{"id":54228,"date":"2019-12-21T00:00:00","date_gmt":"2019-12-20T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/gde-i-kak-primenyayutsya-granichnye-servery"},"modified":"2020-02-18T14:02:13","modified_gmt":"2020-02-18T11:02:13","slug":"gde-i-kak-primenyayutsya-granichnye-servery","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/administrirovanie\/gde-i-kak-primenyayutsya-granichnye-servery","title":{"rendered":"Kus ja kuidas kasutatakse piiriservereid","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" alt=\"Kus ja kuidas kasutatakse piiriservereid\" src=\"\/wp-content\/uploads\/2019\/12\/c4f3df5c9efe4875512386e5519340a5.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nV\u00f5rguinfrastruktuuri arendamisel kaalutakse tavaliselt kas kohalikke arvutusi v\u00f5i pilve. Kuid neid kahte varianti ja nende kombinatsioone on v\u00e4he. N\u00e4iteks, mida teha, kui pilve arvutustest loobuda ei saa, kuid ribalaiusest ei piisa v\u00f5i liiklus on liiga kallis?<\/p>\n<p>Lisada vahepealne l\u00fcli, mis teostab osa arvutustest kohaliku v\u00f5rgu v\u00f5i tootmisprotsessi piiril. Seda servaaluste kontseptsiooni nimetatakse Edge Computing \u2014 \u201epiirarvutused\u201c. Kontseptsioon t\u00e4iendab olemasolevat pilveandmete kasutusmudelit, ja selles artiklis vaatleme vajalikke seadmeid ja n\u00e4idis\u00fclesandeid selle jaoks.<br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<h2>Edge computing tasemed<\/h2>\n<p>\n<img decoding=\"async\" alt=\"Kus ja kuidas kasutatakse piiriservereid\" src=\"\/wp-content\/uploads\/2019\/12\/3e7668732a316af6c36afb3d8b946607.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nOletame, et teil on kodus terve hulk andureid: termomeeter, h\u00fcgromeeter, valgustuse andur, leketuvastajad jne. Loogiline kontroller t\u00f6\u00f6tleb neist saadud teavet, rakendab automatiseerimise stsenaariume, edastab pilveteenusele t\u00f6\u00f6deldud telemeetriat ning saab sealt uuendatud automatiseerimise stsenaariume ja v\u00e4rsked p\u00fcsivara uuendused. Nii teostatakse objektil kohalikud arvutused, kuid seadmeid kontrollitakse keskuses, mis \u00fchendab selliseid seadmeid.\u00a0<\/p>\n<p>See on n\u00e4ide v\u00e4ga lihtsast piirirakenduste s\u00fcsteemist, kuid selles on juba n\u00e4htavad k\u00f5ik kolm edge computing taset:<\/p>\n<ul>\n<li>IoT-seadmed: genereerivad \u201etooreid andmeid\u201c ja edastavad neid erinevate protokollide kaudu.\u00a0<\/li>\n<li>Piiralused: t\u00f6\u00f6tlevad andmeid vahetult informatsiooni allikate l\u00e4hedal ja toimivad ajutiste andmesalvestustena.<\/li>\n<li>Pilveteenused: pakuvad juhtimisfunktsioone nii piirialuste kui ka IoT-seadmete jaoks, teevad pikaajalist andmete s\u00e4ilitamist ja anal\u00fc\u00fcsi. Lisaks toetavad nad integreerimist teiste ettev\u00f5ttes\u00fcsteemidega.\u00a0<\/li>\n<\/ul>\n<p>\nPiirarvutuste kontseptsioon ise on osa suurest \u00f6kos\u00fcsteemist, mis optimeerib tehnoloogilisi protsesse. See h\u00f5lmab nii riistvarapoolt (riiuliserverid ja piiriserverid) kui ka v\u00f5rgupoolt ja tarkvara (n\u00e4iteks platvorm<noindex><a rel=\"nofollow\" href=\"https:\/\/atos.net\/ru\/russia\/products\/codex-ai-suite\"> Codex AI Suite<\/a><\/noindex> tehis AI algoritmide arendamiseks). Kuna \"pudeli kael\" v\u00f5ib tekkida suurte andmete loomise, edastamise ja t\u00f6\u00f6tlemise k\u00e4igus ning piirata kogu s\u00fcsteemi j\u00f5udlust, peavad need osad olema omavahel \u00fchilduvad.<\/p>\n<h2>Piiriserverite omadused<\/h2>\n<p>\nServcomputing tasandil kasutatakse piiriservereid, mis paigaldatakse otse sinna, kus teavet genereeritakse. Need on tavaliselt tootmis- v\u00f5i tehnilised ruumid, kus serveririiulit ei saa paigaldada ja puhtust tagada. Seega on piiriserverid kompaktses, tolmu- ja niiskuskindlates korpustes, millel on lai temperatuurivahemik, ja neid ei saa riiulisse paigutada. Jah, selline server v\u00f5ib rahulikult riputada kahepoolsel teibi ankurduses kuskil trepi all v\u00f5i laos.<\/p>\n<p>Kuna piiriserverid paigaldatakse v\u00e4ljaspool kaitstud andmekeskusi, on nende f\u00fc\u00fcsilise turvalisuse n\u00f5uded k\u00f5rgemad. Neile on ette n\u00e4htud kaitsekonteinerid:<\/p>\n<p><img decoding=\"async\" alt=\"Kus ja kuidas kasutatakse piiriservereid\" src=\"\/wp-content\/uploads\/2019\/12\/e38f5460732cf0c44702e4e3dbcd97cc.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nAndmetega t\u00f6\u00f6tamise tasandil on piiriserverites ette n\u00e4htud kettade kr\u00fcpteerimine ja kaitstud k\u00e4ivitus. Kr\u00fcpteerimine v\u00f5tab enda alla 2-3% arvutuslikust v\u00f5imsusest, kuid piiriserverites kasutatakse tavaliselt Xeon D protsessoreid, millel on sisseehitatud AES-i kiirusmodul, mis minimeerib v\u00f5imekuse kadu.<\/p>\n<h2>Kui piiriservereid rakendatakse<\/h2>\n<p>\n<img decoding=\"async\" alt=\"Kus ja kuidas kasutatakse piiriservereid\" src=\"\/wp-content\/uploads\/2019\/12\/a5724cef018cb5478f3a77be3ac97847.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nServcomputing puhul saadetakse andmekeskusesse t\u00f6\u00f6tlemiseks vaid need andmed, mida ei saa v\u00f5i ei ole m\u00f5istlik teisiti t\u00f6\u00f6delda. Seega rakendatakse piiriservereid, kui on vaja:<\/p>\n<ul>\n<li>Paindlikku l\u00e4henemist turvalisusele, kuna servcomputingu korral saab seadistada andmete edastamise keskse andmekeskusesse eelnevalt t\u00f6\u00f6deldud ja ettevalmistatud teabega;\u00a0\n<\/li>\n<li>Teabe kaotsimineku kaitset, kuna keskusega \u00fchenduse kadumise korral kohalikud s\u00f5lmed koguvad teavet;\u00a0\n<\/li>\n<li>Trafiku kokkuhoidu, see saavutatakse p\u00f5hiandmete kohapealse t\u00f6\u00f6tlemisega.\u00a0\n<\/li>\n<\/ul>\n<p><\/p>\n<h2>Servcomputing trafiku kokkuhoiuks<\/h2>\n<p>\n<img decoding=\"async\" alt=\"Kus ja kuidas kasutatakse piiriservereid\" src=\"\/wp-content\/uploads\/2019\/12\/e0a85558ced9a87776423cba06659bda.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nTaani ettev\u00f5te Maersk \u2014 \u00fcks maailma juhtivaid merekaubaveo ettev\u00f5tteid \u2014 otsustas v\u00e4hendada oma laevade k\u00fctuse tarbimist ja v\u00e4hendada keskkonna saasteheiteid.\u00a0<\/p>\n<p>Selle probleemi lahendamiseks kasutati tehnoloogiat <noindex><a rel=\"nofollow\" href=\"https:\/\/new.siemens.com\/global\/en\/markets\/marine\/innovations.html\">Siemens EcoMain Suite<\/a><\/noindex>, andurid mootorites ja laeva peamistel komponentidel, samuti kohaliku serveri BullSequana Edge jaoks arvutamiseks \"kohapeal\".