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ilyaletre id:ilyaletre

bgpã«é–¢ã™ã‚‹ilyaletreã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (6)

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ãƒˆãƒ©ãƒ³ã‚¹ãƒãƒ¼ãƒˆã§å…‰ã‚‹IPv6ï½žIPv6 link-localï½žâ‘¡ | ãƒãƒƒãƒˆãƒ¯ãƒ³ã‚·ã‚¹ãƒ†ãƒ ã‚º
IPv6 link-localã‚¢ãƒ‰ãƒ¬ã‚¹ä¸Šã§ã®IPv4çµŒè·¯äº¤æ›ã¨BGPãƒ”ã‚¢ã®è‡ªå‹•ç™ºè¦‹ å‰å›žã®æ§‹æˆã§ã¯IPv6ã§ã‚ªãƒ¼ãƒãƒ¼ãƒ¬ã‚¤ã™ã‚‹ãŸã‚ã€ãƒ¦ãƒ‹ãƒ¼ã‚¯ã¨ãªã‚‹æ§˜ã«ç®¡ç†ã•ã‚ŒãŸ32-bitã®ãƒ«ãƒ¼ã‚¿IDã¨ã¯åˆ¥ã«ã€å„ãƒŽãƒ¼ãƒ‰ã§Loopbackã«å¯¾ã™ã‚‹IPv6ã‚¢ãƒ‰ãƒ¬ã‚¹ã®å‰²ã‚Šå½“ã¦ãŒå¿…è¦ã¨ãªã£ã¦ã„ã¾ã—ãŸã€‚ãƒ«ãƒ¼ã‚¿IDã¨ã—ã¦åˆ©ç”¨ã•ã‚Œã‚‹å€¤ã‚’ãã®ã¾ã¾ãƒˆãƒ³ãƒãƒ«çµ‚ç«¯ç”¨ã®ã‚¢ãƒ‰ãƒ¬ã‚¹ã«è»¢ç”¨ã§ãã‚Œã°ã€ãƒŽãƒ¼ãƒ‰å›ºæœ‰ã®IPv6ã‚¢ãƒ‰ãƒ¬ã‚¹è¨å®šã¯çœç•¥ã™ã‚‹ã“ã¨ãŒã§ãã¾ã™ã€‚ã¾ãŸã€IPv4ãƒ»IPv6ã®ã‚µãƒ¼ãƒ“ã‚¹ãŒä¸»ã¨ãªã‚‹å ´åˆã«ãŠã„ã¦ã¯ã€ã‚ªãƒ¼ãƒãƒ¼ãƒ¬ã‚¤ã‚’ä½µç”¨ã›ãšã«æ§‹æˆã§ããŸæ–¹ãŒã‚ˆã‚Šã‚·ãƒ³ãƒ—ãƒ«ã§ã™ã€‚ IPv6ã®ã‚³ã‚¢ã«å¯¾ã—ã¦ãƒˆãƒ³ãƒãƒ«ã‚’ä»‹ã•ãšã«IPv4ã®åˆ°é”æ€§ã‚’ç¢ºä¿ã™ã‚‹å ´åˆã€ä¿æŒã™ã‚‹IPv4 Prefixã«å¯¾ã—ã¦IPv6 Next HopãŒé–¢é€£ä»˜ã‘ã‚‰ã‚Œã‚‹ã“ã¨ã«ãªã‚‹ãŸã‚ã€ãã‚Œã«å¯¾å¿œã—ãŸå®Ÿè£…ãŒå¿…è¦ã¨ãªã‚Šã¾ã™ã€‚å…·ä½“çš„ã«ã¯ã€ä¸Šè¨˜ã®çµŒè·¯ã‚’ç”Ÿæˆã—äº¤æ›ã§ãã‚‹ã“ã¨ãƒ»è©²å½“ã™ã‚‹FIBãŠã‚ˆã³
ilyaletre 2019/01/29
BGP

