{"id":86749,"date":"2020-06-29T07:42:38","date_gmt":"2020-06-29T05:42:38","guid":{"rendered":"https:\/\/prohoster.info\/blog\/administrirovanie\/kak-arhitektura-hicampus-uproshhaet-organizacziyu-kampusnyh-setevyh-reshenij"},"modified":"2020-06-29T07:42:38","modified_gmt":"2020-06-29T05:42:38","slug":"kak-arhitektura-hicampus-uproshhaet-organizacziyu-kampusnyh-setevyh-reshenij","status":"publish","type":"post","link":"https:\/\/prohoster.info\/ro\/blog\/administrirovanie\/kak-arhitektura-hicampus-uproshhaet-organizacziyu-kampusnyh-setevyh-reshenij","title":{"rendered":"Cum arhitectura HiCampus simplific\u0103 organizarea solu\u021biilor de re\u021bea pentru campusuri","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>V\u0103 prezent\u0103m un rezumat scurt al noii arhitecturi Huawei - HiCampus, care se bazeaz\u0103 pe acces complet wireless pentru utilizatori, IP + POL \u0219i o platform\u0103 inteligent\u0103 deasupra infrastructurii fizice.<\/p>\n<p><img decoding=\"async\" alt=\"Cum arhitectura HiCampus simplific\u0103 organizarea solu\u021biilor de re\u021bea pentru campusuri\" src=\"\/wp-content\/uploads\/2020\/06\/1433cccc0d8b6bf6a2d62fa843850ad3.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><br \/>\nLa \u00eenceputul anului 2020, am prezentat dou\u0103 noi arhitecturi care au fost folosite anterior exclusiv \u00een China. Despre HiDC, care este destinat \u00een principal implement\u0103rii infrastructurii de centre de date, a fost publicat un articol pe Habr \u00een prim\u0103var\u0103. <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/huawei\/blog\/497784\/\">post<\/a><\/noindex>Acum \u00eens\u0103, s\u0103 analiz\u0103m \u00een linii mari HiCampus - o arhitectur\u0103 de profil mai larg.<\/p>\n<h2>De ce este necesar HiCampus<\/h2>\n<p>\n<img decoding=\"async\" alt=\"Cum arhitectura HiCampus simplific\u0103 organizarea solu\u021biilor de re\u021bea pentru campusuri\" src=\"\/wp-content\/uploads\/2020\/06\/8cd7bab8cc00e3e7c5714a9f589d36c8.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nValul de evenimente cauzate de pandemie \u0219i de confruntarea cu aceasta a determinat, vrem-nu vrem, pe mul\u021bi s\u0103 ajung\u0103 mai repede la \u00een\u021belegerea c\u0103 campusurile sunt fundamentul unei lumi inteligente noi. Sub termenul general 'campus' sunt reunite nu doar zonele de birouri, ci \u0219i institutele de cercetare, laboratoarele, universit\u0103\u021bile \u00eempreun\u0103 cu campusurile studen\u021be\u0219ti \u0219i nu numai.<\/p>\n<p>Numai \u00een Rusia, Huawei avea, la mijlocul anului 2020, peste o mie de dezvoltatori. Mai mult, \u00een dou\u0103-trei ani, num\u0103rul acestora va fi aproximativ de cinci ori mai mare. Iar ace\u0219tia sunt concentra\u021bi \u00een campusuri, unde trebuie s\u0103 le asigur\u0103m un serviciu f\u0103r\u0103 cusur la cererea lor, f\u0103r\u0103 a-i face s\u0103 a\u0219tepte.<\/p>\n<p>De fapt, pentru utilizatorul final, HiCampus reprezint\u0103 \u00een primul r\u00e2nd un mediu de lucru mai convenabil dec\u00e2t \u00eenainte. Pentru afaceri, ajut\u0103 la cre\u0219terea eficien\u021bei produc\u021biei, aduc\u00e2nd, \u00een plus, o \u00eentre\u021binere mai u\u0219oar\u0103.<\/p>\n<p><img decoding=\"async\" alt=\"Cum arhitectura HiCampus simplific\u0103 organizarea solu\u021biilor de re\u021bea pentru campusuri\" src=\"\/wp-content\/uploads\/2020\/06\/be5dd081763477c1e586f1783f9a66b9.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n\u00centre timp, pe campusuri num\u0103rul utilizatorilor cre\u0219te, iar ace\u0219tia au din ce \u00een ce mai multe dispozitive. E bine c\u0103 nu fiecare jachet\u0103 este echipat\u0103 cu modul Wi-Fi: \u201e\u00eembr\u0103c\u0103mintea inteligent\u0103\u201d este \u00eenc\u0103 o noutate, dar nu este exclus ca \u00een cur\u00e2nd s\u0103 devin\u0103 ceva obi\u0219nuit. Ca urmare, f\u0103r\u0103 transform\u0103ri tehnologice radicale, calitatea serviciului din re\u021bea scade. Nimic surprinz\u0103tor: consumul de trafic cre\u0219te, se intensific\u0103 consumul de energie electric\u0103, iar noile servicii necesit\u0103 din ce \u00een ce mai multe resurse de diverse tipuri. \u00centre timp, proprietarii de afaceri \u0219i consiliile de administra\u021bie, adesea inspira\u021bi de ritmul transform\u0103rii digitale din jur, inclusiv de cei de la concuren\u021b\u0103, caut\u0103 noi oportunit\u0103\u021bi - rapid \u0219i ieftin (\u201eCe, noi \u00een birou nu avem supraveghere video cu recunoa\u0219tere facial\u0103? De ce?!\u201d). \u00cen plus, de la infrastructura de re\u021bea se a\u0219teapt\u0103 ast\u0103zi un efect sinergic: nu mai este la mod\u0103 s\u0103 dezvol\u021bi o re\u021bea doar pentru a avea o re\u021bea, \u0219i nici nu este \u00een spiritul vremurilor.