Re: Yahoo! Lessons Learned

[Alex Rubenstein <alex () nac net>]

> Alex Rubenstein <alex () nac net> wrote:
>
> > It can also be argued that at some point, the speed
> > capabilities of the core router scheme will not be able to keep up with
> > currently technology.
>
> Yawn.  What do you think the speed capabilities of "core router
> scheme" are?  You know, some very fast routers are rumored to
> ship this year.

As rumoured much faster traffic levels. Probably the need will eclipse the
ability, soon enough.

> > It's my opinion that at some point a 'routed' core
> > will no longer be feasible, and it will be switched -- using what
> > mechanism, I don't know (ATM? MPLS?).
>
> ATM, MPLS (or whatever idiotic virtual circuit scheme there is) can not
> increase switching or routing capacity of boxes, period.  These only serve
> to screw up dynamic adaptive routing, forcing carriers to rely on wasteful
> dual-ring SONET redundancy instead (and it still doesn't protect from a
> switch crashing every few minutes).

No comment on this, as I have none.