network

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Kubernetesã®ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ãƒ—ãƒ©ã‚°ã‚¤ãƒ³ã‚’è‡ªä½œã—ãŸè©± - Cybozu Inside Out | ã‚µã‚¤ãƒœã‚¦ã‚ºã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ã®ãƒ–ãƒã‚°
ã“ã‚“ã«ã¡ã¯ã€ã‚¤ãƒ³ãƒ•ãƒ©åˆ·æ–°ãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆã€ŒNecoã€ã®@ueokandeã§ã™ã€‚ æœ¬æ—¥ã¯ã‚¤ãƒ³ãƒ•ãƒ©åˆ·æ–°ãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆã§é–‹ç™ºã—ãŸKubernetesãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ãƒ—ãƒ©ã‚°ã‚¤ãƒ³ã«ã¤ã„ã¦ãŠè©±ã—ã¾ã™ã€‚ Necoã§ã¯ç¾åœ¨ã®ã‚¢ãƒ¼ã‚ãƒ†ã‚¯ãƒãƒ£ã‚’åˆ·æ–°ã—ã¦ã€æ©Ÿæç®¡ç†ã‚„ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã®ãƒ‡ãƒ—ãƒã‚¤ã‚’ç°¡å˜ã«ã™ã‚‹ãŸã‚ã«ã€ã‚ªãƒ³ãƒ—ãƒ¬ãƒŸã‚¹ç’°å¢ƒã§Kuberneteã‚’é‹ç”¨ã§ãã‚‹ä»•çµ„ã¿ã¥ãã‚Šã«å–ã‚Šçµ„ã‚“ã§ã¾ã™ã€‚ ãã®æˆæžœç‰©ã®1ã¤ã§ã‚ã‚‹ã€Kubernetesãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ãƒ—ãƒ©ã‚°ã‚¤ãƒ³ã€ŒCoilã€ã«ã¤ã„ã¦ã”ç´¹ä»‹ã—ã¾ã™ã€‚ github.com Kubernetesã¯ç®¡ç†è€…ãŒãƒ—ãƒ©ã‚°ã‚¤ãƒ³ã‚’é¸æŠžãƒ»ä½œæˆã™ã‚‹ã“ã¨ã§ã€å®Ÿè¡Œç’°å¢ƒã‚„è¦ä»¶ã«åˆã‚ã›ã¦è‡ªç”±ã«ã‚«ã‚¹ã‚¿ãƒžã‚¤ã‚ºã§ãã¾ã™ã€‚ ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ãƒ—ãƒ©ã‚°ã‚¤ãƒ³ã‚‚ã‚³ãƒ³ãƒ†ãƒŠã®å®Ÿè¡Œç’°å¢ƒã«åˆã‚ã›ã¦ã‚«ã‚¹ã‚¿ãƒžã‚¤ã‚ºå¯èƒ½ã§ã™ã€‚ ã‚µã‚¤ãƒœã‚¦ã‚ºãŒè‡ªç¤¾ãƒ‡ãƒ¼ã‚¿ã‚»ãƒ³ã‚¿ãƒ¼ã§Kubernetesã‚’é‹ç”¨ã™ã‚‹ãŸã‚ã«ã€Kubernetesãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ãƒ—ãƒ©ã‚°ã‚¤ãƒ³ã‚’ä½œæˆã—ã¾
ilyaletre 2019/01/09
ã“ã†ã„ã†ã“ã¨ã‹ã‚„ã‚ŠãŸã„ã€‚æ¥½ã—ãã†ã€‚ ã“ã‚Œèªã‚“ã§è‡ªåˆ†ã¯ã‚ã‚“ã¾ã‚Šcalicoã®ã“ã¨è§£ã£ã¦ãªã„ãªã£ã¦æ€ã£ãŸã€‚

