½ð²Ê»ã

µã»÷ÏÂÔØ¡¶ÍòÕ×Ô°ÇøÒÔÌ«²Ê¹â×êÑл㱨¡· £¬½âËøÍòÕ×Ô°ÇøÍøÂ罨ÉèÖ¸ÄÏ
Á¢¼´ÏÂÔØ
ÎÞ¸Ð×¼Èë ÈËÎïͳ¹Ü Ø­ RG-SAM+5.X ÐÂÒ»´ú¸ßУAIÈÏ֤ƽ̨°ä²¼
date
Ô¤Ô¼Ö±²¥
½ð²Ê»ã - Ê×Ò³
²úÆ·
< ·µ»ØÖ÷²Ëµ¥
²úÆ·ÖÐÐÄ
²úÆ·
½â¾ö¹æ»®
< ·µ»ØÖ÷²Ëµ¥
½â¾ö¹æ»®ÖÐÐÄ
ÐÐÒµ
ºÏ×÷ͬ°é
·µ»ØÖ÷²Ëµ¥
Ñ¡ÔñÇøÓò/˵»°
½ð²Ê»ã - Ê×Ò³
½ð²Ê»ã - Ê×Ò³ ½ð²Ê»ã - Ê×Ò³

ÈôºÎͨ¹ýÍøÂçÒ£²â£¨Network Telemetry£©¼¼ÊõʵÏÖ¾«ÃÜ»¯ÍøÂçÔËά £¿

¡¾ÍøÂçÔËά¡¿±¾ÎĽ«Í¨¹ý½éÉÜ»ùÓÚ»¥»»»úÓ²¼þоƬµÄÍøÂçÒ£²â£¨Network Telemetry£©¼¼Êõ¹æ»®£¨INT+gRPC£© £¬ÊµÏÖÕûÍøµÄÁ÷Á¿¿ÉÊÓ»¯ £¬ÎªÊµÏÖÕæÕýµÄ¿ÉÊÓ»¯ÔËάÌṩеÄ˼·¡£

  • ½ð²Ê»ã - Ê×Ò³

    °ä²¼¹¦·ò£º2018-04-03

  • ½ð²Ê»ã - Ê×Ò³

    µã»÷Á¿£º

  • ½ð²Ê»ã - Ê×Ò³

    µãÔÞ£º

·ÖÏíÖÁ

½ð²Ê»ã - Ê×Ò³
½ð²Ê»ã - Ê×Ò³
½ð²Ê»ã - Ê×Ò³

ÎÒÏëÆÀÂÛ

»ùÓÚAI¡¢´óÊý¾ÝµÄ»¥ÁªÍøÀûÓÃÍÆ¶¯ÁË»¥ÁªÍøÊý¾ÝÖÐÐIJúÆ·¡¢¼¼ÊõµÄ¼±¾çÉý¼¶¡£

Ê×ÏÈ £¬½ÓÈë´ø¿í´Ó´«Í³µÄ10GbpsÉý¼¶µ½25Gbps/100Gbps £¬±ØÒª»ù´¡ÍøÂçÌṩ¸ßת·¢ÄÜÁ¦±£ÏÕÒµÎñµÄ¸ß¿ÉÓá£

Æä´Î £¬»ùÓÚRDMA£¨Remote Direct Memory Access £¬Ô¶³ÌÖ±½ÓÄÚ´æ½Ó¼û£©ÎÞËðÒÔÌ«Íø¼¼ÊõµÄÆÕ±éÀûÓà £¬ÊµÏÖÁËÍÆËã½Úµãµ½´æ´¢½ÚµãµÄ΢Ãë¼¶ÑÓʱ £¬´ó´óÓÅ»¯¶Ëµ½¶ËµÄÒµÎñת·¢»úÄÜ £¬¶øÕâÒ²Òâζ×ŶÔÍøÂçÔËάÌá³öÁ˸ü¸ßµÄÌôÕ½——ÈôºÎÔÚ´ó¹æÄ£¡¢¸´ÔÓµÄHPC(High Performance Computing)ÍøÂçÖÐʵÏÖÔ½·¢¾«ÃܵÄÁ÷Á¿¿ÉÊÓ¡¢¿É¿Ø £¿ÈôºÎÃæÏòÒµÇóʵÏֶ˵½¶ËµÄÃë¼¶¹ÊÕ϶¨Î» £¬²¢ÎªÍøÂçµÄ³ÖÐøÓÅ»¯Ìṩ¾«×¼µÄÊý¾ÝÖ§³Ö £¿

