{"id":95643,"date":"2020-10-01T13:42:18","date_gmt":"2020-10-01T11:42:18","guid":{"rendered":"https:\/\/prohoster.info\/blog\/administrirovanie\/network-as-a-service-dlya-krupnogo-predpriyatiya-nestandartnyj-kejs"},"modified":"2020-10-01T13:42:18","modified_gmt":"2020-10-01T11:42:18","slug":"network-as-a-service-dlya-krupnogo-predpriyatiya-nestandartnyj-kejs","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/administrirovanie\/network-as-a-service-dlya-krupnogo-predpriyatiya-nestandartnyj-kejs","title":{"rendered":"Network-as-a-Service nagysz\u00e9ri\u00e1s v\u00e1llalatok sz\u00e1m\u00e1ra: egyedi eset","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" alt=\"Network-as-a-Service nagysz\u00e9ri\u00e1s v\u00e1llalatok sz\u00e1m\u00e1ra: egyedi eset\" src=\"\/wp-content\/uploads\/2020\/10\/41a850152b71e5f63bd359ceb3af3f01.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>Hogyan friss\u00edts\u00fck a h\u00e1l\u00f3zati berendez\u00e9seket egy nagyv\u00e1llalatn\u00e1l an\u00e9lk\u00fcl, hogy le\u00e1ll\u00edtan\u00e1nk a termel\u00e9st<\/i><i>? <\/i><i>A nagyszab\u00e1s\u00fa projektr\u0151l a \"nyitott sz\u00edv\u0171 m\u0171t\u00e9t\" \u00fczemm\u00f3dban mes\u00e9l <\/i><i><strong>a Linxdatacenter projektmenedzsere, Oleg Fedorov.\u00a0<\/strong><\/i><br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><br \/>\nAz ut\u00f3bbi \u00e9vekben n\u00f6vekv\u0151 keresletet tapasztalunk az \u00fcgyfelek r\u00e9sz\u00e9r\u0151l az IT-infrastrukt\u00fara h\u00e1l\u00f3zati komponenseivel kapcsolatos szolg\u00e1ltat\u00e1sok ir\u00e1nt. Az IT rendszerek, szolg\u00e1ltat\u00e1sok \u00e9s alkalmaz\u00e1sok \u00f6sszekapcsol\u00e1s\u00e1ra, az \u00fczleti tev\u00e9kenys\u00e9gek monitoringj\u00e1ra \u00e9s operat\u00edv kezel\u00e9s\u00e9re val\u00f3 ig\u00e9ny szinte minden ter\u00fcleten arra k\u00e9nyszer\u00edti a v\u00e1llalatokat, hogy fokozott figyelmet ford\u00edtsanak a h\u00e1l\u00f3zatokra.\u00a0\u00a0<\/p>\n<p>A k\u00e9r\u00e9sek spektruma a h\u00e1l\u00f3zat redundanci\u00e1j\u00e1nak biztos\u00edt\u00e1s\u00e1t\u00f3l kezdve a kliensek auton\u00f3m rendszer\u00e9nek l\u00e9trehoz\u00e1s\u00e1n \u00e9s kezel\u00e9s\u00e9n \u00e1t a <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/hu\/lir\/ipv4\/\"   title=\"IP-c\u00edmek\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"823\">IP-c\u00edmek<\/a>, a routing protokollok be\u00e1ll\u00edt\u00e1s\u00e1ig \u00e9s a forgalom ir\u00e1ny\u00edt\u00e1s\u00e1ig terjed a szervezetek politik\u00e1i szerint.<\/p>\n<p>N\u00f6vekv\u0151 kereslet mutatkozik az \u00f6sszetett h\u00e1l\u00f3zati infrastrukt\u00fara l\u00e9trehoz\u00e1s\u00e1ra \u00e9s karbantart\u00e1s\u00e1ra vonatkoz\u00f3 megold\u00e1sok ir\u00e1nt, els\u0151dlegesen az olyan \u00fcgyfelek r\u00e9sz\u00e9r\u0151l, akiknek a h\u00e1l\u00f3zati infrastrukt\u00far\u00e1ja a null\u00e1r\u00f3l \u00e9p\u00fcl fel, vagy elavult, komoly m\u00f3dos\u00edt\u00e1st ig\u00e9nyel.