TheNetwork Packet Broker(NPB), yomwe imaphatikizapo 1G NPB, 10G NPB, 25G NPB, 40G NPB, 100G NPB, 400G NPB, ndiNetwork Test Access Port (TAP), ndi chipangizo cha hardware chomwe chimalumikiza mwachindunji chingwe cha netiweki ndikutumiza kachidutswa kolumikizana ndi netiweki kuzipangizo zina.
Network Packet Brokers amagwiritsidwa ntchito kwambiri mu network intrusion monitoring systems (IDS), zowunikira pa netiweki, ndi ma profiler.Port mirroring gawo.Munjira yotsekera, ulalo woyang'aniridwa wa UTP (ulalo wosatulutsidwa) umagawidwa m'magawo awiri ndi chipangizo cha TAP shunting.Zomwe zasonkhanitsidwa zimalumikizidwa ndi njira yosonkhanitsira kuti asonkhanitse deta yapaintaneti yowunikira zidziwitso zachitetezo.
Kodi Network Packet Broker (NPB) imakuchitirani chiyani?
Zofunika Kwambiri:
1. Wodziimira
Ndi gawo lodziyimira pawokha la hardware ndipo silimakhudza katundu wa zida zomwe zilipo kale, zomwe zili ndi ubwino waukulu pa galasi lowonetsera doko.
Ndi chipangizo chapaintaneti, chomwe chimangotanthauza kuti chiyenera kulumikizidwa mu netiweki.Komabe, izi zimakhalanso ndi vuto loyambitsa mfundo yolephereka, ndipo chifukwa ndi chipangizo cha intaneti, intaneti yamakono iyenera kusokonezedwa panthawi yotumizira, malingana ndi kumene imayikidwa.
2. Zowonekera
Transparent amatanthauza cholozera ku netiweki yamakono.Mukatha kupeza shunt ya netiweki, ilibe mphamvu pazida zonse zomwe zili mu netiweki yapano, ndipo imawonekera kwa iwo.Zachidziwikire, izi zikuphatikizanso magalimoto omwe amatumizidwa ndi network shunt ku chipangizo chowunikira, chomwe chimawonekeranso pamaneti.
Mfundo yogwirira ntchito:
Kuthamangitsidwa kwa magalimoto (kugawa) kutengera deta yolowera, kubwereza, kusonkhanitsa, kusefa, kusintha kwa data ya 10G POS kudzera pakusintha kwa protocol kukhala makumi a data ya megabytes ya LAN, malinga ndi algorithm yeniyeni yosinthira katundu, zotulutsa nthawi yomweyo kuti zitsimikizire. kuti mapaketi onse a gawo lomwelo, kapena IP yofanana imatulutsa mapaketi onse kuchokera ku mawonekedwe omwewo.
Zogwirira ntchito:
1. Kusintha kwa Protocol
Njira zazikulu zoyankhulirana zapaintaneti zomwe zimagwiritsidwa ntchito ndi ma ISPs zikuphatikizapo 40G POS, 10G POS/WAN/LAN, 2.5G POS, ndi GE, pomwe njira zolandirira deta zomwe zimagwiritsidwa ntchito ndi maseva ogwiritsira ntchito ndi GE ndi 10GE LAN.Choncho, kutembenuka kwa protocol nthawi zambiri kumatchulidwa pa malo ochezera a pa Intaneti makamaka kumatanthauza kutembenuka pakati pa 40G POS, 10G POS, ndi 2.5G POS ku 10GE LAN kapena GE, ndi bidirectional cotransfer pakati pa 10GE WAN ndi 10GE LAN ndi GE.
2. Kusonkhanitsa ndi kugawa deta.
Mapulogalamu ambiri osonkhanitsira deta amachotsa magalimoto omwe amawakonda ndikutaya kuchuluka komwe samasamala.Kuchulukirachulukira kwa adilesi inayake ya IP, protocol, ndi doko kumachotsedwa ndi ma-tuple asanu (gwero la IP, adilesi ya IP, doko, doko, ndi protocol) kulumikizana.Pamene zotuluka, gwero lomwelo, malo omwewo ndi kutulutsa zolemetsa zimatsimikiziridwa molingana ndi HASH algorithm.
