North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: packet reordering at exchange points
> Hmmmm. You're right. I lost sight of the original thread... > GigE inter-switch trunking at PAIX. In that case, congestion > _should_ be low, and there shouldn't be much queue depth. indeed, this is the case. we keep a lot of headroom on those trunks. > But this _does_ bank on current "real world" behavior. If > endpoints ever approach GigE speeds (of course requiring "low > enough" latency and "big enough" windows)... > > Then again, last mile is so slow that we're probably a ways away > from that happening. my expectation is that when the last mile goes to 622Mb/s or 1000Mb/s, exchange points will all be operating at 10Gb/s, and interswitch trunks at exchange points will be multiples of 10Gb/s. > Of course, I'd hope that individual heavy pairs would establish > private interconnects instead of using public switch fabric, but > I know that's not always { an option | done | ... }. individual heavy pairs do this, but as a long term response to growth, not as a short term response to congestion. in the short term, the exchange point switch can't present congestion. it's just not on the table at all.
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