\u00a0<\/p>\n<p>Ez a tendencia id\u0151ben egybeesett a Linxdatacenter saj\u00e1t h\u00e1l\u00f3zati infrastrukt\u00far\u00e1j\u00e1nak fejl\u0151d\u00e9s\u00e9vel \u00e9s bonyolultabb\u00e1 v\u00e1l\u00e1s\u00e1val. B\u0151v\u00edtett\u00fck jelenl\u00e9t\u00fcnket Eur\u00f3p\u00e1ban t\u00e1voli helysz\u00ednek csatlakoztat\u00e1s\u00e1val, ami viszont a h\u00e1l\u00f3zati infrastrukt\u00fara t\u00f6k\u00e9letes\u00edt\u00e9s\u00e9t ig\u00e9nyelte.\u00a0<\/p>\n<p>A c\u00e9g elind\u00edtotta \u00faj szolg\u00e1ltat\u00e1s\u00e1t az \u00fcgyfelek sz\u00e1m\u00e1ra, Network-as-a-Service: \u00e1tvegy\u00fck az \u00fcgyfelek \u00f6sszes h\u00e1l\u00f3zati feladat\u00e1t, lehet\u0151v\u00e9 t\u00e9ve sz\u00e1mukra, hogy a f\u0151 \u00fczlet\u00e1gra \u00f6sszpontos\u00edtsanak.<\/p>\n<p>2020 nyar\u00e1n befejez\u0151d\u00f6tt az els\u0151 jelent\u0151s projekt ebben az ir\u00e1nyban, amelyr\u0151l szeretn\u00e9nk besz\u00e1molni.\u00a0<\/p>\n<h2>Kezd\u00e9sk\u00e9nt\u00a0<\/h2>\n<p>\nEgy nagy ipari komplexum megkeresett minket a h\u00e1l\u00f3zati infrastrukt\u00fara moderniz\u00e1l\u00e1s\u00e1val egyes v\u00e1llalataikn\u00e1l. Az \u00f6reg berendez\u00e9sek cser\u00e9je sz\u00fcks\u00e9ges volt \u00fajra, bele\u00e9rtve a h\u00e1l\u00f3zat gerinc\u00e9t is.<\/p>\n<p>Az utols\u00f3 berendez\u00e9smoderniz\u00e1l\u00e1s k\u00f6r\u00fclbel\u00fcl 10 \u00e9vvel ezel\u0151tt zajlott le a v\u00e1llalatn\u00e1l. Az \u00faj vezet\u00e9s \u00fagy d\u00f6nt\u00f6tt, hogy jav\u00edtja a kapcsol\u00f3d\u00e1st, kezdve az infrastrukt\u00fara friss\u00edt\u00e9s\u00e9vel a legalapvet\u0151bb, fizikai szinten.\u00a0<\/p>\n<p>A projektet k\u00e9t r\u00e9szre osztott\u00e1k: a szerverpark \u00e9s a h\u00e1l\u00f3zati berendez\u00e9sek friss\u00edt\u00e9se. A m\u00e1sodik r\u00e9sz\u00e9rt mi voltunk felel\u0151sek.\u00a0<\/p>\n<p>A munk\u00e1k alapvet\u0151 k\u00f6vetelm\u00e9nyei k\u00f6z\u00e9 tartozott a termel\u00e9si vonalak le\u00e1ll\u00e1s\u00e1nak minimaliz\u00e1l\u00e1sa a munk\u00e1latok elv\u00e9gz\u00e9se sor\u00e1n (bizonyos ter\u00fcleteken pedig a teljes le\u00e1ll\u00e1s elker\u00fcl\u00e9se). B\u00e1rmilyen le\u00e1ll\u00e1s a kliens k\u00f6zvetlen p\u00e9nz\u00fcgyi vesztes\u00e9ge, amit semmilyen k\u00f6r\u00fclm\u00e9nyek k\u00f6z\u00f6tt nem szabadott volna megengedni. Az objektum 24\/7\/365-\u00f6s m\u0171k\u00f6d\u00e9se, valamint a v\u00e1llalat gyakorlat\u00e1ban a tervezett le\u00e1ll\u00e1sok teljes hi\u00e1nya miatt feladatunk volt gyakorlatilag egy nyitott sz\u00edv m\u0171t\u00e9tj\u00e9nek v\u00e9grehajt\u00e1sa. Ez lett a projekt f\u0151 megk\u00fcl\u00f6nb\u00f6ztet\u0151 jellemz\u0151je.<\/p>\n<h2>Induljunk!<\/h2>\n<p>\nA munk\u00e1k a h\u00e1l\u00f3zat t\u00e1voli csom\u00f3pontjait\u00f3l a k\u00f6zeliek fel\u00e9, valamint a termel\u00e9si vonalak m\u0171k\u00f6d\u00e9s\u00e9re kev\u00e9sb\u00e9 hat\u00e1ssal l\u00e9v\u0151 ter\u00fcletekt\u0151l a k\u00f6zvetlen hat\u00e1ssal l\u00e9v\u0151ek fe\u00e9 haladtak.