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Runtime-To-Runtime Transport Matrix

Surface What it does Best for Not for Docs
discovery advertises and finds runtimes on a LAN first contact, browsing peers, pairing bootstrap deterministic data exchange by itself Discovery And Pairing
zenoh / mesh shares explicit published values and subscriptions multi-runtime data sharing on a plant network same-host HardRT contracts Mesh And Zenoh
realtime same-host bounded shared-memory transport tightly coupled low-latency paths WAN or generic IP mesh Realtime T0
web / runtime-cloud browser/fleet control plane, preflight, dispatch, rollout federation, topology, remote operations replacing deterministic data transport Runtime Cloud Federation
  1. Start with discovery if you are still finding peers or bootstrapping trust.
  2. Use zenoh mesh when the goal is selective runtime-to-runtime data flow.
  3. Use realtime only when you explicitly need same-host deterministic transport.
  4. Use runtime-cloud/web when the problem is orchestration, rollout, or fleet visibility rather than raw signal sharing.

Security boundary

connect/ answers how you wire runtimes together. operate/ answers how you run them once they are connected.