{"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 piiri servereid","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" alt=\"Kus ja kuidas kasutatakse piiri servereid\" src=\"\/wp-content\/uploads\/2019\/12\/c4f3df5c9efe4875512386e5519340a5.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nV\u00f5rgu infrastruktuuri arendamisel kaalutakse tavaliselt kas kohalikku arvutust v\u00f5i pilveteenuseid. Kuid neid kahte varianti ja nende kombinatsioone on v\u00e4he. N\u00e4iteks, mida teha, kui pilvearvutustest loobuda ei saa, kuid ribalaius on liiga v\u00e4ike v\u00f5i liiklus on liiga kallis?<\/p>\n<p>Lisage vaheaste, mis teostab osa arvutustest kohaliku v\u00f5rgu v\u00f5i tootmisprotsessi piiril. Seda servaarvutuse kontseptsiooni nimetatakse Edge Computing ehk \"piiriv\u00f5rgu arvutamine\". See kontseptsioon t\u00e4iendab olemasolevat pilveandmete mudelit ja selles artiklis vaatleme vajalikku riistvara ning n\u00e4iteid \u00fclesannetest 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 piiri servereid\" src=\"\/wp-content\/uploads\/2019\/12\/3e7668732a316af6c36afb3d8b946607.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nV\u00f5tame n\u00e4iteks, et kodus on teil palju Sensoreid: termomeeter, h\u00fcgromeeter, valgusandur, leketuvastajad ja muud. Loogikakontroller t\u00f6\u00f6tleb nendest saadud teavet, rakendab automatiseerimise stsenaariume, edastab pilveteenusele t\u00f6\u00f6deldud telemeetriat ja saab tagasi uuendatud automatiseerimise stsenaariumid ning v\u00e4rsked p\u00fcsivara. Nii teostatakse objekti peal lokaalsed arvutused, kuid seadmeid hallatakse s\u00f5lme kaudu, mis \u00fchendab mitmeid selliseid seadmeid.\u00a0<\/p>\n<p>See on n\u00e4ide v\u00e4ga lihtsast piiriarvutuste s\u00fcsteemist, kuid juba on n\u00e4htavad k\u00f5ik kolm taset edge computing:<\/p>\n<ul>\n<li>IoT-seadmed: genereerivad \"toored andmed\" ja edastavad neid erinevate protokollide kaudu.\u00a0<\/li>\n<li>Servaseotud s\u00f5lmed: t\u00f6\u00f6tlevad andmeid otseselt allikate l\u00e4heduses ja toimivad ajutiste andmehoidlatena.<\/li>\n<li>Pilveteenused: pakuvad haldustoiminguid nii serva- kui IoT-seadmete jaoks, teostavad pikaajalist andmete salvestamist ja anal\u00fc\u00fcsi. Lisaks toetavad nad integratsiooni teiste ettev\u00f5tte s\u00fcsteemidega.\u00a0<\/li>\n<\/ul>\n<p>\nEdge computing'i kontseptsioon on osa suurest \u00f6kos\u00fcsteemist, mis optimeerib tehnoloogilisi protsesse. See h\u00f5lmab nii riistvara (serverid ja \u00e4\u00e4re-serverid) kui ka v\u00f5rgu- ja tarkvarakomponente (n\u00e4iteks platvorme algoritmide arendamiseks).<noindex><a rel=\"nofollow\" href=\"https:\/\/atos.net\/ru\/russia\/products\/codex-ai-suite\"> Codex AI Suite<\/a><\/noindex> AI algoritmide arendamiseks). Kuna suurte andmete loomisel, edastamisel ja t\u00f6\u00f6tlemisel v\u00f5ib tekkida \u201epudelikael\u201c, mis piirab kogu s\u00fcsteemi j\u00f5udlust, peavad need osad omavahel sobima.