kubernetes

bgp

calico
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Neco ãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆã®ã‚¹ã‚ãƒ«ã‚·ãƒ¼ãƒˆ
neco_skills.md Neco ãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆã®ã‚¹ã‚ãƒ«ãƒã‚§ãƒƒã‚¯ã‚·ãƒ¼ãƒˆ Neco ã¯å¤§é‡ã®ç‰©ç†ã‚µãƒ¼ãƒãƒ¼ã‚’åŠ¹çŽ‡çš„ã«ç®¡ç†ãƒ»é‹ç”¨ã™ã‚‹ã“ã¨ã‚’ç›®çš„ã¨ã—ãŸé–‹ç™ºãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆã§ã™ã€‚ Kubernetes ã‚’ä¸å¿ƒã«é«˜åº¦ãªè‡ªå¾‹é‹ç”¨ã®å®Ÿç¾ã‚’ç›®æŒ‡ã—ã¦ã„ã¾ã™ã€‚ æœ¬æ–‡æ›¸ã¯ãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆã«å‚åŠ ã—ã¦ã„ã‚‹ãƒ¡ãƒ³ãƒãƒ¼ãŒèº«ã«ç€ã‘ã¦ã„ã‚‹è¦ç´ æŠ€è¡“ã‚’ä¸¦ã¹ãŸã‚‚ã®ã§ã™ã€‚ å¿œå‹Ÿæ™‚ç‚¹ã§ã™ã¹ã¦ã‚’èº«ã«ç€ã‘ã¦ã„ã‚‹å¿…è¦ã¯ã¾ã£ãŸãã‚ã‚Šã¾ã›ã‚“ã€‚ ç¤¾å†…ã«ã¯ãƒãƒ¥ãƒ¼ãƒˆãƒªã‚¢ãƒ«è³‡æ–™ãŒå¤šæ•°ç”¨æ„ã•ã‚Œã¦ã„ã¾ã™ã®ã§ã€å¿…è¦ã«å¿œã˜ã¦å¦ã¹ã¾ã™ã€‚ ãƒªã‚¹ãƒˆã¯ä»¥ä¸‹ã®å¤§é …ç›®ã§åˆ†é¡žã•ã‚Œã¦ã„ã¾ã™ã€‚ ãƒ‰ã‚ãƒ¥ãƒ¡ãƒ³ãƒˆ åˆ©ç”¨ã—ã¦ã„ã‚‹ã‚µãƒ¼ãƒ“ã‚¹ ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚° ãƒ†ã‚¹ãƒˆ ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ Kubernetes ãƒ‰ã‚ãƒ¥ãƒ¡ãƒ³ãƒˆ Neco ãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆã§ã¯ãƒ‰ã‚ãƒ¥ãƒ¡ãƒ³ãƒˆã‚’éžå¸¸ã«é‡è¦–ã—ã¦ã„ã¾ã™ã€‚ ä»•æ§˜æ›¸ã¯ã‚‚ã¡ã‚ã‚“ã€å„ç¨®ãƒãƒªã‚·ãƒ¼ã‚„ãƒãƒ¥ãƒ¼ãƒˆãƒªã‚¢ãƒ«ã€èª¿æŸ»è³‡æ–™ãªã©ã‚ã‚‰ã‚†ã‚‹å ´é¢ã§ãƒ‰ã‚ãƒ¥ãƒ¡ãƒ³ãƒˆã‚’ä½œæˆã—ã¦ã„ã¾ã™ã€‚ Markdow
ilyaletre 2019/01/09
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go

kubernetes

bgp

network
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Experiences with BGP in Large Scale Data Centers:
GlobalNetworkingServicesT eam,GlobalFoundationServices,MicrosoftCorporation Experiences with BGP in Large Scale Data Centers: Teaching an old protocol new tricks Agenda â€¢ ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯è¨è¨ˆè¦ä»¶ [Network design requirements] â€¢ ãƒ—ãƒãƒˆã‚³ãƒ«é¸å®š : BGP vs IGP [Protocol selection: BGP vs IGP] â€¢ ãƒ«ãƒ¼ãƒ†ã‚£ãƒ³ã‚°è¨è¨ˆè©³ç´° [Details of Routing Design] â€¢ ãªãœBGP SDNãªã®ã‹ï¼Ÿ [Motivation for BGP SDN] â€¢ BGP SDNã‚³ãƒ³ãƒˆãƒãƒ¼ãƒ©ã®è¨è¨ˆ [Design of BGP SDN Controller]
ilyaletre 2016/06/08
ãšã„ã¶ã‚“å‰ã«ãƒ–ã‚¯ãƒžã—ãŸã‘ã©ä»Šã«ãªã£ã¦èªã¿ç›´ã™ã‚’ã¨ã¦ã‚‚ãŠã‚‚ã—ã‚ã„ã€‚