<\/p>\n<p><img decoding=\"async\" alt=\"Cum arhitectura HiCampus simplific\u0103 organizarea solu\u021biilor de re\u021bea pentru campusuri\" src=\"\/wp-content\/uploads\/2020\/06\/d8ca339b6f64458cd96637eeac7f35b1.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nAceste probleme sunt rezolvate de HiCampus. Aceasta din urm\u0103 include trei straturi, fiecare aduc\u00e2nd propriile avantaje arhitecturii. S\u0103 le enumer\u0103m \u00een ordinea de la cel inferior la cel superior:<\/p>\n<ul>\n<li>complet wireless;<\/li>\n<li>complet optic;<\/li>\n<li>inteligent.<\/li>\n<\/ul>\n<p><\/p>\n<h2>Stratul complet wireless<\/h2>\n<p>\nBaza stratului complet wireless este solu\u021bia de produs Huawei bazat\u0103 pe Wi-Fi de genera\u021bia a \u0219asea. Comparativ cu Wi-Fi 5, aceasta permite <b>de patru ori<\/b> s\u0103 creasc\u0103 num\u0103rul utilizatorilor conecta\u021bi simultan \u0219i s\u0103 elibereze \u201elocuitorii\u201d campusului de necesitatea de a se conecta la re\u021bea \u201eprin cablu\u201d.<\/p>\n<p><img decoding=\"async\" alt=\"Cum arhitectura HiCampus simplific\u0103 organizarea solu\u021biilor de re\u021bea pentru campusuri\" src=\"\/wp-content\/uploads\/2020\/06\/6d97b6cfead53eebed274c73a690b0e7.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nNoua gam\u0103 de produse AirEngine, pe care se bazeaz\u0103 mediu wireless HiCampus, include puncte de acces (AP) pentru cele mai diverse scenarii: fie pentru utilizare industrial\u0103 cu IoT, fie pentru utilizare \u00een exterior. Designul, dimensiunile \u0219i metodele de montare a dispozitivelor permit, de asemenea, toate variantele imaginabile de utilizare.<\/p>\n<p>Inova\u021biile din tehnologia de transmisie, cum ar fi num\u0103rul crescut de antene pentru receptie (acum sunt 16), se datoreaz\u0103 centrului nostru de dezvoltare din Tel Aviv: colegii no\u0219tri de acolo au adus \u00een Wi-Fi 6 multe dintre experien\u021bele anterioare \u00een \u00eembun\u0103t\u0103\u021birea re\u021belelor WiMAX \u0219i 5G, reu\u0219ind astfel s\u0103 optimizeze semnificativ laten\u021ba \u0219i capacitatea de transmisie a punctelor AirEngine. Drept urmare, am reu\u0219it s\u0103 garant\u0103m o capacitate de transmisie de cel pu\u021bin limit\u0103 specificat\u0103 fiec\u0103rui client: expresia \u201e100 Mbit\/s peste tot\u201d \u00een cazul nostru nu este un slogan f\u0103r\u0103 fond.<\/p>\n<p><img decoding=\"async\" alt=\"Cum arhitectura HiCampus simplific\u0103 organizarea solu\u021biilor de re\u021bea pentru campusuri\" src=\"\/wp-content\/uploads\/2020\/06\/4b372a88d70306b2bb872af4138925d2.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nCum a fost posibil? Aici ne vom referi pe scurt la teorie. Conform teoremei lui Shannon, capacitatea de transmisie a unui punct de acces este definit\u0103 de (a) num\u0103rul de fluxuri spa\u021biale, (b) l\u0103\u021bimea benzii de frecven\u021b\u0103 \u0219i (c) raportul \u201esemnal - zgomot\u201d. Modific\u0103rile aduse de Huawei, comparativ cu produsele anterioare, au fost realizate \u00een toate cele trei puncte. Astfel, TD-urile noastre sunt capabile s\u0103 formeze <b>p\u00e2n\u0103 la 12 fluxuri spa\u021biale<\/b> \u2014 cu 50% mai mult dec\u00e2t modelele de v\u00e2rf ale altor furnizori. \u00cen plus, acestea pot sus\u021bine opt fluxuri spa\u021biale cu o l\u0103\u021bime de 160 MHz, \u00een compara\u021bie cu cel mult opt fluxuri de 80 MHz oferite de concuren\u021bi. \u00cen cele din urm\u0103, datorit\u0103 tehnologiei Smart Antenna, punctele noastre de acces demonstreaz\u0103 o toleran\u021b\u0103 semnificativ mai mare la interferen\u021b\u0103 \u0219i un nivel RSSI mai ridicat la recep\u021bia clientului.<\/p>\n<p>La sf\u00e2r\u0219itul anului 2019, colegii no\u0219tri din Tel Aviv au primit cea mai \u00eenalt\u0103 distinc\u021bie din cadrul companiei tocmai pentru faptul c\u0103 au reu\u0219it s\u0103 ob\u021bin\u0103 pe un cip cu suport pentru Wi-Fi 802.11ax un raport \u201esemnal - zgomot\u201d (SNR) superior fa\u021b\u0103 de un alt produc\u0103tor american cunoscut. Rezultatul a fost realizat at\u00e2t prin utilizarea de materiale noi, c\u00e2t \u0219i printr-o baz\u0103 algoritmic\u0103 mai avansat\u0103 integrat\u0103 \u00een procesor. Din aceast\u0103 cauz\u0103, survin \u0219i alte aspecte avantajoase ale Wi-Fi 6 \u201e\u00een interpretarea Huawei\u201d. \u00cen special, a fost implementat mecanismul multi-user MIMO, gra\u021bie c\u0103ruia unui utilizator pot fi alocate p\u00e2n\u0103 la opt fluxuri spa\u021biale; MU-MIMO este conceput pentru a utiliza la transmiterea informa\u021biilor clien\u021bilor \u00eentreaga resurs\u0103 de anten\u0103 a punctului de acces. Desigur, cele opt fluxuri nu vor fi \u00een \u00eentregime dedicate unui smartphone, dar pentru un laptop de ultim\u0103 genera\u021bie sau un complex VR destinat industriei \u2014 este absolut fezabil.