Question about peering

Fri Apr 6 19:11:47 UTC 2012

Hello everyone

I am curious to know how small ISPs plan peering with other interested
parties. E.g if ISP A is connected to ISP C via big backbone ISP B, and say
A and C both have open peering policy and assuming the exist in same
exchange or nearby. Now at this point is there is any "minimum bandwidth"
considerations? Say if A and C have 1Gbps + of flowing traffic - very
likely peering would be good idea to save transit costs to B. But if A and
C have very low levels - does it still makes sense? Does peering costs
anything if ISPs are in same exchange? Does at low traffic level it makes
more sense to keep on reaching other ISPs via big transit provider?

Thanks.

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Anurag Bhatia
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