00eb sinkronizimit, ato mbajn\u00eb mend sa koh\u00eb \u00ebsht\u00eb vonuar mesazhi te ato. Kjo lejon korrigjimin e vones\u00ebs s\u00eb koh\u00ebs.<\/p>\n<p>Or\u00ebt transparente mund t\u00eb funksionojn\u00eb n\u00eb dy m\u00ebnyra:<\/p>\n<ul>\n<li>End-to-End.<\/li>\n<li>Peer-to-Peer.<\/li>\n<\/ul>\n<p>\n<b>End-to-End (E2E)<\/b><\/p>\n<p><img decoding=\"async\" alt=\"L\u00ebshimi i Firefox 75\" src=\"\/wp-content\/uploads\/2020\/04\/94e5d2f343d1657f1458adcbb344d024.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nOr\u00ebt transparente E2E d\u00ebrgojn\u00eb mesazhet Sync dhe mesazhet p\u00ebrkat\u00ebse Follow_Up n\u00eb t\u00eb gjitha portet. Edhe ato q\u00eb jan\u00eb bllokuar nga ndonj\u00eb protokoll (p\u00ebr shembull, RSTP).<\/p>\n<p>Switchi mban hallakun momentin kur t\u00eb paketa Sync (Follow_Up) u pranua n\u00eb port dhe kur u d\u00ebrgua nga porta. N\u00eb baz\u00eb t\u00eb k\u00ebtyre dy moment\u00ebve, llogaritet koha e p\u00ebrpunimit t\u00eb mesazhit nga switchi. N\u00eb standard, kjo koh\u00eb quhet koha e rezidenc\u00ebs.<\/p>\n<p>Koha e p\u00ebrpunimit shtohet n\u00eb fush\u00ebn correctionField t\u00eb mesazhit Sync (or\u00eb nj\u00ebfazore) ose Follow_Up (or\u00eb dyfazore).<\/p>\n<p><img decoding=\"async\" alt=\"L\u00ebshimi i Firefox 75\" src=\"\/wp-content\/uploads\/2020\/04\/b04cfa6cd1a93f25222079d5bb864a6d.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nOr\u00ebt E2E transparente matin koh\u00ebn e p\u00ebrpunimit p\u00ebr mesazhet Sync dhe Delay_Req q\u00eb kalojn\u00eb n\u00ebp\u00ebr switch. Por \u00ebsht\u00eb e r\u00ebnd\u00ebsishme t\u00eb kuptohet se vonesa midis or\u00ebve kryesore dhe or\u00ebve ndihm\u00ebse llogaritet p\u00ebrmes mekanizmit t\u00eb k\u00ebrkes\u00ebs- p\u00ebrgjigjes p\u00ebr vones\u00ebn. N\u00ebse or\u00ebt kryesore ndryshojn\u00eb ose rruga nga or\u00ebt kryesore n\u00eb or\u00ebt ndihm\u00ebse ndryshon, at\u00ebher\u00eb vonesa matet p\u00ebrs\u00ebri. Kjo rrit koh\u00ebn e kalimit n\u00eb rast t\u00eb ndryshimeve n\u00eb rrjet.<\/p>\n<p><img decoding=\"async\" alt=\"L\u00ebshimi i Firefox 75\" src=\"\/wp-content\/uploads\/2020\/04\/5bcb72a639accf802ffba7a1fa9a4767.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nOr\u00ebt P2P transparente, p\u00ebrve\u00e7 matjes s\u00eb koh\u00ebs s\u00eb p\u00ebrpunimit t\u00eb mesazhit nga switchi, masin vones\u00ebn n\u00eb kanalin e transmetimit deri te fqinj\u00ebt m\u00eb t\u00eb af\u00ebrt, duke p\u00ebrdorur mekanizmin e matjes s\u00eb vones\u00ebs s\u00eb fqinjit.<\/p>\n<p>Vonesa matet n\u00eb \u00e7do kanal n\u00eb t\u00eb dyja drejtimet, duke p\u00ebrfshir\u00eb kanalet q\u00eb jan\u00eb t\u00eb bllokuara nga ndonj\u00eb protokoll (p.sh., RSTP). Kjo mund\u00ebson llogaritjen e menj\u00ebhershme t\u00eb vones\u00ebs s\u00eb re n\u00eb rrug\u00ebn e sinkronizimit, n\u00ebse or\u00ebt kryesore ose topologjia e rrjetit kan\u00eb ndryshuar.<\/p>\n<p>Koha e p\u00ebrpunimit t\u00eb mesazheve nga switch-at dhe koha e vones\u00ebs akumulohen gjat\u00eb d\u00ebrgimit t\u00eb mesazheve Sync ose Follow_Up.<\/p>\n<p><b>Llojet e mb\u00ebshtetjes PTPv2 nga switch-at<\/b><\/p>\n<p>Switch-at mund t\u00eb mb\u00ebshtesin PTPv2:<\/p>\n<ul>\n<li>n\u00eb m\u00ebnyr\u00eb softuerike;<\/li>\n<li>n\u00eb m\u00ebnyr\u00eb harduerike.