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商品の説明
内容説明
This much-needed update to the bestselling guide on the extensive changes to the local area networks (LAN) switching technologies explains why LAN switching technologies are critical to network design. This in-depth guide covers the capabilities, application, and design of LAN switches and switched internetworks and examines the significant changes that have taken place since the publication of the first edition seven years ago. You’re sure to appreciate the witty writing style and easy-to-follow format on such an often-complicated subject matter.
著者について
Rich Seifert is President of Networks & Communications Consulting. He has contributed to the design of a wide range of products including LAN switches.
Jim Edwards is a Nortel Networks certified support specialist specializing in network architecture, specifically switching, and virtual private networks. Working in the Premium Support Group consisting of Nortel's largest Enterprise customers, he has extensive experience with switching technologies.
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カスタマーレビュー
Amazon.com で最も参考になったカスタマーレビュー (beta)
Amazon.com:
6件のカスタマーレビュー
5 人中、5人の方が、｢このレビューが参考になった｣と投票しています。
Everything but too thourough for some
2009/1/12
形式:ハードカバー
I purchased the book in order to select a single, but higly capable switch. Did I get to know everything I needed in order to do the purchase? Definitely. Do you need about 800 pages to do this? Not really, if you have studied communication systems at university level.
The book is well written, no doubt. The author understands what is difficult in making a high performance switch, and how different features interact. Furthermore, the book deals with a multitude of standard, technologies, so that the the manager of a larger net better can understand, troubleshoot and plan his network.
This book is definitely too much for the person wanting to know what a switch is. That is not the audience. I can recommend the book for the network professional, especially for those who start as practitioners, and need a better theoretical underpinning. I do not meen 'formal language' theoretical, but who wants to understand the 'why is it like this' in switching technology.
The only reason I do not give it 5 stars, is that the book covers more than many users ever will need. The authors do explain challenging concepts in a good way, so if you like me really want to get it - get this book.
The book is well written, no doubt. The author understands what is difficult in making a high performance switch, and how different features interact. Furthermore, the book deals with a multitude of standard, technologies, so that the the manager of a larger net better can understand, troubleshoot and plan his network.
This book is definitely too much for the person wanting to know what a switch is. That is not the audience. I can recommend the book for the network professional, especially for those who start as practitioners, and need a better theoretical underpinning. I do not meen 'formal language' theoretical, but who wants to understand the 'why is it like this' in switching technology.
The only reason I do not give it 5 stars, is that the book covers more than many users ever will need. The authors do explain challenging concepts in a good way, so if you like me really want to get it - get this book.
8 人中、7人の方が、｢このレビューが参考になった｣と投票しています。
Great book, but needs some editing
2008/12/18
形式:ハードカバー
First of all, I love this book. It's well organized, an entertaining treatment of complex concepts, and a great way to get up to speed on how switches work within the context of recent history and the various standards.
But I've found what seems to me like an excessive number of typos in this new book. Mine is labeled as a Second Edition on the copyright page, but the little countdown numbers (which I think show the printing) go all the way from 10 down to 1 (so maybe it's a first printing).
They give an email to send errata to (and I've sent several - a quick check on outlook shows 7) and nobody has ever responded, so I'm not sure if they are really interested in fixing the problems or not.
In some cases, there were diagrams that were correct in the original book (at least the "books 24/7" version we have available online here), but are incorrect in the new book. (For example fig 9-8 on p. 376 has the Aggregator recieve queue (on the right) labeled as an Aggregator Transmit queue. Similar errors on page 372 and 373 in the Link Aggregation stuff. It looks like when they went to update to the new book, they failed to get the latest graphics files from the old book. There are also several internal references that don't match.
There are also section number references that are wrong (Page 36 has a reference to section 1.1.7.3 that should be 1.1.9.3, for example)
As far as I can tell, none of the typos are *real* serious, but I found the diagram errors (which went wrong from the original book) particularly troubling, as well as the lack of response from their email support address.
Apparently this review triggered a sideband contact to the author, who emailed me about the errors. Email was apparently piled up on the errata email address. They are working to make the corrections.
But I've found what seems to me like an excessive number of typos in this new book. Mine is labeled as a Second Edition on the copyright page, but the little countdown numbers (which I think show the printing) go all the way from 10 down to 1 (so maybe it's a first printing).
They give an email to send errata to (and I've sent several - a quick check on outlook shows 7) and nobody has ever responded, so I'm not sure if they are really interested in fixing the problems or not.
In some cases, there were diagrams that were correct in the original book (at least the "books 24/7" version we have available online here), but are incorrect in the new book. (For example fig 9-8 on p. 376 has the Aggregator recieve queue (on the right) labeled as an Aggregator Transmit queue. Similar errors on page 372 and 373 in the Link Aggregation stuff. It looks like when they went to update to the new book, they failed to get the latest graphics files from the old book. There are also several internal references that don't match.
There are also section number references that are wrong (Page 36 has a reference to section 1.1.7.3 that should be 1.1.9.3, for example)
As far as I can tell, none of the typos are *real* serious, but I found the diagram errors (which went wrong from the original book) particularly troubling, as well as the lack of response from their email support address.
Apparently this review triggered a sideband contact to the author, who emailed me about the errors. Email was apparently piled up on the errata email address. They are working to make the corrections.
Fantastic! A must have book for network engineers
2011/2/4
形式:ハードカバー
This book is certainly a "must have" for network engineers. It covers in details several layer two protocols, using an accesible language and some dashes of humor. The final chapter, devoted to switch design is pretty useful.
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