\u00a0<\/p>\n<p>P\u00e9ld\u00e1ul, ha a sales r\u00e9szleg csom\u00f3pontj\u00e1t n\u00e9zz\u00fck, akkor a szakaszban v\u00e9gzett munk\u00e1k miatti kommunik\u00e1ci\u00f3s zavar nem \u00e9rinti a termel\u00e9st. Ez az incidens a besz\u00e1ll\u00edt\u00f3 sz\u00e1m\u00e1ra lehet\u0151s\u00e9get ad arra, hogy ellen\u0151rizze a kiv\u00e1lasztott megk\u00f6zel\u00edt\u00e9s helyess\u00e9g\u00e9t az ilyen csom\u00f3pontok eset\u00e9ben, \u00e9s a tev\u00e9kenys\u00e9gek kiigaz\u00edt\u00e1s\u00e1val a projekt k\u00f6vetkez\u0151 szakaszaiban jobb munk\u00e1t v\u00e9gezzen.\u00a0<\/p>\n<p>Nemcsak a csom\u00f3pontokat \u00e9s a vezet\u00e9keket kell kicser\u00e9lni a h\u00e1l\u00f3zatban, hanem minden komponens megfelel\u0151 konfigur\u00e1l\u00e1sa is sz\u00fcks\u00e9ges a megold\u00e1s teljes m\u0171k\u00f6d\u00e9s\u00e9hez. A konfigur\u00e1ci\u00f3k \u00e9ppen ez\u00e9rt ker\u00fcltek ellen\u0151rz\u00e9sre: a magt\u00f3l t\u00e1volabb kezdve, gyakorlatilag \"jogot adtunk magunknak a hib\u00e1z\u00e1sra\", an\u00e9lk\u00fcl hogy kritikus szempontokra kock\u00e1zatot jelents\u00fcnk a v\u00e1llalat munk\u00e1ja szempontj\u00e1b\u00f3l.\u00a0<\/p>\n<p>Megjel\u00f6lt\u00fck azokat a ter\u00fcleteket, amelyek nem befoly\u00e1solj\u00e1k a termel\u00e9si folyamatot, valamint a kritikus pontokat \u2013 m\u0171helyek, rakod\u00f3- \u00e9s kirakod\u00f3 blokkok, rakt\u00e1rak stb. A kulcsfontoss\u00e1g\u00fa pontokon a klienssel egyeztett\u00fck a megengedett le\u00e1ll\u00e1si id\u0151t minden csom\u00f3pont eset\u00e9ben: 1-15 percig. Teljesen elker\u00fclni a h\u00e1l\u00f3zati csom\u00f3pontok kiiktat\u00e1s\u00e1t nem lehetett, mivel a k\u00e1belt fizikailag \u00e1t kellett kapcsolni a r\u00e9gi berendez\u00e9sekr\u0151l az \u00fajra, \u00e9s a kapcsol\u00e1s sor\u00e1n a vezet\u00e9kek \"borzad\u00e1ly\u00e1t\" is meg kellett oldani, ami \u00e9vek \u00f3ta ellen\u0151rizetlen \u00e1llapot k\u00f6vetkezm\u00e9nye (az egyik k\u00f6vetkezm\u00e9ny a k\u00e1belvezet\u00e9kek telep\u00edt\u00e9si munk\u00e1inak kiszervez\u00e9se).<\/p>\n<p>A munk\u00e1kat t\u00f6bb szakaszra osztott\u00e1k.<\/p>\n<p><b>1. l\u00e9p\u00e9s<\/b> \u2013 Audit. A megk\u00f6zel\u00edt\u00e9s el\u0151k\u00e9sz\u00edt\u00e9se \u00e9s egyeztet\u00e9se a munkaterv tervez\u00e9s\u00e9hez \u00e9s a csapatok, az \u00fcgyf\u00e9l, a kivitelez\u0151, valamint a mi csapatunk felk\u00e9sz\u00fclts\u00e9g\u00e9nek \u00e9rt\u00e9kel\u00e9se.<\/p>\n<p><b>2. l\u00e9p\u00e9s<\/b> \u2013 A munk\u00e1latok lebonyol\u00edt\u00e1s\u00e1nak form\u00e1tum\u00e1nak kidolgoz\u00e1sa, m\u00e9lyrehat\u00f3 r\u00e9szletes elemz\u00e9ssel \u00e9s tervez\u00e9ssel. A csekklist\u00e1s form\u00e1tumot v\u00e1lasztottuk, amely pontosan tartalmazza a l\u00e9p\u00e9sek sorrendj\u00e9t \u00e9s folyamat\u00e1t, eg\u00e9szen a patch k\u00e1belek portok szerinti kapcsol\u00e1s\u00e1nak sorrendj\u00e9ig.