Re: Cisco DQOS Book (was RE: CAR vs Police)

From: Bob Sinclair (bsin@cox.net)
Date: Sun Dec 07 2003 - 18:24:04 GMT-3


Michael,

Thanks for the recommendation. Yours is the second I have heard this week
on this book. Just ordered it off bookpool.com for 37.50 including
shipping.

My only hesitation: the last book I heard raves about and ordered (Solie's
Practical Studies V2) was rather a disappointment (IMHO).

-Bob Sinclair
 CCIE #10427, CISSP, MCSE
 bsinclair@netmasterclass.net
----- Original Message -----
From: "Michael Snyder" <msnyder@revolutioncomputer.com>
To: <ccielab@groupstudy.com>
Cc: "'ccie2be'" <ccie2be@nyc.rr.com>
Sent: Sunday, December 07, 2003 4:14 PM
Subject: Cisco DQOS Book (was RE: CAR vs Police)

> I wanted to recommend the Odom & Cavanaugh book Cisco DQOS.
>
> It goes step by step, chapter by chapter over all the QOS tools. It
> reads better than the CCO stuff, and its material isn't boiled down to
> below ccnp level stuff. For example, I still haven't grasped all the
> mechanisms behind the RED scheduling sequence numbers, thought I can use
> it quite well now.
>
> Don't let the `IP Telephony Self-Study Exam Certification Guide
> subtitle` throw you off, the authors repeatedly point out mistakes in
> the Cisco Courseware, and test questions on the related exams. Such
> things on how dual priority queues in a LLQ policy map really works; and
> how cisco should have used the layer 2 trailer sizes in the codec
> overhead tables, etc.
>
> I think it's in the same class as Parkhurst and Doyle, etc.
>
> More importantly, it filled to some missing knowledge for me that's not
> covered in the standard CCIE library.
>
> -----Original Message-----
> From: ccie2be [mailto:ccie2be@nyc.rr.com]
> Sent: Sunday, December 07, 2003 2:26 PM
> To: Bob Sinclair; Anas Tarsha; Group Study
> Subject: Re: CAR vs Police
>
> Thank you for pointing out that link. I read it and it was very helpful.
>
> dt
> ----- Original Message -----
> From: "Bob Sinclair" <bsin@cox.net>
> To: "Anas Tarsha" <ra3i@yahoo.com>; "ccie2be" <ccie2be@nyc.rr.com>;
> "Group
> Study" <ccielab@groupstudy.com>
> Sent: Saturday, December 06, 2003 9:51 PM
> Subject: Re: CAR vs Police
>
>
> > Anas,
> >
> > I would agree that Cisco could do a better job of explaining the
> policing
> > mechanism in the MQC, but I think I would disagree that it permits
> buffering
> > during congestion. There are Bc and Be parameters, but according to
> the
> > documentation this does not buffer packets to shape the traffic. The
> best
> > explanation I have found is at the link below, which says that the
> policer
> > does not buffer, but "drops packets less aggressively" during
> congestion.
> > Could you check it out and see what you think of it?
> >
> >
> http://www.cisco.com/en/US/partner/tech/tk543/tk545/technologies_q_and_a
> _item09186a00800cdfab.shtml#Q24
> >
> > Thanks!
> >
> > -Bob Sinclair
> > CCIE #10427, CISSP, MCSE
>
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