<\/li>\n<\/ul>\n<p>\nN\u00eb realizimin softuerik t\u00eb protokollit PTPv2, switch-i k\u00ebrkon momentin nga firmware. Problemi \u00ebsht\u00eb se firmware-a punon ciklikisht, dhe do t\u00eb duhet t\u00eb prisni derisa t\u00eb p\u00ebrfundoj\u00eb cikli aktual, t\u00eb marr\u00eb k\u00ebrkes\u00ebn n\u00eb p\u00ebrpunim dhe pas p\u00ebrfundimit t\u00eb ciklit t\u00eb ardhsh\u00ebm t\u00eb jap\u00eb momentin. Kjo gjithashtu do t\u00eb marr\u00eb koh\u00eb, dhe ne do t\u00eb kemi vones\u00eb, ndon\u00ebse jo aq t\u00eb r\u00ebnd\u00ebsishme sa pa mb\u00ebshtetje softuerike p\u00ebr PTPv2.<\/p>\n<p>Sakt\u00ebsia e nevojshme sigurohet vet\u00ebm nga mb\u00ebshtetje harduerike p\u00ebr PTPv2. N\u00eb k\u00ebt\u00eb rast, l\u00ebshimi i momentit b\u00ebhet nga nj\u00eb ASIC special, i cili \u00ebsht\u00eb i instaluar n\u00eb port.<\/p>\n<p><b>Formati i mesazhit<\/b><\/p>\n<p>T\u00eb gjitha mesazhet PTP p\u00ebrb\u00ebhen nga fushat e m\u00ebposhtme:<\/p>\n<ul>\n<li>Header \u2013 34 byte.<\/li>\n<li>Body \u2013 madh\u00ebsia varet nga lloji i mesazhit.<\/li>\n<li>Suffix \u2013 opsional.<\/li>\n<\/ul>\n<p>\n<img decoding=\"async\" alt=\"L\u00ebshimi i Firefox 75\" src=\"\/wp-content\/uploads\/2020\/04\/99086e6601dcdf8f41c10f273c4ebfdc.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<b>Header<\/b><\/p>\n<p>Fusha Header \u00ebsht\u00eb e nj\u00ebjt\u00eb p\u00ebr t\u00eb gjitha mesazhet PTP. Masa e tij \u00ebsht\u00eb 34 byte.<\/p>\n<p>Formati i fush\u00ebs Header:<\/p>\n<p><img decoding=\"async\" alt=\"L\u00ebshimi i Firefox 75\" src=\"\/wp-content\/uploads\/2020\/04\/e4500d7e9026d9d059b1dcd668a44e5f.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<b>messageType <\/b>\u2013 p\u00ebrmban tipin e mesazhit t\u00eb d\u00ebrguar, si p.sh. Sync, Delay_Req, PDelay_Req etj.<\/p>\n<p><b>messageLength<\/b> \u2013 p\u00ebrmban madh\u00ebsin\u00eb totale t\u00eb mesazhit PTP, p\u00ebrfshir\u00eb header, body dhe suffix (por duke p\u00ebrjashtuar byte t\u00eb mbushjes).<\/p>\n<p><b>domainNumber<\/b> \u2013 p\u00ebrcakton se cilit <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/sq\/domain\/\"   title=\"domen\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"1225\">domen<\/a> PTP i p\u00ebrket mesazhi.<\/p>\n<p><b>Domaini<\/b> \u2013 \u00ebsht\u00eb disa or\u00eb t\u00eb ndryshme t\u00eb mbledhura n\u00eb nj\u00eb grup t\u00eb logjiksh\u00ebm dhe t\u00eb sinkronizuara nga or\u00ebt udh\u00ebheq\u00ebse, por nuk jan\u00eb domosdoshm\u00ebrisht t\u00eb sinkronizuara me or\u00ebt q\u00eb i p\u00ebrkasin nj\u00eb domene tjet\u00ebr.<\/p>\n<p><b>flags<\/b> \u2013 kjo fush\u00eb p\u00ebrmban flamuj t\u00eb ndrysh\u00ebm p\u00ebr identifikimin e statusit t\u00eb mesazhit.<\/p>\n<p><b>correctionField<\/b> \u2013 p\u00ebrmban koh\u00ebn e vones\u00ebs n\u00eb nanosekonda. Koha e vones\u00ebs p\u00ebrfshin vones\u00ebn gjat\u00eb d\u00ebrgimit p\u00ebrmes or\u00ebve transparente, si dhe vones\u00ebn gjat\u00eb d\u00ebrgimit p\u00ebrmes kanalit kur p\u00ebrdoret m\u00ebnyra Peer-to-Peer.<\/p>\n<p><b>sourcePortIdentity<\/b> \u2013 kjo fush\u00eb p\u00ebrmban informacion mbi portin nga u d\u00ebrguar fillimisht ky mesazh.