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Reference RFC5681 and RFC6928 #1245

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merged 12 commits into from Jul 14, 2018
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Reference RFC5681 and RFC6928 #1245

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672a0b7
Reference RFC6928
ianswett Mar 20, 2018
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Reference RFC5681
ianswett Mar 20, 2018
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Update pseudocode
ianswett Mar 20, 2018
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Merge branch 'master' into ianswett-rfc6928
ianswett Jul 14, 2018
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Update draft-ietf-quic-recovery.md
ianswett Jul 14, 2018
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max_datagram_size
ianswett Jul 14, 2018
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kMaxDatagramSize
ianswett Jul 14, 2018
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Update draft-ietf-quic-recovery.md
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2 changes: 1 addition & 1 deletion draft-ietf-quic-recovery.md
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Expand Up @@ -1003,7 +1003,7 @@ kMaxDatagramSize (RECOMMENDED 1200 bytes):
overhead. The max packet size is used for calculating initial and
minimum congestion windows.

kInitialWindow (RECOMMENDED min(10 * kMaxDatagramSize,
kInitialWindow (RECOMMENDED min(10 * kMaxDatagramSize,
max(2* kMaxDatagramSize, 14600))):
: Default limit on the initial amount of outstanding data in bytes.
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I would note that RFC 6928 states the following as the TCP initial window:

More precisely, the upper bound for the initial window will be

     min (10*MSS, max (2*MSS, 14600))                            (1)

I would recommend that one do calculate this value for the Initial value, as MSS may be based on a 9K MTU, thus allowing two full packets in those cases.

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Also if mss is smaller than 1460 then more than 10 packets can be sent. Is that intentional? I am slightly worried about packet bursts. Are there a pacing requirement?

Taken from {{?RFC6928}}.
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