Packet size data

Mon Aug 11 22:49:08 UTC 1997

> Hi,
> 	Does anyone have any /recent/ information on the breakdown of packet sizes
> crossing the net right now?  I have seen some of the older data, but am
> interested in whether or not the percentages are changing over time, and if
> so, how.  I.e. I could see people moving from interactive services such as
> telnet for reading mail and news to going to a client based system would up
> the packet sizes.  Likewise, the use of some of the streaming video and
> audio applications out there might lower it again.  In my mind, recent is
> anything that has been done in the last 6 months or so.

 i can't give you historical data but here's current netflow data 
from our mae-west (san jose, not nasa/ames) and mae-east peer routers:

peer1.sjc1#sh ip ca fl
IP packet size distribution (9577M total packets):
   1-32   64   96  128  160  192  224  256  288  320  352  384  416  448  480
   .001 .500 .032 .013 .016 .009 .009 .009 .020 .017 .006 .009 .009 .007 .003
 
    512  544  576 1024 1536 2048 2560 3072 3584 4096 4608
   .008 .004 .088 .042 .188 .000 .000 .000 .000 .000 .000
 
 
peer1.wdc1#sh ip ca flow
IP packet size distribution (12535M total packets):
   1-32   64   96  128  160  192  224  256  288  320  352  384  416  448  480
   .000 .646 .045 .010 .010 .005 .006 .005 .015 .013 .015 .009 .005 .005 .003
 
    512  544  576 1024 1536 2048 2560 3072 3584 4096 4608
   .003 .006 .095 .014 .078 .000 .000 .000 .000 .000 .000

  i guess everyone is pinging these days :)

-brett