> On Fri, 17 Apr 2009, bmann...@vacation.karoshi.com wrote: > > the vlan tagging idea is a virtualization of the PNI construct. > > why use an IX when running 10's/100's/1000's of private network > > interconnects will do? > > > > granted, if out of the 120 ASN's at an IX, 100 are exchanging on > > average - 80KBs - then its likley safe to dump them all into a single > > physical port and vlan tag the heck out of it. > > > > its those other 20 that demand some special care. > > The construct also doesn't scale well for multicast traffic exchange if > there's a significant number of multicast peers even though the traffic > might be low for individual source ASNs. On the other hand, if the IXP > doesn't use IGMP/MLD snooping capable switches, then I suppose it doesn't > matter.
Didn't we go through all this with ATM VC's at the AADS NAP, etc? ... JG -- Joe Greco - sol.net Network Services - Milwaukee, WI - http://www.sol.net "We call it the 'one bite at the apple' rule. Give me one chance [and] then I won't contact you again." - Direct Marketing Ass'n position on e-mail spam(CNN) With 24 million small businesses in the US alone, that's way too many apples.
