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Packet number encoding appendix #4315

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merged 7 commits into from Nov 3, 2020
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Packet number encoding appendix #4315

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Packet number encoding in appendix, move examples
MikeBishop Oct 29, 2020
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Expand example
MikeBishop Oct 29, 2020
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Apply suggestions from code review
MikeBishop Oct 30, 2020
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Less python, more handwaving
MikeBishop Oct 30, 2020
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period
martinthomson Nov 1, 2020
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Truncatencode
MikeBishop Nov 3, 2020
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Restore the comment in the original text
MikeBishop Nov 3, 2020
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4 changes: 2 additions & 2 deletions draft-ietf-quic-transport.md
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Expand Up @@ -7411,7 +7411,7 @@ The EncodePacketNumber function takes two arguments:

* full_pn is the full packet number of the packet being sent.
* largest_acked is the largest packet number which has been acknowledged by the
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recipient in the current packet number space, if any
peer in the current packet number space, if any
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~~~
EncodePacketNumber(full_pn, largest_acked):
Expand All @@ -7433,7 +7433,7 @@ EncodePacketNumber(full_pn, largest_acked):
For example, if an endpoint has received an acknowledgment for packet 0xabe8bc
and is sending a packet with a number of 0xac5c02, there are 29,519 (0x734f)
outstanding packets. In order to represent at least twice this range (59,038
packets, or 0xe69e), 16 bits will be required.
packets, or 0xe69e), 16 bits are required.

In the same state, sending a packet with a number of 0xace8fe uses the 24-bit
encoding, because at least 18 bits are required to represent twice the range
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