<\/p>\n<p><img decoding=\"async\" alt=\"Cum arhitectura HiCampus simplific\u0103 organizarea solu\u021biilor de re\u021bea pentru campusuri\" src=\"\/wp-content\/uploads\/2020\/06\/0e0a7143976dddea5198d35e368fb77f.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nAstfel, cu 16 fluxuri spatiale la nivel fizic, este posibil s\u0103 se ating\u0103 o l\u0103\u021bime de band\u0103 de 10 Gbps pe punct. La nivelul traficului de aplica\u021bie, eficien\u021ba mediului de transmitere a datelor va fi de 78\u201380%, sau aproximativ 8 Gbps. S\u0103 specific\u0103m, aceasta este valabil\u0103 \u00een cazul utiliz\u0103rii canalelor de 160 MHz. Desigur, Wi-Fi 6 este conceput \u00een primul r\u00e2nd pentru conexiuni masive, iar dac\u0103 sunt zeci de acestea, fiecare \u00een parte nu va avea o vitez\u0103 at\u00e2t de mare.<\/p>\n<p><img decoding=\"async\" alt=\"Cum arhitectura HiCampus simplific\u0103 organizarea solu\u021biilor de re\u021bea pentru campusuri\" src=\"\/wp-content\/uploads\/2020\/06\/ae161fe6a23550934ddb7b761cf798b1.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n\u00cen condi\u021bii de laborator, am efectuat de mai multe ori teste folosind utilitarul de \u00eenc\u0103rcare iPerf \u2014 \u0219i am constat c\u0103 dou\u0103 puncte hi-end Huawei din seria AirEngine, folosind opt fluxuri spa\u021biale cu o l\u0103\u021bime de 160 MHz fiecare, <b>schimb\u0103 date la nivel de aplica\u021bii cu o vitez\u0103 de aproximativ 8,37 Gbps.<\/b> Trebuie s\u0103 facem o remarc\u0103: da, firmware-ul lor este special \u0219i conceput pentru a dezv\u0103lui poten\u021bialul echipamentului \u00een timpul testelor, dar faptul r\u0103m\u00e2ne un fapt.<\/p>\n<blockquote><p>Apropo, la Huawei \u00een Rusia func\u021bioneaz\u0103 un Joint Validation Lab cu un parc extins de echipamente Wi-Fi. Anterior, utilizam echipamente cu cipuri M.2 de la al\u021bi produc\u0103tori, dar acum demonstr\u0103m performan\u021ba Wi-Fi 6 pe telefoanele fabricate de noi, de exemplu, P40.<\/p><\/blockquote>\n<p> <img decoding=\"async\" alt=\"Cum arhitectura HiCampus simplific\u0103 organizarea solu\u021biilor de re\u021bea pentru campusuri\" src=\"\/wp-content\/uploads\/2020\/06\/dc5d56c924c4027aa5b45ee13d64a2cd.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<img decoding=\"async\" alt=\"Cum arhitectura HiCampus simplific\u0103 organizarea solu\u021biilor de re\u021bea pentru campusuri\" src=\"\/wp-content\/uploads\/2020\/06\/5786259b261253761ebd9ef2b886da3d.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<img decoding=\"async\" alt=\"Cum arhitectura HiCampus simplific\u0103 organizarea solu\u021biilor de re\u021bea pentru campusuri\" src=\"\/wp-content\/uploads\/2020\/06\/5aafe1fdbcc6ced2afbf646224f63f64.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n\u00cen ilustra\u021biile de mai sus se observ\u0103 c\u0103 \u00eentr-un singur bloc constructiv, din care exist\u0103 patru \u00een punctul de acces, se afl\u0103 c\u00e2te patru elemente \u2014 \u00een total 16 antene de recep\u021bie \u0219i transmisie, care func\u021bioneaz\u0103 \u00een mod dinamic. \u00cen ceea ce prive\u0219te beamforming-ul, datorit\u0103 utiliz\u0103rii unui num\u0103r mai mare de antene pe element se reu\u0219e\u0219te formarea unui fascicul mai \u00eengust \u0219i mai lung \u0219i s\u0103 'c\u0103l\u0103reasc\u0103' mai sigur clientul, oferindu-i o experien\u021b\u0103 \u00eembun\u0103t\u0103\u021bit\u0103 a utilizatorului.<\/p>\n<p>Datorit\u0103 utiliz\u0103rii materialelor brevetate suplimentare se ob\u021bin indicatori electrice ridicate ale antenei \u00een sine. De aici \u0219i un procent mai mic de pierderi pe semnal \u0219i parametrii mult mai avantajo\u0219i pentru reflexia semnalului.<\/p>\n<p><img decoding=\"async\" alt=\"Cum arhitectura HiCampus simplific\u0103 organizarea solu\u021biilor de re\u021bea pentru campusuri\" src=\"\/wp-content\/uploads\/2020\/06\/1f7b51b4cb127e96099d227af11f4183.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<img decoding=\"async\" alt=\"Cum arhitectura HiCampus simplific\u0103 organizarea solu\u021biilor de re\u021bea pentru campusuri\" src=\"\/wp-content\/uploads\/2020\/06\/9d574b5b779c18a2a568443241f04c18.