<\/p>\n<p><b>3. l\u00e9p\u00e9s<\/b> \u2013 Munka v\u00e9gz\u00e9se a gy\u00e1rt\u00e1sra nem hat\u00f3 szekr\u00e9nyekben. A le\u00e1ll\u00e1s idej\u00e9nek \u00e9rt\u00e9kel\u00e9se \u00e9s korrekci\u00f3ja a k\u00f6vetkez\u0151 munkaf\u00e1zisokhoz.<\/p>\n<p><b>4. l\u00e9p\u00e9s<\/b> \u2013 Munka v\u00e9gz\u00e9se a gy\u00e1rt\u00e1sra k\u00f6zvetlen hat\u00e1ssal l\u00e9v\u0151 szekr\u00e9nyekben. A le\u00e1ll\u00e1s idej\u00e9nek \u00e9rt\u00e9kel\u00e9se \u00e9s korrekci\u00f3ja a v\u00e9gs\u0151 munkaf\u00e1zishoz.<\/p>\n<p><b>5. l\u00e9p\u00e9s<\/b> \u2013 Munka v\u00e9gz\u00e9se az adatk\u00f6zpontban a fennmarad\u00f3 berendez\u00e9sek \u00e1tkapcsol\u00e1s\u00e1ra. \u00daj magra t\u00f6rt\u00e9n\u0151 ir\u00e1ny\u00edt\u00e1s ind\u00edt\u00e1sa.<\/p>\n<p><b>6. l\u00e9p\u00e9s<\/b> \u2013 A rendszer magj\u00e1nak fokozatos \u00e1tkapcsol\u00e1sa a r\u00e9gi h\u00e1l\u00f3zati konfigur\u00e1ci\u00f3kr\u00f3l az \u00fajokra a rendszer eg\u00e9sz\u00e9nek z\u00f6kken\u0151mentes \u00e1talak\u00edt\u00e1sa \u00e9rdek\u00e9ben (VLAN, ir\u00e1ny\u00edt\u00e1s stb.). Ebben a f\u00e1zisban csatlakoztattuk az \u00f6sszes felhaszn\u00e1l\u00f3t \u00e9s \u00e1t\u00e1ll\u00edtottuk az \u00f6sszes szolg\u00e1ltat\u00e1st az \u00faj berendez\u00e9sre, ellen\u0151rizt\u00fck a csatlakoz\u00e1sok helyess\u00e9g\u00e9t, \u00e9s biztos\u00edtottuk, hogy egyetlen v\u00e1llalati szolg\u00e1ltat\u00e1s se \u00e1llt le, garant\u00e1ltuk, hogy b\u00e1rmilyen probl\u00e9ma a maggal legyen kapcsolatos, ami megk\u00f6nny\u00edtette a lehets\u00e9ges hib\u00e1k elh\u00e1r\u00edt\u00e1s\u00e1t \u00e9s a v\u00e9gs\u0151 be\u00e1ll\u00edt\u00e1st.\u00a0<\/p>\n<h2>Dr\u00f3tok par\u00f3ka<\/h2>\n<p>\nA projekt nem volt egyszer\u0171 a kezdeti bonyolult k\u00f6r\u00fclm\u00e9nyek miatt sem.\u00a0<\/p>\n<p>El\u0151sz\u00f6r is, hatalmas sz\u00e1m\u00fa csom\u00f3pont \u00e9s h\u00e1l\u00f3zati szakasz van, \u00f6sszetett topol\u00f3gi\u00e1val \u00e9s a vezet\u00e9kek rendeltet\u00e9se szerinti oszt\u00e1lyoz\u00e1s\u00e1val. Az ilyen \"par\u00f3k\u00e1kat\" ki kellett emelni a szekr\u00e9nyb\u0151l, \u00e9s gondosan \"meg kellett f\u00e9s\u00fclni\", kider\u00edtve, hogy melyik vezet\u00e9k honnan \u00e9s hova vezet.\u00a0<\/p>\n<p>Ez k\u00f6r\u00fclbel\u00fcl \u00edgy n\u00e9zett ki:<\/p>\n<p><img decoding=\"async\" alt=\"Network-as-a-Service nagysz\u00e9ri\u00e1s v\u00e1llalatok sz\u00e1m\u00e1ra: egyedi eset\" src=\"\/wp-content\/uploads\/2020\/10\/250765ff4f34b562faabfa17419345fb.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n\u00edgy n\u00e9zett ki:<\/p>\n<p><img decoding=\"async\" alt=\"Network-as-a-Service nagysz\u00e9ri\u00e1s v\u00e1llalatok sz\u00e1m\u00e1ra: egyedi eset\" src=\"\/wp-content\/uploads\/2020\/10\/4b010a2c0679143230cb355d9eea5a17.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nvagy \u00edgy:\u00a0<\/p>\n<p><img decoding=\"async\" alt=\"Network-as-a-Service nagysz\u00e9ri\u00e1s v\u00e1llalatok sz\u00e1m\u00e1ra: egyedi eset\" src=\"\/wp-content\/uploads\/2020\/10\/c5c25358974e0ec219ac7a1ab97b84e9.