The Kubernetes Networking Guide :: The Kubernetes Networking Guide
navigationThe Kubernetes Networking GuideThe purpose of this website is to provide an overview of various Kubernetes networking components with a specific focus on exactly how they implement the required functionality. The information here can be used for educational purposes, however, the main goal is to provide a single point of reference for designing, operating and troubleshooting cluster netw
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調査テーマ Ciliumã¨ã¯ï¼Ÿ / ç™»å ´èƒŒæ™¯ / 解決ã™ã‚‹ã“㨠Ciliumã¨ã¯ï¼Ÿ ç™»å ´èƒŒæ™¯ CiliumãŒè§£æ±ºã™ã‚‹ã“㨠eBPF(extend Berkeley Packet Filter)ã¨ã¯ï¼Ÿ XDP(eXpress DataPath)ã¨ã¯ï¼Ÿ CiliumãŒã§ãã‚‹ã“ã¨/ä»–ã¨ã®é•ã„ Nodeã‚’è·¨ã通信ã®å®Ÿç¾(CNI) ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚·ãƒ³ã‚° 帯域ã®ã‚³ãƒ³ãƒˆãƒãƒ¼ãƒ« マルãƒã‚¯ãƒ©ã‚¹ã‚¿é€šä¿¡ モニタリングã¨ãƒˆãƒ©ãƒ–ルシュート Hubbleã¨ã¯ï¼Ÿ CiliumãŒä½¿ã‚ã‚Œã¦ã„るケース(ã‚ã‚Œã°) Ciliumã®ã‚¢ãƒ¼ã‚テクãƒãƒ£ 通信ã«ã¤ã„㦠Cilium利用ã®å‰ææ¡ä»¶ kube-proxyを使ã‚ãšã«Ciliumを使ㆠãã®ä»–ã¤ã‚‰ã¤ã‚‰ã€ãƒ¡ãƒ¢ã€æ„Ÿæƒ³ å‚考 調査テーマ Ciliumã¨ã¯ï¼Ÿ / ç™»å ´èƒŒæ™¯ / 解決ã™ã‚‹ã“㨠CiliumãŒã§ãã‚‹ã“ã¨/ä»–ã¨ã®é•ã„ CiliumãŒä½¿ã‚ã‚Œã¦ã„る事例 Ciliumã®ã‚¢ãƒ¼ã‚テクãƒãƒ£
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Kubernetesãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ 徹底解説
Kubernetesã®ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã®æ§‹ç¯‰è¦ä»¶ã«å¯¾ã—ã¦ã€ä¸–ã®ä¸ã«ã¯æ§˜ã€…ãªã‚¢ãƒ—ãƒãƒ¼ãƒãŒã‚ã‚Šã¾ã™ã€‚ 本書ã§ã¯TCP/IPã¯çŸ¥ã£ã¦ã„ã‚‹ã‘ã‚Œã©ã€Kubernetesã®ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã®å®Ÿç¾æ–¹æ³•ã¯çŸ¥ã‚‰ãªã„人å‘ã‘ã«ã€ãƒ¡ã‚¸ãƒ£ãƒ¼ãªå®Ÿç¾ã‚¢ãƒ—ãƒãƒ¼ãƒã«ã¤ã„ã¦ã§ãã‚‹ã ã‘å™›ã¿ç •ã„ã¦ã‚¹ãƒ†ãƒƒãƒ—ãƒã‚¤ã‚¹ãƒ†ãƒƒãƒ—ã§ä½“系的ã«èª¬æ˜Žã—ã¾ã™ã€‚
Kubernetes 用 CNI プラグイン Coil v2 ã®ç´¹ä»‹ - Cybozu Inside Out | サイボウズエンジニアã®ãƒ–ãƒã‚°
Neco プãƒã‚¸ã‚§ã‚¯ãƒˆã® ymmt ã§ã™ã€‚ サイボウズã§ã¯ 2018 å¹´ã‹ã‚‰ Kubernetes 用ã®ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ãƒ—ラグイン Coil を開発ã—ã¦ã„ã¾ã™ã€‚ 当時㯠Kubernetes ã®çŸ¥è˜ãŒãƒãƒ¼ãƒ ã«è“„ç©ã•ã‚Œã¦ãŠã‚‰ãšã€ã„ã•ã•ã‹ä½¿ã„å‹æ‰‹ãŒæ‚ªã„仕様ã§ã—ãŸã€‚ ãã“㧠3 ã‹æœˆã»ã©å‰ã‹ã‚‰è¨è¨ˆã‚’å…¨é¢çš„ã«è¦‹ç›´ã—㟠Coil v2 ã®é–‹ç™ºã‚’開始ã—ã€å…ˆæ—¥ãƒªãƒªãƒ¼ã‚¹ã—ã¾ã—ãŸã€‚ Coil v2 ã¯å¤šãã®æ–¹ã«ã”利用ã„ãŸã ã‘ã‚‹ã¨æ€ã„ã¾ã™ã®ã§ã€æœ¬è¨˜äº‹ã«ã¦æ©Ÿèƒ½ã¨ä½¿ã„方を紹介ã—ã¾ã™ã€‚ 特徴 高速㪠Pod 間通信 Namespace 毎ã«æŒ‡å®šã§ãる複数㮠IP アドレスプール IPv4/v6 シングルスタックãŠã‚ˆã³ãƒ‡ãƒ¥ã‚¢ãƒ«ã‚¹ã‚¿ãƒƒã‚¯ ä»»æ„ã®ãƒ«ãƒ¼ãƒ†ã‚£ãƒ³ã‚°ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ã¨é€£æºå¯èƒ½ オプトイン方å¼ã§å¤–部ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã¸ã® NAT 接続をæä¾› è¨å®šæ“作㌠kubectl ã§å¯èƒ½ 使ã„æ–¹ kind ã§è©¦ã™ ã—ã£ã‹ã‚Šã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã—ã¦ä½¿
拡張性ã®é«˜ã„ CNI プラグイン Coil v2 ã®ç´¹ä»‹
Kubernetes Meetup Tokyo #35 登壇資料 https://k8sjp.connpass.com/event/191298/
kind(Kubernetes IN Docker)ã¨CNIã«é–¢ã™ã‚‹å‚™å¿˜éŒ²
経緯 CKSã®å‹‰å¼·ã‚’始ã‚ã‚‹ã«ã‚ãŸã£ã¦Twitter経由ã§RedHatã®Walid Shaariã•ã‚“ã®ãƒªãƒã‚¸ãƒˆãƒªã‚’知りã¾ã—ãŸã€‚ ãã®ãƒªãƒã‚¸ãƒˆãƒªã§ãªãœã‹ kind ã«ã‚ˆã‚‹kubernetesã®ãƒãƒ¼ã‚«ãƒ«é–‹ç™ºç’°å¢ƒã«é–¢ã—ã¦ã€ã‚ã–ã¨CNIを抜ã„ãŸçŠ¶æ…‹ã§æ§‹ç¯‰ã—ã€ãã®çŠ¶æ…‹ã«ã¤ã„ã¦èª¬æ˜Žã™ã‚‹å‹•ç”»ãŒä¸Šã’られã¦ã„ã¾ã—ãŸã€‚ ãªã‚“ã¨ãªãæ°—ã«ãªã£ã¦å…¨éƒ¨è¦‹ã¦ã—ã¾ã£ãŸã®ã ã‘ã‚Œã©ã€ãã®ã¾ã¾ã ã¨ã€ã¸ãƒ¼ãã†ãªã‚“ã ã§çµ‚ã‚ã£ã¦ã—ã¾ã†è©±ãªã®ã§è‡ªåˆ†ãªã‚Šã«ã¾ã¨ã‚ãŸå†…容ã¨åˆã‚ã›ã¦ã“ã“ã«æ®‹ã—ã¾ã™ã€‚ 興味ã¨ã¨ã‚‚ã«ã‚ã£ã¡ã“ã£ã¡ã„ãã¾ã™ã€‚ kindã¨ã¯ kind(Kubernetes IN Docker)ã¨ã¯ã€Dockerコンテナをノードã¨ã—ã¦ä½¿ç”¨ã—ã¦ã€ãƒãƒ¼ã‚«ãƒ«ã®Kubernetesクラスターを実行ã™ã‚‹ãƒ„ールã§ã™ã€‚ 開発環境ã¨ã—ã¦åˆ©ç”¨ã—ãŸã‚Šã€feature gateを有効ã«ã—ã¦ã€Cloudベンダーã®ManagedKubernetesã«ã¯é™ã‚Šã¦ãªã„最
Container Networking Deep Dive
1. Copyright©2018 NTT corp. All Rights Reserved. 1 Container Networking Deep Dive æ—¥æœ¬é›»ä¿¡é›»è©±æ ªå¼ä¼šç¤¾ ソフトウェアイノベーションセンタ 市原 è£•å² 2. 2Copyright©2018 NTT corp. All Rights Reserved. 自己紹介 市原 è£•å² â€¢ 所属 • NTT SIC 分散処ç†åŸºç›¤æŠ€è¡“プãƒã‚¸ã‚§ã‚¯ãƒˆ • OpenStack Developer • Neutron Core Reviewerã€ãã®ä»–プãƒã‚¸ã‚§ã‚¯ãƒˆã¸ã®è²¢çŒ® • 技術: SDN/NFVä¸å¿ƒ • パブリッククラウドã®é–‹ç™º • Linuxconã§DPDKã®æ€§èƒ½ã®ç™ºè¡¨ • Neutronã¸ã®æ©Ÿèƒ½æ案 • Docker Network Plugin開発
CNCF CNI プラグイン - Qiita
