[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: Auto-tunnel Rant



Bill Nickless wrote:
> 
> -----BEGIN PGP SIGNED MESSAGE-----
> 
> At 01:51 AM 3/22/2001 -0500, Marshall Eubanks wrote:
> >    I think that the promotion of auto-tunnels for the purpose of
> >furthering multicast deployment is WRONG. It is, IMHO, NOT productive to
> >expend time and effort in this direction. It diverts resources from the
> >real goal, which is multicast deployment. If deployed, it will cause
> >problems that will be inevitably be blamed on multicast.
> 
> As I've been playing Multicast Bully, one of the hardest things I've had to
> do is to get people who think they've got a working multicast deployment to
> fix it.  (Fix it means MSDP/PIM-SM/MBGP).  These are usually people who
> have a DVMRP tunnel off to a service provider.  I've also seen situations
> where an organization has their service provider run a PIM RP.
> 
> Adding another set of non-BCP multicast deployment options using these
> auto-tunneling procedures will inevitably increase the problem space.  I'm
> already having to ask people why their MSDP SA advertisements are coming
> from an RP in an unrelated university in another state (probably because of
> old dense mode connections).
> 
> If we need tunnels to get around broken service providers, let's do them
> explicitly so that we know where they are and can take them out when clues
> get appropriately spread out.

Bill;

Keep up the good work. I appreciate it.

Just to clear things up, 
I have nothing against tunnels per se - use, have 'em, will sell you one.
Its putting a lot of effort into auto-tunnels that I do not regard as a good idea.


> ===
> Bill Nickless    http://www.mcs.anl.gov/people/nickless      +1 630 252 7390
> PGP:0E 0F 16 80 C5 B1 69 52 E1 44 1A A5 0E 1B 74 F7     nickless@mcs.anl.gov
> 
> -----BEGIN PGP SIGNATURE-----
> Version: PGPfreeware 6.5.8 for non-commercial use <http://www.pgp.com>
> 
> iQCVAwUBOroznKwgm7ipJDXBAQF5mQP/bzFA6JtxA3S1EgMlNCjDglOCjQTSTWNl
> BS+WOU1VWM0YWwTYYi+WyTV9yeapaHBrESk4eCYbqi+9DHKVxNqemPcWM+91+hwB
> wL1zvdeQHhxY5hnPgfv+DabpAVctSDrI9+jUHtfWuzUMwn5rCOH5FNPczbL/26a+
> 4g6IRVYpGRA=
> =p0yN
> -----END PGP SIGNATURE-----

-- 


                                   Regards
                                   Marshall Eubanks

   Multicast Technologies, Inc.
   10301 Democracy Lane, Suite 410
   Fairfax, Virginia 22030
   Phone : 703-293-9624          Fax     : 703-293-9609     
   e-mail : tme@on-the-i.com     http://www.on-the-i.com