Mune yakajairwa NPB application mamiriro, dambudziko rinonyanya kunetsa kune maneja kurasikirwa kwepaketi kunokonzerwa nekusangana kwemamirrored mapaketi uye NPB network. Packet kurasikirwa muNPB kunogona kukonzera zvinotevera zvakajairwa zviratidzo mumashure-yekupedzisira ekuongorora maturusi:
-Alarm inogadzirwa kana iyo APM sevhisi yekutarisa inodzikira, uye chiyero chekubudirira kwekutengesa chinodzikira
- Iyo NPM network yekutarisa chiratidzo chekunze alarm inogadzirwa
- Iyo yekuchengetedza yekutarisa sisitimu inotadza kuona kurwiswa kwenetiweki nekuda kwekusiiwa kwechiitiko
-Kurasikirwa kwesevhisi maitiro ekuongorora zviitiko zvinogadzirwa nesevhisi yekuongorora system
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Seyepakati yekutora uye kugovera sisitimu yeBypass yekutarisa, kukosha kweNPB kunozviratidza. Panguva imwecheteyo, mabatiro aanoita data packet traffic akasiyana chaizvo neyechinyakare live network switch, uye iyo traffic congestion control tekinoroji yeakawanda masevhisi live network haishande kuNPB. Maitiro ekugadzirisa NPB packet kurasikirwa, ngatitange kubva pamudzi chikonzero chekuongorora kwekurasikirwa kwepaketi kuti uzvione!
NPB/TAP Packet Kurasika Congestion Root Cause Analysis
Chekutanga pane zvese, isu tinoongorora iyo chaiyo yetraffic nzira uye hukama hwemepu pakati peiyo system uye inouya uye inobuda yezinga 1 kana level NPB network. Hazvina mhosva kuti rudzii rwenetiweki topology NPB mafomu, sehurongwa hwekuunganidza, kune akawanda-kune-akawanda traffic yekupinda uye hukama hwekubuda pakati pe "kuwana" uye "kubuda" kweiyo system yese.
Ipapo isu tinotarisa iyo bhizinesi modhi yeNPB kubva pamaonero eASIC machipi pane imwechete mudziyo:
Feature 1: Iyo "traffic" uye "physical interface rate" yeinopinza uye yekubuda interfaces ndeye asymmetrical, zvichikonzera huwandu hukuru hwe micro-bursts mhedzisiro isingadzivisike. Mumazuva mazhinji-kune-mumwe kana akawanda-kune-akawanda-kune-akawanda-kune-akawanda traffic aggregation mamiriro, chiyero chemuviri cheinobuda interface chinowanzo diki pane yakazara muviri mwero weiyo yekuisa interface. Semuenzaniso, 10 migero ye10G yekuunganidza uye 1 chiteshi che10G kubuda; Mune akawanda-level deployment scenario, ese NPBBS inogona kutariswa seyakazara.
Feature 2: ASIC chip cache zviwanikwa zvishoma. Mukutaura kweiyo ikozvino inowanzoshandiswa ASIC chip, iyo chip ine 640Gbps kuchinjanisa simba ine cache ye3-10Mbytes; A 3.2Tbps capacity chip ine cache ye20-50 mbytes. Kusanganisira BroadCom, Barefoot, CTC, Marvell uye vamwe vagadziri veASIC chips.
Feature 3: Iyo yakajairwa kupera-kusvika-kumagumo PFC kuyerera kwekudzora maitiro haishande kune NPB masevhisi. Nheyo yePFC yekudzora kuyerera kwemaitiro ndeyekuzadzisa kumagumo-kusvika-kumagumo traffic kudzvinyirira mhinduro, uye pakupedzisira kuderedza kutumirwa kwemapaketi kune iyo protocol stack yekutaurirana endpoint kudzikisa kusangana. Nekudaro, iyo packet sosi yeNPB masevhisi inoratidzwa mapaketi, saka iyo congestion yekugadzirisa zano inogona kuraswa chete kana kuvharirwa.