3. Kusefa kwamakhodi
Pakusonkhanitsa magalimoto a P2P, pulogalamu yogwiritsira ntchito imangoyang'ana pa magalimoto ena enieni, monga kutsatsira media PPStream, BT, Bingu, ndi mawu omwe amagwiritsidwa ntchito pa HTTP monga GET ndi POST, ndi zina zotero. Njira yofananira ndi code ingagwiritsidwe ntchito pochotsa. ndi kusonkhana.Diverter imathandizira kusefa kwamakhodi okhazikika komanso kusefa kwamakhodi oyandama.Khodi yoyandama yoyandama ndi njira yosinthira yomwe imatchulidwa potengera malo okhazikika.Ndizoyenera ku mapulogalamu omwe amatchula kachidindo koyenera kusefedwa, koma osatchula malo enieni a code.
4. Kuwongolera gawo
Imazindikiritsa kuchuluka kwa kuchuluka kwa magawo ndikusintha mosinthika gawo lotumizira N mtengo (N=1 mpaka 1024).Ndiko kuti, mapaketi oyamba a N a gawo lililonse amachotsedwa ndikutumizidwa ku kachitidwe kakuwunika kogwiritsa ntchito kumbuyo, ndipo mapaketi pambuyo pa N amatayidwa, kupulumutsa nsonga zapamwamba papulatifomu yowunikira ntchito.Nthawi zambiri, mukamagwiritsa ntchito IDS kuyang'anira zochitika, simuyenera kukonza mapaketi onse a gawo lonse;m'malo mwake, mumangofunika kuchotsa mapaketi oyamba a N a gawo lililonse kuti mumalize kusanthula ndi kuwunikira zochitika.
5. Data mirroring ndi kubwerezabwereza
The ziboda akhoza kuzindikira galasi ndi kubwerezabwereza deta pa linanena bungwe mawonekedwe, amene amaonetsetsa kuti deta kupeza machitidwe angapo ntchito.
6. Kupeza ndi kutumiza deta ya 3G
Kusonkhanitsa ndi kugawa deta pamanetiweki a 3G ndizosiyana ndi njira zachikhalidwe zowunikira maukonde.Mapaketi pamanetiweki a 3G amatumizidwa pamalumikizidwe amsana kudzera mumagulu angapo a encapsulation.Kutalika kwa paketi ndi mawonekedwe a encapsulation ndi osiyana ndi mapaketi pamanetiweki wamba.Wogawanitsa amatha kuzindikira ndikukonza ma protocol monga mapaketi a GTP ndi GRE, mapaketi a multilayer MPLS, ndi mapaketi a VLAN.Itha kutulutsa mapaketi osainira a IUPS, mapaketi osayina a GTP, ndi mapaketi a Radius kumadoko odziwika kutengera mawonekedwe a paketi.Kuphatikiza apo, imatha kugawa mapaketi molingana ndi adilesi yamkati ya IP.Kuthandizira mapaketi okulirapo (MTU> 1522 Byte) kukonza, kumatha kuzindikira bwino kusonkhanitsa deta ya 3G network ndi shunt application.
Zofunikira:
- Imathandizira kugawa kwa magalimoto ndi L2-L7 application protocol.
- Imathandizira kusefa kwama-tuple 5 ndi adilesi yeniyeni ya IP, adilesi ya IP komwe mukupita, doko, doko lopita, ndi protocol komanso ndi chigoba.
- Imathandizira kusanja kwa katundu wotulutsa ndikutulutsa homology ndi homology.
- Imathandizira kusefa ndi kutumiza ndi zingwe zamakhalidwe.
- Imathandizira kasamalidwe ka gawo.Tumizani mapaketi a N oyamba a gawo lililonse.Mtengo wa N ukhoza kufotokozedwa.
- Imathandizira ogwiritsa ntchito angapo.Mapaketi a data omwe ali ofanana ndi lamulo lomwelo angaperekedwe kwa munthu wina panthawi imodzimodzi, kapena deta pa mawonekedwe owonetsera akhoza kuwonetsedwa ndi kusinthidwa, kuonetsetsa kuti deta ikupezeka kwa machitidwe angapo ogwiritsira ntchito.
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Nthawi yotumiza: Sep-08-2022
