On Tue, Sep 27, 2011 at 10:53 AM, George, Wes <wesley.geo...@twcable.com> wrote: > From: ipv6-boun...@ietf.org On Behalf Of Roland Bless > > but there are similar reasons for using ULAs: > - They are not intended to be routed in the Internet > - They use a well-known prefix to allow for easy filtering at site > boundaries. > > WEG] from the below it sounds like the first item isn't always true. The > second item is easily solved using proper address planning within the > application and network design - eg allocate the block for this use out of a > certain range of the RIR or LIR delegated space, and filter only that at the > site boundary. I.e. if you know that the lower /56 of each block is by > convention used for this purpose, you can filter accordingly much easier than > if you have to filter randomly-chosen blocks. All it takes is a bit of prior > planning when defining the addressing plan for the network. >
I get the feeling we're not seeing the whole of the picture... Perhaps roland could expound some on what the usecases/purposes of these address blocks is? (or the concept he's after at least, perhaps this is a square-peg/round-hole problem) -chris (the rest of your message I wholly agree with wes... ftr) -------------------------------------------------------------------- IETF IPv6 working group mailing list ipv6@ietf.org Administrative Requests: https://www.ietf.org/mailman/listinfo/ipv6 --------------------------------------------------------------------
