A103: xDS Composite Filter #511
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This was referenced Oct 2, 2025
ejona86
reviewed
Nov 25, 2025
| - matcher: gRPC will not support this deprecated field. | ||
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| We will also support per-route overrides via the | ||
| [`envoy.extensions.common.matching.v3.ExtensionWithMatcherPerRoute` |
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So this means we can have filters defined wholly in the RouteConfiguration? The Listener would no longer enumerate all the filters being used.
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Yes, that's correct.
In the future, we'll also add ECDS support, which would be another way for the Listener to not enumerate all of the filters being used, even if there is no per-route override.
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A39 says that
There must be at least one filter in the list, or the Listener resource will be NACKed.Is this no longer true ?Note that gRPC will not fail validation if the map key specifies a filter instance name that does not exist in the HttpConnectionManager filter list. This is because during an update, the xDS client code cannot know which HttpConnectionManager config is currently being used.Do we ignore such filters currently ? and will we continue doing so ?
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This gRFC does not modify A39 in any way. Both of those statements from A39 are still true.
ejona86
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Dec 30, 2025
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