[ppml] Policy Proposal 2006-2: Micro-allocations for Internal Infrastructure

[Scott Leibrand]

On 04/12/06 at 10:56pm -0400, Harold Ritter (hritter) <hritter at cisco.com> wrote:

> Modify BGP implementations so they only consider host routes (/128) as
> valid routes to resolve the BGP next-hop. This way, if a router goes
> down and its loopback interface address disappears from the IGP, its BGP
> neighbors will immediately be able to react by invalidating all BGP
> prefixes having this address as their BGP next-hop, which leads to a new
> BGP best path being selected. This should also be configurable to accept
> a less specific prefix to cope with cases where /128 prefixes are not
> injected in the IGP under normal conditions.

Sounds like a workable solution to me...  But...

> This solution as been applied and tested with ipv4 and is also
> applicable to ipv6.

Is this actually available in IOS (for either IPv4 or IPv6)?  If not, how
long would it take to get it tested and made available?

-Scott