Dual stack IPv6 for IPv4 depletion
Owen DeLong
owen at delong.com
Wed Jul 8 19:32:15 UTC 2015
I think the “THING” that people are starting to worry about is how to deploy a network when you can’t get IPv4 space for it at a reasonable price.
Owen
> On Jul 8, 2015, at 11:47 , Mark Tinka <mark.tinka at seacom.mu> wrote:
>
>
>
> On 8/Jul/15 17:59, Mel Beckman wrote:
>> Greg,
>>
>> After investigating what a previous poster said about Cisco and Juniper, I'm getting the feeling that not all major impediments to running MPLS over IPv6-only networks have been addressed.
>>
>> Your comment mentions LDP IPv6 support. Do you now handle all the major gaps identified the the IETF MPLS IPv6 Gap Analysis (RFC7439) from this last January?
>>
>> https://tools.ietf.org/html/rfc7439#section-3
>>
>> It seems like their are still gaps in the MPLS spec itself before IPv6 has parity with IPv4 in MPLS.
>
> The LDPv6 support is just the control plane portion to get labels
> assigned to IPv6 addresses. This should get you basic forwarding of
> encapsulation and forwarding of IPv6 traffic in MPLS. The immediate
> use-case would be removal of IPv6 BGP routing in the core, if that is
> your thing.
>
> Otherwise, yes, there are still a bunch of MPLS gaps that need to be
> fixed for those additional services to run natively over an IPv6-only
> network. Baby steps...
>
> Mark.
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