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Cell Relay Retreat>List Archive>month:1994-Oct> msg00140



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IP Broadcast

  • From: hiroshi@ctr.columbia.edu (Hiroshi Esaki)
  • Date: Mon, 24 Oct 1994 15:44:04 -0400
  • CC: mwg@faline.bellcore.com, J.Crowcroft@cs.ucl.ac.uk, int-serv@isi.edu, ip-atm@hpl.hp.co.uk



      >> FIFO with big buffer will be fair for every body, I think. 

  jh> are you suggesting that the current internet is fair for everybody?  my
  jh> experience is contrary.  the current internet favours those who send
  jh> more and don't care about congestion.  i would like the ubr give fair
  jh> share for both tcp and udp streams, which can't be accomplished just by
  jh> big buffers.

You may be right. 
Current Internet may not offer fair service from your point of view.
But, you could see from the different view, you could try to access
whenever you want and what speed (bit rate) you want. 
Yes, low speed packet will suffer from the high speed packet 
flow. But, both flow will suffer with the same propability. 
There are many matrics to measure the fairness. 
Of course, in ATM Forum (TM-WG), the available bandwidth 
for every packet flow is fair in congestion state is the 
definition of fairness. 

Hiroshi Esaki