<\/p>\n<p><b>sequenceID<\/b> \u2013 p\u00ebrmban numrin identifikues p\u00ebr mesazhe individuale.<\/p>\n<p><b>controlField<\/b> \u2013 fush\u00eb artefakti =). Ka mbetur nga versioni i par\u00eb i standardit dhe p\u00ebrmban informacion mbi tipin e k\u00ebtij mesazhi. N\u00eb thelb, \u00ebsht\u00eb e nj\u00ebjt\u00eb me messageType, por me nj\u00eb num\u00ebr m\u00eb t\u00eb vog\u00ebl opsionesh.<\/p>\n<p><b>logMessageInterval<\/b> \u2013 kjo fush\u00eb p\u00ebrcaktohet nga tipi i mesazhit.<\/p>\n<p><b>Body<\/b><\/p>\n<p>Si\u00e7 u diskutua m\u00eb sip\u00ebr, ka disa tipe mesazhesh. K\u00ebto tipe jan\u00eb p\u00ebrshkruar m\u00eb posht\u00eb:<\/p>\n<p><b>Mesazhi Announce<\/b><br \/>\nMesazhi Announce p\u00ebrdoret p\u00ebr t\u00eb \"treguar\" or\u00ebve t\u00eb tjera brenda nj\u00eb domene p\u00ebr parametrat e tij. Ky mesazh lejon vendosjen e hierarkis\u00eb \"Or\u00ebt Udh\u00ebheq\u00ebse \u2013 Or\u00ebt N\u00ebnshtruese\".<br \/>\n<img decoding=\"async\" alt=\"L\u00ebshimi i Firefox 75\" src=\"\/wp-content\/uploads\/2020\/04\/054b35f0c74757d531205fa352b90f4e.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<b>Mesazhi Sync<\/b><br \/>\nMesazhi i sinkronizimit (Sync) d\u00ebrgohet nga or\u00ebt udh\u00ebheq\u00ebse dhe p\u00ebrmban koh\u00ebn e or\u00ebve udh\u00ebheq\u00ebse n\u00eb momentin kur mesazhi Sync u krijua. N\u00ebse or\u00ebt udh\u00ebheq\u00ebse jan\u00eb me dy nivele, at\u00ebher\u00eb shenja e koh\u00ebs n\u00eb mesazhin Sync do t\u00eb barazohet me 0, dhe shenja e koh\u00ebs aktuale do t\u00eb d\u00ebrgohet n\u00eb mesazhin e lidhur Follow_Up. Mesazhi Sync p\u00ebrdoret p\u00ebr t\u00eb dy mekanizmat e matjes s\u00eb vones\u00ebs.<\/p>\n<p>Mesazhi d\u00ebrgohet n\u00ebp\u00ebrmjet Multicast. Opsionalisht mund t\u00eb p\u00ebrdoret Unicast.<\/p>\n<p><img decoding=\"async\" alt=\"L\u00ebshimi i Firefox 75\" src=\"\/wp-content\/uploads\/2020\/04\/38268221aa5663ba021f225c9de01df9.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<b>Mesazhi Delay_Req<\/b><\/p>\n<p>Formati i mesazhit Delay_Req \u00ebsht\u00eb identik me mesazhin Sync. Or\u00ebt n\u00ebnshtruese d\u00ebrgojn\u00eb Delay_Req. Ai p\u00ebrmban koh\u00ebn e d\u00ebrgimit t\u00eb Delay_Req nga or\u00ebt n\u00ebnshtruese. Ky mesazh p\u00ebrdoret vet\u00ebm p\u00ebr mekanizmin e k\u00ebrkes\u00ebs-p\u00ebrgjigjes p\u00ebr vones\u00ebn.<\/p>\n<p>Mesazhi d\u00ebrgohet n\u00ebp\u00ebrmjet Multicast. Opsionalisht mund t\u00eb p\u00ebrdoret Unicast.<\/p>\n<p><img decoding=\"async\" alt=\"L\u00ebshimi i Firefox 75\" src=\"\/wp-content\/uploads\/2020\/04\/1e64f3902ff3364b968581ff6b6a6573.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<b>Mesazhi Follow_Up<\/b><\/p>\n<p>Mesazhi Follow_Up d\u00ebrgohet opsionalisht nga or\u00ebt udh\u00ebzuese dhe p\u00ebrmban koh\u00ebn e d\u00ebrgimit <b>mesazhet Sync<\/b> masterit. Mesazhi Follow_Up d\u00ebrgohet vet\u00ebm nga or\u00ebt udh\u00ebzuese me dy hapa.<\/p>\n<p>Mesazhi Follow_Up p\u00ebrdoret p\u00ebr t\u00eb dy mekanizmat e matjes s\u00eb vones\u00ebs.<\/p>\n<p>Mesazhi d\u00ebrgohet n\u00ebp\u00ebrmjet Multicast. Opsionalisht mund t\u00eb p\u00ebrdoret Unicast.<\/p>\n<p><img decoding=\"async\" alt=\"L\u00ebshimi i Firefox 75\" src=\"\/wp-content\/uploads\/2020\/04\/00917743466b8a331922d18e0928d3db.