{"id":38707,"date":"2019-10-31T22:25:26","date_gmt":"2019-10-31T19:25:26","guid":{"rendered":"https:\/\/prohoster.info\/blog\/varianty-ispolzovaniya-reshenij-dlya-vidimosti-seti-network-visibility\/"},"modified":"2019-10-31T22:25:26","modified_gmt":"2019-10-31T19:25:26","slug":"varianty-ispolzovaniya-reshenij-dlya-vidimosti-seti-network-visibility","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/administrirovanie\/varianty-ispolzovaniya-reshenij-dlya-vidimosti-seti-network-visibility","title":{"rendered":"V\u00f5imalused v\u00f5rgu n\u00e4htavuse lahenduste kasutamiseks (network visibility)","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<h3>V\u00f5rgun\u00e4gemise lahenduste kasutusv\u00f5imalused<\/h3>\n<p><\/p>\n<h4>Mis on v\u00f5rgu n\u00e4htavus?<\/h4>\n<p>\nV\u00f5rgu n\u00e4htavuse m\u00e4\u00e4ratleb Websteri s\u00f5naraamat kui \"v\u00f5imet kergesti m\u00e4rgata\" v\u00f5i \"selguse m\u00e4\u00e4r\". V\u00f5rgu v\u00f5i rakenduse n\u00e4htavus t\u00e4hendab pimedate kohtade eemaldamist, mis varjavad v\u00f5imet lihtsalt n\u00e4ha (v\u00f5i kvantitatiivselt m\u00e4\u00e4rata), mis toimub v\u00f5rgus ja\/v\u00f5i v\u00f5rgurakendustes. See n\u00e4htavus v\u00f5imaldab IT-meeskondadel kiiresti isoleerida turvaprobleeme ja lahendada j\u00f5udlusprobleeme, mis t\u00f5en\u00e4oliselt tagavad parima kasutajakogemuse.<\/p>\n<p>Teine t\u00f5lgendus on see, et see v\u00f5imaldab IT-meeskondadel kontrollida ja optimeerida v\u00f5rku koos rakenduste ja IT-teenustega. Seet\u00f5ttu on v\u00f5rgu, rakenduste ja turbe n\u00e4htavus \u00e4\u00e4rmiselt vajalik igasuguste IT-organisatsioonide jaoks. <\/p>\n<p>Lihtsaim viis v\u00f5rgu n\u00e4htavuse saavutamiseks on rakendada n\u00e4htavuse arhitektuuri, mis on terviklik end-to-end infrastruktuur, mis omakorda tagab n\u00e4htavuse nii f\u00fc\u00fcsilises kui ka virtuaalses v\u00f5rgus, rakendustes ja turbes.<\/p>\n<h4>V\u00f5rgu n\u00e4htavuse aluse seadmine<\/h4>\n<p>\nKui n\u00e4htavuse arhitektuur on loodud, on saadaval mitmed kasutusv\u00f5imalused. Nagu allpool n\u00e4idatud, sisaldab n\u00e4htavuse arhitektuur kolme peamist n\u00e4htavuse taset: juurdep\u00e4\u00e4su tase, juhtimistase ja j\u00e4lgimistase.<\/p>\n<p><img decoding=\"async\" alt=\"V\u00f5imalused v\u00f5rgu n\u00e4htavuse lahenduste kasutamiseks (network visibility)\" src=\"\/wp-content\/uploads\/2019\/10\/688f7f241258a3654ffefcd01980c8c0.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><br \/>\nKasutades n\u00e4idatud elemente, saavad IT-spetsialistid lahendada erinevaid v\u00f5rgu ja rakenduste probleeme. Kasutusv\u00f5imalused jagunevad kahte kategooriasse:<\/p>\n<ul>\n<li>P\u00f5hilised n\u00e4htavuse lahendused<\/li>\n<li>T\u00e4ielik v\u00f5rgu n\u00e4htavus<\/li>\n<\/ul>\n<p>\nP\u00f5hilised n\u00e4htavuse lahendused keskenduvad v\u00f5rgu turvalisusele, kulude kokkuhoiule ja t\u00f5rgete k\u00f5rvaldamisele. Need on kolm kriteeriumi, mis m\u00f5jutavad IT-d iga kuu, kui mitte igap\u00e4evaselt. T\u00e4ielik v\u00f5rgu n\u00e4htavus on m\u00f5eldud, et tagada s\u00fcgavam arusaam pimedate kohtade, j\u00f5udluse ja regulatiivsete n\u00f5uete valdkondadest.<\/p>\n<h4>Mida on t\u00f5eliselt v\u00f5imalik saavutada v\u00f5rgu n\u00e4htavusega?