The Map-Resolver Anycast prefixes

The Prefixes:

In cooperation with InTouch NV, Amsterdam, we have requested two experimental resources from RIPE. As quoted from the draft-ietf-lisp-ms-06 draft:

A Map-Resolver can be set up to use “anycast”, where where the same address is assigned to multiple Map-Resolvers and is propagated through IGP routing, to facilitate the use of a topologically-close
Map-Resolver each ITR.

The two main reasons for using public anycasted Map-Resolver:

  • cookie stamp configurations of xTR’s
  • community effort to bring map-resolvers closer to endusers

The main advantage of offering this service through anycast is ease of configuration and making it more accessible to the public. Through this experimental range we hope to answer the following questions:

  • Will Map-Resolvers, presented as a public service, be abused, if so, what kind of abuse?
  • Will LISP gain wider acceptable if configuration is easier because of the anycast range?
  • By making it easier to offer a Map-Resolver service to the public, will Autonomous Systems step in and start offering it to the internet as a whole or just their customers?
  • In regard to the above mentioned questions, will latency to and from the LISP testnetwork improve in the course over a year?

During and after the year we will publish what we have discovered through various channels: mailinglists, and others if available.


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