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<b>Mesazhi Delay_Resp<\/b><\/p>\n<p>Mesazhi Delay_Resp d\u00ebrgohet nga or\u00ebt udh\u00ebzuese. Ai p\u00ebrmban koh\u00ebn e pranimit t\u00eb Delay_Req nga or\u00ebt udh\u00ebzuese. Ky mesazh p\u00ebrdoret vet\u00ebm p\u00ebr mekanizmin e k\u00ebrkes\u00eb-p\u00ebrgjigje t\u00eb vones\u00ebs.<\/p>\n<p>Mesazhi d\u00ebrgohet n\u00ebp\u00ebrmjet Multicast. Opsionalisht mund t\u00eb p\u00ebrdoret Unicast.<\/p>\n<p><img decoding=\"async\" alt=\"L\u00ebshimi i Firefox 75\" src=\"\/wp-content\/uploads\/2020\/04\/b9d0bc41f94ceee560c0c593dd9e4afd.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<b>Mesazhi Pdelay_Req<\/b><\/p>\n<p>Mesazhi Pdelay_Req d\u00ebrgohet nga pajisja q\u00eb k\u00ebrkon vones\u00ebn. Ai p\u00ebrmban koh\u00ebn e d\u00ebrgimit t\u00eb mesazhit nga porta e k\u00ebsaj pajisjeje. Pdelay_Req p\u00ebrdoret vet\u00ebm p\u00ebr mekanizmin e matjes s\u00eb vones\u00ebs s\u00eb fqinjit.<\/p>\n<p><img decoding=\"async\" alt=\"L\u00ebshimi i Firefox 75\" src=\"\/wp-content\/uploads\/2020\/04\/7eef44a2655158758cdbcfbc25fc2e48.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<b>Mesazhi Pdelay_Resp<\/b><\/p>\n<p>Mesazhi Pdelay_Resp d\u00ebrgohet nga pajisja q\u00eb mori k\u00ebrkes\u00ebn p\u00ebr vones\u00eb. Ai p\u00ebrmban koh\u00ebn e pranimit t\u00eb mesazhit Pdelay_Req nga kjo pajisje. Mesazhi Pdelay_Resp p\u00ebrdoret vet\u00ebm p\u00ebr mekanizmin e matjes s\u00eb vones\u00ebs s\u00eb fqinjit.<\/p>\n<p><img decoding=\"async\" alt=\"L\u00ebshimi i Firefox 75\" src=\"\/wp-content\/uploads\/2020\/04\/6a3bb44c70fc09db3025df93c4d58a3f.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<b>Mesazhi Pdelay_Resp_Follow_Up<\/b><\/p>\n<p>Mesazhi Pdelay_Resp_Follow_Up d\u00ebrgohet opsionalisht nga pajisja q\u00eb mori k\u00ebrkes\u00ebn p\u00ebr vones\u00eb. Ai p\u00ebrmban koh\u00ebn e pranimit t\u00eb mesazhit Pdelay_Req nga kjo pajisje. Mesazhi Pdelay_Resp_Follow_Up d\u00ebrgohet vet\u00ebm nga or\u00ebt udh\u00ebzuese me dy hapa.<\/p>\n<p>Gjithashtu, ky mesazh mund t\u00eb p\u00ebrdoret p\u00ebr koh\u00ebn e ekzekutimit n\u00eb vend t\u00eb shenj\u00ebs s\u00eb koh\u00ebs. Koha e ekzekutimit \u00ebsht\u00eb koha nga momenti i pranimit t\u00eb Pdelay-Req deri n\u00eb d\u00ebrgimin e Pdelay_Resp.<\/p>\n<p>Pdelay_Resp_Follow_Up p\u00ebrdoren vet\u00ebm p\u00ebr mekanizmin e matjes s\u00eb vones\u00ebs s\u00eb fqinjit.<\/p>\n<p><img decoding=\"async\" alt=\"L\u00ebshimi i Firefox 75\" src=\"\/wp-content\/uploads\/2020\/04\/523043f7a880030474098fcdc1c5822d.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<b>Mesazhet menaxhuese (Mesazhi Management)<\/b><\/p>\n<p>Mesazhet menaxhuese PTP jan\u00eb t\u00eb nevojshme p\u00ebr t\u00eb transferuar informacionin midis nj\u00eb ose m\u00eb shum\u00eb or\u00ebve dhe nodit menaxhuese.<\/p>\n<p><img decoding=\"async\" alt=\"L\u00ebshimi i Firefox 75\" src=\"\/wp-content\/uploads\/2020\/04\/4388d9f4b6b12f3a2cdc764c20597499.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<b>Transferimi n\u00eb LV<\/b><\/p>\n<p>Mesazhi PTP mund t\u00eb transferohet n\u00eb dy nivele:<\/p>\n<ul>\n<li>Niveli rrjetit \u2013 si pjes\u00eb e t\u00eb dh\u00ebnave IP.<\/li>\n<li>Niveli kanalesh \u2013 si pjes\u00eb e kufijve Ethernet.