Multiprocessing for network protocol stack

[Venkatesh.Babu at nokia.com]

 I looked at the following document, it gives the overview of the 5.x
changes but it has little information on parallelizing the protocol
stack. There are only 3 sentences and which says different concepts like
per-CPU split of packets and connections are used. I am looking for more
details.

 "Predictable Parallel Protocol Processing" paradigm is useful in
cases where predictable delay is of importance. Typically useful for the applications like video-on-demand, distributed multi-player games and video conferences. For more information refer the following paper -
http://www.artes.uu.se/project/P2-9805.pdf

 VBabu

-----Original Message-----
From: owner-freebsd-smp at freebsd.org
[mailto:owner-freebsd-smp at freebsd.org]On Behalf Of ext Joseph Koshy
Sent: Monday, October 18, 2004 6:33 PM
To: Babu Venkatesh (Nokia-NET/MtView)
Cc: freebsd-smp at freebsd.org
Subject: Re: Multiprocessing for network protocol stack


> latest FreeBSD like 4.x or 5.x to get multiprocessor support. So I am
> trying to evaluate these options.

You must have already looked at the following presentation (it gives
a good overview of the stuff in 5.x):

   http://people.freebsd.org/~andre/FreeBSD-5.3-Networking.pdf

>  What parallelizing paradigm (Connection level parallelism / Packet level
> parallelism / processor per message / predictable parallel protocol
> processing) is implemented for network protocol stack (like TCP/IP) in
> BSD 5.x ?

What is "predictable parallel protocol processing"?
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