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n\u00cen laboratoarele noastre, am realizat \u00een mod repetat teste comparative privind puterea semnalului punctelor de acces la aceea\u0219i distan\u021b\u0103 de acoperire. \u00cen ilustra\u021bia de mai sus, se pot observa dou\u0103 dispozitive de testare (TD) montate pe trepied, ambele suport\u00e2nd Wi-Fi 6: unul (ro\u0219u) cu antene inteligente de la Huawei \u0219i altul f\u0103r\u0103. Distan\u021ba de la punct la telefon este de 13 m \u00een ambele cazuri. \u00cen condi\u021bii egale \u2013 aceea\u0219i band\u0103 de frecven\u021b\u0103 de 5 GHz, l\u0103\u021bime de band\u0103 a canalului de 20 MHz, etc. \u2013 diferen\u021ba medie \u00een puterea semnalului \u00eentre dispozitive este de 3 dBm, iar avantajul este de partea punctului de acces Huawei.<\/p>\n<p><img decoding=\"async\" alt=\"Cum arhitectura HiCampus simplific\u0103 organizarea solu\u021biilor de re\u021bea pentru campusuri\" src=\"\/wp-content\/uploads\/2020\/06\/c2ad6f21ff95c762c3ecd83307d1c524.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<img decoding=\"async\" alt=\"Cum arhitectura HiCampus simplific\u0103 organizarea solu\u021biilor de re\u021bea pentru campusuri\" src=\"\/wp-content\/uploads\/2020\/06\/a6b951a64fb28f8cdf15bc771ad13dab.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<img decoding=\"async\" alt=\"Cum arhitectura HiCampus simplific\u0103 organizarea solu\u021biilor de re\u021bea pentru campusuri\" src=\"\/wp-content\/uploads\/2020\/06\/33e3d49660e33fa2f117c27b63307ada.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n\u00cen al doilea test, sunt utilizate acelea\u0219i puncte Wi-Fi 6, aceea\u0219i band\u0103 de 20 MHz, acela\u0219i segment de 5 GHz. La o distan\u021b\u0103 de 13 m, nu se observ\u0103 nicio diferen\u021b\u0103 semnificativ\u0103, \u00eens\u0103, odat\u0103 ce dubl\u0103m distan\u021ba, indicatorii difer\u0103 aproape cu un ordin de magnitudine (7 dBm) \u2013 \u00een favoarea AirEngine-ului nostru.<\/p>\n<p>Folosind tehnologia 5G \u2013 DynamicTurbo, care prioritizeaz\u0103 traficul utilizatorilor VIP \u00een re\u021beaua wireless, ob\u021binem un serviciu care anterior nu exista \u00een mediul Wi-Fi (de exemplu, un top-manager nu va mai \u00eentreba constant de ce are o conexiune slab\u0103). P\u00e2n\u0103 acum, aceste tehnologii erau aproape exclusiv folosite \u00een re\u021belele prin cablu \u2013 fie TDM, fie IP Hard Pipe, cu tuneluri MPLS dedicate.<\/p>\n<p>De asemenea, Wi-Fi 6 implementeaz\u0103 conceptul de roaming seamless. Totul se datoreaz\u0103 faptului c\u0103 mecanismul de migrare \u00eentre puncte a fost modificat: utilizatorul se conecteaz\u0103 mai \u00eent\u00e2i la noul punct \u0219i abia apoi se deconecteaz\u0103 de la cel vechi. Aceast\u0103 inova\u021bie are un impact pozitiv asupra func\u021bion\u0103rii \u00een scenarii precum telefonia prin Wi-Fi, telemedicina \u0219i automotive, \u0219i anume \u00een activitatea robo\u021bilor autonomi, a dronelor etc., pentru care men\u021binerea unei conexiuni continue cu centrul de control este critic\u0103.<\/p>\n<p><center><div class=\"youtube-placeholder\" data-id=\"nuxOv_qLkEY\" onclick=\"loadVideo(this)\">\r\n        <img decoding=\"async\" src=\"https:\/\/img.youtube.com\/vi\/nuxOv_qLkEY\/hqdefault.jpg\" alt=\"Reda\u021bi video\" loading=\"lazy\" width=\"480\" height=\"360\" style=\"width:100%;height:auto;\">\r\n        <div class=\"play-button\"><\/div>\r\n    <\/div><\/center><br \/>\n\u00cen videoclipul miniatur\u0103 de mai sus, este reflectat un caz modern de utilizare a Wi-Fi 6 de la Huawei, \u00eentr-o form\u0103 de joc. C\u00e2inele din combina\u021bia ro\u0219ie are ochelari VR \u201econecta\u021bi\u201d la punctul AirEngine, care se comut\u0103 rapid \u0219i ofer\u0103 \u00eent\u00e2rzieri minime \u00een transmiterea informa\u021biei. Altui c\u00e2ine i-a fost mai pu\u021bin noroc: ochelarii similari, care \u00eei sunt a\u0219eza\u021bi pe cap, sunt conecta\u021bi la un alt furnizor (din motive etice, desigur, nu-l vom numi), iar de\u0219i \u00eentreruperile \u0219i lag-urile nu sunt fatale, ele \u00eempiedic\u0103 suprapunerea mediului virtual asupra spa\u021biului din jur \u00een timp real.<\/p>\n<p><img decoding=\"async\" alt=\"Cum arhitectura HiCampus simplific\u0103 organizarea solu\u021biilor de re\u021bea pentru campusuri\" src=\"\/wp-content\/uploads\/2020\/06\/c39794ca352ed03a2b4d1cb94f85a1dd.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n\u00cen interiorul Chinei, arhitectura este utilizat\u0103 din plin. Aproape 600 de campusuri au fost construite folosind solu\u021biile sale, dintre care o bun\u0103 parte respect\u0103 principii HiCampus de la \u00eenceput p\u00e2n\u0103 la cap\u0103t.