{"id":50260,"date":"2022-10-27T13:15:36","date_gmt":"2022-10-27T12:15:36","guid":{"rendered":"https:\/\/www.soitron.com\/?p=50260"},"modified":"2022-10-28T09:24:23","modified_gmt":"2022-10-28T08:24:23","slug":"softwarove-definovane-site","status":"publish","type":"post","link":"https:\/\/new.soitron.com\/cs\/softwarove-definovane-site\/","title":{"rendered":"Softwarov\u011b definovan\u00e9 s\u00edt\u011b: Kdy\u017e \u017eelezo nest\u00edh\u00e1"},"content":{"rendered":"\n<p><strong>S\u00ed\u0165ov\u00fd provoz ve firm\u00e1ch roste raketov\u00fdm tempem. Radik\u00e1ln\u011b p\u0159ib\u00fdv\u00e1 u\u017eivatel\u016f a p\u0159ipojovan\u00fdch za\u0159\u00edzen\u00ed. Aplikace i slu\u017eby se p\u0159esouvaj\u00ed do cloudu. To vytv\u00e1\u0159\u00ed tlak na s\u00edt\u011b, kter\u00e9 ve sv\u00e9 tradi\u010dn\u00ed architektu\u0159e nar\u00e1\u017eej\u00ed na limity. Softwarov\u011b definovan\u00e9 s\u00edt\u011b p\u0159edstavuj\u00ed cestu ke zjednodu\u0161en\u00ed nasazen\u00ed a spr\u00e1vy a k&nbsp;\u00faspo\u0159e n\u00e1klad\u016f na hardware a p\u0159enosov\u00e9 linky.<\/strong><\/p>\n\n\n\n<p>Vznik <a href=\"https:\/\/dxr.short.gy\/CiscoSDN\">softwarov\u011b definovan\u00fdch s\u00edt\u00ed<\/a> si vynutila digitalizace, kter\u00e1 prorostla prakticky do v\u0161ech oblast\u00ed byznysu. Firmy jsou nyn\u00ed \u0161iroce otev\u0159eny do okol\u00ed a vy\u017eaduj\u00ed \u00fazkou integraci slu\u017eeb a&nbsp;aplikac\u00ed vevnit\u0159 i sm\u011brem ven. Typicky v&nbsp;oblasti vyu\u017e\u00edv\u00e1n\u00ed software as-a-service (SaaS) n\u00e1stroj\u016f jako MS Office 365, Azure, Webex, CRM n\u00e1stroj\u016f a \u0159ady dal\u0161\u00edch. Rovn\u011b\u017e zam\u011bstnanci u\u017e netr\u00e1v\u00ed osm hodin za stolem v&nbsp;kancel\u00e1\u0159i, ale p\u0159ipojuj\u00ed se z&nbsp;domova nebo jin\u00fdch m\u00edst. Ve stavu, kdy se v\u0161ichni za\u010dnou p\u0159ipojovat do aplikac\u00ed p\u0159es perimetr firmy, m\u016f\u017ee se st\u00e1t situace ne\u00fanosnou.<\/p>\n\n\n\n<p>Tradi\u010dn\u00ed zp\u016fsob designu s\u00edt\u00ed nar\u00e1\u017e\u00ed na sv\u00e9 limity p\u0159edev\u0161\u00edm v&nbsp;mo\u017enostech \u0161k\u00e1lovatelnosti. Technologie softwarov\u011b definovan\u00fdch s\u00edt\u00ed (SDN) p\u0159edstavuje z\u00e1sadn\u00ed zm\u011bnu v&nbsp;p\u0159\u00edstupu k&nbsp;\u0159\u00edzen\u00ed a spr\u00e1v\u011b s\u00edt\u00ed. SDN odd\u011bluje vrstvu pro data a pro \u0159\u00edzen\u00ed. V&nbsp;\u0159\u00edd\u00edc\u00ed softwarov\u011b definovan\u00e9 vrstv\u011b pak uplat\u0148ujeme ve\u0161ker\u00e9 pokyny pro jej\u00ed fungov\u00e1n\u00ed, bezpe\u010dnostn\u00ed politiky, nastaven\u00ed u\u017eivatelsk\u00fdch p\u0159\u00edstup\u016f nebo aktualizace. N\u00e1strojem, kter\u00fd zajist\u00ed distribuci p\u0159\u00edkaz\u016f do cel\u00e9 s\u00edt\u011b, je <a href=\"https:\/\/dxr.short.gy\/orchestrace\">softwarov\u00fd orchestr\u00e1tor<\/a>. V&nbsp;re\u00e1lu to tedy vypad\u00e1 tak, \u017ee s\u00ed\u0165 fyzicky (hardwarov\u011b) budujete ve firm\u011b jen jednou. Ve\u0161kerou jej\u00ed topologii pak definujete softwarov\u011b a toto nastaven\u00ed m\u016f\u017eete pr\u016fb\u011b\u017en\u011b m\u011bnit. Tohle pojet\u00ed s&nbsp;sebou p\u0159in\u00e1\u0161\u00ed \u0159adu v\u00fdhod:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Celou s\u00ed\u0165 je mo\u017en\u00e9 \u0159\u00eddit z&nbsp;jednoho m\u00edsta. Je \u00fapln\u011b jedno, kolik za\u0159\u00edzen\u00ed v&nbsp;s\u00edti je a jak fyzicky daleko jej\u00ed sou\u010d\u00e1sti od sebe le\u017e\u00ed.