smux

simple multiplexing

goals

1. receive window is shared among the streams.
2. precise flow control(pluggable stragety like linux TC).
3. precise memory control.
4. maximized payload.
5. optimized for high-speed streams.
6. aim for game services.

FRAMETYPE=Data, OPTIONS=(flagSYN, flagACK, flagFIN, flagRST)
+---------------+--------------+------------+--------------+--------------------------------+
|               |              |            |              |                                |
| FRAMETYPE(1B) | OPTIONS(1B)  | LENGTH(2B) | STREAMID(4B) | DATA(MAX 64K)                  |
|               |              |            |              |                                |
+---------------+--------------+------------+--------------+--------------------------------+

FRAMETYPE=WindowUpdate
+---------------+--------------+------------+
|               |                           |
| FRAMETYPE(1B) |  WINDOWSIZE(4B)           |
|               |                           |
+---------------+--------------+------------+

FRAMETYPE=Ping, OPTIONS=(flagSYN, flagACK)
+---------------+--------------+------------+------------+
|               |              |                         |
| FRAMETYPE(1B) | OPTIONS(1B)  | PINGID(4B)              |
|               |              |                         |
+---------------+--------------+------------+------------+

FRAMETYPE=GoAway 
+---------------+---------------+
|               |               |
| FRAMETYPE(1B) | ERROR(2B)     |
|               |               |
+---------------+---------------+

status

in-progress