±¾ÎĽ«Í¨¹ý½éÉÜ»ùÓÚ»¥»»»úÓ²¼þоƬµÄNetwork Telemetry¼¼Êõ¹æ»®£¨INT+gRPC£© £¬ÊµÏÖÕûÍøµÄÁ÷Á¿¿ÉÊÓ»¯ £¬ÎªÊµÏÖÕæÕýµÄ¿ÉÊÓ»¯ÔËάÌṩеÄ˼·¡£

 

ÍøÂçÔËάÐÂÌôÕ½

ΪÁËÈ·±£ÒµÎñµÄ¸ß¿¿µÃס £¬»ùÓÚScale out·½Ê½ÊµÏÖµÄÉ¢²¼Ê½ÍÆËãºÍ´æ´¢ÀûÓã¨Hadoop/ Map reduce/HDFS£©µÃµ½ÁË´ó¹æÄ£Ê¹Óà £¬²»½öÍѽÚÁ˵¥·þÎñÆ÷µÄÍÆËã¡¢´æ´¢»úÄܵÄÏÞ¶È £¬Í¬Ê±¿ÉÌṩ¸ü½Ã½ÝµÄÀ©´óÐÔ £¬¿ÉÄܼ±¾çÏìÓ¦ÒµÎñÐèÒª±ä¶¯ £¬Ìá¸ßϵͳµÄ¿¿µÃסÐÔ¡¢¿ÉÓÃÐԺʹæÈ¡Ð§ÄÜ¡£

È»¶øÒµÎñ×ÔÉíÔÚÍøÂçÆ½É¢²¼ÊDz»³É¿ØµÄ £¬Òò¶øÔÚÏÖÊµÍøÂçÁ÷Á¿Ä£ÐÍÖв»³ÉÔ¤·À»á³öÏÖ¶à¶ÔÒ»µÄͨѶģʽ £¬¼´ IncastÄ£ÐÍ¡£ÏÂͼ¼´µäÐ͵ÄIncastͨѶģÐÍ£º

 

½ð²Ê»ã - Ê×Ò³

¡ø TCP IncastͨѶģÐÍʾÒâͼ

 

ÀýÈç £¬µ±Ò»Ì¨Master½ÚµãÏòÒ»×éSlave½ÚµãÌáÒéÒ»¸öÍÆË㹤×÷ÒªÇóʱ £¬ËùÓÐSlave½ÚµãÏÕЩ»áͬʱ·µ»ØÍÆËãÁ˾ÖÊý¾Ý £¬¶ÔÓÚMaster½ÚµãÀ´Ëµ¾Í²úÉúÁËÒ»¸ö“΢ͻ·¢Á÷”¡£¶ÔÓÚºÏÀíµÄ“΢ͻ·¢Á÷” £¬Äܹ»ÒÀ¸½½ÓÈ뻥»»»úÉ豸ÄÚ²¿µÄ±¨ÎÄ»º´æ»úÔì½â¾ö΢ͻ·¢¶ª°üÎÊÌâ¡£

Ŀǰ £¬Ö÷Á÷»¥»»Ð¾Æ¬µÄƬÉÏ»º´æ±ÈÁ¦Ó× £¬Í¨³£ÒÔMbyteΪµ¥Ôª¡£ÏÂͼÊǶÔÓ¦1G¡¢10GºÍ25G»¥»»»ú³£ÓÃоƬµÄ»º´æÈÝÁ¿¡£