<\/li>\n<\/ul>\n<p>\nTransferimi i mesazhit PTP p\u00ebrmes UDP p\u00ebrmes IP p\u00ebrmes Ethernet<\/p>\n<p><img decoding=\"async\" alt=\"L\u00ebshimi i Firefox 75\" src=\"\/wp-content\/uploads\/2020\/04\/361e008fc48396915e5e9c23cc52bd63.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nPTP p\u00ebrmes UDP p\u00ebrmes Ethernet<\/p>\n<p><img decoding=\"async\" alt=\"L\u00ebshimi i Firefox 75\" src=\"\/wp-content\/uploads\/2020\/04\/1862a5d27931a744e75e3c5bc63d7091.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<b>Profillet<\/b><\/p>\n<p>PTP ka nj\u00eb num\u00ebr t\u00eb lart\u00eb parametrash \"fleksib\u00ebl\" q\u00eb duhet t\u00eb konfigurohen. P\u00ebr shembull:<\/p>\n<ul>\n<li>Opsionet BMCA.<\/li>\n<li>Mekanizmi i matjes s\u00eb vones\u00ebs.<\/li>\n<li>Intervalet dhe vlerat fillestare t\u00eb t\u00eb gjitha parametrave t\u00eb konfiguruesh\u00ebm etj.<\/li>\n<\/ul>\n<p>\nDhe, megjithat\u00eb, megjith\u00ebse m\u00eb par\u00eb tham\u00eb se pajisjet PTPv2 jan\u00eb t\u00eb pajtueshme me nj\u00ebra-tjetr\u00ebn, n\u00eb realitet kjo nuk \u00ebsht\u00eb e v\u00ebrtet\u00eb. Pajisjet duhet t\u00eb ken\u00eb t\u00eb nj\u00ebjtat konfigurime p\u00ebr t\u00eb bashk\u00ebpunuar.<\/p>\n<p>Prandaj ekzistojn\u00eb ashtuquajturat profile PTPv2. Profilet jan\u00eb grupe t\u00eb konfigurimeve t\u00eb caktuara dhe kufizimeve t\u00eb protokollit, n\u00eb m\u00ebnyr\u00eb q\u00eb t\u00eb mund t\u00eb realizohet sinkronizimi i koh\u00ebs p\u00ebr nj\u00eb aplikacion t\u00eb caktuar.<\/p>\n<p>Standardi IEEE 1588v2 p\u00ebrshkruan vet\u00ebm nj\u00eb profil \u2013 \"Default Profile\". T\u00eb gjitha profilet e tjera jan\u00eb krijuar dhe p\u00ebrshkruar nga organizata dhe shoqata t\u00eb ndryshme.<\/p>\n<p>P\u00ebr shembull, profili p\u00ebr energjin\u00eb elektrike ose PTPv2 Power Profile \u00ebsht\u00eb krijuar nga Komiteti p\u00ebr Sistemet e Energjis\u00eb dhe Komiteti p\u00ebr N\u00ebnstacionin e Shoq\u00ebris\u00eb IEEE Power and Energy. Profili vet\u00eb mban emrin IEEE C37.238- 2011.<\/p>\n<p>Profili p\u00ebrshkruan se PTP mund t\u00eb transmetohet:<\/p>\n<ul>\n<li>Vet\u00ebm p\u00ebrmes rrjeteve L2 (dmth, Ethernet, HSR, PRP, jo IP).<\/li>\n<li>Mesazhet transmetohen vet\u00ebm me shp\u00ebrndarje Multicast.<\/li>\n<li>Si mekaniz\u00ebm p\u00ebr matjen e vones\u00ebs p\u00ebrdoret mekanizmi i matjes s\u00eb vones\u00ebs s\u00eb Peer.<\/li>\n<\/ul>\n<p>\nDomeni i paracaktuar \u00ebsht\u00eb 0, domeni i rekomanduar \u00ebsht\u00eb 93.<\/p>\n<p>N\u00eb filozofin\u00eb e krijimit t\u00eb C37.238- 2011 q\u00ebndron d\u00ebshira p\u00ebr t\u00eb reduktuar numrin e karakteristikave opsionale dhe p\u00ebr t\u00eb l\u00ebn\u00eb vet\u00ebm funksionet e nevojshme p\u00ebr nd\u00ebrveprimin e sigurt midis pajisjeve dhe p\u00ebr t\u00eb rritur stabilitetin e sistemit.<\/p>\n<p>Gjithashtu, \u00ebsht\u00eb p\u00ebrcaktuar frekuenca e transmetimit t\u00eb mesazheve:<\/p>\n<p><img decoding=\"async\" alt=\"L\u00ebshimi i Firefox 75\" src=\"\/wp-content\/uploads\/2020\/04\/117c81192ff2eb160652738bb9ecbb1d.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nN\u00eb thelb, p\u00ebr t\u00eb zgjedhur \u00ebsht\u00eb i disponuesh\u00ebm vet\u00ebm nj\u00eb parametr \u2013 lloji i or\u00ebve kryesore (me nj\u00eb nivel ose dy nivele).