<\/p>\n<h2>\u00c4\u00e4re-serverite omadused<\/h2>\n<p>\n\u00c4\u00e4rekomponendi tasandil kasutatakse Edge Computingus \u00e4\u00e4re-servereid, mis paigutatakse just sinna, kus teavet genereeritakse. Need asuvad tavaliselt tootmis- v\u00f5i tehnilistes ruumides, kus serveririiuli paigaldamine ja puhtuse tagamine ei ole v\u00f5imalik. Seega on \u00e4\u00e4re-serverid kompaktses tolmu- ja niiskuskindlates korpustes, millel on lai temperatuurivahemik, ja neid ei saa paigutada riiulisse. Jah, selline server v\u00f5ib kenasti riputada kahepoolse teibi ankurduspunktide k\u00fclge kuskil trepi all v\u00f5i abiruumi.<\/p>\n<p>Kuna piiril olevad serverid on paigaldatud v\u00e4ljaspool kaitstud andmekeskusi, peavad nad j\u00e4rgima k\u00f5rgemaid f\u00fc\u00fcsilise turvalisuse n\u00f5udeid. Nende jaoks on ette n\u00e4htud kaitsekonteinerid:<\/p>\n<p><img decoding=\"async\" alt=\"Kus ja kuidas kasutatakse piiri servereid\" src=\"\/wp-content\/uploads\/2019\/12\/e38f5460732cf0c44702e4e3dbcd97cc.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nAndmete t\u00f6\u00f6tlemise tasandil piiril olevates serverites on ette n\u00e4htud kettade kr\u00fcpteerimine ja turvaline k\u00e4ivitamine. Kr\u00fcpteerimine v\u00e4hendab protsessorite v\u00f5imsust 2-3%, kuid piiril olevates serverites kasutatakse tavaliselt Xeon D protsessoreid, millel on AES-i kiiruskaardimoodul, mis minimeerib v\u00f5imu kaotusi.<\/p>\n<h2>Kui kasutatakse piiril olevate serverite<\/h2>\n<p>\n<img decoding=\"async\" alt=\"Kus ja kuidas kasutatakse piiri servereid\" src=\"\/wp-content\/uploads\/2019\/12\/a5724cef018cb5478f3a77be3ac97847.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nEdge Computing t\u00f5ukab andmeid andmekeskusesse t\u00f6\u00f6tlemiseks vaid nendel andmetel, mida ei saa muul viisil v\u00f5i pole m\u00f5istlik t\u00f6\u00f6sse v\u00f5tta. Seega kasutatakse piiril olevaid servereid siis, kui on vajalik:<\/p>\n<ul>\n<li>Paindlik l\u00e4henemine turvalisusele, kuna Edge Computing'i puhul saab ette seada kesktasandi andmekeskusesse edastatava ettevalmistatud ja t\u00f6\u00f6deldud teabe;\u00a0\n<\/li>\n<li>Kaitse teabe kadumise eest, kuna \u00fchenduse kadumise korral koguvad kohalikud s\u00f5lmed teavet;\u00a0\n<\/li>\n<li>Trahvi s\u00e4\u00e4stmine, mis saavutatakse p\u00f5hiandmete t\u00f6\u00f6tlemise kaudu kohapeal.\u00a0\n<\/li>\n<\/ul>\n<p><\/p>\n<h2>Edge computing trafiku s\u00e4\u00e4stmiseks<\/h2>\n<p>\n<img decoding=\"async\" alt=\"Kus ja kuidas kasutatakse piiri servereid\" src=\"\/wp-content\/uploads\/2019\/12\/e0a85558ced9a87776423cba06659bda.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nTaani ettev\u00f5te Maersk on \u00fcks maailma juhtivaid meretranspordi ettev\u00f5tteid, kes otsustas v\u00e4hendada oma laevade k\u00fctusekasutust ja v\u00e4hendada heitkoguseid atmosf\u00e4\u00e4ri.