{"id":87676,"date":"2020-07-09T13:42:19","date_gmt":"2020-07-09T11:42:19","guid":{"rendered":"https:\/\/prohoster.info\/blog\/administrirovanie\/huawei-dcn-pyat-sczenariev-postroeniya-seti-czod"},"modified":"2020-07-09T13:42:19","modified_gmt":"2020-07-09T11:42:19","slug":"huawei-dcn-pyat-sczenariev-postroeniya-seti-czod","status":"publish","type":"post","link":"https:\/\/prohoster.info\/ro\/blog\/administrirovanie\/huawei-dcn-pyat-sczenariev-postroeniya-seti-czod","title":{"rendered":"Huawei DCN: cinci scenarii pentru construirea re\u021belei de centre de date","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Ast\u0103zi, \u00een centrul aten\u021biei noastre nu se afl\u0103 doar gama de produse Huawei pentru crearea re\u021belelor de centre de date, ci \u0219i modul \u00een care s\u0103 construim solu\u021bii complexe avansate pe baza acestora. Vom \u00eencepe cu scenariile, apoi vom trece la func\u021biile specifice, echipamentele suportate \u0219i vom \u00eencheia cu o prezentare a dispozitivelor specifice care pot sta la baza centrelor de date moderne cu cel mai \u00eenalt nivel de automatizare a proceselor de re\u021bea.<\/p>\n<p><img decoding=\"async\" alt=\"Huawei DCN: cinci scenarii pentru construirea re\u021belei de centre de date\" src=\"\/wp-content\/uploads\/2020\/07\/11ab3286977e3237fd53232150fe2d29.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><br \/>\nIndiferent c\u00e2t de impresionante sunt specifica\u021biile echipamentelor de re\u021bea, posibilit\u0103\u021bile solu\u021biilor arhitecturale aplicate pe baza acestora sunt definite de c\u00e2t de eficient\u0103 poate fi integrarea reciproc\u0103 a tehnologiilor hardware, software, virtuale \u0219i altor tehnologii asociate. \u00cencerc\u00e2nd s\u0103 \u021binem pasul cu vremurile, ne str\u0103duim s\u0103 oferim clien\u021bilor posibilit\u0103\u021bi moderne \u0219i promi\u021b\u0103toare, care adesea dep\u0103\u0219esc cele mai \u00eendr\u0103zne\u021be concep\u021bii ale altor furnizori.<\/p>\n<p><img decoding=\"async\" alt=\"Huawei DCN: cinci scenarii pentru construirea re\u021belei de centre de date\" src=\"\/wp-content\/uploads\/2020\/07\/69f20c780f905cb3b91d7ab1b7944300.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nSolu\u021biile bazate pe Cloud Fabric includ re\u021beaua centrului de date, controlerul SDN, precum \u0219i alte componente necesare pentru proiectul specific, inclusiv de la al\u021bi produc\u0103tori.<\/p>\n<p>Primul \u0219i cel mai simplu scenariu implic\u0103 utilizarea unui num\u0103r minim de componente: re\u021beaua este construit\u0103 pe baza hardware-ului Huawei \u0219i a instrumentelor externe pentru automatizarea proceselor de gestionare a re\u021belei \u0219i a monitoriz\u0103rii acesteia. De exemplu, cum ar fi Ansible sau Microsoft Azure.