<\/h4>\n<p>\nOn kuus erinevat v\u00f5rgu n\u00e4htavuse kasutusv\u00f5imalust, mis v\u00f5ivad selgelt n\u00e4idata v\u00e4\u00e4rtust. Need on:<\/p>\n<p> \u2014 V\u00f5rguturbe parendamine<br \/>\n \u2014 Mahukust haldamise ja kulude v\u00e4hendamise v\u00f5imaluste pakkumine<br \/>\n \u2014 Troubleshooting speedup and network reliability enhancement<br \/>\n \u2014 Elimination of network blind spots<br \/>\n \u2014 Optimization of network and application performance<br \/>\n \u2014 Strengthening compliance with regulatory requirements<\/p>\n<p>Below are some specific use cases.<\/p>\n<p><b>Example #1 \u2013 Data filtering for security solutions that are in-line, increases the effectiveness of those solutions<\/b><\/p>\n<p>The goal of this scenario is to use a Network Packet Broker (NPB) to filter low-risk data (such as video and voice) to exclude it from security checks (Intrusion Prevention System (IPS), Data Loss Prevention (DLP), Web Application Firewall (WAF), etc.). This 'uninteresting' traffic can be identified and sent back to a bypass switch and further routed into the network. The advantage of this solution is that WAF or IPS do not need to spend CPU resources analyzing unnecessary data. If your network traffic contains a significant amount of this type of data, you can implement this function and reduce the load on your security tools.<\/p>\n<p><img decoding=\"async\" alt=\"V\u00f5imalused v\u00f5rgu n\u00e4htavuse lahenduste kasutamiseks (network visibility)\" src=\"\/wp-content\/uploads\/2019\/10\/6679183b3a96f85ed70301ed431a05fe.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nCompanies have reported instances where up to 35% of low-risk network traffic was excluded from IPS checks. This automatically increases the effective bandwidth of the IPS by 35% and means you can postpone purchasing additional IPS or upgrading. We all know that network traffic is increasing, so at some point, you will need a more powerful IPS. It's really a question of whether you want to minimize costs or not.<\/p>\n<p><b>Example #2 \u2013 Load balancing extends the life of 1-10 Gbit\/s devices in a 40 Gbit\/s network<\/b><\/p>\n<p>Teine n\u00e4ide kasutamisest h\u00f5lmab v\u00f5rguvarustuse omamiskulude v\u00e4hendamist. See saavutatakse pakett-brokkerite (NPB) abil, mis tasakaalustavad liiklust turbe- ja j\u00e4lgimist\u00f6\u00f6riistade vahel. Kuidas tasakaalustamine v\u00f5ib enamikule ettev\u00f5tetele abiks olla? Esiteks on v\u00f5rgu liikluse suurenemine v\u00e4ga levinud n\u00e4htus. Ent kuidas j\u00e4lgida suureneva l\u00e4bilaskev\u00f5ime m\u00f5ju? N\u00e4iteks, kui uuendate v\u00f5rgu s\u00fcdamikku 1 Gbit\/s-lt 10 Gbit\/s-le, vajate \u00f5ige j\u00e4lgimise jaoks 10 Gbit\/s t\u00f6\u00f6riistu. Kui t\u00f5state kiiruseni 40 Gbit\/s v\u00f5i 100 Gbit\/s, siis sellistel kiirusel on j\u00e4lgimist\u00f6\u00f6riistade valik palju piiratum ja nende maksumus on v\u00e4ga k\u00f5rge.<\/p>\n<p>Pakett-brokkerid pakuvad vajalikke aggregeerimise ja koormuse tasakaalustamise v\u00f5imalusi. N\u00e4iteks 40 Gbit\/s liikluse tasakaalustamine v\u00f5imaldab jaotada j\u00e4lgimisliiklust mitme 10 Gbit\/s t\u00f6\u00f6riista vahel. Selle tulemuseks on see, et saate pikendada 10 Gbit\/s seadmete kasutusiga, kuni on piisavalt vahendeid kallimate t\u00f6\u00f6riistade hankimiseks, mis suudavad toime tulla suuremate andmeedastuskiirustega. <\/p>\n<p><img decoding=\"async\" alt=\"V\u00f5imalused v\u00f5rgu n\u00e4htavuse lahenduste kasutamiseks (network visibility)\" src=\"\/wp-content\/uploads\/2019\/10\/015c648a6ce54407ca1f8373d0be8c93.