[50853] in North American Network Operators' Group
Re: Do ATM-based Exchange Points make sense anymore?
daemon@ATHENA.MIT.EDU (Stephen Sprunk)
Mon Aug 12 09:51:13 2002
From: "Stephen Sprunk" <ssprunk@cisco.com>
To: "Alex Rubenstein" <alex@nac.net>,
"Mikael Abrahamsson" <swmike@swm.pp.se>
Cc: <nanog@merit.edu>
Date: Mon, 12 Aug 2002 08:31:04 -0500
Errors-To: owner-nanog-outgoing@merit.edu
Thus spake "Alex Rubenstein" <alex@nac.net>
> > What functionality does PVC give you that the ethernet VLAN does not?
>
> Shaping, for one.
There is nothing inherent in Ethernet which precludes shaping. Low- and
mid-range routers can do it just fine. If your core router doesn't, speak with
your vendor. Then again, do your core routers really support shaping on OC192
FR either?
> > What is the current max speed of frame relay in any common vendor
> > implementation (I'm talking routers here).
>
> Doesn't OC48 POS on GSR and Jewniper do FR?
If those boxes approached the reliability of carrier FR/ATM gear, that might be
relevant.
S
