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.ti...@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.