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nTeine n\u00e4ide on t\u00f6\u00f6riistade koondamine \u00fchte kohta ja nendele vajalike andmete edastamine pakett-brokkerist. M\u00f5nikord kasutatakse eraldiseisvaid lahendusi, mis on jaotatud v\u00f5rgus. Enterprise Management Associates (EMA) l\u00e4biviidud k\u00fcsitluse andmed n\u00e4itavad, et 32% ettev\u00f5tete lahendustest ei ole piisavalt kasutuses, st alla 50%. T\u00f6\u00f6riistade keskne haldamine ja koormuse tasakaalustamine v\u00f5imaldavad teil ressursse koondada ja kasutust suurendada, kasutades v\u00e4hem seadmeid. Sageli saate edasil\u00fckata t\u00e4iendavate t\u00f6\u00f6riistade ostmist seni, kuni kasutuse m\u00e4\u00e4r ei muutu piisavalt k\u00f5rgeks. <\/p>\n<p><b>N\u00e4ide nr 3 - t\u00f5rkeotsing, et v\u00e4hendada\/v\u00e4hendada vajadust muudatuste \u00f5iguste (Change Board permissions) saamiseks.<\/b><\/p>\n<p>Kui n\u00e4htavuse seadmed (TAP-id, NPB...) on v\u00f5rku paigaldatud, peate harva v\u00f5rku muutma. See v\u00f5imaldab optimeerida m\u00f5ningaid t\u00f5rkeotsinguprotsesse t\u00f5hususe suurendamiseks.<\/p>\n<p>N\u00e4iteks p\u00e4rast TAP-i installimist (\"installisin ja unustasin\") edastab see passiivselt koopia kogu liiklusest NPB-le. See omab suurt eelist, kuna k\u00f5rvaldab suure osa b\u00fcrokraatiast \u2013 muutuste tegemiseks vajalike heakskiitude saamine. Kui installida ka pakettide maakler, on peaaegu k\u00f5igile andmetele, mis on vajalikud t\u00f5rkeotsimiseks, kohene juurdep\u00e4\u00e4s.<\/p>\n<p><img decoding=\"async\" alt=\"V\u00f5imalused v\u00f5rgu n\u00e4htavuse lahenduste kasutamiseks (network visibility)\" src=\"\/wp-content\/uploads\/2019\/10\/4fa52b82cd3bc9ff52ab9c5f3be7fd41.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nKui muudatusi ei ole vaja teha, v\u00f5ib muudatusettepanekute koosk\u00f5lastamise etapid vahele j\u00e4tta ja minna otse t\u00f5rkeotsimise juurde. See uus protsess avaldab suurt m\u00f5ju keskmise taastamisaja (MTTR \u2013 Mean Time to Repair) v\u00e4henemisele. Uuringud n\u00e4itavad, et MTTR-i on v\u00f5imalik alandada kuni 80%.<\/p>\n<p><b>N\u00e4ide nr 4 \u2013 Rakenduste intelligentsus, rakenduste filtreerimise ja andmete maskeerimise kasutamine turvalisuse t\u00f5hustamiseks<\/b><\/p>\n<p>Mis on rakenduste intelligentsus (Application Intelligence)? See tehnoloogia on saadaval pakettide maaklerites (NPB) IXIA. See on t\u00e4iustatud funktsionaalsus, mis v\u00f5imaldab \u00fcletada 2\u20134 tasandi pakettide filtreerimist (OSI mudel) ja liikuda t\u00e4ielikult 7. tasemele (rakenduste tasand). Eeliseks on, et kasutaja ja rakenduste k\u00e4itumise ja asukoha kohta andmed v\u00f5ivad olla loodud ja eksportitud mis tahes vajalikus formaadis \u2013 toored paketid, filtreeritud paketid v\u00f5i NetFlow (IxFlow) teave. IT-osakonnad saavad tuvastada varjatud v\u00f5rgu rakendusi, v\u00e4hendada v\u00f5rgu turvahaavu ning v\u00e4hendada v\u00f5rgu seisakuid ja\/v\u00f5i suurendada v\u00f5rgu t\u00f5husust. Tuntud ja tundmatute rakenduste eristavad jooned saab tuvastada, talletada ja edastada spetsialiseeritud monitorimise ja turvalisuse t\u00f6\u00f6riistadele.<\/p>\n<p><img decoding=\"async\" alt=\"V\u00f5imalused v\u00f5rgu n\u00e4htavuse lahenduste kasutamiseks (network visibility)\" src=\"\/wp-content\/uploads\/2019\/10\/b1b59be3134f644326876ff64fc92d5e.