<\/p>\n<p>Al doilea scenariu presupune c\u0103 clientul folose\u0219te deja un sistem de virtualizare \u0219i SDN pentru centrele de date, s\u0103 zicem NSX, \u0219i dore\u0219te s\u0103 utilizeze echipamentele Huawei ca VTEP hardware (Virtual Tunnel End Point) \u00een cadrul solu\u021biei VMware existente. Pe site-ul acestei companii <noindex><a rel=\"nofollow\" href=\"https:\/\/www.vmware.com\/resources\/compatibility\/pdf\/vi_hvxg_guide.pdf\">este prezentat un list\u0103<\/a><\/noindex> a echipamentelor Huawei care au fost testate \u0219i pot fi utilizate ca VTEP. Deoarece nu este un secret c\u0103, oric\u00e2t de reu\u0219ite ar fi solu\u021biile software VXLAN (Virtual Extensible LAN) pe switch-uri virtuale, implement\u0103rile hardware sunt mai eficiente din punct de vedere al performan\u021bei.<\/p>\n<p>Scenariul trei se refer\u0103 la construirea sistemelor de tip hosting &amp; computing, care includ un controler, dar nu au o platform\u0103 de nivel superior cu care s\u0103 fie necesar\u0103 integrarea. Una dintre variantele de implementare a acestui scenariu presupune existen\u021ba unui controler SDN separat Agile Controller-DCN. Aceast\u0103 arhitectur\u0103 poate fi utilizat\u0103 de administratori de sistem pentru a efectua opera\u021biuni zilnice de gestionare a re\u021belei. O variant\u0103 mai avansat\u0103 a celui de-al treilea scenariu se bazeaz\u0103 pe interac\u021biunea Agile Controller-DCN cu VMware vCenter, unite printr-un anumit proces de afaceri, dar din nou, f\u0103r\u0103 un sistem superior de administrare.<\/p>\n<p>Al patrulea scenariu este remarcabil \u2014 integrarea cu o platform\u0103 de nivel superior bazat\u0103 pe OpenStack sau produsul nostru de virtualizare FusionSphere. \u00cenregistr\u0103m numeroase cereri pentru astfel de solu\u021bii arhitecturale, dintre care OpenStack (CentOS, Red Hat etc.) este cel mai popular. Totul depinde de platforma de orchestrare \u0219i gestionare a resurselor computa\u021bionale utilizat\u0103 \u00een centrul de date.<\/p>\n<p>Cinci-ul scenariul este complet nou. Pe l\u00e2ng\u0103 comutatoarele hardware bine cunoscute, acesta include un comutator virtual distribuit CloudEngine 1800V (CE1800V), care poate fi utilizat doar cu KVM (Kernel-based Virtual Machine). Aceast\u0103 arhitectur\u0103 presupune combinarea Agile Controller-DCN cu platforma de containerizare Kubernetes prin intermediul pluginului CNI. Astfel, Huawei \u00eempreun\u0103 cu \u00eentreaga lume avanseaz\u0103 <b>de la virtualizarea gazdelor la virtualizarea sistemelor de operare<\/b>.<\/p>\n<p><img decoding=\"async\" alt=\"Huawei DCN: cinci scenarii pentru construirea re\u021belei de centre de date\" src=\"\/wp-content\/uploads\/2020\/07\/0ac9d479c1d5f48b5ad653779e5482b5.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<\/p>\n<h2>Mai multe detalii despre containerizare<\/h2>\n<p>\nAnterior, am men\u021bionat comutatorul virtual CE1800V, desf\u0103\u0219urat prin intermediul Agile Controller-DCN. \u00cempreun\u0103 cu comutatoarele hardware Huawei, acestea formeaz\u0103 un fel de 'overlay hibrid'. \u00cen cur\u00e2nd, scenariile de containerizare de la Huawei vor primi suport pentru func\u021bionalit\u0103\u021bi NAT \u0219i echilibrare a \u00eenc\u0103rc\u0103rii. <\/p>\n<p>O limitare a arhitecturii este imposibilitatea utiliz\u0103rii CE1800V separat de Agile Controller-DCN. De asemenea, trebuie avut \u00een vedere c\u0103 un PoD al platformei Kubernetes poate con\u021bine nu mai mult de 4 milioane de containere.