- Hardcover: 592 pages
- Publisher: Cisco Press (October 29, 1999)
- Language: English
- ISBN-10: 1578700779
- ISBN-13: 978-1578700776
- Product Dimensions: 7.8 x 1.6 x 9.4 inches
- Shipping Weight: 2.4 pounds (View shipping rates and policies)
- Average Customer Review: 27 customer reviews
- Amazon Best Sellers Rank: #949,612 in Books (See Top 100 in Books)
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Developing IP Multicast Networks, Volume I
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From the Back Cover
The definitive guide to designing and deploying Cisco IP multicast networks
- Clear explanations of the concepts and underlying mechanisms of IP multicasting, from the fundamentals to advanced design techniques
- Concepts and techniques are reinforced through real-world network examples, each clearly illustrated in a step-by-step manner with detailed drawings
- Detailed coverage of PIM State Rules that govern Cisco router behavior
- In-depth information on IP multicast addressing, distribution trees, and multicast routing protocols
- Discussions of the common multimedia applications and how to deploy them
Developing IP Multicast Networks, Volume I, covers an area of networking that is rapidly being deployed in many enterprise and service provider networks to support applications such as audio and videoconferencing, distance learning, and data replication. The concepts used in IP multicasting are unlike any other network protocol, making this book a critical tool for networking professionals who are implementing this technology.
This book provides a solid foundation of basic IP multicast concepts, as well as the information needed to actually design and deploy IP multicast networks. Using examples of common network topologies, author Beau Williamson discusses the issues that network engineers face when trying to manage traffic flow. Developing IP Multicast Networks, Volume I, includes an in-depth discussion of the PIM protocol used in Cisco routers and detailed coverage of the rules that control the creation and maintenance of Cisco mroute state entries. The result is a comprehensive guide to the development and deployment of IP multicast networks using Cisco routers and switches.
About the Author
Beau Williamson, CCIE(r) No. 1346, is a consulting engineer in the Office of the CTO at Cisco Systems. His area of expertise is general IP networking, with a special focus on IP multicast. He is frequently called upon by Cisco customers and internal Cisco engineers around the world to consult on the design, implementation, and debugging of IP multicast networks. Beau is also the author and developer of Cisco's internal IP multicast training class, as well as a frequent presenter of IP-related topics at Cisco Networkers and CCIE conferences domestically and abroad.
Top customer reviews
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The differences between this book and Doyle's (2004) are:
- Williamson dedicates a lot more effort to explaining the mroute table. This was my single biggest stumbling block in multicast routing
- Doyle, IMO, gives IGMP a better treatment
- Doyle goes over mtrace and mstat
- Williamson spreads the information out over more pages via liberal usage of config snips and diagrams, often one per page. This allows him to go into *brutal, painful and excruciating* detail about every line in the mroute table, every flag, every state transition, etc.
- Williamson does a more thorough job of explaining exactly what happens in PIM-SM networks (100+ pages to Doyle's ~25)
- Doyle goes over Anycast RP and gives a better explanation of MSDN, which appears to have been rather cutting edge when Williamson put finger to keyboard
I finished the book in about a week of serious effort, but I skipped the following chapters (Cisco has not put much effort into the technologies described), leaving me with about 400 pages of groovyness:
Connecting to DVMRP Networks
and several sections of other chapters
To be sure, some things have changed. I didn't see any mention of the "ip pim autorp listener" command, which negates the need for sparse-dense mode when configuring Auto-RP (can't recall if Doyle mentioned that either). Also, in current versions of IOS one *does* need to specify the RP on the RP itself, whereas Williamson (and Doyle) explicitly say this is not the case (they were both right at the time of print, Cisco has changed this). Overall however, I would say that easily >95% of the material is solid here.
So which book to buy? Well if you're serious about the CCIE and/or running a multicast network you'll get both, and read them both several times. I do hope Williamson updates the book though, as he alludes to several draft proposals, and gives a "state of the multicast internet" address that I would like to know more about without digging through two dozen RFCs. Also, the few things that have changed would be a boon to the book.
I picked up what I needed to know with multicast for the CCIE lab exam in just a few evenings with this book. That was the end of a 6 month search for a good reference.
The chapters IP PIM DENSE, IP PIM SPARSE, IMPLEMENTING IP PIM DENSE, IMPLEMENTINT IP PIM SPARSE, are worth the cost of the book alone, but you get much more.
The initial chapters take you from the origins of the multicast to what it is today. The book is pretty old but is still very well written. One of the books from Cisco Press which when was written, earth shook. :)
The only recommendation I'd make to readers is that if the first 10 chapters aren't quite sinking in, go through the actual configuration chapters (they're at the back of the book), and then reread the theory chapters. It worked for me.
I'm glad to say that this book rewards determined scrutiny. As a technical writer supporting a very complex product line that has recently added PIM-SM to its bag of tricks, I've found this book painstaking and tremendously informative. You will need to understand IP networking before approaching this title; on the assumption that you do, you will fully understand shared trees, SPTs, and their combination in PIM to an absolute fare-thee-well. My focus when reading this book was on IGMP and PIM-SM, so I have not read absolutely every page of this title. However, Williamson breaks the processes down packet-by-packet for each protocol in the multicasting suite in almost excruciating detail. Advanced coverage of topics such as registration, pruning, and Rendezvous Point behavior means that you will have complete mastery of Cisco multicasting, and for any platform that conforms to the standards, by the time you are finished.
This is an excellent, excellent effort in what I think is a consistently solid networking series.