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2020：框架在左網格在右，雲原生時代的微服務路在何方"}]}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"link","attrs":{"href":"https:\/\/www.infoq.cn\/article\/bLVkRO09oZT1hB53SkfJ","title":"xxx","type":null},"content":[{"type":"text","text":"落地三年，兩次架構升級，網易 Service Mesh 實踐之路"}]}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"link","attrs":{"href":"https:\/\/www.infoq.cn\/article\/SF5sl4IlUtUxuED3Musl","title":"xxx","type":null},"content":[{"type":"text","text":"雲原生時代的流量入口：Envoy 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從服務框架到服務網格，網易輕舟雙引擎多模式服務治理演進實踐
{"type":"doc","content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"在分佈式體系下，微服務技術在經歷多年發展之後漸趨成熟。進入雲原生時代，微服務技術在雲原生理念的驅動下被賦予了新的使命。在 InfoQ 2020 年微服務技術年終盤點文章中，我們對傳統的服務框架和雲原生的服務網格分別進行了分析，指出了服務框架的進化與困局，服務網格的進步、分化、落地，並給出了企業微服務架構的演進方向。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"本文將延續微服務架構演進這個話題，結合網易數帆旗下輕舟微服務團隊在諸多企業業務落地的微服務治理實踐，闡述企業應用在不同階段採用不同的微服務治理策略，以及從服務框架到服務網格實現架構平滑演進的思路與方法。"}]},{"type":"heading","attrs":{"align":null,"level":2},"content":[{"type":"text","text":"服務框架：無侵入 Agent 服務治理"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"服務框架是傳統微服務技術的核心所在。早期微服務技術中的服務註冊、發現、調用、治理、觀測都離不開服務框架。這也帶來了一些問題，比如業務研發者需要明顯感知服務框架並掌握其中各項非業務相關技術，框架版本升級困難，框架越來越重難於維護等等。網易的互聯網業務比較多元，早期各業務沒有統一的微服務技術規範和框架，大部分業務選型了 SpringCloud、Dubbo、gRPC 等開源框架，也有少數業務選擇自研 RPC 框架。服務框架在微服務架構下的問題隨着業務、團隊規模的擴大日益凸顯，這也催生了 "},{"type":"text","marks":[{"type":"strong"}],"text":"網易新一代微服務平臺 —— 輕舟"},{"type":"text","text":" 的建設落地。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"2018 年，我們以 "},{"type":"text","marks":[{"type":"strong"}],"text":"業務無侵入"},{"type":"text","text":" 爲核心理念構建了輕舟微服務平臺，核心數據面 "},{"type":"text","marks":[{"type":"strong"}],"text":"基於字節碼增強技術實現無侵入 Agent 服務治理能力"},{"type":"text","text":"，"},{"type":"text","marks":[{"type":"strong"}],"text":"業務無需修改代碼"},{"type":"text","text":" 即可 "},{"type":"text","marks":[{"type":"strong"}],"text":"一鍵接入微服務治理全家桶"},{"type":"text","text":" 能力，大幅提高了用戶業務微服務化改造效率，降低了業務進行服務治理相關能力的研發成本。輕舟微服務平臺目前已在網易集團內外諸多企業業務落地。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"image","attrs":{"src":"https:\/\/static001.geekbang.org\/wechat\/images\/aa\/aa1a104a14629015b980723bd1752a01.png","alt":null,"title":null,"style":null,"href":null,"fromPaste":false,"pastePass":false}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"相較於傳統服務框架，無侵入 Agent 服務治理有如下 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能力。"}]}]},{"type":"listitem","attrs":{"listStyle":null},"content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","marks":[{"type":"strong"}],"text":"接管主流注冊中心（Eureka\/Nacos\/Consul\/Zookeeper\/Kubernetes）。"},{"type":"text","text":" 業務無需更換註冊中心，服務註冊與發現全託管。"}]}]},{"type":"listitem","attrs":{"listStyle":null},"content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","marks":[{"type":"strong"}],"text":"兼容全系 Java 應用。"},{"type":"text","text":" 基礎框架無限制，支持任意 Java 應用快捷接入。"