<\/p>\n<p>Conectarea la re\u021beaua VXLAN a centrului de date se face prin intermediul VLAN (Re\u021bea Local\u0103 Virtual\u0103), dar exist\u0103 \u0219i o variant\u0103 \u00een care CE1800V ac\u021bioneaz\u0103 ca VTEP cu procesul BGP (Protocolul de Frontier\u0103). Aceasta permite schimbul de rute BGP cu re\u021beaua principal\u0103 f\u0103r\u0103 a implica comutatoare hardware separate.<\/p>\n<p><img decoding=\"async\" alt=\"Huawei DCN: cinci scenarii pentru construirea re\u021belei de centre de date\" src=\"\/wp-content\/uploads\/2020\/07\/d5f6bd495da94441ad359d3ba07bd812.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<\/p>\n<h2>Re\u021bele bazate pe inten\u021bii: re\u021bele care analizeaz\u0103 inten\u021biile<\/h2>\n<p>\nConceptul de Re\u021bea Bazat\u0103 pe Inten\u021bii (IDN) Huawei <noindex><a rel=\"nofollow\" href=\"https:\/\/www.huawei.com\/ru\/news\/ru\/2018\/huawei_intent_driven_network\">a prezentat<\/a><\/noindex> \u00eenceput \u00eenc\u0103 din 2018. De atunci, compania nu a oprit lucr\u0103rile la re\u021belele care, prin tehnologia de cloud computing, big data \u0219i inteligen\u021b\u0103 artificial\u0103, analizeaz\u0103 scopurile \u0219i inten\u021biile utilizatorilor.<\/p>\n<p>Practic, vorbim despre o tranzi\u021bie de la automatizare la autonomitate. Inten\u021bia exprimat\u0103 de utilizator se transform\u0103 \u00een recomand\u0103ri ale produselor de re\u021bea despre cum s\u0103 fie realizat\u0103 aceast\u0103 inten\u021bie. La baza acestei func\u021bionalit\u0103\u021bi stau capabilit\u0103\u021bile Agile Controller-DCN, care vor fi ad\u0103ugate \u00een produs pentru a sus\u021bine punerea \u00een aplicare a ideologiei IDN.<\/p>\n<p>Pe termen lung, odat\u0103 cu implementarea IDN, va fi posibil\u0103 desf\u0103\u0219urarea serviciilor de re\u021bea cu un singur clic, ceea ce implic\u0103 un grad foarte \u00eenalt de automatizare. Arhitectura modular\u0103 a func\u021biilor de re\u021bea \u0219i capacitatea de a combina aceste func\u021bii vor permite administratorului s\u0103 indice cu u\u0219urin\u021b\u0103 ce servicii trebuie s\u0103 devin\u0103 disponibile \u00eentr-un anumit segment de re\u021bea.<\/p>\n<p>Pentru a atinge un astfel de nivel de gestionabilitate, procesul ZTP (Zero Touch Provisioning) este foarte important. Huawei a realizat progrese semnificative \u00een acest sens, oferind astfel posibilitatea desf\u0103\u0219ur\u0103rii complete a re\u021belei \u201edin cutie\u201d.<\/p>\n<p>Urm\u0103torul pas \u00een procesul de instalare \u0219i desf\u0103\u0219urare include \u00een mod necesar procedura de verificare a conectivit\u0103\u021bii re\u021belei \u00eentre resurse \u0219i evaluarea modific\u0103rilor performan\u021bei re\u021belei \u00een func\u021bie de modul s\u0103u de operare. Aceast\u0103 etap\u0103 implic\u0103 simularea \u00eenainte de \u00eenceputul exploat\u0103rii reale.<\/p>\n<p>Urm\u0103torul pas este configurarea serviciilor \u00een func\u021bie de nevoile clientului (provisioning de servicii) \u0219i verificarea acestora, realizat\u0103 cu instrumentele integrate Huawei. Apoi, r\u0103m\u00e2ne doar s\u0103 se monitorizeze rezultatul. <\/p>\n<p>Parcurgerea \u00eentregului proces descris poate fi realizat\u0103 acum cu ajutorul unui singur mecanism complex bazat pe platforma iMaster NCE, care con\u021bine Agile Controller-DCN \u0219i sistemul de gestionare a elementelor re\u021belei (EMS) eSight.