[e2e] What's the benefit of out-of-order processing?

[David G. Andersen]

Sam Liang just mooed:

> [Snip:  SCTP provides out-of-order processing, unlike TCP...]
> 
>   Is there any study done on evaluating the effect of this TCP
> "deficiency"?  What applications really need to and are capable to do
> out-of-order processing? Can video over IP or voice over IP applications
> process frames out-of-order? With SCTP's order-of-arrival delivery, how
> much performance boost can be achieved over TCP, in terms of increased
> throughput and reduced delay?

   For a start, see:

http://www.cs.berkeley.edu/~suchi/papers/raman-icnp00.ps

   ITP provides out-of-order delivery of frames to an image rendering
program (jpeg, etc.).  On lossy links, it results in better perceptual
quality of the images more quickly, compared to TCP.

  -Dave

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