<\/p>\n<p>A\u0219a cum arat\u0103 practica, utilizarea HiCampus este cea mai eficient\u0103 pentru colaborarea \u00een spa\u021biile de birou, pe \u201efabricile inteligente\u201d cu robo\u021bii lor autonomi mobili - AGV, precum \u0219i \u00een locurile aglomerate. De exemplu, la Aeroportul Interna\u021bional din Beijing, unde este desf\u0103\u0219urat\u0103 o re\u021bea Wi-Fi 6, care ofer\u0103 servicii f\u0103r\u0103 fir pentru pasageri pe \u00eentreaga teritori; printre altele, datorit\u0103 infrastructurii campusului, aeroportul a reu\u0219it s\u0103 reduc\u0103 timpul de a\u0219teptare la coad\u0103 cu 15% \u0219i s\u0103 economiseasc\u0103 20% la personal.<\/p>\n<h2>Sec\u021biune complet optic\u0103<\/h2>\n<p>\n<img decoding=\"async\" alt=\"Cum arhitectura HiCampus simplific\u0103 organizarea solu\u021biilor de re\u021bea pentru campusuri\" src=\"\/wp-content\/uploads\/2020\/06\/30b7ca4050b60d09c1be123a39b1746c.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<img decoding=\"async\" alt=\"Cum arhitectura HiCampus simplific\u0103 organizarea solu\u021biilor de re\u021bea pentru campusuri\" src=\"\/wp-content\/uploads\/2020\/06\/d6c1b0cd4eaee53b299a23bd0ba14c73.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nTot mai des construim campusuri dup\u0103 un nou model - <b>IP + POL<\/b>, f\u0103r\u0103 a ne l\u0103sa influen\u021ba dorin\u021belor schimb\u0103toare ale modei tehnologice. Abordarea dominat\u0103 anterior, \u00een care, desf\u0103\u0219ur\u00e2nd infrastructura de re\u021bea \u00een cl\u0103dire, tr\u0103geam fibra optic p\u00e2n\u0103 la etaj, iar apoi f\u0103ceam distribu\u021bia cu cupru, impunea limit\u0103ri severe asupra arhitecturii. Este suficient s\u0103 men\u021bion\u0103m c\u0103, \u00een cazul unui upgrade, era necesar s\u0103 schimb\u0103m practic \u00eentreaga mediu de la nivelul etajului. Materialul \u00een sine, cuprul, nu este nici el ideal: at\u00e2t din punct de vedere al capacit\u0103\u021bii de transmitere, c\u00e2t \u0219i din punct de vedere al ciclului de via\u021b\u0103, \u0219i din perspectiva dezvolt\u0103rii ulterioare a mediului. Desigur, cuprul era bine cunoscut \u0219i permitea crearea rapid\u0103 \u0219i ieftin\u0103 a solu\u021biilor de re\u021bea simple. Totu\u0219i, \u00een ceea ce prive\u0219te costul total de proprietate \u0219i poten\u021bialul de upgrade al re\u021belei, cuprul pierde \u00een fa\u021ba fibrei optice \u00een 2020.<\/p>\n<p>Superior optical technology is particularly evident when long-term infrastructure life cycles must be considered (and expenses evaluated over time), as well as in cases anticipating significant evolution. For instance, environments requiring continuous operation of 4K cameras and 8K displays or other high-resolution digital signage demand a fully optical network \u2014 utilizing optical switches. Previously, the limited number of endpoint devices \u2014 optical network units (ONU) \u2014 was a major factor hindering such campus modeling. Today, however, not only user machines are assumed to connect through terminals to the optical network. A receiver-transmitter that works with the POL network is inserted into the same Wi-Fi access point, providing wireless service through a high-speed optical network.<\/p>\n<p>Thus, implementing Wi-Fi 6 can be achieved with minimal investment: establish an IP + POL network, connect Wi-Fi to it, and smoothly increase performance. The only requirement for Wi-Fi access points is local power supply. Otherwise, nothing prevents us from scaling the network to 10 or 50 Gbps.<\/p>\n<p><img decoding=\"async\" alt=\"Cum arhitectura HiCampus simplific\u0103 organizarea solu\u021biilor de re\u021bea pentru campusuri\" src=\"\/wp-content\/uploads\/2020\/06\/05cd0a5b49fb1969b667d0bea362ad0d.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nDeploying fully optical networks is practical in a variety of scenarios. For example, they are hard to replace in old buildings with long hallways. If you have never rebuilt a structure in the center of Bucharest, consider yourself fortunate: usually, all cable pathways in such buildings are blocked, and organizing a local network intelligently often requires starting from scratch. In the case of a POL solution, it's possible to lay optical cables, distribute them with splitters, and create a modern network.<\/p>\n<p>The same applies to educational institutions with older architecture, hotel complexes, and large buildings, including airports.<\/p>\n<p><img decoding=\"async\" alt=\"Cum arhitectura HiCampus simplific\u0103 organizarea solu\u021biilor de re\u021bea pentru campusuri\" src=\"\/wp-content\/uploads\/2020\/06\/199b07df2bdd5fb7970dfa8351d8ea02.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<img decoding=\"async\" alt=\"Cum arhitectura HiCampus simplific\u0103 organizarea solu\u021biilor de re\u021bea pentru campusuri\" src=\"\/wp-content\/uploads\/2020\/06\/17386d56fe738e23653a3d8ee9a47560.