2.20.2. Federation features

Features of the Red Hat OpenShift Service Mesh federated approach to joining meshes include the following:

Supports common root certificates for each mesh.
Supports different root certificates for each mesh.
Mesh administrators must manually configure certificate chains, service discovery endpoints, trust domains, etc for meshes outside of the Federated mesh.
Only export/import the services that you want to share between meshes.
- Defaults to not sharing information about deployed workloads with other meshes in the federation. A service can be exported to make it visible to other meshes and allow requests from workloads outside of its own mesh.
- A service that has been exported can be imported to another mesh, enabling workloads on that mesh to send requests to the imported service.
Encrypts communication between meshes at all times.
Supports configuring load balancing across workloads deployed locally and workloads that are deployed in another mesh in the federation.

When a mesh is joined to another mesh it can do the following: