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Re: v6 multihoming and route filters
Pekka Savola wrote:
On Wed, 28 Jun 2006, Azinger, Marla wrote:
I ask the V6 WG to create a "best practice for multihoming" that can
be utilized today. I ask that you please insert the solution to
filter at /48 thus allowing "upstream providers" to provide
multihoming to their customers. This solution is needed to support
providers creating V6 networks and this solution can easily be added
into Marc's "IP V6 Routing Policy Guidelines" document.
This is unlikely to get traction in the WG. The initial draft was
basically like that but was changed. Many people (myself included)
opposed (and will oppose) recommeding opening filters up to /48.
Let's not create a swamp out of v6 address space with more specific junk.
See RFC 4177 section 5.1:
"This approach generally meets all the goals for multi-homing
approaches with one notable exception: scaleability."