\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>, andureid mootoreid ning laeva p\u00f5hikomponente, samuti kohalikku BullSequana Edge serverit kohapealsete arvutuste tegemiseks.\u00a0<\/p>\n<p>T\u00e4nu anduritele j\u00e4lgib EcoMain Suite pidevalt laeva kriitiliste komponentide seisundit ja nende k\u00f5rvalekaldeid eelnevalt arvutatud normist. See v\u00f5imaldab kiiresti diagnoosida rikke ja lokaliseerida selle probleemse komponendini. Kuna telemeetria edastatakse pidevalt \u201ekeskusesse\u201c, saab teenindustehnik teha anal\u00fc\u00fcsi kaugelt ja anda soovitusi meeskonnale. Peamine k\u00fcsimus on - kui palju andmeid ja millises mahus edastada kesksele andmekeskusele.\u00a0<\/p>\n<p>Kuna odava kaabli\u00fchenduse loomine mereteenuse konteinerlaevaga on \u00e4\u00e4rmiselt keeruline, on suurte tooredate andmete edastamine keskserverisse liiga kallis. BullSequana S200 keskserveris arvutatakse laeva \u00fcldine loogiline mudel ning andmete t\u00f6\u00f6tlemine ja otsene juhtimine antakse edasi kohalikule serverile. Tulemuseks on see, et s\u00fcsteemi rakendamine tasus end \u00e4ra kolme kuu jooksul.<\/p>\n<h2>Serva arvutamine ressursside s\u00e4\u00e4stmiseks<\/h2>\n<p>\n<img decoding=\"async\" alt=\"Kus ja kuidas kasutatakse piiri servereid\" src=\"\/wp-content\/uploads\/2019\/12\/0ea8fb0bccf0cdb79ef23e1346876884.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nVeel \u00fcks n\u00e4ide serva arvutamisest on videote anal\u00fc\u00fcs. N\u00e4iteks tehniliste gaaside varustaja Air Liquide kohalike tootmisprotsesside \u00fclesanne on gaasiballoonide v\u00e4rvimise kvaliteedi kontroll. See toimus k\u00e4sitsi ja v\u00f5ttis umbes 7 minutit \u00fche ballooni kohta.<\/p>\n<p>Selle protsessi kiirendamiseks asendati inimene seitsme k\u00f5rglahutuskaameraga. Kaamerad filmivad ballooni erinevatest nurkadest, genereerides umbes 1 GB videot minutis. Video saadetakse servakontsernile BullSequana Edge, millel on pardal Nvidia T4, kus n\u00e4rviv\u00f5rk, mis on v\u00e4lja koolitatud defektide otsimiseks, anal\u00fc\u00fcsib voogu reaalajas. Tulemuseks on keskmise kontrolli aeg l\u00fchenenud minutite pealt sekunditeni.<\/p>\n<h2>Servarvutus anal\u00fc\u00fctikas<\/h2>\n<p>\n<img decoding=\"async\" alt=\"Kus ja kuidas kasutatakse piiri servereid\" src=\"\/wp-content\/uploads\/2019\/12\/469c0b33b65da66cc3f5ecac3dcb1bb8.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nDisneylendist tehtavad atraktsioonid ei ole vaid l\u00f5bu, vaid ka keeruline tehniline objekt. N\u00e4iteks \u201eAmeerika m\u00e4gedel\u201c on ligi 800 erinevat andurit. Need edastavad pidevalt serverisse andmeid atraktsiooni t\u00f6\u00f6 kohta, samas kui kohalik server t\u00f6\u00f6tleb neid andmeid, arvutab t\u00f5en\u00e4osuse, et atraktsioon v\u00f5ib rikkeks minna, ja teavitab sellest keskset andmekeskust.