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Re: [RRG] Why delaying initial packets matters
On Feb 13, 2008, at 6:50 AM, Lars Eggert wrote:
But there are maybe a few million routers in the world, and maybe
even fewer for which scalability is a serious issue, compared to a
few billion hosts. Deploying something new at the network layer that
might require changes to host stacks or applications to maintain
performance at current levels would be a non-starter.
We already have to change host stacks and applications to support
IPv6. Given the minimal deployment of IPv6 to date, particularly
within the application space, this doesn't seem like a non-starter to
And to be clear, most applications that exist today (that have been
ported to IPv6) wouldn't need to change. Even in the worst case pure
pull-based system, the only applications that would need to change
would be those that are very sensitive to delays in the initial flow
RTT. To date, there has been mention of one (channel changing) on
this list. I'm sure there are others and I'd be interested in
understanding their constraints, but I imagine those applications are
in a distinct minority.
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