<\/p>\n<p><img decoding=\"async\" alt=\"Huawei DCN: cinci scenarii pentru construirea re\u021belei de centre de date\" src=\"\/wp-content\/uploads\/2020\/07\/5b1187048ef500373fb0de3cc9da0c79.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n\u00cen prezent, Agile Controller-DCN poate verifica disponibilitatea resurselor \u0219i existen\u021ba conexiunilor, precum \u0219i s\u0103 reac\u021bioneze proactiv (dup\u0103 aprobatul administratorului) la apari\u021bia problemelor \u00een re\u021bea. Ad\u0103ugarea serviciilor necesare se face acum manual, dar \u00een viitor, Huawei inten\u021bioneaz\u0103 s\u0103 automatizeze aceast\u0103 \u0219i alte opera\u021biuni, cum ar fi desf\u0103\u0219urarea serverelor, configurarea re\u021belelor pentru stocarea de date etc. <\/p>\n<p><img decoding=\"async\" alt=\"Huawei DCN: cinci scenarii pentru construirea re\u021belei de centre de date\" src=\"\/wp-content\/uploads\/2020\/07\/cc8175a271c07c3a1031bbc515832606.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<\/p>\n<h2>Lan\u021buri de servicii \u0219i microsegmentare<\/h2>\n<p>\nAgile Controller-DCN este capabil s\u0103 proceseze anteturile de servicii (Net Service Headers, sau NSH) con\u021binute \u00een pachetele VXLAN. Acest lucru este util pentru crearea lan\u021burilor de servicii (service chains). De exemplu, dori\u021bi s\u0103 trimite\u021bi pachete de un anumit tip pe un traseu diferit de cel oferit de protocolul standard de rutare. \u00cenainte de a p\u0103r\u0103si re\u021beaua, acestea trebuie s\u0103 treac\u0103 printr-un dispozitiv (de exemplu, un firewall). Pentru aceasta, este suficient s\u0103 configura\u021bi un lan\u021b de servicii care con\u021bine regulile necesare. Prin intermediul acestui mecanism, este posibil\u0103, de exemplu, configurarea politicilor de securitate, dar exist\u0103 \u0219i alte domenii de aplicare.<\/p>\n<p><img decoding=\"async\" alt=\"Huawei DCN: cinci scenarii pentru construirea re\u021belei de centre de date\" src=\"\/wp-content\/uploads\/2020\/07\/d0a24cdc47123414f0cd9665eef3f6d2.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nDiagrama ilustreaz\u0103 clar func\u021bionarea lan\u021burilor de servicii conforme cu RFC, bazate pe NSH, precum \u0219i o list\u0103 a switchurilor hardware care le suport\u0103.<\/p>\n<p><img decoding=\"async\" alt=\"Huawei DCN: cinci scenarii pentru construirea re\u021belei de centre de date\" src=\"\/wp-content\/uploads\/2020\/07\/a692ce587599b6a42ef96f9b0fe244b1.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nCapacit\u0103\u021bile solu\u021biilor Huawei \u00een domeniul cre\u0103rii lan\u021burilor de servicii sunt completate de instrumentele de microsegmentare - o metod\u0103 de securitate \u00een re\u021bea care presupune izolarea segmentelor de securitate p\u00e2n\u0103 la nivelul elementelor individuale ale sarcinilor de lucru. Eliminarea 'g\u00e2tului de sticl\u0103' din listele de control al accesului (Access Control List sau ACL) este facilitat\u0103 de absen\u021ba necesit\u0103\u021bii de a configura manual o cantitate enorm\u0103 de ACL.