\u00a0<\/p>\n<p>Nende andmete p\u00f5hjal m\u00e4\u00e4ratakse tehnilise rikke t\u00f5en\u00e4osus ja k\u00e4ivitatakse ennetav remont. Atraktsioon t\u00f6\u00f6tab edasi kuni t\u00f6\u00f6p\u00e4eva l\u00f5puni, samal ajal kui remondi t\u00f6\u00f6plaan on juba koostatud ning t\u00f6\u00f6tajad parandavad atraktsiooni \u00f6\u00f6sel.\u00a0<\/p>\n<h2>BullSequana Edge\u00a0<\/h2>\n<p>\n<img decoding=\"async\" alt=\"Kus ja kuidas kasutatakse piiri servereid\" src=\"\/wp-content\/uploads\/2019\/12\/72006ca009c56e573453bf2fa0189b14.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nBullSequana Edge serverid on osa laiemast infrastruktuurist \u201esuure andmete\u201c t\u00f6\u00f6tlemiseks. Need on juba testitud Microsoft Azure'i ja Siemens MindSphere'i, VMware WSX-iga ning neil on NVidia NGC\/EGX sertifikaadid. Need serverid on spetsiaalselt loodud servaarvutamiseks ja neid toodetakse U2 formaadikorpustes, mis on m\u00f5eldud paigaldamiseks standardsetesse rack-ide, DIN-raudtele, seinale ja p\u00f5randaversioonina.\u00a0<\/p>\n<p>BullSequana Edge on ehitatud enda kujundatud emaplaadile ja Intel Xeon D-2187NT protsessorile. Need toetavad kuni 512 GB RAM-i paigaldamist, 2 SSD-d, iga\u00fche maht 960 GB v\u00f5i 2 HDD, mille maht on 8 v\u00f5i 14 TB. Samuti on v\u00f5imalik paigaldada 2 Nvidia T4 16 GB GPU-d videot\u00f6\u00f6tluseks; Wi-Fi, LoRaWAN ja 4G moodulid; kuni 2 10-gigabitist SFP moodulit. Serverites on juba paigaldatud katte avamise andur, mis on \u00fchendatud BMC-ga, mis haldab IPMI moodulit. Seda saab seadistada automaatseks toitev\u00e4ljal\u00fclitamiseks anduri aktiveerimisel.\u00a0<\/p>\n<p>BullSequana Edge serverite t\u00e4ielikud tehnilised omadused leiate aadressilt <noindex><a rel=\"nofollow\" href=\"https:\/\/atos.net\/wp-content\/uploads\/2019\/12\/BullSequana-Edge.pdf\">lingi kaudu<\/a><\/noindex>. Kui teid huvitavad \u00fcksikasjad, oleme valmis vastama 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 \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u043e\u0432 \u0438 \u0438\u0445 \u043a\u043e\u043c\u0431\u0438\u043d\u0430\u0446\u0438\u0439 \u043c\u0430\u043b\u043e. \u041d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u0447\u0442\u043e \u0434\u0435\u043b\u0430\u0442\u044c, \u0435\u0441\u043b\u0438 \u043e\u0442 \u043e\u0431\u043b\u0430\u0447\u043d\u044b\u0445 \u0432\u044b\u0447\u0438\u0441\u043b\u0435\u043d\u0438\u0439 \u043e\u0442\u043a\u0430\u0437\u0430\u0442\u044c\u0441\u044f \u043d\u0435\u043b\u044c\u0437\u044f, \u0430 \u043f\u0440\u043e\u043f\u0443\u0441\u043a\u043d\u043e\u0439 \u0441\u043f\u043e\u0441\u043e\u0431\u043d\u043e\u0441\u0442\u0438 \u043d\u0435 \u0445\u0432\u0430\u0442\u0430\u0435\u0442 \u0438\u043b\u0438 \u0442\u0440\u0430\u0444\u0438\u043a \u0441\u0442\u043e\u0438\u0442 \u0441\u043b\u0438\u0448\u043a\u043e\u043c \u0434\u043e\u0440\u043e\u0433\u043e? 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