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nM\u00e1sodszor, minden ilyen feladathoz el\u0151 kellett k\u00e9sz\u00edteni egy f\u00e1jlt, amely le\u00edrja a folyamatot. \"Fogjuk a r\u00e9gi berendez\u00e9s 1-es portj\u00e1b\u00f3l a X k\u00e1belt, \u00e9s bedugjuk az \u00faj berendez\u00e9s 18-as portj\u00e1ba.\" Egyszer\u0171en hangzik, de amikor az alapadatokban 48 teljesen megt\u00f6lt\u00f6tt port van, \u00e9s a le\u00e1ll\u00e1s lehet\u0151s\u00e9ge n\u00e9lk\u00fcl (eml\u00e9kezz\u00fcnk: 24\/7\/365), az egyetlen megold\u00e1s a blokkok szerinti munka. Min\u00e9l t\u00f6bb vezet\u00e9ket tudunk egyszerre kivonni a r\u00e9gi berendez\u00e9sb\u0151l, ann\u00e1l gyorsabban rendezhetj\u00fck el, \u00e9s illeszthetj\u00fck be az \u00faj h\u00e1l\u00f3zati \u201evasba\u201d, elker\u00fclve a h\u00e1l\u00f3zati le\u00e1ll\u00e1sokat \u00e9s zavarokat.\u00a0<\/p>\n<p>Ez\u00e9rt az el\u0151k\u00e9sz\u00edt\u00e9si szakaszban a h\u00e1l\u00f3zat blokkokra oszt\u00e1s\u00e1t v\u00e9gezt\u00fck \u2013 mindegyik a megfelel\u0151 VLAN-hoz tartozott. Minden port (vagy azok egy r\u00e9sze) a r\u00e9gi berendez\u00e9sen egy VLAN a \u00faj h\u00e1l\u00f3zati topol\u00f3gi\u00e1ban. \u00dagy csoportos\u00edtottuk \u0151ket, hogy a kapcsol\u00f3k els\u0151 portjaiban felhaszn\u00e1l\u00f3i h\u00e1l\u00f3zatok, a k\u00f6z\u00e9ps\u0151 r\u00e9szben gy\u00e1rt\u00e1si h\u00e1l\u00f3zatok, m\u00edg az utols\u00f3 r\u00e9szen hozz\u00e1f\u00e9r\u00e9si pontok \u00e9s uplinkek helyezkedtek el.\u00a0<\/p>\n<p>Ez a megk\u00f6zel\u00edt\u00e9s lehet\u0151v\u00e9 tette, hogy egyszerre ne 1 k\u00e1belt, hanem 10-15 k\u00e1belt emelj\u00fcnk ki \u00e9s rendezzenek el a r\u00e9gi berendez\u00e9sb\u0151l. Ez megsokszorozta a munkafolyamat hat\u00e9konys\u00e1g\u00e1t.\u00a0\u00a0<\/p>\n<p>Egy\u00e9bk\u00e9nt, \u00edgy n\u00e9znek ki a k\u00e1belek a szekr\u00e9nyekben a rendez\u00e9s ut\u00e1n:\u00a0<\/p>\n<p><img decoding=\"async\" alt=\"Network-as-a-Service nagysz\u00e9ri\u00e1s v\u00e1llalatok sz\u00e1m\u00e1ra: egyedi eset\" src=\"\/wp-content\/uploads\/2020\/10\/18ae2427926aaa85bf7c730bcd3c7ea3.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nvagy p\u00e9ld\u00e1ul \u00edgy:\u00a0<\/p>\n<p><img decoding=\"async\" alt=\"Network-as-a-Service nagysz\u00e9ri\u00e1s v\u00e1llalatok sz\u00e1m\u00e1ra: egyedi eset\" src=\"\/wp-content\/uploads\/2020\/10\/42b661d166bf5c8f67ea084045e7f04f.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nA m\u00e1sodik szakasz befejez\u00e9se ut\u00e1n r\u00f6vid sz\u00fcnetet tartottunk a hib\u00e1k \u00e9s a projekt dinamik\u00e1j\u00e1nak elemz\u00e9s\u00e9re. P\u00e9ld\u00e1ul azonnal el\u0151j\u00f6ttek apr\u00f3 hib\u00e1k a nek\u00fcnk megadott h\u00e1l\u00f3zati rajzokban (hib\u00e1s csatlakoz\u00f3 a rajzon \u2013 hib\u00e1san v\u00e1s\u00e1rolt patch k\u00e1bel \u00e9s annak cser\u00e9je).