<\/p>\n<p><img decoding=\"async\" alt=\"Huawei DCN: cinci scenarii pentru construirea re\u021belei de centre de date\" src=\"\/wp-content\/uploads\/2020\/07\/5342a188195be052d24e6455b6a2f409.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<\/p>\n<h2>Exploatare inteligent\u0103<\/h2>\n<p>\nTrec\u00e2nd la problema exploat\u0103rii re\u021belei, nu se poate s\u0103 nu men\u021bion\u0103m un alt component al brandului umbrel\u0103 iMaster NCE \u2014 analizorul de re\u021bea inteligent FabricInsight. Acesta ofer\u0103 oportunit\u0103\u021bi extinse pentru colectarea telemetriei \u0219i a informa\u021biilor despre fluxurile de date din re\u021bea. Telemetria este colectat\u0103 prin gRPC \u0219i acumuleaz\u0103 date despre pachetele trecute, cele \u00een a\u0219teptare \u0219i cele pierdute. Al doilea set mare de informa\u021bii este agregat prin ERSPAN (Encapsulated Remote Switch Port Analyzer) \u0219i ofer\u0103 o imagine a fluxurilor de date din data center. Practic, este vorba despre colectarea antetelor TCP \u0219i a volumului de informa\u021bie transmis \u00een cadrul fiec\u0103rei sesiuni TCP. Acest lucru poate fi realizat folosind diferite dispozitive Huawei \u2014 lista acestora este prezentat\u0103 \u00een schem\u0103.<\/p>\n<p>Nu sunt uitate nici SNMP \u0219i NetStream, astfel c\u0103 Huawei folose\u0219te at\u00e2t mecanisme vechi, c\u00e2t \u0219i noi, pentru a trece de la o re\u021bea considerat\u0103 \u201ecutie neagr\u0103\u201d la o re\u021bea despre care \u0219tim practic totul.<\/p>\n<p><img decoding=\"async\" alt=\"Huawei DCN: cinci scenarii pentru construirea re\u021belei de centre de date\" src=\"\/wp-content\/uploads\/2020\/07\/3848992743c7a3d2b5c5f957b7400ceb.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<\/p>\n<h2>AI Fabric: re\u021bele inteligente f\u0103r\u0103 pierderi<\/h2>\n<p>\nFunc\u021biile AI Fabric, sus\u021binute de echipamentele noastre, sunt concepute pentru a transforma Ethernet \u00eentr-o re\u021bea de \u00eenalt\u0103 performan\u021b\u0103, cu laten\u021be reduse \u0219i f\u0103r\u0103 pierderi de pachete. Acest lucru este esen\u021bial pentru implementarea scenariilor principale de desf\u0103\u0219urare a aplica\u021biilor \u00een re\u021beaua data center.<\/p>\n<p><img decoding=\"async\" alt=\"Huawei DCN: cinci scenarii pentru construirea re\u021belei de centre de date\" src=\"\/wp-content\/uploads\/2020\/07\/34ccce058878522aa4e4c99bc9912238.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n\u00cen schema de mai sus, vedem problemele cu care exist\u0103 riscul de a ne confrunta \u00een exploatarea re\u021belei:<\/p>\n<ul>\n<li>pierderea pachetelor;<\/li>\n<li>supra\u00eenc\u0103rcarea buffer-elor;<\/li>\n<li>problema \u00eenc\u0103rc\u0103rii optime a re\u021belei atunci c\u00e2nd se utilizeaz\u0103 linkuri paralele.<\/li>\n<\/ul>\n<p>Echipamentele Huawei implementaz\u0103 mecanisme capabile s\u0103 rezolve toate aceste probleme. De exemplu, la nivel de cip este implementat\u0103 tehnologia coadelor virtuale de intrare, care \u00eempiedic\u0103, de asemenea, blocarea la intrare (HOL blocking). <\/p>\n<p>La nivel de protocoale, exist\u0103 mecanismul Dynamic ECN \u2014 modificare dinamic\u0103 a dimensiunii buffer-ului, precum \u0219i Fast CNP \u2014 trimiterea rapid\u0103 c\u0103tre surs\u0103 a pachetelor de mesaje referitoare la problema din re\u021bea.