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Commit 5cce32db authored by Miek Gieben's avatar Miek Gieben
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Add words on grpc service config 

Signed-off-by: default avatarMiek Gieben <miek@miek.nl>
parent 885514b6
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plugin/traffic/README.md
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...@@ -35,6 +35,10 @@ enough to select the best one. When SRV records are returned, the endpoint DNS n ...@@ -35,6 +35,10 @@ enough to select the best one. When SRV records are returned, the endpoint DNS n
`endpoint-<N>.<cluster>.<zone>` that carries the IP address. Querying for these synthesized names `endpoint-<N>.<cluster>.<zone>` that carries the IP address. Querying for these synthesized names
works as well. works as well.
[gRPC Service Config](https://github.com/grpc/proposal/blob/master/A2-service-configs-in-dns.md),
when queried for `_grpc_config.<cluster> TXT` such config will be returned. Currently the config
itself is staticly defined from the properties given in the *traffic* plugin itself.
Load reporting is not supported for the following reason: A DNS query is done by a resolver. Load reporting is not supported for the following reason: A DNS query is done by a resolver.
Behind this resolver (which can also cache) there may be many clients that will use this reply. The Behind this resolver (which can also cache) there may be many clients that will use this reply. The
responding server (CoreDNS) has no idea how many clients use this resolver. So reporting a load of responding server (CoreDNS) has no idea how many clients use this resolver. So reporting a load of
......
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