Read Online OSPF and ISIS Choosing an IGP for LargeScale Networks Choosing an IGP for LargeScale Networks 0785342168792 Computer Science Books
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This is the definitive guide to using OSPF and IS-IS protocols in large-scale IP enterprise, carrier, and service provider networks. Well-known network designer Jeff Doyle draws on his consulting experience, offering realistic advice and straight answers on every aspect of working with link-state protocols - from scalability, reliability, and security to area design and database synchronization. This book is organized to help network engineers and architects compare OSPF and IS-IS. One feature at a time, Doyle first demonstrates how a topic or feature is implemented in OSPF, and then walks through a similar implementation using IS-IS. Professionals who are relatively new to large-scale networking will welcome his practical introduction to the concepts, goals, and history of link state protocols.
Read Online OSPF and ISIS Choosing an IGP for LargeScale Networks Choosing an IGP for LargeScale Networks 0785342168792 Computer Science Books
"I came across this book by chance on Amazon. Seeing Jeff Doyles name I had to read it. I have read Jeff Doyles previous work such as Routing TCIP and Juniper Network Routers. Both books played a strong role in building my foundations in advanced routing. I thought I knew everything about OSPF and ISIS, working last 5 years in services provider industry. But I was wrong after I read through this book. The book gives a fantastic intro into Link State routing then presents OSPF and ISIS individually emphasizing on the similarities and differences from every aspect including adjacency formation, route calculation, failure recovery mechanisms, and packet types. Also gives a primer into the various applications and extended capabilities to support MPLS TE, IPv6 etc This book is now on my shelf as the first book to refer to get answers on OSPF and ISIS for any project work that comes my way as a network consultant. Thank you Jeff for another great peace of work!"
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OSPF and ISIS Choosing an IGP for LargeScale Networks Choosing an IGP for LargeScale Networks 0785342168792 Computer Science Books Reviews :
OSPF and ISIS Choosing an IGP for LargeScale Networks Choosing an IGP for LargeScale Networks 0785342168792 Computer Science Books Reviews
- I came across this book by chance on . Seeing Jeff Doyles name I had to read it. I have read Jeff Doyles previous work such as Routing TCIP and Juniper Network Routers. Both books played a strong role in building my foundations in advanced routing. I thought I knew everything about OSPF and ISIS, working last 5 years in services provider industry. But I was wrong after I read through this book. The book gives a fantastic intro into Link State routing then presents OSPF and ISIS individually emphasizing on the similarities and differences from every aspect including adjacency formation, route calculation, failure recovery mechanisms, and packet types. Also gives a primer into the various applications and extended capabilities to support MPLS TE, IPv6 etc This book is now on my shelf as the first book to refer to get answers on OSPF and ISIS for any project work that comes my way as a network consultant. Thank you Jeff for another great peace of work!
- good book.
- Very good book that lets you skim or go deep. Either way, you get valuable information on both OSPF, IS-IS, their similarities and their differences, and understand the reason why.
- I am one of the few who have worked in ISIS and not OSPF..
There are very few books on ISIS and this is one of the best there is
Three books to be read by anyone interested in IGP
1. Routing TCP/IP
2. OSPF and ISIS
4. The complete ISIS routing protocol
5 star anyday - Popular MPLS applications require link state IGP, OSPF & IS-IS deliver. This book teaches what you need to know about both.
- Doyle does an excellent job of starting from ground zero and building up...
Included are points of interest and concerns that a senior level net engineer might think of but someone beginning or intermediate may not quickly consider...
I also like the fact that he compares and contrasts the two protocols side by side in the same section, not doing the 1/2 the book on ospf, then the other half on is-is or chapter specific. Each chapter will talk about a particular subject (say message types) and in the chapter he'll go through both protocols.
Doyle also points out differences in IOS vs JUNOS which is real nice as well.
Chapters are
I Roots of Link State Protocols brief history of arpanet (not like IRA 2nd edition either, IRA = Internet Routing Architectures)
II Link State Basics He does cover DV basics as well to have something to contrast to...
III Message Types
IV Addressing, Neighbor Discovery, Adjacencies
V Flooding
VI Link State Database Synchronization
VII Area Design
VIII Scaling
IX Security/Reliability
X Extensibility
XI MPLS Traffic Engineering
XII IV6
XIII Multi-Topology Routing
Much better than the Cisco Press books and I have all three
Cisco Press, OReilly, and Addison Wesley...
Although Doyle's TCP/IP Vol II is CP - I thought I was buying a great technical discussion on OSPF versus ISIS. Little did I know I would also get a very good history lesson on the early days before OSPF was the de facto enterprise routing protocol. Great all-around book. If you are into digital archaeology and technical reading you will love it!
- If you consider yourself a student of routing protocols and enjoy coverage of graph theory from the perspective of its application to link-state routing protocols, this text will certainly be a welcome addition to your library. This book not only provides information regarding 'how' link-state routing protocols work, it also provides information regarding 'why' the link-state routing protocols behave as they do, and why the protocol designers made certain choices in the development of these protocols. While it might seem a daunting task especially to the novice reader to learn about two routing protocols side-by-side, it is this treatment which makes this text so worthwhile. Being able to compare these two protocols and identify their similarities and differences simultaneously will ultimately help the network designer pick the right protocol for the job in a given network environment.
This book goes beyond IGP fundamentals by giving practical advice to the network designer which can assist in the planning and implementation of a scalable IGP deployment. For example, in the chapter on Area Design, the author states that "a useful guideline when designing a network is that network control traffic should never exceed 5 percent of the available bandwidth of any link in the network, and in normal circumstances should not exceed 1 percent". The author then presents various formulas which can be used to determine the amount of bandwidth used by the protocol control traffic based on the number and type of LSAs which are expected to be present in a given network. Arguably one of the best chapters in the book is the chapter on Scaling. This chapter has some of the best coverage of the various modifications which router vendors make to their link-state protocol implementations in order to make routers perform calculations more rapidly, enhance flooding of Link-State updates, and other changes designed to make the protocols scale to support very large networks.
I am a stickler for accuracy, especially when it comes to technical textbooks. I pride myself on my ability to spot technical and grammatical errors in texts such as these, however I must say as I read this book I was very impressed that I found very little errors beyond just the simple grammatical and typographical. Jeff Doyle is an experienced writer, and it should come as no surprise that the technical content in this book is extremely well-vetted, accurate, and error-free. Ultimately, if you are a network operator, designer or architect and are interested in broadening your understand of link-state protocols coupled with the ability to more fully understand the technical distinctions between OSPF and IS-IS, this book is without a doubt one of the best options on the market today.
