From e855a9a375f155468f96d4775d6d511b3c835534 Mon Sep 17 00:00:00 2001 From: ianswett Date: Mon, 6 Aug 2018 08:59:21 -0400 Subject: [PATCH 1/2] Sender/Receiver --- draft-ietf-quic-recovery.md | 13 ++++++------- 1 file changed, 6 insertions(+), 7 deletions(-) diff --git a/draft-ietf-quic-recovery.md b/draft-ietf-quic-recovery.md index 6125a09030..7bd539d54f 100644 --- a/draft-ietf-quic-recovery.md +++ b/draft-ietf-quic-recovery.md @@ -1212,19 +1212,18 @@ packet size. Acknowledgement patterns may expose information about link characteristics or application behavior. Endpoints can use PADDING frames or bundle acknowledgments with other frames to reduce leaked information. - ## Misreporting ECN Markings -An endpoint can misreport ECN markings to alter the congestion response of a -peer. Suppressing reports of ECN-CE markings could cause a peer to increase -their send rate. This increase could result in congestion and loss. +An receiver can misreport ECN markings to alter the congestion response of a +sender. Suppressing reports of ECN-CE markings could cause a sender to +increase their send rate. This increase could result in congestion and loss. -An endpoint MAY attempt to detect suppression of reports by marking occasional +A sender MAY attempt to detect suppression of reports by marking occasional packets that they send with ECN-CE. If a packet marked with ECN-CE is not -reported as having been marked when the packet is acknowledged, the endpoint +reported as having been marked when the packet is acknowledged, the sender SHOULD then disable ECN for that path. -Reporting additional ECN-CE markings will cause a peer to reduce their sending +Reporting additional ECN-CE markings will cause a sender to reduce their sending rate, which is similar in effect to advertising reduced connection flow control limits and so no advantage is gained by doing so. From d48f78b9278d6a74bee65d1b0252e1c0904552a2 Mon Sep 17 00:00:00 2001 From: ianswett Date: Mon, 6 Aug 2018 10:09:26 -0400 Subject: [PATCH 2/2] Update draft-ietf-quic-recovery.md --- draft-ietf-quic-recovery.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/draft-ietf-quic-recovery.md b/draft-ietf-quic-recovery.md index 7bd539d54f..7100c15aa4 100644 --- a/draft-ietf-quic-recovery.md +++ b/draft-ietf-quic-recovery.md @@ -1214,7 +1214,7 @@ bundle acknowledgments with other frames to reduce leaked information. ## Misreporting ECN Markings -An receiver can misreport ECN markings to alter the congestion response of a +A receiver can misreport ECN markings to alter the congestion response of a sender. Suppressing reports of ECN-CE markings could cause a sender to increase their send rate. This increase could result in congestion and loss.