}]}]},{"type":"listitem","attrs":{"listStyle":null},"content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","marks":[{"type":"strong"}],"text":"模塊化設計，可按需熱插拔、升級。"},{"type":"text","text":" 業務可按需加載、卸載功能模塊，組件靈活演進、升級。"}]}]}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"image","attrs":{"src":"https:\/\/static001.geekbang.org\/wechat\/images\/d9\/d915a6dd120b93cd307e6b70a15d4cf4.png","alt":null,"title":null,"style":null,"href":null,"fromPaste":false,"pastePass":false}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"無侵入 Agent 服務治理方式一定程度上對傳統服務框架的組織與接入方式進行了重新定義，爲單體應用、初步微服務化的應用提供了便捷的微服務治理套件落地方案。最近我們注意到一些大型互聯網企業也開始使用無侵入 Agent 方式進行微服務治理落地，讓我們更加堅定了這種設計的有效性與長期性。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","marks":[{"type":"strong"}],"text":"總結："}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","marks":[{"type":"strong"}],"text":"無侵入 Agent 服務治理技術可以幫助企業業務高效完成微服務化改造，也爲後續微服務架構的持續演進提供了技術基礎。"}]},{"type":"heading","attrs":{"align":null,"level":2},"content":[{"type":"text","text":"服務網格：低門檻高性能推動企業級落地"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","marks":[{"type":"strong"}],"text":"服務網格（Service Mesh）"},{"type":"text","text":" 是將無侵入服務治理定義的更爲徹底的微服務架構方案。通過將微服務治理能力以獨立組件（Sidecar）整合並下沉到基礎設施，服務網格可以實現應用業務邏輯與服務治理邏輯完全分離，這也使支持多語言、熱升級等高階特性變得順理成章。網易服務網格建設 是隨着嚴選、新聞等互聯網業務容器化上雲開始的。輕舟微服務平臺與業務部門採用合作共建的方式，制定以 "},{"type":"text","marks":[{"type":"strong"}],"text":"業務無感知、平滑穩定"},{"type":"text","text":" 爲服務網格落地的最高宗旨。我們選擇由 Google、IBM 背書的 "},{"type":"text","marks":[{"type":"strong"}],"text":"Istio"},{"type":"text","text":" 作爲服務網格基座進行擴展、增強，爲實現業務無感知、平滑穩定接入進行了深入設計與反覆論證，已經幫助多個企業核心業務大規模生產環境落地服務網格。"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"image","attrs":{"src":"https:\/\/static001.geekbang.org\/wechat\/images\/28\/286a4aaf91565fd7aa1717a24f8cda3e.png","alt":null,"title":null,"style":null,"href":null,"fromPaste":false,"pastePass":false}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"服務網格建設思路方面，我們主要從“"},{"type":"text","marks":[{"type":"strong"}],"text":"低門檻"},{"type":"text","text":"”與“"},{"type":"text","marks":[{"type":"strong"}],"text":"高性能"},{"type":"text","text":"”兩個維度進行設計。"}]},{"type":"heading","attrs":{"align":null,"level":3},"content":[{"type":"text","text":"低門檻：業務平滑落地的支撐能力"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"真正意義上支撐不同業務的平滑接入是我們在服務網格平臺建設初期的主要挑戰，具體體現在："}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"bulletedlist","content":[{"type":"listitem","attrs":{"listStyle":null},"content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"不同業務有着不同的微服務架構現狀：不同的框架、協議、註冊中心"}]}]},{"type":"listitem","attrs":{"listStyle":null},"content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"不同業務有着相同的要求：不希望業務有任何修改或感知"}]}]},{"type":"listitem","attrs":{"listStyle":null},"content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"原生 Istio 易用性偏弱"}]}]}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"爲此，我們在支撐業務平滑落地方面做了大量工作，主要可以歸納爲以下幾個方面："}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"bulletedlist","content":[{"type":"listitem","attrs":{"listStyle":null},"content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","marks":[{"type":"strong"}],"text":"業務平滑接入"},{"type":"text","text":"：業務 "},{"type":"text","marks":[{"type":"strong"}],"text":"無需修改代碼、框架或註冊中心"},{"type":"text","text":"，由基礎層與平臺層適配業務架構、框架"}]}]},{"type":"listitem","attrs":{"listStyle":null},"content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","marks":[{"type":"strong"}],"text":"多協議支持"},{"type":"text","text":"：HTTP 、gRPC 、Dubbo、Thrift 等協議的完整流量管理與精細化治理能力，並沉澱了更多協議擴展能力"}]}]},{"type":"listitem","attrs":{"listStyle":null},"content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","marks":[{"type":"strong"}],"text":"流量動態攔截"},{"type":"text","text":"：按需對流量協議、端口動態攔截配置，降低企業 mesh 化門檻"}]}]},{"type":"listitem","attrs":{"listStyle":null},"content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","marks":[{"type":"strong"}],"text":"核心組件熱升級"},{"type":"text","text":"：Sidecar 升級無需業務重啓，助力服務框架升級效率提升 4 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多協議等複雜場景統一管控，支持業務遷移過程平滑、可觀測"}]}]},{"type":"listitem","attrs":{"listStyle":null},"content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","marks":[{"type":"strong"}],"text":"Envoy API 網關"},{"type":"text","text":" ：基於 Envoy 與 Istio Gateway CRD 擴展實現具備全生態治理能力與高性能的 API 網關，平滑接管業務原有南北向流量，實現了 "},{"type":"text","marks":[{"type":"strong"}],"text":"微服務 API 網關全面向雲原生化升級"},{"type":"text","text":"，達成了 "},{"type":"text","marks":[{"type":"strong"}],"text":"微服務集羣南北向與東西向核心基礎設施統一與共同演進"}]}]}]},{"type":"heading","attrs":{"align":null,"level":3},"content":[{"type":"text","text":"高性能：大規模微服務集羣的支撐能力"}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","text":"業務平滑遷移是服務網格落地的基本條件，而支撐大規模微服務集羣則是生產環境下對服務網格平臺的\"必考項\"。早期 Istio 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Agent 服務治理、低門檻高性能服務網格等垂直方向持續深耕，繼續夯實無侵入 Agent、Sidecar 的能力"}]}]},{"type":"listitem","attrs":{"listStyle":null},"content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","marks":[{"type":"strong"}],"text":"水平業務模式之演進"},{"type":"text","text":"：多種治理模式平滑遷移覆蓋更完整的業務場景，能力高度平臺化，繼續降低企業微服務架構演進的成本，保證平滑與穩定"}]}]},{"type":"listitem","attrs":{"listStyle":null},"content":[{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"text","marks":[{"type":"strong"}],"text":"與未來同行，歷久彌新"},{"type":"text","text":"：深度整合多運行時、Spring Native 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2020：框架在左網格在右，雲原生時代的微服務路在何方"}]}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"link","attrs":{"href":"https:\/\/www.infoq.cn\/article\/bLVkRO09oZT1hB53SkfJ","title":"xxx","type":null},"content":[{"type":"text","text":"落地三年，兩次架構升級，網易 Service Mesh 實踐之路"}]}]},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null}},{"type":"paragraph","attrs":{"indent":0,"number":0,"align":null,"origin":null},"content":[{"type":"link","attrs":{"href":"https:\/\/www.infoq.cn\/article\/SF5sl4IlUtUxuED3Musl","title":"xxx","type":null},"content":[{"type":"text","text":"雲原生時代的流量入口：Envoy 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