Trimmed up the Cc: list a bit. I think this is getting way off topic though..
On Mon, 22 Jul 2002, Kuntal Chowdhury wrote: > Here are two of the reasons why I think RO will be undesirable: > > 1. It allows the users to entirely bypass the home IP provider's network. > This will keep the home IP network providers out of added revenue streams. > The situation will be even worse when the AAA clients for accounting are in > the home IP network which will not be in the data path due to RO. The data does not go to the home IP provider's network so there is absolutely zero reason be able to gain revenue from that. > 2. Imposes unnecessary processing requirement on ALL IPv6 devices to support > this non-mandatory functionality. My personal opinion is a SHOULD, but I think 'unnecessary' is a bit harsh. > Here is a reason why I think RO will be meaningless: > > The core of the internet is managed by large carriers. These carriers use > (or will be using) Constrained Based Routing (OSPF-TE) instead of plain > OSPF. In which world? > The main purpose is traffic engineering. Therefore the path between > the CN and the MN may not always be the shortest one even with RO. It > entirely depends on the traffic engineering of the intervening networks. As > an example: > If the CN is in Chicago, MN is in Dallas and the HA is in Miami, if the > shortest route between Chicago and Dallas has less weight (not preferred by > OSPF-TE) then all the IP packets between CN and the MN will be routed via an > alternative path which may well be via Miami. Therefore RO will be a waste > of time and resource. If TE is used to route the traffic via such slow paths the difference is noticeable (at least, without measurement tools), the network is designed and operated badly, period. Nobody would want to pay for that kind of service. -- Pekka Savola "Tell me of difficulties surmounted, Netcore Oy not those you stumble over and fall" Systems. Networks. Security. -- Robert Jordan: A Crown of Swords -------------------------------------------------------------------- IETF IPng Working Group Mailing List IPng Home Page: http://playground.sun.com/ipng FTP archive: ftp://playground.sun.com/pub/ipng Direct all administrative requests to [EMAIL PROTECTED] --------------------------------------------------------------------