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<\/p>\n<ul>\n<li>kahtlaste\/tundmatute rakenduste tuvastamine<\/li>\n<li>kahtlase k\u00e4itumise tuvastamine geolokatsiooni p\u00f5hjal, n\u00e4iteks kasutaja P\u00f5hja-Koreast \u00fchendub teie FTP-ga <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/server\/dts-shicago\/\"   title=\"serveri\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2856\">serveri<\/a> ja edastab andmeid<\/li>\n<li>dekr\u00fcpteerimine <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/ssl-sertifikat\/\"   title=\"SSL\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2263\">SSL<\/a> potentsiaalsete ohtude kontrollimiseks ja anal\u00fc\u00fcsimiseks<\/li>\n<li>rakenduste talitlush\u00e4irete anal\u00fc\u00fcs<\/li>\n<li>liikluse arvu ja kasvu anal\u00fc\u00fcs aktiivseks ressursside haldamiseks ja laiendamise prognoosimiseks<\/li>\n<li>konfidentsiaalsete andmete (krediitkaartide, sisselogimisandmete jne) maskeerimine enne saatmist <\/li>\n<\/ul>\n<p>\nVisibility Intelligence funktsionaalsus on saadaval nii f\u00fc\u00fcsilistes kui ka virtuaalsetes (Cloud Lens Private) paketibrokerites IXIA (NPB), samuti avalikes 'pilvedes' - Cloud Lens Public:<\/p>\n<p><img decoding=\"async\" alt=\"V\u00f5imalused v\u00f5rgu n\u00e4htavuse lahenduste kasutamiseks (network visibility)\" src=\"\/wp-content\/uploads\/2019\/10\/8c53733fafe1d101d0401a79a48d8538.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nLisaks NetStacki, PacketStacki ja AppStacki standardfunktsioonidele:<\/p>\n<p><img decoding=\"async\" alt=\"V\u00f5imalused v\u00f5rgu n\u00e4htavuse lahenduste kasutamiseks (network visibility)\" src=\"\/wp-content\/uploads\/2019\/10\/08631db239c0fad099d61f459d5d4636.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nHiljuti on lisandunud ka turvalisuse funktsioon SecureStack (konfidentsiaalse liikluse t\u00f6\u00f6tlemise optimeerimiseks), MobileStack (mobiilside operaatoritele) ja TradeStack (finantstehingute andmete j\u00e4lgimiseks ja filtreerimiseks):<\/p>\n<p><img decoding=\"async\" alt=\"V\u00f5imalused v\u00f5rgu n\u00e4htavuse lahenduste kasutamiseks (network visibility)\" src=\"\/wp-content\/uploads\/2019\/10\/8a4b91da9d092b3eba8441df1e837154.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<img decoding=\"async\" alt=\"V\u00f5imalused v\u00f5rgu n\u00e4htavuse lahenduste kasutamiseks (network visibility)\" src=\"\/wp-content\/uploads\/2019\/10\/0fcdc54b7045b83e8c257c1249cf9e1f.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<img decoding=\"async\" alt=\"V\u00f5imalused v\u00f5rgu n\u00e4htavuse lahenduste kasutamiseks (network visibility)\" src=\"\/wp-content\/uploads\/2019\/10\/23f7266d2d275ae83810116522de29b8.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n <\/p>\n<h4>J\u00e4reldused<\/h4>\n<p>\nV\u00f5rgun\u00e4gemise lahendused on v\u00f5imas t\u00f6\u00f6riist, mis suudab optimeerida v\u00f5rgu j\u00e4lgimise ja turvalisuse arhitektuuri, luues aluse vajalike andmete kogumisele ja vahetamisele.