> Here's a fun exercise: Drop your 5 busiest peers, and see if your > operating costs a) increase, b) decrease, or c) remain the same.
If your full cost of peering with UUNET (including things such as depreciation) comes to $400 per mbit/sec and via a promisig local ISP you can get transit to UUNET at $200 per mbit/sec, your costs will decrease. Just because the IP is free with peering does not mean that it costs $0 to peer. Alex