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【XDS】Dubbo xds 分享-3 #282

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huajiao-hjyp opened this issue Jan 29, 2024 · 0 comments
Open

【XDS】Dubbo xds 分享-3 #282

huajiao-hjyp opened this issue Jan 29, 2024 · 0 comments

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@huajiao-hjyp
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Dubbo-xds 功能实现 RFC

整体流程

之前是借用原有的Directory在Router层面做改动实现xds功能,这样做可以完成路由匹配、流量切分等功能,但限制了安全、超时、重试、故障注入等功能的实现。
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新的方案会在更上层新定义了XdsClusterXdsClusterInvokerXdsRegistry等组件,以便更有限度实现复杂功能。
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现有逻辑
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初始化链路

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调用链路

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资源更新

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LDS 更新:更新 LDS 资源 -> 更新 RDS 资源 -> 更新 CDS 资源(订阅或取消订阅);
RDS 更新:更新 RDS 资源 -> 更新 CDS 资源(订阅或取消订阅);
CDS 更新:更新 CDS 资源 -> 更新对应的 EDS 资源;
EDS 更新:更新 EDS 资源;

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