Take a look at https://github.com/grpc/proposal/blob/master/A47-xds-federation.md which describes how multiple xds servers are specified in the bootstrap file and the federation use-case. Which gRPC language are you using?
On Monday, April 17, 2023 at 2:26:12 PM UTC+5:30 Gabriel Bordovský wrote: > Hi, > I work in a company that uses separate infrastructure (an internal k8s > cluster) for separated teams. > Now these teams modernize their services and often use gRPC. > We want to employ the xDS for time-sensitive components while each team > providing some service is responsible for its own xDS server/control plane. > > We currently have an issue where one service should aggregate the results > of two (or possibly more) others provided by other teams. > The idea was to create two separate gRPC clients, one for each xDS server. > But as for [documentation/proposal]( > https://github.com/grpc/proposal/blob/master/A27-xds-global-load-balancing.md) > > the xDS client is configured using a bootstrap file specified by an > environmental variable `GRPC_XDS_BOOTSTRAP`. This file does not support > multiple servers ("xds_servers" is an array, but only the first element is > currently used and in the future, the others should be fallbacks). > > My question is if there is a recommended way to connect to multiple xDS > servers? > > The only solution I can think of now is to modify the `GRPC_XDS_BOOTSTRAP` > variable between the creation of the separate clients, which does not feel > right and I am not sure how safe it will be. It could work if the bootstrap > file is read when the client is initialized and is not referenced later... > but there could be a ton of different issues. > > Best regards, > Gabriel Bordovský -- You received this message because you are subscribed to the Google Groups "grpc.io" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/grpc-io/ac921eb6-b535-442d-a7ff-a5a36729633cn%40googlegroups.com.