Deleted articles cannot be recovered. Draft of this article would be also deleted. Are you sure you want to delete this article? CNCFã§ç®¡ç†ã•ã‚Œã¦ã„るプãƒã‚¸ã‚§ã‚¯ãƒˆã§ã‚ã‚Šã€ã‚³ãƒ³ãƒ†ãƒŠã¸ã®ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯æŽ¥ç¶šã‚’実ç¾ã™ã‚‹æŠ€è¡“ã¨ã—ã¦ãƒ‡ãƒ•ã‚¡ã‚¯ãƒˆã«ãªã‚Šã¤ã¤ã‚ã‚‹CNIã«ã¤ã„ã¦å®Œå…¨ã«ç†è§£ã—ãŸã®ã§è§£èª¬ã—ã¦ã„ã。 CNI 役割 ContainerNetworkInterface(CNI)ã¯ã‚³ãƒ³ãƒ†ãƒŠã¨ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã‚’接続ã™ã‚‹æŠ€è¡“。CNIプãƒã‚¸ã‚§ã‚¯ãƒˆè‡ªä½“ã¯ä»•æ§˜ã¨ã„ãã¤ã‹ã®åŸºæœ¬çš„ãªãƒ—ラグインをæä¾›ã™ã‚‹ã®ã¿ã§ã€ã‚³ãƒ³ãƒ†ãƒŠã‚’利用ã™ã‚‹ãƒ¦ãƒ¼ã‚¶ãŒCNI仕様ã«ãã£ãŸãƒ—ラグインを自分ãŸã¡ã§ç”¨æ„ã™ã‚‹ã€‚ CNI 仕様 CNIã®ä»•æ§˜ã¯Githubレãƒã‚¸ãƒˆãƒªã®ãƒ‰ã‚ュメントã«ã¾ã¨ã¾ã£ã¦ã„る。CNIプãƒã‚¸ã‚§ã‚¯ãƒˆã¯cont
Benchmark results of Kubernetes network plugins (CNI) over 10Gbit/s network (Updated: April 2019)
New Version available : 2024This article is a bit old now, it has been updated. Check it out ! https://itnext.io/benchmark-results-of-kubernetes-network-plugins-cni-over-40gbit-s-network-2024-156f085a5e4e#89d8-90c23c8caeb4-reply This article is an update of my previous benchmark, now running on Kubernetes 1.14 with CNI version up-to-date in April 2019. First of all, many thanks to Cilium team who
CNI Introduction
Azure Verified Moduleを触ã£ã¦åˆ†ã‹ã£ãŸæ³¨ç›®ãƒã‚¤ãƒ³ãƒˆ/azure-verified-module-begin
コンテナãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚ング（CNI）最å‰ç·š
1. ©2018 VMware, Inc. コンテナãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚ング (CNI) 最å‰ç·š Dec. 04, 2018 CTO, North Asia (Japan, Korea and Greater China) Motonori Shindo 比ã¹ã¦åˆ†ã‹ã‚‹ Flannelã€Calicoã€Canalã€NSX-T 2. 2©2018 VMware, Inc. Docker Network container-01 ens160 vethXXXXX eth0 container-02 vethYYYYY eth0 veth- pair veth- pair docker0 (172.17.0.1/16) • コンテナã¨ãƒ›ã‚¹ãƒˆã®é–“ã« veth pair ãŒä½œ られã€ãã‚Œãžã‚Œåˆ¥ã® namespace ã«ç½®ã‹ れる • ホストå´ã« docker0 ã¨ã„ㆠbridge ãŒä½œ られã€ç‰©ç†ã‚¤ãƒ³ã‚¿ãƒ¼ãƒ•ã‚§
Kubernetes ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚ングã®ã™ã¹ã¦
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FOSDEM 2023 - Need to connect your k8s pods to multiple networks? No problem [with calico/vpp]!
FOSDEM 2023 -
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coil.pdf
GitHub - cybozu-go/coil: CNI IPAM + intra-node routing plugin in favor of UNIX philosophy
Kubernetes Meetup Tokyo #16 デモ - Qiita
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