[e2e] Number of persistent connections per HTTP server?
avg at kotovnik.com
Mon Oct 14 22:42:33 PDT 2002
On Mon, 14 Oct 2002, Joe Touch wrote:
> > Doing multiplexing within single TCP session effectively shares the timing
> > and congestion control information between flows, which is a good thing
> > (this can be achieved by storing that info on per-peer-host basis in the
> > TCP stack, instead of TCBs - however, this technique breaks down in case
> > of NATs which can make different boxes appear to be the same box, or in
> > case of per-flow load sharing in the network).
> Since the NAT likely shares the majority of the path that determines RTT
> and bandwidth, it won't hurt sharing.
Very often, this is not the case. What you have in a typical organization
is single NAT/firewall, and a VPN behind it. Quite often parts of that
VPN are on different continents :)
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