<\/p>\n<p>Sakt\u00ebsia duhet t\u00eb jet\u00eb jo m\u00eb shum\u00eb se 1 \u03bcs. Me fjal\u00eb t\u00eb tjera, n\u00eb nj\u00eb rrug\u00eb sinkronizimi mund t\u00eb ket\u00eb maksimumi 15 or\u00eb transparente ose tre or\u00eb kufitare.<\/p>\n<p><img decoding=\"async\" alt=\"L\u00ebshimi i Firefox 75\" src=\"\/wp-content\/uploads\/2020\/04\/d3f1cb822d01b8733eadb6cd75805b20.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>Burimi: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/phoenix_contact\/blog\/495920\/\">habr.com<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412\u0432\u0435\u0434\u0435\u043d\u0438\u0435 \u041a\u043e\u043d\u0446\u0435\u043f\u0446\u0438\u044f \u043f\u043e\u0441\u0442\u0440\u043e\u0435\u043d\u0438\u044f \u00ab\u0426\u0438\u0444\u0440\u043e\u0432\u043e\u0439 \u043f\u043e\u0434\u0441\u0442\u0430\u043d\u0446\u0438\u0438\u00bb \u0432 \u044d\u043b\u0435\u043a\u0442\u0440\u043e\u044d\u043d\u0435\u0440\u0433\u0435\u0442\u0438\u043a\u0435 \u0442\u0440\u0435\u0431\u0443\u0435\u0442 \u0441\u0438\u043d\u0445\u0440\u043e\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u0441 \u0442\u043e\u0447\u043d\u043e\u0441\u0442\u044c\u044e 1 \u043c\u043a\u0441. \u0414\u043b\u044f \u043f\u0440\u043e\u0432\u0435\u0434\u0435\u043d\u0438\u044f \u0444\u0438\u043d\u0430\u043d\u0441\u043e\u0432\u044b\u0445 \u0442\u0440\u0430\u043d\u0437\u0430\u043a\u0446\u0438\u0439 \u0442\u0430\u043a\u0436\u0435 \u0442\u0440\u0435\u0431\u0443\u0435\u0442\u0441\u044f \u0442\u043e\u0447\u043d\u043e\u0441\u0442\u044c \u0432 \u043c\u043a\u0441. \u0412 \u044d\u0442\u0438\u0445 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f\u0445 \u0442\u043e\u0447\u043d\u043e\u0441\u0442\u0438 \u0432\u0440\u0435\u043c\u0435\u043d\u0438 NTP \u0443\u0436\u0435 \u043d\u0435\u0434\u043e\u0441\u0442\u0430\u0442\u043e\u0447\u043d\u043e. \u041f\u0440\u043e\u0442\u043e\u043a\u043e\u043b \u0441\u0438\u043d\u0445\u0440\u043e\u043d\u0438\u0437\u0430\u0446\u0438\u0438 PTPv2, \u043e\u043f\u0438\u0441\u0430\u043d\u043d\u044b\u0439 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u043e\u043c IEEE 1588v2, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0434\u043e\u0431\u0438\u0442\u044c\u0441\u044f \u0442\u043e\u0447\u043d\u043e\u0441\u0442\u0438 \u0441\u0438\u043d\u0445\u0440\u043e\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u0432 \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u0434\u0435\u0441\u044f\u0442\u043a\u043e\u0432 \u043d\u0430\u043d\u043e\u0441\u0435\u043a\u0443\u043d\u0434. PTPv2 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u043e\u0442\u043f\u0440\u0430\u0432\u043b\u044f\u0442\u044c \u043f\u0430\u043a\u0435\u0442\u044b \u0441\u0438\u043d\u0445\u0440\u043e\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u0447\u0435\u0440\u0435\u0437 L2 \u0438 L3-\u0441\u0435\u0442\u0438. \u041e\u0441\u043d\u043e\u0432\u043d\u044b\u043c\u0438 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":77042,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-77041","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0412\u0432\u0435\u0434\u0435\u043d\u0438\u0435 \u041a\u043e\u043d\u0446\u0435\u043f\u0446\u0438\u044f \u043f\u043e\u0441\u0442\u0440\u043e\u0435\u043d\u0438\u044f \u00ab\u0426\u0438\u0444\u0440\u043e\u0432\u043e\u0439 \u043f\u043e\u0434\u0441\u0442\u0430\u043d\u0446\u0438\u0438\u00bb \u0432 \u044d\u043b\u0435\u043a\u0442\u0440\u043e\u044d\u043d\u0435\u0440\u0433\u0435\u0442\u0438\u043a\u0435 \u0442\u0440\u0435\u0431\u0443\u0435\u0442 \u0441\u0438\u043d\u0445\u0440\u043e\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u0441 \u0442\u043e\u0447\u043d\u043e\u0441\u0442\u044c\u044e 1 \u043c\u043a\u0441. \u0414\u043b\u044f \u043f\u0440\u043e\u0432\u0435\u0434\u0435\u043d\u0438\u044f \u0444\u0438\u043d\u0430\u043d\u0441\u043e\u0432\u044b\u0445 \u0442\u0440\u0430\u043d\u0437\u0430\u043a\u0446\u0438\u0439 \u0442\u0430\u043a\u0436\u0435 \u0442\u0440\u0435\u0431\u0443\u0435\u0442\u0441\u044f \u0442\u043e\u0447\u043d\u043e\u0441\u0442\u044c \u0432 \u043c\u043a\u0441.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/sq\/blog\/administrirovanie\/podrobnosti-realizaczii-protokola-sinhronizaczii-vremeni-ptpv2\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.2\" \/>\n\t\t<meta property=\"og:locale\" content=\"sq_AL\" \/>\n\t\t<meta property=\"og:site_name\" content=\"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"\ud83e\udd47\u041f\u043e\u0434\u0440\u043e\u0431\u043d\u043e\u0441\u0442\u0438 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430 \u0441\u0438\u043d\u0445\u0440\u043e\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u0432\u0440\u0435\u043c\u0435\u043d\u0438 PTPv2 | ProHoster\" \/>\n\t\t<meta property=\"og:description\" content=\"\u0412\u0432\u0435\u0434\u0435\u043d\u0438\u0435 \u041a\u043e\u043d\u0446\u0435\u043f\u0446\u0438\u044f \u043f\u043e\u0441\u0442\u0440\u043e\u0435\u043d\u0438\u044f \u00ab\u0426\u0438\u0444\u0440\u043e\u0432\u043e\u0439 \u043f\u043e\u0434\u0441\u0442\u0430\u043d\u0446\u0438\u0438\u00bb \u0432 \u044d\u043b\u0435\u043a\u0442\u0440\u043e\u044d\u043d\u0435\u0440\u0433\u0435\u0442\u0438\u043a\u0435 \u0442\u0440\u0435\u0431\u0443\u0435\u0442 \u0441\u0438\u043d\u0445\u0440\u043e\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u0441 \u0442\u043e\u0447\u043d\u043e\u0441\u0442\u044c\u044e 1 \u043c\u043a\u0441. \u0414\u043b\u044f \u043f\u0440\u043e\u0432\u0435\u0434\u0435\u043d\u0438\u044f \u0444\u0438\u043d\u0430\u043d\u0441\u043e\u0432\u044b\u0445 \u0442\u0440\u0430\u043d\u0437\u0430\u043a\u0446\u0438\u0439 \u0442\u0430\u043a\u0436\u0435 \u0442\u0440\u0435\u0431\u0443\u0435\u0442\u0441\u044f \u0442\u043e\u0447\u043d\u043e\u0441\u0442\u044c \u0432 \u043c\u043a\u0441.\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/prohoster.info\/sq\/blog\/administrirovanie\/podrobnosti-realizaczii-protokola-sinhronizaczii-vremeni-ptpv2\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:width\" content=\"350\" \/>\n\t\t<meta property=\"og:image:height\" content=\"350\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2020-04-07T11:42:46+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2020-04-07T11:42:46+00:00\" \/>\n\t\t<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"\ud83e\udd47Detajet e implementimit t\u00eb protokollit t\u00eb sinkronizimit t\u00eb koh\u00ebs PTPv2 | ProHoster","description":"Hyrje Koncepti i nd\u00ebrtimit t\u00eb \"N\u00ebnstacionit Digjital\" n\u00eb