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Larger than 0 for ECN #308

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Larger than 0 for ECN #308

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ianswett
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Fixes #307

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@martinduke martinduke left a comment

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This is Editorial, but even if threshold==0, we're acking anyway so the qualifier isn't really necessary.

I might also add a sentence saying that this changes the advice in RFC 9000 Section 13.2.1, which is to immediately ACK every CE packet. This is probably important for reviewers to understand.

Whether you take my advice or not, LGTM.

@@ -444,7 +444,7 @@ a Reordering Threshold of 2.

## Expediting Explicit Congestion Notification (ECN) Signals {#congestion}

If the Ack-Eliciting Threshold is larger than 1, an endpoint SHOULD send
If the Ack-Eliciting Threshold is larger than 0, an endpoint SHOULD send
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Suggested change
If the Ack-Eliciting Threshold is larger than 0, an endpoint SHOULD send
Regardless of the Ack-Eliciting Threshold, an endpoint SHOULD send

@mirjak
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mirjak commented Dec 23, 2024

This fix is not correct. This was discussed in issue #253 and PR #277. I will add also a comment in the new issue #307.

@ianswett ianswett closed this Dec 23, 2024
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When to ACK on new CE?
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