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add fields and events for DPLPMTUD #210

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Sep 9, 2022
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add fields and events for DPLPMTUD #210

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22 changes: 22 additions & 0 deletions draft-ietf-quic-qlog-quic-events.md
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Original file line number Diff line number Diff line change
Expand Up @@ -779,6 +779,8 @@ TransportPacketSent = {
? raw: RawInfo
? datagram_id: uint32

? is_mtu_probe_packet: bool .default false

? trigger:
; draft-23 5.1.1
"retransmit_reordered" /
Expand Down Expand Up @@ -1347,6 +1349,8 @@ RecoveryPacketLost = {
; see appendix for the QuicFrame definitions
? frames: [* QuicFrame]

? is_mtu_probe_packet: boolean .default false

? trigger:
"reordering_threshold" /
"time_threshold" /
Expand Down Expand Up @@ -1391,6 +1395,24 @@ RecoveryMarkedForRetransmit = {
~~~
{: #recovery-markedforretransmit-def title="RecoveryMarkedForRetransmit definition"}

## mtu_updated
Importance: Extra

~~~ ccdl
MTUUpdated = {
? mtu: uint16

; at some point, MTU discovery stops, as a "good enough"
; packet size has been found
? done: boolean .default false
}
~~~
{: #mtu-updated-def title="MTUUpdated definition"}

This event indicates that the estimated Path MTU was updated. This happens as
part of the Path MTU discovery process.


# Security Considerations

TBD
Expand Down