Comments (3)
enobufs
commented on June 3, 2024
Additional notes:
Why it happens only with partial-reliability (unreliable) channel?
This did not happen when I used a reliable channel. This is because the receiver does not receive Forward TSN chunks. (when maxRetrasmits or maxPacketLifetime values are small, Forward TSN is transmitted almost always. Due to the lack of delayed ack, the receiver side is spending extra time handling many Foward TSN chunks in addition to a bunch of DATA chunks, causing not being able to process DATA chunks as fast as they are sent by the sender. Theoretically, this could happen with a reliable data channel also.
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enobufs
commented on June 3, 2024
Created a PR #38.
This did not resolve the "slow reader" case mentioned in #37. What's filling the packetio/buffer was actually the control chunks (Forward TSN), not the DATA chunk. However, counting rwnd using reassembly queues is the right thing to do.
The stalling problem is isolated and will be tracked in pion/ice#12.
I will get on #32 as soon as I can.
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enobufs
commented on June 3, 2024
I am going to create another PR that includes delayed ack implementation. Closing this PR.
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Related Issues (20)
- Documentation should be more clear about how to create a server HOT 5
- Endless buffering of outbound traffic when network is loaded HOT 14
- Implement Abort according to RFC 4960 HOT 1
- Data channels do not fully close when close initiated from Chrome
- panic in Association.handleCookieEcho HOT 1
- What is the difference with Linux SCTP? HOT 2
- Changing initialRecvBufSize causes datachannel to hang
- Dependency Dashboard
- SACK chunks followed by other chunks are incorrectly handled. HOT 1
- Datachannels have a great latency for poor network HOT 9
- SCTP throughput ~8x slower than TCP when the connection has latency HOT 15
- User Initiated Abort (cause code: 12) not handled HOT 3
- Remove the pending buffer after the data channel call close() by either side. HOT 12
- SCTP Streams have no SetReadDeadline
- Race in TestStreamClose introduced by the previous merge
- Potential regression by a commit c0159aa in causing `TestAssociation_Shutdown` to fail HOT 5
- Expose error definitions HOT 6
- SCTP support capabilities HOT 1
- Document planned / implemented RFCs in README
- Flaky tests and/or goroutine leaks HOT 8
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