tilting at windmills discussion 2

Vadim Antonov avg at postman.ncube.com
Wed Jun 19 06:51:36 UTC 1996


>IP packet size distribution (970780293  total packets):
>   1-32   64   96  128  160  192  224  256  288  320  352  384  416  448  480
>   .000 .497 .094 .013 .009 .006 .007 .010 .010 .014 .004 .005 .002 .002 .002
>	^^^^
>   512  544  576 1024 1536 2048 2560 3072 3584 4096 4608
>  .004 .002 .189 .000 .069 .053 .000 .000 .000 .000 .000
>
>Collected at a private interconnect between CICNet, OARnet and OSU. over a
>period of a week or so.

This is not surprising if you think of it.  Short packets are
pure ACKs, telnet keystrokes and SYNs.  What is worrying is the
peak at 576.  It means TCP unable to grasp that path MTU is
really 1.5K.

--vadim





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