North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: Traffic Engineering
At 04:23 PM 9/17/97 -0700, Pushpendra Mohta wrote: > >Even in the scenario where physical proximity automatically implied >network proximity, I think the assumption that local traffic will >dominate communications needs to be revisited. It is true today, only >because that is how people live lives and conduct business _today_. The >concept of "community" today is geographical.. the communities of >tommorrow may not be so restricted. > True, it's an assumption, but as I said in another message, the only other example we have of such a network is the telephone network. And, given the choice, why wouldn't most people join a local community rather than a far-away or abstract community? But there is not much point in arguing about this -- let's just keep our eyes on the traffic patterns and see what happens and adjust accordingly. > >> >> Another example is distributed web hosting. When distributed web hosting >> takes off, your backbone will be heavily discounted and your peripheral >> interconnect bandwidth will be woefully short. Web traffic will zoom as >> performance dramatically improves, but your backbone bandwidth will drop. >> That breaks your traffic model. >> > >This is true of a business model based around content distrubution only. >Most ISPs of size will have both publishers and consumers of information >so the backbones utilization should be balanced. > > I see a lot of asymmetries today. Some service providers have a lot of business access connections, some have mostly web hosting, and some have mostly retail eyeballs. Of course, CERFnet may be better able to balance than most, but I expect you'll support whatever sells, whether it balances or not. :-) Cheers. --Kent
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