Re: Using DNS for SSM

[Jon Crowcroft <J.Crowcroft@cs.ucl.ac.uk>]

simpler

use ipv6 a records

then we are future proof.

In message <C0D6C1C24CDBE1449BFEF1B72AFBF3A704D0FD18@postal.jnpr.net>, Sunny Sc
hoch typed:

 >>> I don't see the rationale for making the source the primary 
 >>> key and the
 >>> channels the secondary keys.  I think apps will more likely know the
 >>> channel (DNS name) and want a listing of servers.
 >>This method does not prevent multicast providers from configuring multiple A
 >>records if they have multiple servers for one channel.  Users only need to
 >>know the channel name and DNS server will resolve to one of the A records.
 >> 
 >>> Have you considered using some variation of SRV records so 
 >>> that you can
 >>> specify port numbers per server?  Depending on how you do it, 
 >>> this would
 >>> eliminate the need for a magic ".mcast." in the hostname.
 >>No, we haven't considered that.  We'll look into it more.
 >>
 >>Thanks!
 >>Sunny
 >>
 >>> 
 >>> > Jeff Schoch jschoch@sprint.net
 >>> > Operations Engineering 703-689-7716
 >>> 
 >>> S
 >>> 
 >>>      |          |         Stephen Sprunk, K5SSS, CCIE #3723
 >>>     :|:        :|:        Network Design Consultant, GSOLE
 >>>    :|||:      :|||:       New office: RCDN2 in Richardson, TX
 >>> .:|||||||:..:|||||||:.    Email: ssprunk@cisco.com
 >>> 
 >>> 

 cheers

   jon