<\/li><li>Jak\u00e1koli zm\u011bna v&nbsp;s\u00edti u\u017e nen\u00ed spojena s&nbsp;nutnost\u00ed ru\u010dn\u00edch z\u00e1sah\u016f. Administr\u00e1tor ji provede s&nbsp;pomoc\u00ed orchestr\u00e1toru.<\/li><li>Do s\u00edt\u011b lze velmi rychle zapojit nov\u00e9 klienty. Bez probl\u00e9m\u016f p\u0159ipoj\u00edte nov\u00e9ho u\u017eivatele na pobo\u010dku nebo celou pobo\u010dku.<\/li><li>Mo\u017enost sb\u00edrat a vyhodnocovat telemetrick\u00e1 data z&nbsp;cel\u00e9 s\u00edt\u011b. D\u00edky telemetrii m\u016f\u017ee administr\u00e1tor odhalit p\u0159\u00ed\u010dinu probl\u00e9m\u016f a rychleji je odstranit.<\/li><li>Softwarov\u011b definovan\u00e9 prost\u0159ed\u00ed poskytuje v\u00fdhody p\u0159i testov\u00e1n\u00ed nov\u00fdch aplikac\u00ed \u010di opat\u0159en\u00ed. Dovoluje bezprobl\u00e9mov\u00fd tzv. roll back, pokud administr\u00e1tor zjist\u00ed, \u017ee nov\u00e9 funkce zp\u016fsobuj\u00ed pot\u00ed\u017ee.<\/li><\/ul>\n\n\n\n<p>Virtualizace, softwarov\u00e1 definice p\u0159in\u00e1\u0161\u00ed v\u00fdhody do v\u0161ech sou\u010d\u00e1st\u00ed s\u00edt\u011b, do WAN p\u0159enosov\u00fdch tras, lok\u00e1ln\u00ed firemn\u00ed s\u00edt\u011b LAN i do datov\u00e9ho centra. A ve v\u0161ech t\u011bchto slo\u017ek\u00e1ch \u0159e\u0161\u00ed \u0159adu specifick\u00fdch probl\u00e9m\u016f spojen\u00fdch s&nbsp;klasick\u00fdmi s\u00edt\u011bmi.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">SD WAN: \u00faspora za p\u0159enosov\u00e9 linky<\/h2>\n\n\n\n<p>Kl\u00ed\u010dov\u00fdm \u00fakolem dne\u0161ka je v&nbsp;p\u0159\u00edpad\u011b WAN optimalizace chodu st\u00e1le u\u017e\u00edvan\u011bj\u0161\u00edch SaaS n\u00e1stroj\u016f, bez nich\u017e se firemn\u00ed pracovn\u00edci neobejdou. Distribuce dat spojen\u00fdch s&nbsp;t\u011bmito programy do pobo\u010dek \u010di k&nbsp;zam\u011bstnanc\u016fm na home office m\u016f\u017ee b\u00fdt pro s\u00edt\u011b z\u00e1t\u011b\u017e\u00ed kapacitn\u011b i finan\u010dn\u011b. V&nbsp;prost\u0159ed\u00ed <a href=\"https:\/\/dxr.short.gy\/SD-WAN\">softwarov\u011b definovan\u00e9 WAN (SD WAN)<\/a> m\u016f\u017ee administr\u00e1tor definovat, kter\u00e1 \u010d\u00e1st provozu bude sm\u011b\u0159ovat z&nbsp;pobo\u010dky a do pobo\u010dky p\u0159\u00edmo z&nbsp;internetu a kter\u00e1 \u010d\u00e1st z\u016fstane vyhrazena firemn\u00ed s\u00edti. Bez ohledu, zda se jedn\u00e1 o pobo\u010dku, dom\u00e1c\u00ed po\u010d\u00edta\u010d nebo notebook, nastav\u00ed orchestr\u00e1tor p\u0159\u00edstupov\u00e1 pravidla a\u017e do \u00farovn\u011b v\u0161ech koncov\u00fdch bod\u016f. A pokud se pravidla m\u011bn\u00ed, aktualizuj\u00ed se, zav\u00e1d\u00ed se nov\u00e1 slu\u017eba apod., op\u011bt se ke v\u0161em u\u017eivatel\u016fm dostane zm\u011bna najednou prost\u0159ednictv\u00edm orchestr\u00e1toru.