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<img decoding=\"async\" alt=\"Cum arhitectura HiCampus simplific\u0103 organizarea solu\u021biilor de re\u021bea pentru campusuri\" src=\"\/wp-content\/uploads\/2020\/06\/44b966dbd0ac5f954d3ade82db6f79f9.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<img decoding=\"async\" alt=\"Cum arhitectura HiCampus simplific\u0103 organizarea solu\u021biilor de re\u021bea pentru campusuri\" src=\"\/wp-content\/uploads\/2020\/06\/c73bf2e9319bccb09095acda9f74913b.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nGuided by the principle of practice what you preach, in organizing network environments based on the IP LAN + POL model, we started with ourselves. The vast campus of Huawei by Lake Sunshan, completed a year and a half ago and with a total area of over 1.4 million m\u00b2, is one of the first case studies for implementing HiCampus architecture; interestingly, its buildings mimic famous European architectural landmarks. Inside, everything is as modern as possible.<\/p>\n<p>From the central building, optical lines extend to neighboring 'subordinate' campuses, which, in turn, are distributed across floors, etc. Wi-Fi 6 access points covering the entire area are therefore connected via optical fiber.<\/p>\n<p>The campus features a wide range of services that require stable high-speed connections, including video surveillance using high-resolution cameras. They serve not only for video monitoring. At the campus entrance, the digital platform <noindex><a rel=\"nofollow\" href=\"https:\/\/e.huawei.com\/ru\/solutions\/industries\/smart-campus\">SmartCampus<\/a><\/noindex> uses these cameras to identify employees by face, after which they scan their RFID badge at the access terminal, and only after successful authentication through two criteria will doors open and access to the wireless network and digital services of the campus be granted; sneaking in with someone else's badge is not possible. Furthermore, throughout the complex, VDI services (cloud desktop), a conferencing system, and many other services tied to Wi-Fi 6 with optical connections are available.<\/p>\n<p>Using fully networked optical solutions, among other things, saves a lot of space and requires significantly fewer people for maintenance. Thus, according to our statistics, infrastructure investments are reduced by an average of 40% thanks to the optical layer.<\/p>\n<h2>Completely intelligent slice<\/h2>\n<p>\n<img decoding=\"async\" alt=\"Cum arhitectura HiCampus simplific\u0103 organizarea solu\u021biilor de re\u021bea pentru campusuri\" src=\"\/wp-content\/uploads\/2020\/06\/05d3e036bc02b40a338c1669496cae2c.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<img decoding=\"async\" alt=\"Cum arhitectura HiCampus simplific\u0103 organizarea solu\u021biilor de re\u021bea pentru campusuri\" src=\"\/wp-content\/uploads\/2020\/06\/8938db6608c7c08b5f246f5882e1ffa5.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nOn top of the physical solutions related to the optical and wireless data transmission environment, HiCampus heavily utilizes the Horizon intelligent platform, which serves the purpose of digital transformation and allows extracting more value from the infrastructure.<\/p>\n<p>For tasks related to the infrastructure itself, a management layer on the platform is used. <noindex><a rel=\"nofollow\" href=\"https:\/\/e.huawei.com\/en\/products\/network-management-and-analysis-software\/imaster-nce-campus\">iMaster NCE-Campus<\/a><\/noindex>.<\/p>\n<p>Primul s\u0103u scop este de a utiliza tehnologii de \u00eenv\u0103\u021bare automat\u0103 pentru monitorizarea re\u021belei. \u00cen special, algoritmii ML au f\u0103cut posibil\u0103 implementarea \u00een iMaster NCE a modulului CampusInsight O&amp;M 1-3-5: informa\u021biile despre o eroare sosesc \u00een decurs de un minut, iar procesarea sa dureaz\u0103 trei minute, erorile fiind rezolvate \u00een cinci minute (mai multe detalii \u00een articolul nostru \u201e<noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/huawei\/blog\/496268\/\">Produse \u0219i solu\u021bii re\u021bel\u0103 Huawei Enterprise pentru clien\u021bi corporate \u00een 2020<\/a><\/noindex>\u201d). Astfel, se corecteaz\u0103 nu mai pu\u021bin de 75\u201390% din erorile ap\u0103rute.<\/p>\n<p>A doua sarcin\u0103 este mai inteligent\u0103 - integrarea diverselor servicii legate de \u201ecampusul inteligent\u201d (precum monitorizarea re\u021belei, supravegherea video etc.).