\u00a0<\/p>\n<p>A sz\u00fcnet sz\u00fcks\u00e9ges volt, mivel a szerverekkel val\u00f3 munka sor\u00e1n m\u00e9g a legkisebb hiba is elfogadhatatlan volt. Ha a c\u00e9l az volt, hogy a h\u00e1l\u00f3zat egy szakasz\u00e1ban a le\u00e1ll\u00e1s ideje ne haladja meg az 5 percet, azt nem lehetett t\u00fall\u00e9pni. B\u00e1rmely id\u0151beli elt\u00e9r\u00e9s a menetrendt\u0151l \u00fcgyf\u00e9llel kellett egyeztetni.\u00a0<\/p>\n<p>Azonban a projekt el\u0151zetes tervez\u00e9se \u00e9s blokkokra oszt\u00e1sa lehet\u0151v\u00e9 tette, hogy minden szakaszra el\u0151re meghat\u00e1rozott le\u00e1ll\u00e1sid\u0151n bel\u00fcl v\u00e9gezz\u00fck el a feladatokat, \u00e9s a legt\u00f6bb esetben egy\u00e1ltal\u00e1n elker\u00fclj\u00fck a le\u00e1ll\u00e1st.\u00a0<\/p>\n<h2>Az id\u0151 kih\u00edv\u00e1sa \u2013 projekt COVID idej\u00e9n\u00a0<\/h2>\n<p>\nTov\u00e1bbi neh\u00e9zs\u00e9gek n\u00e9lk\u00fcl azonban nem \u00fasztuk meg. Term\u00e9szetesen a koronav\u00edrus az egyik akad\u00e1lyk\u00e9nt jelentkezett.\u00a0<\/p>\n<p>A COVID-19 pandemic has complicated work, making it impossible for all specialists involved in the process to be present at the client's site during the work. Only employees from the installation organization were allowed on site, while control was conducted through a Zoom room, which included a network engineer from Linxdatacenter, myself as the project manager, the client's network engineer responsible for the work, and the team carrying out the installation.<\/p>\n<p>During the work, unforeseen problems arose, requiring adjustments to be made on the fly. This allowed us to quickly mitigate the impact of human error (errors in the schematic, errors in determining the activity status of the interface, etc.).<\/p>\n<p>Although the remote format of work seemed unusual at the beginning of the project, we adapted fairly quickly to the new conditions and reached the final stage of work.\u00a0<\/p>\n<p>We launched a temporary network configuration to run two network cores - the old and the new - in parallel for a smooth transition. However, it turned out that one unnecessary line was not removed from the configuration file of the new core, preventing the transition. This forced us to spend some time finding the issue.\u00a0<\/p>\n<p>It became clear that the main traffic was being transmitted correctly, while the management traffic was not reaching the node through the new core. Due to effective project phase separation, we quickly identified the part of the network where the difficulty arose, pinpointed the problem, and resolved it.\u00a0<\/p>\n<h2>As a result,<\/h2>\n<p>\n<i>Technical outcomes of the project\u00a0<\/i><\/p>\n<p>First of all, a new core of the enterprise's new network was created, for which we constructed physical\/logical rings. This was done in such a way that each switch in the network had a 'second arm'. In the old network, many switches connected to the core via a single route, one arm (uplink). If it broke, the switch would become completely inaccessible. Furthermore, if multiple switches were connected via one uplink, failure would cripple an entire department or production line in the enterprise.