On Fri, May 17, 2002 at 11:48:32AM +0200, Iljitsch van Beijnum wrote:
A bunch of us are thinking about multihoming solutions for IPv6. For this purpose, it is useful to know a bit more about how actual networks (rather than the ones existing only as ASCII drawings) interconnect. So:
- What are the 12 - 18 most important interconnect locations in the world? MAE East, the Ameritech, Sprint and PacBell NAPs, PAIX, LINX and AMS-IX come to mind, but from where I'm sitting it's hard to judge whether others are important or marginal.
- To how many of them do typical tier-1 and tier-2 networks connect?
- Using private or public interconnects?
Lets see... Your dead or dieing classics are: MAE East, MAE West, AADS, SprintNap, PBNap, and with luck any other ATM exchanges (and may they turn the power off on any remaining FDDI soon). The biggest exchange point in the US is probably PAIX in Palo Alto, and the biggest public exchange is probably LINX. Both of these are excellent places to be. There are some relatively small regionals like NYIIX where you won't find many large carriers, but they still have their own little nitch markets. For example, you won't find many of the Asian or European networks anywhere else on the east coast, without going to PAIX-PAO or Europe yourself. Then we have "the rest". Equinix and PAIX are both trying to take over the market for exhange points in the US (in similar markets, Equinix = SJC IAD NYC ORD DFW LAX, PAIX += SEA ATL). But without even comparing the quality of services offered, I believe Equinix will be the winner for the following reasons: * Financial stability - Equinix is fairly close to being cash flow positive, while PAIX is fairly close to going to the highest bidder. * Price - In these times of cost conciousness (and transit available for less than the price of peering), many people are taking a step back and realizing that PAIX services are OUTRAGEOUSLY priced vs the competition. Some big carriers are turning down their PAIX switch ports, even at Palo Alto. * Carrier choice - The big carriers have clearly all chosen Equinix as the location for their future peerings (with the exception of AboveNet, who obviously will not set foot in there :P). * More diverse market - While PAIX doubles your rack price if you aren't buying a switch port, Equinix markets to end users looking for carrier diversity (and they have the facilities to support this). This has brought the big carriers to sell transit as well as to peer. Of course each market has their own advantages and disadvantages, for example in Dallas both PAIX and Equinix sit right beside each other at the Infomart. In others, one or the other is out of space. -- Richard A Steenbergen <ras@e-gerbil.net> http://www.e-gerbil.net/ras PGP Key ID: 0x138EA177 (67 29 D7 BC E8 18 3E DA B2 46 B3 D8 14 36 FE B6)