<\/p>\n<p>C\u00e2nd infrastructura re\u021belei are c\u00e2teva zeci de puncte de acces \u0219i c\u00e2\u021biva controleri, nu este o problem\u0103 s\u0103 captur\u0103m traficul de pe acestea \u0219i s\u0103-l analiz\u0103m manual cu ajutorul Wireshark. Dar c\u00e2nd sunt mii de puncte de acces, zeci de controlere \u0219i toate acestea sunt distribuite pe o suprafa\u021b\u0103 mare, g\u0103sirea defectelor devine mult mai dificil\u0103. Pentru a simplifica sarcina, am dezvoltat solu\u021bia iMaster NCE CampusInsight (despre care avem un articol separat <noindex><a rel=\"nofollow\" href=\"https:\/\/events.webinar.ru\/huaweirussia\/4989604\">un webinar<\/a><\/noindex>). Cu ajutorul s\u0103u, acumul\u00e2nd informa\u021bii de la dispozitive - pachete de nivel Layer-1 \/ Layer-4 - este posibil s\u0103 g\u0103sim rapid defec\u021biuni \u00een mediu re\u021bea.<\/p>\n<p>Procesul arat\u0103 astfel. Platforma, s\u0103 zicem, ne arat\u0103 c\u0103 utilizatorul are probleme cu autentificarea radio. Aceasta efectueaz\u0103 o analiz\u0103 \u0219i indic\u0103 \u00een ce etap\u0103 a ap\u0103rut problema. Dac\u0103 aceasta este legat\u0103 de mediu, platforma ne va propune o solu\u021bie (\u00een interfa\u021b\u0103 apare butonul Rezolv\u0103). \u00cen videoclipul de mai jos se arat\u0103 cum \u00een sistem vine o notificare c\u0103 a avut loc un reject RADIUS: cel mai probabil, utilizatorul a introdus gre\u0219it parola sau parola a fost schimbat\u0103. Astfel, f\u0103r\u0103 tentative disperate de a \u00een\u021belege ce se \u00eent\u00e2mpl\u0103, economisim mult timp, av\u00e2nd \u00een vedere c\u0103 toate datele sunt salvate \u0219i este u\u0219or s\u0103 studiem istoricul fiec\u0103rei coliziuni.<\/p>\n<p><center><div class=\"youtube-placeholder\" data-id=\"sBWN9XahrrQ\" onclick=\"loadVideo(this)\">\r\n        <img decoding=\"async\" src=\"https:\/\/img.youtube.com\/vi\/sBWN9XahrrQ\/hqdefault.jpg\" alt=\"Reda\u021bi video\" loading=\"lazy\" width=\"480\" height=\"360\" style=\"width:100%;height:auto;\">\r\n        <div class=\"play-button\"><\/div>\r\n    <\/div><\/center><br \/>\nO poveste frecvent\u0103: la dvs. se apropie un antreprenor sau un CTO \u0219i se pl\u00e2nge c\u0103 o persoan\u0103 important\u0103 nu a reu\u0219it s\u0103 se conecteze la re\u021beaua wireless \u00een biroul dvs. Este necesar s\u0103 rezolva\u021bi problema. Este posibil s\u0103 fi\u021bi \u00een pericol de a pierde un bonus trimestrial. \u00centr-o situa\u021bie obi\u0219nuit\u0103, nu se poate remedia problema f\u0103r\u0103 a g\u0103si acel utilizator VIP. Dar ce se \u00eent\u00e2mpl\u0103 dac\u0103 este un top-manager sau un secretar de stat, cu care este greu s\u0103 te \u00eent\u00e2lne\u0219ti, dar\u0103mite s\u0103-i ceri smartphone-ul pentru a investiga problema? Evitarea unor astfel de situa\u021bii este posibil\u0103 cu ajutorul produsului Huawei, care utilizeaz\u0103 distibutivul nostru de big data FusionInsight, care stocheaz\u0103 \u00eentreaga cantitate de cuno\u0219tin\u021be acumulate despre ce se \u00eent\u00e2mpl\u0103 \u00een re\u021bea, astfel \u00eenc\u00e2t s\u0103 putem ajunge la sursa oric\u0103rei defec\u021biuni prin analiz\u0103 retrospectiv\u0103.<\/p>\n<p><img decoding=\"async\" alt=\"Cum arhitectura HiCampus simplific\u0103 organizarea solu\u021biilor de re\u021bea pentru campusuri\" src=\"\/wp-content\/uploads\/2020\/06\/f4f12f11fd8ce26a0edeaa9080217a9f.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nDispozitivele \u0219i conectivitatea lor sunt importante. Dar pentru a construi un campus cu adev\u0103rat \u201einteligent\u201d, este necesar\u0103 o suprastructur\u0103 software. <\/p>\n<p>\u00cen primul r\u00e2nd, \u00een HiCampus, pe l\u00e2ng\u0103 nivelul fizic, se utilizeaz\u0103 o platform\u0103 cloud. Aceasta poate fi de tip privat, public sau hibrid. Pe aceasta, la r\u00e2ndul ei, se suprapune servicii pentru gestionarea datelor. Toat\u0103 aceast\u0103 combina\u021bie de software reprezint\u0103 platforma digital\u0103. Dintr-o perspectiv\u0103 conceptual\u0103, aceasta se bazeaz\u0103 pe principiile Relationship, Open, Multi-Ecosystem, Any-Connect \u2014 pe scurt ROMA (despre acestea \u0219i despre platform\u0103 \u00een general va avea loc, de asemenea, un webinar \u0219i un post ulterior). Oferind conexiuni \u00eentre componentele mediului, Horizon \u00eel face mai integrat, ceea ce se confirm\u0103 ulterior at\u00e2t \u00een indicatorii de afaceri, c\u00e2t \u0219i \u00een confortul utilizatorilor.