 

½Ó¿ÚËÙ¶È

»º´æÈÝÁ¿

1000Mbps

4MB

10Gbps

16MB

25Gbps

32MB

¡ø ´ø¿íÌáÉýÓ뻺´æÌáÉý¶Ô±È×¢Ã÷

 

´Ó±íÖв»ÄÑ¿´³ö £¬ÍøÂç½Ó¿ÚËÙ¶È´Ó1Gbps·¢Õ¹µ½25Gbps £¬·þÎñÆ÷µÄÍÌÍÂÄÜÁ¦Ôö³¤25±¶ £¬¶ø»¥»»»úоƬµÄ»º´æÈÝÁ¿Í¬±È½öÔö³¤8±¶ £¬Í¬Ê±¿ÉÓûº´æ¹¦·ò·´¶ø½µÂä65%£¨ÒÀÕÕ»¥»»»úÈ«¶Ë¿ÚƽÕýʹÓûº´æÎªÀý£©¡£

Òò¶ø £¬25GÍøÂç¼Ü¹¹µÄTCP Incast¾°Ïó±È10GÍøÂçÔ½·¢ÏÔÖø £¬Ë²Ê±µÄ¶à´òÒ»µ¼Ö³ö½Ó¿Ú±¨ÎÄÓµÈû £¬³ö½Ó¿Ú»º´æÓÃÍêºó»á»ùÓÚβ²¿Åׯú»úÔì½øÐжª°ü £¬ÀûÓüà²âµ½¶ª°üºóÌáÒéTCP³Á´« £¬Ôì³ÉÊý¾Ý¶Ëµ½¶ËÑÓʱµÄ½øÒ»²½¶ñ»¯ £¬ÑϳÁÓ°ÏìÒµÎñÂÄÀú¡£

Õë¶ÔÍøÂ綪°üÒýÆðµÄÒµÎñ¹ÊÕÏ £¬±ØÒªÍøÂç¼à¿ØÏµÍ³¼±¾ç¶¨Î»ÍøÂçÖÐÄĄ̈»¥»»»úµÄÄĸö¶Ë¿ÚÒò»º´æ²»¼°µ¼ÖÂÁ˶ª°ü¡£Í¬Ê± £¬³ÁÒªÒµÎñ¶Ëµ½¶ËʱÑÓ³¬³öÔ¤ÆÚʱ £¬Ò²±ØÒª¶¨Î»Á÷Á¿×ª·¢õè¾¶ÉÏÿ¸ö½ÚµãµÄת·¢Ê±ÑÓ¡£

×ܽáÆðÀ´ £¬±ØÒªÍøÂç¼à¿ØÏµÍ³ÊµÏÖÈçÏÂÄÜÁ¦£º

¡ñ¼±¾ç¶¨Î»ÄĄ̈»¥»»»úµÄÄĸö¶Ë¿Ú²úÉú¶ª°ü£»

¡ñʵʱ¼à¿ØÃ¿Ì¨»¥»»»úµÄBufferʹÓÃÇé¿ö£»

¡ñ¶Ëµ½¶ËʱÑÓÄܹ»¶¨Î»µ½¾ßÌåÉ豸ºÍÁ´Â·¡£

 

ÔËά¿ÉÊÓ»¯¼¼ÊõʵÏÖ

ƾ½è´«Í³µÄÍøÂç¼à¿Ø¼¿Á©ÎÞ·¨½â¾ö“¿´²»¼û”µÄÎÊÌâ £¬ÈçʱÑÓ¡¢×ª·¢õè¾¶¡¢»º´æºÍ¶ª°ü¡£ÀýÈç £¬ÓÉ±í²¿ÀûÓÃÌáÒéµÄÒªÇó»ñÈ¡ÍøÂç״̬ÐÅÏ¢µÄSNMPºÍ̸ £¬¾ÍÎÞ·¨ÊµÊ±·´Ó³ÍøÂçµÄ״̬¡£