<\/p>\n<p>Egalizarea drepturilor fluxurilor <noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/Elephant_flow\">Elephant<\/a><\/noindex> \u0219i <noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/Mouse_flow\">Mice<\/a><\/noindex> sprijin\u0103 tehnologia Dynamic Packet Prioritization (DPP), care const\u0103 \u00een plasarea fragmentelor scurte de date din diferite fluxuri \u00eentr-o coad\u0103 separat\u0103 cu prioritate ridicat\u0103. Astfel, pachetele scurte \u201esupravie\u021buiesc\u201d mai bine \u00een medii cu fluxuri lungi \u0219i grele.<\/p>\n<p>S\u0103 preciz\u0103m c\u0103, pentru o func\u021bionare eficient\u0103 a mecanismelor men\u021bionate anterior, acestea trebuie s\u0103 fie sus\u021binute direct de echipament.<\/p>\n<p><img decoding=\"async\" alt=\"Huawei DCN: cinci scenarii pentru construirea re\u021belei de centre de date\" src=\"\/wp-content\/uploads\/2020\/07\/15a25ef31ed4e99d92e0a102bf14dae6.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nToate aceste func\u021bii sunt aplicabile \u00een unul dintre cele trei scenarii de utilizare a echipamentelor Huawei:<\/p>\n<ul>\n<li>\u00een construirea sistemelor de inteligen\u021b\u0103 artificial\u0103 bazate pe aplica\u021bii distribuite;<\/li>\n<li>\u00een crearea de sisteme de stocare a datelor distribuite;<\/li>\n<li>\u00een dezvoltarea sistemelor pentru calcul de \u00eenalt\u0103 performan\u021b\u0103 (HPC).<\/li>\n<\/ul>\n<p><img decoding=\"async\" alt=\"Huawei DCN: cinci scenarii pentru construirea re\u021belei de centre de date\" src=\"\/wp-content\/uploads\/2020\/07\/664109c043842d8bef878f7885955b63.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<\/p>\n<h2>Ideile transpuse \u00een \u00abhardware\u00bb<\/h2>\n<p>\nDup\u0103 ce am discutat scenariile tipice de utilizare a solu\u021biilor Huawei \u0219i am enumerat principalele lor caracteristici, s\u0103 trecem direct la echipament.<\/p>\n<p>CloudEngine 16800 este o platform\u0103 care permite func\u021bionarea prin interfe\u021bele de 400 Gbit\/s. Caracteristica sa distinctiv\u0103 este prezen\u021ba, pe l\u00e2ng\u0103 CPU, a unui chip de forwarding propriu \u0219i a unui procesor de inteligen\u021b\u0103 artificial\u0103 necesar pentru implementarea func\u021bionalit\u0103\u021bilor AI Fabric.<\/p>\n<p><img decoding=\"async\" alt=\"Huawei DCN: cinci scenarii pentru construirea re\u021belei de centre de date\" src=\"\/wp-content\/uploads\/2020\/07\/f5a9f3a7f34e32a638566fc240efd234.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nPlatforma este realizat\u0103 pe o arhitectur\u0103 ortogonal\u0103 clasic\u0103 cu un sistem de r\u0103cire front to back \u0219i este livrat\u0103 cu unul dintre cele trei tipuri de carcase \u2013 cu 4 (10U), 8 (16U) sau 16 (32U) sloturi. <\/p>\n<p><img decoding=\"async\" alt=\"Huawei DCN: cinci scenarii pentru construirea re\u021belei de centre de date\" src=\"\/wp-content\/uploads\/2020\/07\/9ff07f9b49f862fe10971a0c64692570.