<\/p>\n<p>La r\u00e2ndul s\u0103u, centrul inteligent de operare Huawei IOC (Intelligent Operation Center) este destinat s\u0103 supravegheze \u201estarea de s\u0103n\u0103tate\u201d a campusului, eficien\u021ba energetic\u0103 \u0219i securitatea, \u0219i cel mai important, ofer\u0103 o panoram\u0103 general\u0103 a ceea ce se \u00eent\u00e2mpl\u0103 pe campus. De exemplu, datorit\u0103 unui sistem de vizualizare intuitiv (vezi. <noindex><a rel=\"nofollow\" href=\"https:\/\/e.huawei.com\/topic\/huaweicampus\/en\/index.html\">demo<\/a><\/noindex>) va fi vizibil c\u0103 o camer\u0103 a reac\u021bionat la un factor de alarm\u0103, \u0219i se poate ob\u021bine imediat o imagine de la aceasta. Dac\u0103 dintr-o dat\u0103 apare un incendiu, prin intermediul senzorilor RFID se poate verifica u\u0219or dac\u0103 toate persoanele au p\u0103r\u0103sit \u00eenc\u0103perea.<\/p>\n<p>Datorit\u0103 conexiunii la punctele de acces Huawei cu module suplimentare care func\u021bioneaz\u0103 pe baza RFID, ZigBee sau Bluetooth, este u\u0219or s\u0103 creezi un mediu care monitorizeaz\u0103 eficient situa\u021bia din campus \u0219i semnaleaz\u0103 diverse probleme. De asemenea, cu ajutorul IOC, este simplu s\u0103 efectuezi inventarierea activelor \u00een timp real, iar gestionarea campusului ca o unitate inteligent\u0103 deschide o mul\u021bime de oportunit\u0103\u021bi.<\/p>\n<p><img decoding=\"async\" alt=\"Cum arhitectura HiCampus simplific\u0103 organizarea solu\u021biilor de re\u021bea pentru campusuri\" src=\"\/wp-content\/uploads\/2020\/06\/16d5894a94b1e838d8c3641eb8887125.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nDesigur, anumi\u021bi furnizori de pe pia\u021b\u0103 pot oferi unele solu\u021bii similare cu cele incluse \u00een HiCampus, de exemplu, accesul complet optic. Totu\u0219i, nimeni nu dispune de o arhitectur\u0103 integrat\u0103, a c\u0103rei principale avantaje am \u00eencercat s\u0103 le eviden\u021biem \u00een acest articol.<\/p>\n<p>\u0218i, \u00een final, nu uita\u021bi c\u0103 pute\u021bi afla mai multe detalii despre solu\u021biile noastre pentru campusuri inteligente \u0219i chiar s\u0103 le testa\u021bi pe site-ul proiectului nostru. <noindex><a rel=\"nofollow\" href=\"https:\/\/openlab.huawei.com\/portal\/\">OpenLab<\/a><\/noindex>.<\/p>\n<h2>***<\/h2>\n<p>\n\u0218i nu uita\u021bi de numeroasele noastre webinarii, care sunt organizate nu doar \u00een segmentul vorbitorilor de limb\u0103 rus\u0103, ci \u0219i la nivel global. Lista webinariilor pentru s\u0103pt\u0103m\u00e2nile urm\u0103toare este disponibil\u0103 la <noindex><a rel=\"nofollow\" href=\"https:\/\/e.huawei.com\/ru\/special_topic\/event\/2020q1\/ru-webinar-schedule-2020\">linkul<\/a><\/noindex>.<br \/>\n<br \/>Sursa: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/huawei\/blog\/508402\/\">habr.com<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u0440\u0435\u0434\u043b\u0430\u0433\u0430\u0435\u043c \u0432\u0430\u0448\u0435\u043c\u0443 \u0432\u043d\u0438\u043c\u0430\u043d\u0438\u044e \u043a\u0440\u0430\u0442\u043a\u0438\u0439 \u043e\u0431\u0437\u043e\u0440 \u043d\u043e\u0432\u043e\u0439 \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u044b Huawei \u2014 HiCampus, \u0432 \u043e\u0441\u043d\u043e\u0432\u0435 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u043f\u043e\u043b\u043d\u043e\u0441\u0442\u044c\u044e \u0431\u0435\u0441\u043f\u0440\u043e\u0432\u043e\u0434\u043d\u043e\u0439 \u0434\u043e\u0441\u0442\u0443\u043f \u0434\u043b\u044f \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0435\u0439, IP + POL \u0438 \u0438\u043d\u0442\u0435\u043b\u043b\u0435\u043a\u0442\u0443\u0430\u043b\u044c\u043d\u0430\u044f \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0430 \u043f\u043e\u0432\u0435\u0440\u0445 \u0444\u0438\u0437\u0438\u0447\u0435\u0441\u043a\u043e\u0439 \u0438\u043d\u0444\u0440\u0430\u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u044b. \u0412 \u043d\u0430\u0447\u0430\u043b\u0435 2020 \u0433\u043e\u0434\u0430 \u043c\u044b \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b\u0438 \u0434\u0432\u0435 \u043d\u043e\u0432\u044b\u0435 \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u044b, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043f\u0440\u0435\u0436\u0434\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043b\u0438\u0441\u044c \u0438\u0441\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e \u0432 \u041a\u0438\u0442\u0430\u0435. \u041e HiDC, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u0440\u0430\u0441\u0441\u0447\u0438\u0442\u0430\u043d\u0430 \u0432 \u043f\u0435\u0440\u0432\u0443\u044e \u043e\u0447\u0435\u0440\u0435\u0434\u044c \u043d\u0430 \u0440\u0430\u0437\u0432\u0451\u0440\u0442\u044b\u0432\u0430\u043d\u0438\u0435 \u0438\u043d\u0444\u0440\u0430\u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u044b \u0426\u041e\u0414\u043e\u0432, \u0432\u0435\u0441\u043d\u043e\u0439 \u043d\u0430 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