26 Feb
2004
26 Feb
'04
1:23 p.m.
1) their backbones currently "work" - changing them into something which may or may not "work better" is a non-trivial operation, and risks the network.
i would disagree. their backbone tend to reach scaling problems, hence the need for bleeding/leading edge technologies. that's been my experience in three past-large networks.
This is perhaps current. Check back to see large deployments GSR - sprint/UUNEt GRF - uunet Juniper - UUNET/CWUSA
indeed, and going back even further is-is, 7000 and the original SSE - mci/sprint vip and netflow - genuity (the original)/probably many others -b