ΪÏàʶ¾ö´ËÀàÄÑÌâ £¬Òµ½ç¿í·ºÒýÈëNetwork Telemetry£¨ÍøÂçÒ£²â£©ÕâÒ»ÀíÏë £¬Ïà±Å×ÚSNMP £¬TelemetryʵÏÖÁËÍøÂçÉ豸×Ô¶¯ÍÆËÍ״̬ÐÅÏ¢µÄÄÜÁ¦ £¬ÓµÓиüÇ¿µÄʱЧÐÔ¡£

ÊÂʵÉÏ £¬Telemetry²¢²»ÊÇз¢ÏÖ £¬NetFlowºÍsFlowÔçÒÑʵÏÖÁËÍøÂçÁ÷Á¿µÄ²ÉÑùºÍÍÆËÍ £¬µ«NetFlow¡¢sFlowÍÆË͵ÄÊÇԭʼµÄÊý¾Ý²ÉÑùÐÅÏ¢ £¬Êý¾ÝÒÔIP±¨ÎÄÌåʽ³öÏÖ¸ø·ÖÎö¹¤¾ß £¬¶ø·ÇÓû§½øÕ¹µÄ¹æ·¶»¯Êý¾ÝÄ£ÐÍ £¬ÔÙÓÅÒìµÄ·ÖÎö¹¤¾ßÆäÀ©´ó»úÄÜÒ²ÄÑÒԳе£Õû¸öÊý¾ÝÖÐÐÄÍøÂçµÄ¼à¿Ø·ÖÎö £¬Ö»ÄÜÔÚijһ·ÖÎö¹¤×÷ÖвûÑï×÷Óá£

ÁíÒ»·½Ãæ £¬Êý¾ÝÁ÷Á¿²¢·ÇÍøÂç״̬µÄÈ«Êý £¬ÍøÂçÉ豸µÄ CPU¡¢ÄÚ´æ¡¢ÍøÂçÓµÈûÐÅÏ¢¡¢ÍøÂçÊÂÎñµÄÈÕÖ¾ÐÅÏ¢µÈÒ²ÎÞ·¨Í¨¹ýNetFlow»òÕßsFlowʵʱ´«µÝ³öÀ´¡£

 

gRPC£¨Google Remote Procedure Calls  £¬¹È¸èÔ¶³Ì¹ý³ÌŲÓã©ÊÇGoogle¹«Ë¾¿ªÔ´µÄÒ»¸ö¸ß»úÄÜ¡¢¿ç˵»°µÄRPC¿ò¼Ü £¬Ê¹ÓÃHTTP/2ºÍ̸²¢Ê¹ÓÃProto Buffer×÷ΪÐòÁл¯ºÍ·´ÐòÁл¯µÄ¹¤¾ß¡£Í¨¹ýÔÚ»¥»»»úÖм¯³ÉgRPCÀûÓà £¬½ç˵½Ã½ÝµÄÊý¾ÝÌåʽÒÔ¼°Êý¾ÝÍÆË͵ÄãÐÖ·´ÊµÏÖ»¥»»»ú×ÔÉí״̬µÄ×Ô¶¯ÍÆËÍÄÜÁ¦ £¬Äܹ»ÊµÏÖÖÜÆÚÐÔÍÆËÍ»¥»»»úBuffer Usage¡¢CPU¡¢MemoryµÈÐÅÏ¢¸ø¼à¿Ø·þÎñÆ÷¡£µ±²úÉúBuffer²»¼°µ¼Ö¶ª°ü £¬Ò²»áʵʱ֪ͨ¸ø¼à¿Ø·þÎñÆ÷ £¬ÊµÏÖÍøÂçÔËÐÐÊý¾ÝµÄ¿ÉÊÓ»¯¡£

