Re: Multi-Link Subnets via /128

2013-07-25 Thread Don Sturek
Note I changed the title on the thread.. My problem with RFC 5889 (http://tools.ietf.org/html/rfc5889) is that it solves the problem simply by saying don't allocate link locals. The issue I have is that it precludes the use of mDNS (which operate off of link locals). Some questions: 1)

Re: Multi-Link Subnets via /128

2013-07-25 Thread Carsten Bormann
On Jul 25, 2013, at 22:09, Don Sturek d.stu...@att.net wrote: My problem with RFC 5889 (http://tools.ietf.org/html/rfc5889) is that it solves the problem simply by saying don't allocate link locals. The issue I have is that it precludes the use of mDNS (which operate off of link locals).

Re: Multi-Link Subnets via /128

2013-07-25 Thread Michael Richardson
Don Sturek d.stu...@att.net wrote: Note I changed the title on the thread.. Thank you. I would like to know what a multi-link subnet via /128 means. My problem with RFC 5889 (http://tools.ietf.org/html/rfc5889) is that it solves the problem simply by saying don't allocate

Re: Multi-Link Subnets via /128

2013-07-25 Thread Don Sturek
Hi Michael, We did a good bit of work on the mDNS topic and there are quite a few subtleties in the mDNS draft that are really focused only on correct link local operation. Here are a few (from RFC 6762): 1) Section 3.1 Any DNS query for a name ending with .local. MUST be sent to the mDNS

Re: Multi-Link Subnets via /128

2013-07-25 Thread Don Sturek
Hi Carsten, Actually, we have done quite a bit of testing using site scoped multicast and the Extended version of mDNS and it seems to work quite well (mainly since we changed little in mDNS and only addressed the issues of using a multicast scope other than link local) Don On 7/25/13 2:33 PM,

Re: Multi-Link Subnets via /128

2013-07-25 Thread Michael Richardson
Don Sturek d.stu...@att.net wrote: We did a good bit of work on the mDNS topic and there are quite a few subtleties in the mDNS draft that are really focused only on correct link local operation. Here are a few (from RFC 6762): Ah, I understand now, and I agree. I thought you

Re: Multi-Link Subnets via /128

2013-07-25 Thread Don Sturek
Hi Michael, I mispoke on the last point. Should have read:multi-link subnets versus allocating a /128 Don On 7/25/13 3:07 PM, Michael Richardson mcr+i...@sandelman.ca wrote: Don Sturek d.stu...@att.net wrote: We did a good bit of work on the mDNS topic and there are quite a few