\u00a0<\/p>\n<p>T\u00e4nu anduritele j\u00e4lgib s\u00fcsteem EcoMain Suite pidevalt laeva kriitiliste komponentide seisundit ja nende k\u00f5rvalekaldeid eelnevalt arvutatud normist. See v\u00f5imaldab kiiresti diagnoosida rikke ja lokaliseerida probleemi kuni probleemse komponendini. Kuna telemeetriat edastatakse pidevalt \"keskusesse\", saab teenindustehnik teha anal\u00fc\u00fcsi kaugelt ja anda soovitusi pardameeskonnale. Ja peamine k\u00fcsimus on \u2014 kui palju andmeid ja mis mahus tuleks keskse andmekeskusesse edastada.\u00a0<\/p>\n<p>Kuna odava kaabli\u00fchenduse loomine merelaevadele on v\u00e4ga keeruline, tekivad keskserverisse suurte toorandmete edastamine liiga kalliks. Keskserveris BullSequana S200 arvutatakse laeva \u00fcldine loogiline mudel, samas kui andmete t\u00f6\u00f6tlemine ja otsene juhtimine antakse kohaliku serveri hooleks. Tulemusena tasus selle s\u00fcsteemi rakendamine end kolme kuu jooksul.<\/p>\n<h2>\u00c4\u00e4rmuslik arvutus ressursside s\u00e4\u00e4stmiseks<\/h2>\n<p>\n<img decoding=\"async\" alt=\"Kus ja kuidas kasutatakse piiriservereid\" src=\"\/wp-content\/uploads\/2019\/12\/0ea8fb0bccf0cdb79ef23e1346876884.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nVeel \u00fcks n\u00e4ide \u00e4\u00e4rmuslikest arvutustest on videote anal\u00fc\u00fcs. N\u00e4iteks tehniliste gaaside seadmete tootjal Air Liquide on tootmisprotsessi kohalike \u00fclesannete hulgas gaasiballoonide v\u00e4rvimise kvaliteedi kontroll. See toimus k\u00e4sitsi ja \u00fche ballooni kohta kulus keskmiselt umbes 7 minutit.<\/p>\n<p>Selle protsessi kiirendamiseks asendati inimene seitsme k\u00f5rglahutusega kaameraga. Kaamerad filmivad ballooni mitmest k\u00fcljest, genereerides umbes 1 GB videot minutis. Video saadetakse \u00e4\u00e4rmuslikku serverisse BullSequana Edge koos Nvidia T4-ga, millel on treenitud n\u00e4rviv\u00f5rk defektide tuvastamiseks, anal\u00fc\u00fcsib voogu reaalajas. Tulemuseks on keskmise kontrolli aeg v\u00e4henenud mitmest minutist mitme sekundini.<\/p>\n<h2>\u00c4\u00e4rmuslik arvutus anal\u00fc\u00fctikas<\/h2>\n<p>\n<img decoding=\"async\" alt=\"Kus ja kuidas kasutatakse piiriservereid\" src=\"\/wp-content\/uploads\/2019\/12\/469c0b33b65da66cc3f5ecac3dcb1bb8.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nAtraktiivsus Disneylandis ei ole mitte ainult l\u00f5bu, vaid ka keeruline tehniline objekt. N\u00e4iteks \"Ameerika m\u00e4gedes\" on paigaldatud umbes 800 erinevat andurit. Need saadavad pidevalt serverisse andmeid atraktiivsuse t\u00f6\u00f6 kohta, samas kui kohaliku serveri kaudu t\u00f6\u00f6deldakse neid andmeid, arvutades v\u00e4lja t\u00f5en\u00e4osuse, et atraktsioon v\u00f5ib rikki minna, ja anname sellest m\u00e4rku keskse andmekeskuse kaudu.\u00a0<\/p>\n<p>Selle teabe p\u00f5hjal m\u00e4\u00e4ratakse tehnilise rikke t\u00f5en\u00e4osus ja k\u00e4ivitatakse ennetav remont. Atraktiivne seade t\u00f6\u00f6tab kuni t\u00f6\u00f6p\u00e4eva l\u00f5puni, samas kui remont on juba dokumenteeritud ja t\u00f6\u00f6tajad parandavad seadet \u00f6\u00f6sel.\u00a0<\/p>\n<h2>BullSequana Edge\u00a0<\/h2>\n<p>\n<img decoding=\"async\" alt=\"Kus ja kuidas kasutatakse piiriservereid\" src=\"\/wp-content\/uploads\/2019\/12\/72006ca009c56e573453bf2fa0189b14.