 

½ð²Ê»ã - Ê×Ò³

¡ø gRPC½»»¥»úÔì

 

ÉÏͼչʾÁËÆäÖÐÒ»ÖÖgRPCµÄ½»»¥»úÔ죺

¡ñÔÚ»¥»»»ú¿ªÆôgRPCÖ°Äܺó³äÈÎgRPC ¿Í»§¶Ë½ÇÉ« £¬¼à¿Ø·þÎñÆ÷³äÈÎgRPC·þÎñÆ÷½ÇÉ«£»

¡ñ»¥»»»ú×Ô¶¯Ïò¼à¿Ø·þÎñÆ÷ÌáÒégRPCͨ·½¨Á¬£»

¡ñ»¥»»»ú×Ô¶¯Éϱ¨Buffer Usage¡¢CPU¡¢ÄÚ´æµÈÐÅÏ¢¸ø¼à¿Ø·þÎñÆ÷ £¬µ±Buffer²úÉú¶ª°ü £¬»¥»»»úÓöÒ²»áʵʱÉϱ¨¶ª°üÊÂÎñ¸ø¼à¿Ø·þÎñÆ÷¡£

gRPCµÄ³öÏֺܺõĽâ¾öÁËʵʱÊý¾ÝÎÞ·¨ÓÐЧ´«¸ø¼à¿Ø·þÎñÆ÷µÄÎÊÌâ¡£

INT£¨In-band Network Telemetry£©Ò²ÊÇÒ»ÖÖÐÂÐÍTelemetryºÍ̸ £¬ÓÉBarefoot¡¢Arista¡¢Dell¡¢IntelºÍVMware¹²Í¬Ìá³ö¡£INTµÄ³öÏÖ½â¾öÁËת·¢õè¾¶ºÍת·¢Ê±ÑÓ²»Ë½¼ûµÄÎÊÌâ¡£

INTµÄÕûÌå´¦ÖÃÁ÷³ÌÈçÏÂͼËùʾ£º

 

½ð²Ê»ã - Ê×Ò³

¡ø  ¿ÉÊÓ»¯ÍøÂç

 

¡ñ±¨ÎÄ´ïµ½Ê׽ڵ㠣¬Í¨¹ýÔÚ»¥»»»úÉÏÉèÖõIJÉÑù·½Ê½Æ¥Åä²¢¾µÏñ³ö¸Ã±¨ÎÄ £¬²¢ÔÚËIJãÍ·²¿ºó²åÈëINTÍ· £¬½«±¨ÎÄÈë¶Ë¿ÚPort ID¡¢³ö¶Ë¿Ú Port ID¡¢Èë¶Ë¿Ú¹¦·ò¡¢³ö¶Ë¿Ú¹¦·ò¡¢ÒÔ¼°É豸µÄDEVICE ID·â×°³ÉMetaData £¬½«MD²åÈëµ½INTÍ·²¿Ö®ºó£»

¡ñ±¨ÎÄת·¢µ½ÖÐÑë½Úµã £¬É豸ƥÅäµ½INTÍ·²¿ºó £¬ÔÚINTÍ·²¿ºóÔÙ²åÈëÒ»²ãMD£»

¡ñ±¨ÎÄת·¢µ½×îºóÒ»Ìø £¬É豸ƥÅäINTÍ·²¿ºó £¬ÔÙ²åÈëÒ»²ãMD £¬²¢ÔÚ±¨ÎÄ±í²¿·â×°Ò»¸öIPÍ·£¨ERSPAN£© £¬±í²ãIPΪ¼à¿Ø·þÎñÆ÷µØÖ· £¬ÕâÑùINT±¨Îıãת·¢µ½¼à¿Ø·þÎñÆ÷¡£

