RE: I-D ACTION:draft-kompella-tewg-bw-acct-00.txt

["Amir Hermelin" <amir@cwnt.com>]

> 1) First, I am surprised to see a draft describing
>    bandwidth accounting (or CACing).Thought these 
>    are internal to a node, implementation specific
>    and should not be influenced by standards.

TE bw accounting is mostly *not* internal to a node, *not*
implementation specific, and *should* be interoperable. Otherwise, why
have drafts on advertising these values in the first place?

--
Amir Hermelin                    <mailto:amir@cwnt.com>
Charlotte's Web Networks Inc.     <http://www.cwnt.com>


> -----Original Message-----
> From: Sudhakar Ganti [mailto:sganti@tropicnetworks.com]
> Sent: Saturday, July 21, 2001 12:20 AM
> To: Kireeti Kompella
> Cc: te-wg@ops.ietf.org
> Subject: RE: I-D ACTION:draft-kompella-tewg-bw-acct-00.txt
> 
> 
> Hi Kireeti,
> 
> A few more comments on the draft:
> 
> 1) First, I am surprised to see a draft describing
>    bandwidth accounting (or CACing).Thought these 
>    are internal to a node, implementation specific
>    and should not be influenced by standards.
> 2) The term "priority" is kind of overloaded in 
>    Section 7.1. If priority is referring to a service
>    class (or a PSC as in Diffserv), then please
>    change the name appropriately. Or are you inferring
>    preemption priority is one-to-one mapped to the service
>    class? I am assuming that is not the case.
> 3) I thought Class type is only useful in reducing the
>    flooding information of IGP protocols and one needs
>    per-class bandwidth accounting anyway. For example
>    you can use different CAC parameters for the classes
>    belonging to the same Class-type, but consume bandwidth
>    from same aggregated pool. Therefore Class Type band
>    width pool may not necessarily mean that we don't 
>    need per-class bandwidth accounting.
> 4) Is there any reason why you did not discuss FA-LSPs or
>    hierarchical tunnels, corresponding bandwidth accounting,
>    bandwidth accounting of LSPs riding on the tunnels and
>    overbooking?
> 
> -Sudhakar
> 
>