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nBullSequana Edge serverid on osa suurest infrastruktuurist suurte andmete t\u00f6\u00f6tlemiseks ja need on juba testitud Microsoft Azure'i ja Siemens MindSphere'i, VMware WSX-i platvormidega ning omavad NVidia NGC\/EGX sertifikaate. Need serverid on spetsiaalselt loodud \u00e4\u00e4reline arvutuste jaoks ja neid toodetakse U2 vormiteguriga korpustes, mis on m\u00f5eldud paigaldamiseks standardkappi, DIN-railile, seinale ja p\u00f5randamudelina.\u00a0<\/p>\n<p>BullSequana Edge on ehitatud oma disainiga emaplaadile ja Intel Xeon D-2187NT protsessorile. Need toetavad kuni 512 GB t\u00f6\u00f6tava m\u00e4lu installimist, 2 SSD-d mahuga 960 GB v\u00f5i 2 HDD-d mahuga 8 v\u00f5i 14 TB. Lisaks saab installida 2 Nvidia T4 16 GB GPU-d video t\u00f6\u00f6tlemiseks; Wi-Fi, LoRaWAN ja 4G moodulid; kuni 2 10-gigabitist SFP moodulit. Igas serveris on juba paigaldatud kate avamise sensor, mis on \u00fchendatud BMC-iga, mis juhib IPMI moodulit. Seda saab seadistada toiteautomaatikaks sensorite aktiveerimise korral.\u00a0<\/p>\n<p>BullSequana Edge serverite t\u00e4ielike tehniliste omaduste leidmiseks k\u00fclastage <noindex><a rel=\"nofollow\" href=\"https:\/\/atos.net\/wp-content\/uploads\/2019\/12\/BullSequana-Edge.pdf\">lingil<\/a><\/noindex>. Kui olete huvitatud \u00fcksikasjadest, vastame me meeleldi teie k\u00fcsimustele kommentaarides.<br \/>\n<br \/>Allikas: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/bull\/blog\/481120\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u0440\u0438 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0435 \u0441\u0435\u0442\u0435\u0432\u043e\u0439 \u0438\u043d\u0444\u0440\u0430\u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u044b \u043e\u0431\u044b\u0447\u043d\u043e \u0440\u0430\u0441\u0441\u043c\u0430\u0442\u0440\u0438\u0432\u0430\u044e\u0442 \u043b\u0438\u0431\u043e \u043b\u043e\u043a\u0430\u043b\u044c\u043d\u044b\u0435 \u0432\u044b\u0447\u0438\u0441\u043b\u0435\u043d\u0438\u044f, \u043b\u0438\u0431\u043e \u043e\u0431\u043b\u0430\u0447\u043d\u044b\u0435. \u041d\u043e \u044d\u0442\u0438\u0445 \u0434\u0432\u0443\u0445 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\u043f\u0440\u043e\u043c\u0435\u0436\u0443\u0442\u043e\u0447\u043d\u043e\u0435 \u0437\u0432\u0435\u043d\u043e, \u043a\u043e\u0442\u043e\u0440\u043e\u0435 \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442 \u0447\u0430\u0441\u0442\u044c \u0432\u044b\u0447\u0438\u0441\u043b\u0435\u043d\u0438\u0439 \u043d\u0430 \u0433\u0440\u0430\u043d\u0438\u0446\u0435 \u043b\u043e\u043a\u0430\u043b\u044c\u043d\u043e\u0439 \u0441\u0435\u0442\u0438 \u0438\u043b\u0438 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0441\u0442\u0432\u0435\u043d\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0430. \u042d\u0442\u0430 \u043f\u0435\u0440\u0438\u0444\u0435\u0440\u0438\u0439\u043d\u0430\u044f \u043a\u043e\u043d\u0446\u0435\u043f\u0446\u0438\u044f [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-54228","post","type-post","status-publish","format-standard","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u0440\u0438 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0435 \u0441\u0435\u0442\u0435\u0432\u043e\u0439 \u0438\u043d\u0444\u0440\u0430\u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u044b \u043e\u0431\u044b\u0447\u043d\u043e.\" \/>\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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