×ܽ᣺Õë¶ÔÃæÏòHPCÒµÎñµÄÏÂÒ»´úÊý¾ÝÖÐÐÄÍøÂç £¬»ùÓÚINTºÍgRPCµÄNetwork Telemetry¼¼ÊõÄܹ»ÊµÏÖÒµÎñ¶Ëµ½¶ËµÄÍøÂçÁ÷Á¿¿ÉÊÓ»¯ £¬Í»ÆÆ“ÍøÂçºÚºÐ” £¬Îª¾«ÃÜ»¯ÍøÂçÔËάÌṩÕûÌåµÄ½â¾ö¹æ»®ºÍ±ØÒªµÄ¼¼ÊõÖ§³Ö¡£

½ð²Ê»ãÍøÂçÐÂÒ»´ú25G/100GÍøÂ绥»»»ú²úÆ·¾ùÒÑʵÏÖNetwork TelemetryÄÜÁ¦£¨gRPCºÍINT£© £¬ÈôÊÇÄú¶ÔÍøÂçÒ£²â¸ÐÐËÖ £¬»¶Ó­ÁôÑÔ»¥»»¡£

 

±¾ÎÄ×÷Õߣº³Â¶¬ÁÖ

½ð²Ê»ãÍøÂ绥ÁªÍøÏµÍ³²¿ÐÐÒµÕ÷ѯ

½ð²Ê»ã - Ê×Ò³

 

ÍùÆÚ½Ü³ö»ØÊ×

¡¾µÚÒ»ÆÚ¡¿Ç³Ì¸ÎïÁªÍø¼¼Êõ֮ͨѶºÍ̸µÄ·×Õù

 

ÓйØÍƼö£º

• ÏàʶgRPC¼¼Êõ £¬Õâһƪ¾Í¹»ÁË

¸ü¶à¼¼Êõ²©ÎÄ

ÈκαØÒª £¬ÇëÁªÏµ½ð²Ê»ã

½ð²Ê»ã - Ê×Ò³

·µ»Ø¶¥²¿

ÊÕÆð
½ð²Ê»ã - Ê×Ò³ ÎĵµAI¸±ÊÖ
½ð²Ê»ã - Ê×Ò³ ÎĵµÆÀ¼Û
ev-close ev-close-m
¸Ã×ÊÁÏÊÇ·ñ½â¾öÁËÄúµÄÎÊÌâ £¿
ev-close ev-close-m
Äú¶Ôµ±Ç°Ò³ÃæµÄÖÐÒâ¶ÈÈôºÎ £¿
²»Õ¦µÎ
¼«¶ÈºÃ
dark-star dark-star dark-star dark-star dark-star
ev-close ev-close-m
ÄúÖÐÒâµÄÔ­ÒòÊÇ£¨¶àÑ¡£© £¿
Äú¶ÔÎĵµÊÇ·ñ»¹ÓÐÆäËüµÄÎÊÌâ»ò½¨Òé £¿
Ϊ¾¡¿ì½â¾öÎÊÌâ £¬ÇëÄúÁôÏÂÁªÏµ·½Ê½Òﱋȯ¸´
ÓÊÏä
ÊÖ»úºÅ
ev-bg
¸Ð¼¤ÄúµÄ·´À¡£¡
½ð²Ê»ã - Ê×Ò³
½ð²Ê»ã - Ê×Ò³
½ð²Ê»ã - Ê×Ò³
ÇëÑ¡Ôñ·þÎñÏîÄ¿
¹Ø¹ØÕ÷ѯҳ
ÊÛǰÕ÷ѯ ÊÛǰÕ÷ѯ
ÊÛǰÕ÷ѯ
ÊÛºó·þÎñ ÊÛºó·þÎñ
ÊÛºó·þÎñ
¶¨¼û·´À¡ ¶¨¼û·´À¡
¶¨¼û·´À¡
¸ü¶àÁªÏµ·½Ê½
¡¾ÍøÕ¾µØÍ¼¡¿