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Load Balancing Servers, Firewalls, and Caches 1st Edition
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About the Author
Chandra Kopparapu (San Jose, CA) is Product Marketing Manager for Foundry Networks, a leading provider of high performance end-to-end switching solutions for enterprises. Chandra, who has an Electrical Engineering degree and a Masters in Marketing from UC Berkeley, worked at Compaq as product manager prior to Foundry. He writes frequently for Network World.
Top customer reviews
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Chandra,I am expecting version 2.0 to this book covering advancements in general and L7 details in particular.Strongly recommend for readers who would like to know basics behind Server Load Balancing,Global Server Load Balancing,Firewall and Cache load balancing.
Much of the book is centered on how to load balance TCP (and to a lesser extent UDP), and the author uses HTTP and FTP as his primary driving examples. Throughout the book, the author provides some insight regarding what approaches real companies use (e.g. "this method is what Foundry and Cisco uses."), which I liked very much. Also, the illustrations were plentiful (although a bit primitive-looking).
There are only a few negatives about this book. The english writing is a bit stilted at times, and the chapters on firewalls and caches were basically rehashes of earlier chapters. Finally, I was hoping the author would have provided more detail on the load-distribution heuristics (which server to choose) with more metrics and actual real-world results.
I found the book to be extremely well organised. You will not get lost while reading this book, but you will need a university-level understanding of TCP/IP (and probably the link layer as well to get the NAT material) and networks in general to fully appreciate the matieral. Overall, a great book.
He is dividing them into four major applications:
* Server Load Balancing (63p)
* Global Server Load Balancing (19p)
* Firewall Load Balancing and (15p)
* Transparent cache Switching (8p)
* application examples (4p)
* future outlook (2p)
What makes the book so enjoyable to read is the authors love to the details. The story just flows very smooth.
Especially the thorough explanation, screenshots and technical details deserve the mark "distinction" (Very good). While I read the book it was like puzzle peaces suddenly falling all together to show me the bigger picture.
I did like the follow up of technical issues like session persistency (server affinity), URL switching, system design vs. functionality considerations and the limitations that come with the chosen solutions. The described issues are exactly those that system designers will face in real life and it doesnt stop there of course. The book is laying a good groundwork for development of advanced concepts.
The part of the book that I enjoyed most was the chapter about firewall solution concepts. As the author points out correctly the traffic flow in both directions must be managed. This is also why the setup from a redundant firewall to a load balanced redundant firewall must justify multiple complex issues.
In this case the author went through the analysis of the traffic flow, a stateful vs. stateless discussion, a layer2 vs. layer3 discussion, proxy firewalls, synchronized firewalls, multizone firewalls, VPN load balancing, active-active vs. active-standby discussion and the interaction between routers, load balancers and firewalls. While some topics could only be scratched on the surface the concepts and ideas behind it are explained very clear.
There is no doubt for me that a 2nd edition can easily just pickup where this edition left off. The author clearly shows that there are more scenarios to be discovered and discussed.
On the one side I would love to see a updated 2nd edition from the same author, on the other side I guess it's been held back to keep the competitions products in a distance ;-)
Also the book was published 6+ years ago I felt that the concepts did not loose any of its value. Which leads me to the point that this must have been " THE Technical Book of the Year 2002"
This book still receives well deserved full marks.
Most recent customer reviews
If you wnat to understand more on Load Balancing I think the book is the right pick (at least intermediate...Read more