4 Sep
2011
4 Sep
'11
4:03 p.m.
Because routing to peers as a policy instead of customer as a matter of policy, outside of corner cases make logical sence.
welcome to the internet, it does not always make logical sense at first glance. the myth in academia that customers are always preferred over peers comes from about '96 when vaf complained to asp and me (and we moved it to nanog for general discussion) that we were not announcing an identical prefix list to him at east and west. the reason turned out to be that, on one of the routers, a peer path was shorter in some cases, so we had chosen it. we were perfectly happy with that but vaf was not, and he ran the larger network so won the discussion. randy