Ted Ross created DISPATCH-169:
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Summary: Add Ingress FIFO for incoming message-routed links
Key: DISPATCH-169
URL: https://issues.apache.org/jira/browse/DISPATCH-169
Project: Qpid Dispatch
Issue Type: New Feature
Components: Router Node
Reporter: Ted Ross
Assignee: Ted Ross
Fix For: 0.6
The current router design does message routing synchronously with the receipt
of delivered messages. The proposed improvement will put a FIFO for deliveries
on the incoming links (only for links used for message-routing, not
routed-links). This has the following benefits:
- A credit loop can be established for the producer such that back-pressure
prevents the FIFO from exceeding a defined limit.
- Messages that cannot be routed, or that are lost due to topology change can
be resent from the ingress link without the involvement of the attached client.
- Routing can be moved to a single thread thus eliminating lock contention on
the route table.
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