\u00a0<\/p>\n<p>In the new network, even a significant network incident cannot 'take down' the entire network or a significant part of it under any scenario.\u00a0<\/p>\n<p>A h\u00e1l\u00f3zati berendez\u00e9sek 90%-\u00e1t friss\u00edtett\u00e9k, a m\u00e9diakonvertereket (jel\u00e1tviteli k\u00f6zeg \u00e1talak\u00edt\u00f3k) kivont\u00e1k a forgalomb\u00f3l, tov\u00e1bb\u00e1 megsz\u0171nt a sz\u00fcks\u00e9g a dedik\u00e1lt t\u00e1pk\u00e1belekre a berendez\u00e9sek t\u00e1pl\u00e1l\u00e1s\u00e1hoz, mivel a PoE switch-ekhez val\u00f3 csatlakoz\u00e1s lehet\u0151v\u00e9 teszi az elektromos energia Ethernet vezet\u00e9keken kereszt\u00fcli \u00e1tad\u00e1s\u00e1t.\u00a0<\/p>\n<p>Az \u00f6sszes optikai kapcsolatot megjel\u00f6lt\u00fck a szerverhelyis\u00e9gben \u00e9s a helyi szekr\u00e9nyekben - az \u00f6sszes kulcsfontoss\u00e1g\u00fa kapcsolatn\u00e1l. Ez lehet\u0151v\u00e9 tette a berendez\u00e9sek \u00e9s a h\u00e1l\u00f3zat kapcsolatait \u00e1br\u00e1zol\u00f3 topol\u00f3giai terv elk\u00e9sz\u00edt\u00e9s\u00e9t, amely a t\u00e9nyleges \u00e1llapotot t\u00fckr\u00f6zi ma.\u00a0<\/p>\n<p><i>A h\u00e1l\u00f3zat \u00e1br\u00e1zol\u00e1sa<\/i><br \/>\n<img decoding=\"async\" alt=\"Network-as-a-Service nagysz\u00e9ri\u00e1s v\u00e1llalatok sz\u00e1m\u00e1ra: egyedi eset\" src=\"\/wp-content\/uploads\/2020\/10\/03227daadfdd7e86146f76c5755b1fc2.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nA legfontosabb technikai eredm\u00e9ny: a jelent\u0151s infrastruktur\u00e1lis munka gyorsan lezajlott, an\u00e9lk\u00fcl, hogy b\u00e1rmilyen zavart okozott volna a v\u00e1llalat m\u0171k\u00f6d\u00e9s\u00e9ben \u00e9s szinte \u00e9szrev\u00e9tlen maradt a munkav\u00e1llal\u00f3k sz\u00e1m\u00e1ra.\u00a0<\/p>\n<p><i>A projekt \u00fczleti \u00f6sszegz\u00e9se<\/i><\/p>\n<p>V\u00e9lem\u00e9nyem szerint ez a projekt els\u0151sorban nem technikai, hanem szervez\u00e9si szempontb\u00f3l \u00e9rdekes. A neh\u00e9zs\u00e9gek els\u0151sorban a tervez\u00e9sben \u00e9s a projektfeladatok megval\u00f3s\u00edt\u00e1s\u00e1nak l\u00e9p\u00e9seinek \u00e1tgondol\u00e1s\u00e1ban rejlettek.\u00a0<\/p>\n<p>A projekt sikere azt mutatja, hogy a Linxdatacenter szolg\u00e1ltat\u00e1sportf\u00f3li\u00f3 keret\u00e9ben tett kezdem\u00e9nyez\u00e9s\u00fcnk a h\u00e1l\u00f3zati ir\u00e1nyvonal fejleszt\u00e9s\u00e9re helyes v\u00e1laszt\u00e1s a v\u00e1llalat fejl\u0151d\u00e9si ir\u00e1ny\u00e1ban. A projektek felel\u0151ss\u00e9gteljes kezel\u00e9se, a j\u00f3l megtervezett strat\u00e9gia \u00e9s a pontos tervez\u00e9s lehet\u0151v\u00e9 tette a munka megfelel\u0151 sz\u00ednvonalon t\u00f6rt\u00e9n\u0151 elv\u00e9gz\u00e9s\u00e9t.\u00a0<\/p>\n<p>A munka min\u0151s\u00e9g\u00e9nek meger\u0151s\u00edt\u00e9se - a kliens k\u00e9rv\u00e9nye a h\u00e1l\u00f3zat moderniz\u00e1l\u00e1s\u00e1nak folytat\u00e1s\u00e1ra m\u00e1s telephelyein Oroszorsz\u00e1gban.