<\/p>\n\n\n\n<p>A je tu i finan\u010dn\u00ed v\u00fdhoda. S\u00ed\u0165 vid\u00ed, jakou aplikaci u\u017eivatel u\u017e\u00edv\u00e1, jak\u00e9 jsou jej\u00ed n\u00e1roky na kvalitu p\u0159enosu, kapacitu \u010di zabezpe\u010den\u00ed. Na z\u00e1klad\u011b p\u0159edem definovan\u00fdch pravidel pak orchestr\u00e1tor ur\u010d\u00ed, kter\u00e1 z&nbsp;komunika\u010dn\u00edch tras se pro p\u0159enos dat vyu\u017eije. Tok dat lze efektivn\u011b rozd\u011blit mezi internet (nap\u0159\u00edklad pravideln\u00e9 aktualizace kancel\u00e1\u0159sk\u00fdch program\u016f) a dra\u017e\u0161\u00ed p\u0159enosov\u00e9 MPLS linky, jim\u017e se sv\u011b\u0159\u00ed jen kritick\u00e9 informace.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1000\" height=\"800\" src=\"https:\/\/www.soitron.cz\/wp-content\/uploads\/2022\/10\/cistoexperttip.png\" alt=\"Cloud computing, network infrastructure. Computer workstations connected to data center. Digital 3D render concept\" class=\"wp-image-50261\"\/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">SD LAN: telemetrie pro \u0159e\u0161en\u00ed pot\u00ed\u017e\u00ed<\/h2>\n\n\n\n<p>V&nbsp;r\u00e1mci <a href=\"https:\/\/www.cisco.com\/c\/en\/us\/solutions\/enterprise-networks\/software-defined-access\/index.html\">softwarov\u011b definovan\u00e9 LAN (SD LAN)<\/a> p\u0159edstavuje hlavn\u00ed v\u00fdhodu mo\u017enost centralizovan\u011b \u0159\u00eddit p\u0159\u00edstupov\u00e1 pravidla pro osoby, kter\u00e9 se pohybuj\u00ed v&nbsp;r\u016fzn\u00fdch lokalit\u00e1ch (centr\u00e1la, pobo\u010dka, home office), d\u00edky \u010demu\u017e firma z\u00edsk\u00e1 jednotn\u00e1 opr\u00e1vn\u011bn\u00ed pro celou infrastrukturu. U\u017eivatel si nese svoji identitu, kter\u00e1 v&nbsp;r\u00e1mci cel\u00e9 s\u00edt\u011b ur\u010duje, k&nbsp;jak\u00fdm informac\u00edm a slu\u017eb\u00e1m m\u00e1 \u010di nem\u00e1 p\u0159\u00edstup, bez ohledu na to, z&nbsp;jak\u00e9 lokality pr\u00e1v\u011b p\u0159istupuje. Prost\u0159ednictv\u00edm orchestr\u00e1toru lze z&nbsp;jednoho m\u00edsta tato pravidla m\u011bnit a aktualizovat.<\/p>\n\n\n\n<p>V\u00fdznamnou p\u0159idanou hodnotou je sb\u011br, ukl\u00e1d\u00e1n\u00ed a vyhodnocov\u00e1n\u00ed telemetrick\u00fdch dat a mo\u017enost p\u0159istoupit k nim z jednoho m\u00edsta. T\u00edm spole\u010dnost z\u00edsk\u00e1v\u00e1 aktu\u00e1ln\u00ed i zp\u011btn\u00fd pohled na datov\u00fd provoz, v\u010detn\u011b efektivn\u011bj\u0161\u00ed identifikace a odstra\u0148ov\u00e1n\u00ed technick\u00fdch a provozn\u00edch probl\u00e9m\u016f. D\u00edky t\u00e9to rozs\u00e1hl\u00e9 funkcionalit\u011b dok\u00e1\u017eou administr\u00e1to\u0159i mnoh\u00e9 provozn\u00ed a bezpe\u010dnostn\u00ed probl\u00e9my p\u0159edv\u00eddat, a z\u00e1rove\u0148 jim tak p\u0159edch\u00e1zet.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">SD DC: data na v\u00edce vrstv\u00e1ch a na v\u00edce m\u00edstech<\/h2>\n\n\n\n<p>V p\u0159\u00edpad\u011b <a href=\"https:\/\/www.cisco.com\/c\/en\/us\/solutions\/data-center-virtualization\/application-centric-infrastructure\/index.html\">softwarov\u011b definovan\u00fdch datov\u00fdch center (SD DC)<\/a> orchestr\u00e1tor umo\u017en\u00ed automatiza\u010dn\u00ed konfiguraci jednotliv\u00fdch komunika\u010dn\u00edch prvk\u016f v prost\u0159ed\u00ed, kter\u00e9 m\u016f\u017ee zahrnovat jednu, ale i v\u00edce lokalit nebo cloud. Orchestrace, automatizace a odd\u011blen\u00ed komunika\u010dn\u00edch tras pro data a \u0159\u00edzen\u00ed provozu p\u0159in\u00e1\u0161\u00ed n\u00e1sleduj\u00edc\u00ed mo\u017enosti:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Segmentace jednotliv\u00fdch vrstev, aby se v&nbsp;nich nemohl rychle \u0161\u00ed\u0159it p\u0159\u00edpadn\u00fd \u0161kodliv\u00fd k\u00f3d.