network

bgp
ãƒªãƒ³ã‚¯
Python / JUNOSç’°å¢ƒã§ã€NETCONFå‹•ä½œã‚’è©¦ã—ã¦ã¿ã‚‹ - SDNé–‹ç™ºã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ã‚’ç›®æŒ‡ã—ãŸæ´»å‹•ãƒ–ãƒã‚°
SDNæ™‚ä»£ã®ã‚¤ãƒ³ãƒ•ãƒ©æ§‹ç¯‰ã«ã¯ã€APIãƒ™ãƒ¼ã‚¹ã®è¨å®šä½œæ¥ãŒæ¨™æº–ã«ãªã‚Šã¤ã¤ã‚ã‚Šã¾ã™ã€‚ é€šå¸¸ã€ä»®æƒ³VMã§ã‚ã‚Œã°ã€OpenStackãªã©ãŒæ´»ç”¨ã•ã‚Œã‚‹ã¨ã“ã‚ã§ã—ã‚‡ã†ã€‚ SDNã‚¤ãƒ³ãƒ•ãƒ©ç’°å¢ƒã§ã‚‚æ—¢å˜ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã¨ã®ç›¸äº’é‹ç”¨ã¯å¿…é ˆã«ãªã‚Šã¾ã™ãŒã€NWæ©Ÿå™¨ã§ã®è«¸è¨å®šãŒå¾“æ¥é€šã‚Šã®æ‰‹ä½œæ¥ã«ã‚ˆã‚‹ã‚³ãƒ³ãƒ•ã‚£ã‚°è¨å®šãŒè¡Œãªã‚ã‚Œã¦ã„ã‚‹äº‹ä¾‹ãŒã¾ã å¤šã„ã¨æ€ã„ã¾ã™ã€‚ æ˜¨ä»Šã®SDNæŠ€è¡“ã®å°é ã«ã‚ˆã‚Šã€ä½œæ¥åŠ¹çŽ‡ã®å‘ä¸Šã€ãŠã‚ˆã³ã€ã‚ªãƒšãƒŸã‚¹é˜²æ¢ã®è¦³ç‚¹ã‹ã‚‰ã€å¾“æ¥ã®NWæ©Ÿå™¨ã‚‚SDNã‚ªãƒ¼ã‚±ã‚¹ãƒˆãƒ¬ãƒ¼ã‚·ãƒ§ãƒ³çš„ãªã‚¢ãƒ—ãƒãƒ¼ãƒã§APIãƒ™ãƒ¼ã‚¹ã§åˆ¶å¾¡ã—ã¦ã—ã¾ãŠã†ã¨ã„ã†é¢¨æ½®ãŒé«˜ã¾ã‚Šã¤ã¤ã‚ã‚Šã¾ã™ã€‚ ãã“ã§ã€ NETCONFã¨ã„ã†ãƒ—ãƒãƒˆã‚³ãƒ«ãŒæ³¨ç›®ã•ã‚Œã‚‹ã‚ã‘ã§ã™ãã€‚ â—¼ï¸ NETCONFç¢ºèªç”¨ã®SRXãƒˆãƒãƒã‚¸ç’°å¢ƒ ä»Šå›žã¯ã€NETCONFã‚’æ´»ç”¨ã—ãŸSRXå®Ÿæ©Ÿã§ã®BGPè¨å®šã«ãƒãƒ£ãƒ¬ãƒ³ã‚¸ã—ãŸã„ã¨æ€ã„ã¾ã™ã€‚ ãªãŠã€BGPæ§‹æˆã¯ã€ä»¥å‰ã®è¨˜äº‹ã¨å…¨ãåŒã˜æ§‹æˆã«ã—ã¾ã™ã€‚ ãªãŠã€NETCO
ilyaletre 2016/04/17
ä½•æ°—ã«OpenWRT + Quagga ã‚„ã£ã¦ã¿ãŸã„ã€‚

sdn

bgp

python
ãƒªãƒ³ã‚¯
How We Run BGP on Top of OpenFlow - Datapath.io
TheÂ Border Gateway Protocol (BGP)Â exchanges routing information between autonomous systems. Routers use it to locally decide, among a set of neighboring routers, which router to send IP (and other) traffic based on the target network prefix. In ourÂ BGP blog post, we describe how BGP selects routers based onÂ best path selection. At Datapath.io, we built our own implementation of BGP. This is needed
ilyaletre 2016/03/22
network

bgp

openflow
ãƒªãƒ³ã‚¯
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