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PONG frame #878

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merged 3 commits into from Oct 17, 2017
Merged

PONG frame #878

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b871326
PONG frame
martinthomson Oct 16, 2017
9b109a3
Actually define the error code
martinthomson Oct 16, 2017
d37d72f
Loosen UNSOLICITED_PONG requirements
martinthomson Oct 17, 2017
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9 changes: 4 additions & 5 deletions draft-ietf-quic-transport.md
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Expand Up @@ -2094,11 +2094,10 @@ The PONG frame (type=0x0d) is sent in response to a PING frame that contains
data. Its format is identical to the PING frame ({{frame-ping}}).

An endpoint that receives an unsolicited PONG frame - that is, a PONG frame
containing a payload that is either empty or not identical to the content of a
PING frame that the endpoint previously sent - MUST generate a connection error
of type UNSOLICITED_PONG. Note that the Data field of the frame is the only
thing that allows a recipient to correlate a PONG frame with the original PING
frame.
containing a payload that is empty MUST generate a connection error of type
FRAME_ERROR, indicating the PONG frame (that is, 0x10d). If the content of a
PONG frame does not match the content of a PING frame previously sent by the
endpoint, the endpoint MAY generate a connection error of type UNSOLICITED_PONG.


## ACK Frame {#frame-ack}
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