energjin\u00eb elektrike k\u00ebrkon sinkronizim me sakt\u00ebsi 1 \u03bcs. P\u00ebr realizimin e transaksioneve financiare gjithashtu k\u00ebrkohet sakt\u00ebsi n\u00eb \u03bcs.","canonical_url":"https:\/\/prohoster.info\/sq\/blog\/administrirovanie\/podrobnosti-realizaczii-protokola-sinhronizaczii-vremeni-ptpv2","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"sq_AL","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u041f\u043e\u0434\u0440\u043e\u0431\u043d\u043e\u0441\u0442\u0438 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430 \u0441\u0438\u043d\u0445\u0440\u043e\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u0432\u0440\u0435\u043c\u0435\u043d\u0438 PTPv2 | ProHoster","og:description":"\u0412\u0432\u0435\u0434\u0435\u043d\u0438\u0435 \u041a\u043e\u043d\u0446\u0435\u043f\u0446\u0438\u044f \u043f\u043e\u0441\u0442\u0440\u043e\u0435\u043d\u0438\u044f \u00ab\u0426\u0438\u0444\u0440\u043e\u0432\u043e\u0439 \u043f\u043e\u0434\u0441\u0442\u0430\u043d\u0446\u0438\u0438\u00bb \u0432 \u044d\u043b\u0435\u043a\u0442\u0440\u043e\u044d\u043d\u0435\u0440\u0433\u0435\u0442\u0438\u043a\u0435 \u0442\u0440\u0435\u0431\u0443\u0435\u0442 \u0441\u0438\u043d\u0445\u0440\u043e\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u0441 \u0442\u043e\u0447\u043d\u043e\u0441\u0442\u044c\u044e 1 \u043c\u043a\u0441. \u0414\u043b\u044f \u043f\u0440\u043e\u0432\u0435\u0434\u0435\u043d\u0438\u044f \u0444\u0438\u043d\u0430\u043d\u0441\u043e\u0432\u044b\u0445 \u0442\u0440\u0430\u043d\u0437\u0430\u043a\u0446\u0438\u0439 \u0442\u0430\u043a\u0436\u0435 \u0442\u0440\u0435\u0431\u0443\u0435\u0442\u0441\u044f \u0442\u043e\u0447\u043d\u043e\u0441\u0442\u044c \u0432 \u043c\u043a\u0441.","og:url":"https:\/\/prohoster.info\/sq\/blog\/administrirovanie\/podrobnosti-realizaczii-protokola-sinhronizaczii-vremeni-ptpv2","og:image":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:secure_url":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:width":350,"og:image:height":350,"article:published_time":"2020-04-07T11:42:46+00:00","article:modified_time":"2020-04-07T11:42:46+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":{"post_id":"77041","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":null,"schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"seo_analyzer_scan_date":null,"breadcrumb_settings":null,"limit_modified_date":false,"reviewed_by":null,"ai":null,"created":"2021-02-28 17:25:29","updated":"2026-02-09 15:52:39","focus_keyword":null,"additional_keywords":null,"truseo_locale":null},"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/posts\/77041","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/comments?post=77041"}],"version-history":[{"count":1,"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/posts\/77041\/revisions"}],"predecessor-version":[{"id":158469,"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/posts\/77041\/revisions\/158469"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/media\/77042"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/media?parent=77041"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/categories?post=77041"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/tags?post=77041"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}