<\/p>\n<p>Kasutusv\u00f5imalused v\u00f5imaldavad:<\/p>\n<ul>\n<li>anda juurdep\u00e4\u00e4su vajalikele spetsiifilistele andmetele n\u00f5udmisel diagnoosimiseks ja t\u00f5rkeotsinguks<\/li>\n<li>lisada \/ eemaldada turvalisuse ja j\u00e4lgimise lahendusi nii in-line kui ka out-of-band<\/li>\n<li>v\u00e4hendada MTTR-i<\/li>\n<li>tagada kiire reageerimine probleemidele<\/li>\n<li>teha p\u00f5hjalikku ohtu anal\u00fc\u00fcsi<\/li>\n<li>v\u00e4hendada enamikku b\u00fcrokraatiast tingitud koosk\u00f5lastusi<\/li>\n<li>v\u00e4hendada h\u00e4kkimise finantsm\u00f5jusid, liites vajalikud lahendused kiiresti v\u00f5rku ja v\u00e4hendades MTTR-i<\/li>\n<li>v\u00e4hendada SPAN-pordi seadistamise kulusid ja t\u00f6\u00f6j\u00f5ukulusid<\/li>\n<\/ul>\n<p>Allikas: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/437344\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412\u0430\u0440\u0438\u0430\u043d\u0442\u044b \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u0440\u0435\u0448\u0435\u043d\u0438\u0439 \u0434\u043b\u044f \u0432\u0438\u0434\u0438\u043c\u043e\u0441\u0442\u0438 \u0441\u0435\u0442\u0438 (visibility) \u0427\u0442\u043e \u0442\u0430\u043a\u043e\u0435 \u0432\u0438\u0434\u0438\u043c\u043e\u0441\u0442\u044c \u0441\u0435\u0442\u0438 (Network Visibility)? \u0412\u0438\u0434\u0438\u043c\u043e\u0441\u0442\u044c (Visibility) \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u044f\u0435\u0442\u0441\u044f \u0441\u043b\u043e\u0432\u0430\u0440\u0435\u043c \u0412\u0435\u0431\u0441\u0442\u0435\u0440\u0430 \u043a\u0430\u043a \u00ab\u0441\u043f\u043e\u0441\u043e\u0431\u043d\u043e\u0441\u0442\u044c \u0431\u044b\u0442\u044c \u043b\u0435\u0433\u043a\u043e \u0437\u0430\u043c\u0435\u0447\u0435\u043d\u043d\u044b\u043c\u00bb \u0438\u043b\u0438 \u00ab\u0441\u0442\u0435\u043f\u0435\u043d\u044c \u044f\u0441\u043d\u043e\u0441\u0442\u0438\u00bb. \u041f\u043e\u0434 \u0432\u0438\u0434\u0438\u043c\u043e\u0441\u0442\u044c\u044e \u0441\u0435\u0442\u0438 \u0438\u043b\u0438 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f \u043f\u043e\u0434\u0440\u0430\u0437\u0443\u043c\u0435\u0432\u0430\u0435\u0442\u0441\u044f \u0443\u0434\u0430\u043b\u0435\u043d\u0438\u0435 \u0441\u043b\u0435\u043f\u044b\u0445 \u0437\u043e\u043d, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0441\u043a\u0440\u044b\u0432\u0430\u044e\u0442 \u0441\u043f\u043e\u0441\u043e\u0431\u043d\u043e\u0441\u0442\u044c \u043b\u0435\u0433\u043a\u043e \u0432\u0438\u0434\u0435\u0442\u044c (\u0438\u043b\u0438 \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u0435\u043d\u043d\u043e \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u044f\u0442\u044c), \u0447\u0442\u043e \u043f\u0440\u043e\u0438\u0441\u0445\u043e\u0434\u0438\u0442 \u0432 \u0441\u0435\u0442\u0438 \u0438\/\u0438\u043b\u0438 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f\u0445 \u0432 \u0441\u0435\u0442\u0438. \u042d\u0442\u0430 \u0432\u0438\u0434\u0438\u043c\u043e\u0441\u0442\u044c \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0418\u0422-\u043a\u043e\u043c\u0430\u043d\u0434\u0430\u043c [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":29037,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-38707","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0412\u0430\u0440\u0438\u0430\u043d\u0442\u044b \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u0440\u0435\u0448\u0435\u043d\u0438\u0439 \u0434\u043b\u044f \u0432\u0438\u0434\u0438\u043c\u043e\u0441\u0442\u0438 \u0441\u0435\u0442\u0438 (visibility) \u0427\u0442\u043e \u0442\u0430\u043a\u043e\u0435 \u0432\u0438\u0434\u0438\u043c\u043e\u0441\u0442\u044c \u0441\u0435\u0442\u0438 (Network Visibility)? 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