Re: [Softwires] MAP Open issues: Interface-id

2011-11-08 Thread GangChen
2011/11/7, Rémi Després despres.r...@laposte.net: Ole, 1. Checksum neutrality being an open question, it is relevant here. 2. It is useful AFAIK to distinguish CE addresses from BR addresses. The best proposal I know so far is as follows (with CNP = Checksum neutrality preserver) CE

Re: [Softwires] MAP Open issues: Interface-id

2011-11-08 Thread Ole Troan
1. Checksum neutrality being an open question, it is relevant here. 2. It is useful AFAIK to distinguish CE addresses from BR addresses. The best proposal I know so far is as follows (with CNP = Checksum neutrality preserver) CE ADDRESS - - - - - - IPv6 Unformatted address (104 bits)

Re: [Softwires] MAP Open issues: Interface-id

2011-11-08 Thread Rémi Després
Le 8 nov. 2011 à 10:17, Ole Troan a écrit : 1. Checksum neutrality being an open question, it is relevant here. 2. It is useful AFAIK to distinguish CE addresses from BR addresses. The best proposal I know so far is as follows (with CNP = Checksum neutrality preserver) CE ADDRESS - -

Re: [Softwires] MAP Open issues: Interface-id

2011-11-08 Thread Rémi Després
Le 8 nov. 2011 à 11:35, Mark Townsley a écrit : On Nov 8, 2011, at 10:12 AM, Rémi Després wrote: - Talking with Mark townsley, I got the understanding that this wasn't a real problem, at least with IOS. = Clarifying this point would IMHO be useful. Our tunnel code typically

[Softwires] MAP Open issues: Back to requirements

2011-11-08 Thread Ole Troan
the discussions we have had in the design team and on the softwires mailing list reflect that many of us have different views on what a stateless IPv4 over IPv6 solution should look like. there is an astounding amount of innovation in this space; for every problem found there are solutions

Re: [Softwires] Call for agenda items

2011-11-08 Thread Tetsuya Murakami
Hi Alain and Yong, Could you please assign 10min slot for 4rd encapsulation draft (draft-murakami-softwire-4rd)? Thanks, Tetsuya Murakami On 2011/11/04, at 5:26, Alain Durand wrote: If you want to present during the Softwire meetings in Taipei and you have not yet sent me or Yong a request

Re: [Softwires] MAP Open issues: Back to requirements

2011-11-08 Thread Tina TSOU
I am still unclear about this: Why do we require multiple mapping rules? How does it support multiple IPv4 subnets. End User IPv6 prefix is generated from the Rule IPv6 Prefix + EA bits. So how does the CE know which Rule to use to generate this. Thanks, Tina From: Ole Troan o...@cisco.com