feat(elixir): resend pipe prototype for reliable delivery #2126
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Recoverable TCP client monitors a standard client and re-connects if it stops To use in Elixir clients and be able to recover when hub connections fail Pub sub service allows remote workers to subscribe to a known topic, which will forward messages to those workers
docs(elixir): examples of using pipes and pub-sub to build reliable delivery over hub When hub connections are not reliable use recoverable client and pub-sub to create stable routes When messages can be lost, use retry pipe to ensure at least once delivery When messages may be duplicated with recovery and retries, use index ordering to deduplicate messages
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… well with dependencies
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Current Behaviour
Currently messaging pipelines rely on the underlying protocols for message delivery guarantees (e.g. TCP).
Those intermediate workers or transports may or may not implement reliable delivery.
Proposed Changes
Resend pipe is implementing confirms and resends in order to ensure end-to-end reliable delivery
Please see
implementations/elixir/ockam/ockam/test/ockam/messaging/delivery_test.exsfor example usageChecks