<\/li><li>Aplikace jednotn\u00fdch bezpe\u010dnostn\u00edch politik pro p\u0159\u00edstup k&nbsp;aplikac\u00edm a datab\u00e1z\u00edm.<\/li><li>Jednoduch\u00e1 migrace aplikac\u00ed mezi On premise a cloudov\u00fdm prost\u0159ed\u00edm.<\/li><li>Ad hoc zv\u00fd\u0161en\u00ed v\u00fdpo\u010detn\u00edho v\u00fdkonu vyu\u017eit\u00edm cloudov\u00fdch slu\u017eeb.<\/li><li>Efektivn\u00ed vytv\u00e1\u0159en\u00ed testovac\u00edho prost\u0159ed\u00ed podle pot\u0159eby (ad hoc).<\/li><\/ul>\n\n\n\n<p>Tyto v\u00fdhody se uplatn\u00ed p\u0159edev\u0161\u00edm u firem, kter\u00e9 pot\u0159ebuj\u00ed skloubit bezpe\u010dnost dat s&nbsp;vn\u011bj\u0161\u00edmi slu\u017ebami a neust\u00e1l\u00fdm v\u00fdvojem aplikac\u00ed.<\/p>\n\n\n\n<p><a href=\"https:\/\/www.cisco.com\/c\/en\/us\/solutions\/data-center-virtualization\/application-centric-infrastructure\/index.html\">Softwarov\u011b definovan\u00e9 s\u00edt\u011b<\/a> p\u0159edstavuj\u00ed jednu z nejv\u011bt\u0161\u00edch inovac\u00ed v&nbsp;oblasti IT za posledn\u00ed dobu. Zjednodu\u0161uje a urychluje se spr\u00e1va s\u00edt\u011b a uvol\u0148uj\u00ed se tak ruce IT specialist\u016fm, kte\u0159\u00ed se mohou nam\u00edsto rutinn\u00ed manu\u00e1ln\u00ed pr\u00e1ce v\u011bnovat \u00faloh\u00e1m s&nbsp;vy\u0161\u0161\u00ed p\u0159idanou hodnotou.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>S\u00ed\u0165ov\u00fd provoz ve firm\u00e1ch roste raketov\u00fdm tempem. Radik\u00e1ln\u011b p\u0159ib\u00fdv\u00e1 u\u017eivatel\u016f a p\u0159ipojovan\u00fdch za\u0159\u00edzen\u00ed. Aplikace i slu\u017eby se p\u0159esouvaj\u00ed do cloudu. To vytv\u00e1\u0159\u00ed tlak na s\u00edt\u011b, kter\u00e9 ve sv\u00e9 tradi\u010dn\u00ed architektu\u0159e nar\u00e1\u017eej\u00ed na limity. Softwarov\u011b definovan\u00e9 s\u00edt\u011b p\u0159edstavuj\u00ed cestu ke zjednodu\u0161en\u00ed nasazen\u00ed a spr\u00e1vy a k&nbsp;\u00faspo\u0159e n\u00e1klad\u016f na hardware a p\u0159enosov\u00e9 linky. Vznik softwarov\u011b definovan\u00fdch s\u00edt\u00ed [&hellip;]<\/p>\n","protected":false},"author":34,"featured_media":50261,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[143],"tags":[],"news_categories":[392],"class_list":["post-50260","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized-cs","news_categories-sitova-reseni"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Softwarov\u011b definovan\u00e9 s\u00edt\u011b: kdy\u017e \u017eelezo nest\u00edh\u00e1 | Soitron<\/title>\n<meta name=\"description\" content=\"Softwarov\u011b definovan\u00e9 s\u00edt\u011b p\u0159edstavuj\u00ed cestu ke zjednodu\u0161en\u00ed nasazen\u00ed a spr\u00e1vy a k\u00a0\u00faspo\u0159e n\u00e1klad\u016f na hardware a p\u0159enosov\u00e9 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