<br \/>\n<br \/>Forr\u00e1s: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/linxdatacenter\/blog\/521352\/\">habr.com<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u0430\u043a \u043e\u0431\u043d\u043e\u0432\u0438\u0442\u044c \u0441\u0435\u0442\u0435\u0432\u043e\u0435 \u043e\u0431\u043e\u0440\u0443\u0434\u043e\u0432\u0430\u043d\u0438\u0435 \u043d\u0430 \u043a\u0440\u0443\u043f\u043d\u043e\u043c \u043f\u0440\u0435\u0434\u043f\u0440\u0438\u044f\u0442\u0438\u0438 \u0431\u0435\u0437 \u043e\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0438 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0441\u0442\u0432\u0430? \u041e \u043c\u0430\u0441\u0448\u0442\u0430\u0431\u043d\u043e\u043c \u043f\u0440\u043e\u0435\u043a\u0442\u0435 \u0432 \u0440\u0435\u0436\u0438\u043c\u0435 \u00ab\u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438 \u043d\u0430 \u043e\u0442\u043a\u0440\u044b\u0442\u043e\u043c \u0441\u0435\u0440\u0434\u0446\u0435\u00bb \u0440\u0430\u0441\u0441\u043a\u0430\u0437\u044b\u0432\u0430\u0435\u0442 \u043c\u0435\u043d\u0435\u0434\u0436\u0435\u0440 \u043f\u043e \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044e \u043f\u0440\u043e\u0435\u043a\u0442\u0430\u043c\u0438 Linxdatacenter \u041e\u043b\u0435\u0433 \u0424\u0435\u0434\u043e\u0440\u043e\u0432.\u00a0 \u0412 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0438\u0435 \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u043b\u0435\u0442 \u043c\u044b \u043e\u0442\u043c\u0435\u0447\u0430\u0435\u043c \u043f\u043e\u0432\u044b\u0448\u0435\u043d\u043d\u044b\u0439 \u0441\u043f\u0440\u043e\u0441 \u0437\u0430\u043a\u0430\u0437\u0447\u0438\u043a\u043e\u0432 \u043d\u0430 \u0443\u0441\u043b\u0443\u0433\u0438, \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u044b\u0435 \u0441 \u0441\u0435\u0442\u0435\u0432\u044b\u043c \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u043e\u043c \u0418\u0422-\u0438\u043d\u0444\u0440\u0430\u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u044b. \u041f\u043e\u0442\u0440\u0435\u0431\u043d\u043e\u0441\u0442\u044c \u0432 \u0441\u0432\u044f\u0437\u043d\u043e\u0441\u0442\u0438 \u0418\u0422-\u0441\u0438\u0441\u0442\u0435\u043c, \u0441\u0435\u0440\u0432\u0438\u0441\u043e\u0432, \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439, \u0437\u0430\u0434\u0430\u0447\u0438 \u043c\u043e\u043d\u0438\u0442\u043e\u0440\u0438\u043d\u0433\u0430 \u0438 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0433\u043e \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0431\u0438\u0437\u043d\u0435\u0441\u043e\u043c [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":95644,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-95643","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041a\u0430\u043a \u043e\u0431\u043d\u043e\u0432\u0438\u0442\u044c \u0441\u0435\u0442\u0435\u0432\u043e\u0435.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" 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