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Increase max length of largest acked #629

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Jun 13, 2017
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Increase max length of largest acked #629

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14 changes: 7 additions & 7 deletions draft-ietf-quic-transport.md
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Original file line number Diff line number Diff line change
Expand Up @@ -1610,11 +1610,11 @@ The type byte for a ACK frame contains embedded flags, and is formatted as
packets (i.e., whether the ACK Block Section contains a Num Blocks field).

* The two `LL` bits encode the length of the Largest Acknowledged field.
The values 00, 01, 02, and 03 indicate lengths of 8, 16, 32, and 48
The values 00, 01, 02, and 03 indicate lengths of 8, 16, 32, and 64
bits respectively.

* The two `MM` bits encode the length of the ACK Block Length fields.
The values 00, 01, 02, and 03 indicate lengths of 8, 16, 32, and 48
The values 00, 01, 02, and 03 indicate lengths of 8, 16, 32, and 64
bits respectively.

An ACK frame is shown below.
Expand All @@ -1625,7 +1625,7 @@ An ACK frame is shown below.
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|[Num Blocks(8)]| NumTS (8) |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Largest Acknowledged (8/16/32/48) ...
| Largest Acknowledged (8/16/32/64) ...
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| ACK Delay (16) |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
Expand Down Expand Up @@ -1684,15 +1684,15 @@ field.
0 1 2 3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| First ACK Block Length (8/16/32/48) ...
| First ACK Block Length (8/16/32/64) ...
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| [Gap 1 (8)] | [ACK Block 1 Length (8/16/32/48)] ...
| [Gap 1 (8)] | [ACK Block 1 Length (8/16/32/64)] ...
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| [Gap 2 (8)] | [ACK Block 2 Length (8/16/32/48)] ...
| [Gap 2 (8)] | [ACK Block 2 Length (8/16/32/64)] ...
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
...
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| [Gap N (8)] | [ACK Block N Length (8/16/32/48)] ...
| [Gap N (8)] | [ACK Block N Length (8/16/32/64)] ...
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
~~~
{: #ack-block-format title="ACK Block Section"}
Expand Down