Izvi zvinotevera kutaridzika kweyakajairwa micro-kuputika pane inoyerera curve:
Kutora 10G interface semuenzaniso, mune yechipiri nhanho traffic maitiro ekuongorora dhizaini, chiyero chetraffic chinochengetwa panenge 3Gbps kwenguva yakareba. Pane iyo micro millisecond maitiro ekuongorora chati, iyo traffic spike (MicroBurst) yakapfuura zvakanyanya iyo 10G interface yemuviri mwero.
Makiyi Matanho ekuderedza NPB Microburst
Deredza kukanganisa kweasymmetric physical interface rate kusawirirana- Paunenge uchigadzira network, deredza asymmetric yekupinda uye inobuda yemuviri interface mareti zvakanyanya sezvinobvira. Nzira yakajairwa ndeyekushandisa yakakwira reti uplink interface, uye kudzivirira asymmetric physical interface rates (semuenzaniso, kukopa 1 Gbit/s uye 10 Gbit/s traffic panguva imwe chete).
Gadzirisa iyo cache manejimendi mutemo weNPB sevhisi- Iyo yakajairwa cache manejimendi mutemo inoshanda kune iyo switching sevhisi haishande kune yekutumira sevhisi yeNPB sevhisi. Iyo cache manejimendi mutemo we static garandi + Dynamic kugovera kunofanirwa kuitwa zvichibva pane izvo zveNPB sevhisi. Kuti uderedze kukanganisa kweNPB microburst pasi peyazvino chip hardware nharaunda kudzikamisa.
Shandisa Classified traffic engineering management- Itai zvekutanga traffic injiniya sevhisi kupatsanura manejimendi zvichienderana neiyo traffic class. Ita shuwa sehutano hwesevhisi yeakasiyana ekutanga mitsetse yakavakirwa pachikamu chemutsetse bandwidths, uye ive nechokwadi chekuti mushandisi anonzwa sevhisi traffic pakiti anogona kuendeswa mberi pasina kurasikirwa kwepaketi.
Iyo inonzwisisika system mhinduro inosimudzira iyo packet caching kugona uye traffic kuumba kugona- Inobatanidza mhinduro kuburikidza neakasiyana hunyanzvi nzira yekuwedzera iyo packet caching kugona kweiyo ASIC chip. Nekugadzirisa kuyerera kunzvimbo dzakasiyana, iyo micro-burst inova micro-uniform inoyerera curve mushure mekuumbwa.
Mylinking™ Micro Burst Traffic Management Solution
Scheme 1 -Netiweki-yakagadziridzwa cache manejimendi zano + network-yakafara yakakamurwa sevhisi yemhando yepamusoro manejimendi
Cache manejimendi zano rakagadziridzwa kune network yese
Zvichienderana nekunzwisisa kwakadzama kweNPB sevhisi maitiro uye anoshanda ebhizinesi mamiriro ehuwandu hukuru hwevatengi, Mylinking™ traffic yekuunganidza zvigadzirwa zvinoshandisa seti ye "static assurance + dynamic sharing" NPB cache management strategy ye network yese, ine mhedzisiro yakanaka pane traffic cache manejimendi mune yakakura nhamba yeasymmetric yekupinda uye inobuda nzvimbo. Iyo microburst kushivirira inoonekwa kusvika padanho repamusoro kana yazvino ASIC chip cache yakagadziriswa.