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n\u00cen CloudEngine 16800 pot fi utilizate mai multe tipuri de pl\u0103ci de linie. Printre acestea se num\u0103r\u0103 at\u00e2t pl\u0103ci tradi\u021bionale de 10 gigabi\u021bi, c\u00e2t \u0219i de 40, precum \u0219i de 100 de gigabi\u021bi, inclusiv cele complet noi. Se preconizeaz\u0103 lansarea de pl\u0103ci cu interfe\u021be de 25 \u0219i 400 Gbit\/s.<\/p>\n<p><img decoding=\"async\" alt=\"Huawei DCN: cinci scenarii pentru construirea re\u021belei de centre de date\" src=\"\/wp-content\/uploads\/2020\/07\/4c872b1b10169d0ee03522dcfa76b45f.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n\u00cen ceea ce prive\u0219te switch-urile de tip ToR (Top of rack), modelele lor actuale sunt marcate pe cronologia de mai sus. Cel mai mare interes \u00eel reprezint\u0103 noile modele de 25 de gigabi\u021bi, switch-urile de 100 de gigabi\u021bi cu uplink-uri de 400 de gigabi\u021bi, precum \u0219i cele dense de 100 de gigabi\u021bi cu 96 de porturi.<\/p>\n<p><img decoding=\"async\" alt=\"Huawei DCN: cinci scenarii pentru construirea re\u021belei de centre de date\" src=\"\/wp-content\/uploads\/2020\/07\/27c5f2915796ab6db875497dd901e99c.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nSwitch-ul principal Huawei cu configura\u021bie fix\u0103 deocamdat\u0103 este CloudEngine 8850. \u00cenlocuitorul s\u0103u va fi modelul 8851 cu 32 de interfe\u021be de 100 Gbit\/s \u0219i opt interfe\u021be de 400 Gbit\/s, precum \u0219i cu capacitatea de a le diviza \u00een 50, 100 sau 200 Gbit\/s.<\/p>\n<p><img decoding=\"async\" alt=\"Huawei DCN: cinci scenarii pentru construirea re\u021belei de centre de date\" src=\"\/wp-content\/uploads\/2020\/07\/9e43f610d14387ae7449b74220fbac88.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nUn alt switch cu configura\u021bie fix\u0103, CloudEngine 6865, r\u0103m\u00e2ne deocamdat\u0103 \u00een portofoliul de produse relevante Huawei. Aceasta este o \u201ecald\u0103 de munc\u0103\u201d bine cunoscut\u0103, cu acces de 10 \/ 25 Gbit\/s \u0219i opt uplink-uri de 100 de gigabi\u021bi. De asemenea, sus\u021bine AI Fabric.<\/p>\n<p><img decoding=\"async\" alt=\"Huawei DCN: cinci scenarii pentru construirea re\u021belei de centre de date\" src=\"\/wp-content\/uploads\/2020\/07\/485f8590a9eb87d40f2c9605aa60a788.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<img decoding=\"async\" alt=\"Huawei DCN: cinci scenarii pentru construirea re\u021belei de centre de date\" src=\"\/wp-content\/uploads\/2020\/07\/c41ecc9d4eee2da4838afe5d57e85a61.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n\u00cen diagrame sunt vizibile caracteristicile tuturor noilor modele de switch-uri, a c\u0103ror apari\u021bie o a\u0219tept\u0103m \u00een urm\u0103toarele luni, poate chiar s\u0103pt\u0103m\u00e2ni. Unele \u00eent\u00e2rzieri \u00een lansare sunt legate de situa\u021bia generat\u0103 de coronavirus. De asemenea, r\u0103m\u00e2n relevante \u00eentreb\u0103rile legate de presiunea sanc\u021biunilor asupra companiei Huawei, dar toate aceste evenimente pot afecta exclusiv termenele de premiere.<\/p>\n<p>Informa\u021bii suplimentare despre solu\u021biile Huawei \u0219i op\u021biunile de utilizare sunt u\u0219or de ob\u021binut, abon\u00e2ndu-v\u0103 la seminariile noastre web sau contact\u00e2nd direct reprezentan\u021bii companiei.<\/p>\n<h2>***<\/h2>\n<p>\nV\u0103 reamintim c\u0103 exper\u021bii no\u0219tri organizeaz\u0103 regulat seminarii web despre produsele Huawei \u0219i tehnologiile utilizate \u00een acestea. Lista seminariilor web 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\/509974\/\">habr.com<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0421\u0435\u0433\u043e\u0434\u043d\u044f \u0432 \u0444\u043e\u043a\u0443\u0441\u0435 \u043d\u0430\u0448\u0435\u0433\u043e \u0432\u043d\u0438\u043c\u0430\u043d\u0438\u044f \u043d\u0435 \u0442\u043e\u043b\u044c\u043a\u043e \u043b\u0438\u043d\u0435\u0439\u043a\u0430 \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u043e\u0432 Huawei \u0434\u043b\u044f \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u044f \u0441\u0435\u0442\u0435\u0439 \u0426\u041e\u0414, \u043d\u043e \u0438 \u0442\u043e, \u043a\u0430\u043a \u0441\u0442\u0440\u043e\u0438\u0442\u044c \u043d\u0430 \u0438\u0445 \u043e\u0441\u043d\u043e\u0432\u0435 \u043f\u0440\u043e\u0434\u0432\u0438\u043d\u0443\u0442\u044b\u0435 \u043a\u043e\u043c\u043f\u043b\u0435\u043a\u0441\u043d\u044b\u0435 \u0440\u0435\u0448\u0435\u043d\u0438\u044f. \u041d\u0430\u0447\u043d\u0451\u043c \u0441\u043e \u0441\u0446\u0435\u043d\u0430\u0440\u0438\u0435\u0432, \u043f\u0435\u0440\u0435\u0439\u0434\u0451\u043c \u043a \u043a\u043e\u043d\u043a\u0440\u0435\u0442\u043d\u044b\u043c \u0444\u0443\u043d\u043a\u0446\u0438\u044f\u043c, \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u043c\u044b\u043c \u043e\u0431\u043e\u0440\u0443\u0434\u043e\u0432\u0430\u043d\u0438\u0435\u043c, \u0430 \u0437\u0430\u043a\u043e\u043d\u0447\u0438\u043c \u043e\u0431\u0437\u043e\u0440\u043e\u043c \u043a\u043e\u043d\u043a\u0440\u0435\u0442\u043d\u044b\u0445 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043c\u043e\u0433\u0443\u0442 \u043b\u0435\u0447\u044c \u0432 \u043e\u0441\u043d\u043e\u0432\u0443 \u0441\u043e\u0432\u0440\u0435\u043c\u0435\u043d\u043d\u044b\u0445 \u0426\u041e\u0414\u043e\u0432 \u0441 \u0432\u044b\u0441\u043e\u0447\u0430\u0439\u0448\u0438\u043c \u0443\u0440\u043e\u0432\u043d\u0435\u043c \u0430\u0432\u0442\u043e\u043c\u0430\u0442\u0438\u0437\u0430\u0446\u0438\u0438 \u0441\u0435\u0442\u0435\u0432\u044b\u0445 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0432. \u041a\u0430\u043a\u0438\u043c\u0438 \u0431\u044b \u0432\u043f\u0435\u0447\u0430\u0442\u043b\u044f\u044e\u0449\u0438\u043c\u0438 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":87677,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-87676","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0421\u0435\u0433\u043e\u0434\u043d\u044f \u0432 \u0444\u043e\u043a\u0443\u0441\u0435 \u043d\u0430\u0448\u0435\u0433\u043e \u0432\u043d\u0438\u043c\u0430\u043d\u0438\u044f \u043d\u0435 \u0442\u043e\u043b\u044c\u043a\u043e \u043b\u0438\u043d\u0435\u0439\u043a\u0430 \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u043e\u0432 Huawei \u0434\u043b\u044f \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u044f \u0441\u0435\u0442\u0435\u0439 \u0426\u041e\u0414, 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