Microburst Processing Tekinoroji - Kutarisira kwakavakirwa pane zvekutanga zvebhizinesi
Kana iyo traffic capturing unit inoiswa yakazvimirira, inogona zvakare kuiswa pamberi maererano nekukosha kweiyo back-end yekuongorora chishandiso kana kukosha kweiyo data yebasa pachayo. Semuenzaniso, pakati pezvishandiso zvakawanda zvekuongorora, APM/BPC ine chinzvimbo chepamusoro kupfuura chekuongorora chekuchengetedza / kuchengetedza maturusi ekutarisa nekuti inosanganisira kutarisisa uye kuongororwa kweakasiyana-siyana data data yeakakosha masisitimu ebhizinesi. Naizvozvo, pachiitiko ichi, data inodiwa neAPM/BPC inogona kutsanangurwa seyakanyanya kukosha, iyo data inodiwa nekuchengetedzwa kwekutarisa / kuchengetedza maturusi ekuongorora anogona kutsanangurwa sepakati pekutanga, uye iyo data inodiwa nemamwe maturusi ekuongorora inogona kutsanangurwa seyakaderera. zvakakosha. Kana iyo yakaunganidzwa data pakiti ichipinda muchiteshi chekupinza, izvo zvinonyanya kukosha zvinotsanangurwa zvinoenderana nekukosha kwepaketi. Mapakiti ezvinonyanya kukosha anofambiswa mberi mushure mekunge mapaketi ezvinonyanya kukosha aendeswa mberi, uye mapaketi ezvimwe zvakakosha anotumirwa mushure mekunge mapaketi ezvinonyanya kukosha aendeswa mberi. Kana mapaketi ezvinonyanya kukosha achiramba achiuya, mapaketi ezvinonyanya kukosha anotumirwa kumberi. Kana iyo data yekupinda ichidarika kugona kwekutumira kwechiteshi chekubuda kwenguva yakareba, iyo yakawandisa data inochengetwa mu cache yechishandiso. Kana iyo cache yakazara, mudziyo unosarudza kurasa mapaketi eiyo yakaderera. Iyi yakakosheswa manejimendi manejimendi inovimbisa kuti akakosha ekuongorora maturusi anogona kunyatsowana iyo yekutanga traffic data inodiwa kuongororwa munguva chaiyo.
Microburst Processing Tekinoroji - dhizaini yekuvimbisa maitiro eiyo yese network sevhisi mhando
Sezvinoratidzwa mumufananidzo uri pamusoro, tekinoroji yemhando yetraffic inoshandiswa kusiyanisa masevhisi akasiyana pamidziyo yese pane yekupinda layer, aggregation/core layer, uye inobuda layer, uye zvinokosheswa nemapaketi akabatwa anomakwazve. Iyo SDN controller inoendesa iyo traffic yepamberi mutemo nenzira yepakati uye inoishandisa kune yekutumira zvishandiso. Midziyo yese iri kutora chikamu munetworking inomisikidzwa kune akasiyana ekutanga mitsetse zvinoenderana nezvinotungamira zvinotakurwa nemapaketi. Nenzira iyi, diki-traffic yepamusoro pekutanga mapaketi anogona kuwana zero packet kurasikirwa. Gadzirisa zvinobudirira dambudziko rekurasikirwa kwepaketi yekutarisa kweAPM uye yakakosha sevhisi yekuongorora bypass traffic traffic.
Solution 2 - GB-level Kuwedzera System Cache + Traffic Shaping Scheme
GB Level System Yakawedzerwa Cache
Kana mudziyo weiyo traffic yedu yekutora unit yave nehunyanzvi hwekugadzirisa mashandiro, inogona kuvhura imwe nzvimbo mundangariro (RAM) yemudziyo seBuffer yepasi rose yechishandiso, iyo inovandudza zvakanyanya Buffer kugona kwemudziyo. Kune imwechete yekutora mudziyo, ingangoita GB huwandu hunogona kupihwa senzvimbo yecache yechishandiso chekutora. Iyi tekinoroji inoita iyo Buffer kugona kweiyo traffic yekutora unit unit mudziyo mazana enguva yakakwirira kupfuura iyo yechinyakare yekutora mudziyo. Pasi peyero imwechete yekutumira, iyo yakakura micro kuputika nguva ye traffic yedu yekutora unit unit inova yakareba. Iyo millisecond level inotsigirwa nemidziyo yekutora yechinyakare yakakwidziridzwa kusvika padanho rechipiri, uye iyo micro-kuputika nguva inogona kumira yakawedzera nezviuru zvenguva.
Multi-queue Traffic Shaping Kugona
Microburst Processing Technology - mhinduro yakavakirwa pane yakakura Buffer Caching + Traffic Shaping
Iine yakakura-yakakura Buffer huwandu, iyo traffic data inogadzirwa ne micro-burst yakavharirwa, uye iyo traffic yekugadzira tekinoroji inoshandiswa mune inobuda interface kuti iwane yakatsetseka kubuda kwemapaketi kune yekuongorora chishandiso. Kuburikidza nekushandiswa kweiyi tekinoroji, iyo packet kurasikirwa chiitiko chinokonzerwa ne micro-burst inogadziriswa.
Nguva yekutumira: Feb-27-2024
