Download Ebook 802.11 Wireless LAN Fundamentals
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802.11 Wireless LAN Fundamentals
Download Ebook 802.11 Wireless LAN Fundamentals
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From the Back Cover
Master the basics in designing, building, and managing a Cisco Aironet WLAN.* Master the basics of Wireless LANs with this concise design and deployment guide* Understand implementation issues for a variety of environments including vertical, SOHO, and enterprise networks* Learn design and troubleshooting advice from real-world case studiesWireless Local-Area Network Fundamentals gives networking engineers and IT professionals the knowledge they need to design, deploy, manage, and troubleshoot their own wireless local-area networks (WLANs). Starting with an overview of the technology and architecture of WLANs, the book goes on to explain services and advanced features that such applications can provide. Most importantly, it provides practical design guidance and deployment recommendations.Wireless LANs connect computer networks via radio transmissions instead of traditional phone lines or cables. Benefits to these systems go well beyond getting rid of all the cables and wires. Campus networks can grow geographically larger while still retaining all their efficiency and speed. Additionally, cost savings can be realized when third-party phone lines are no longer necessary, saving the cost of line rental and equipment upkeep. Finally, flexibility in campus network design increases significantly for the networking professional, while the network accessibility and usefulness increases for the individual users.Wireless Local-Area Network Fundamentals helps networking professionals realize these benefits by helping them understand how to design, build, and maintain these networks, as well as how to justify their value within organizations.
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About the Author
Pejman Roshan is a product line manager with the Wireless Networking Business Unit at Cisco Systems. He manages the Cisco wireless LAN security, network management, and software products. Jonathan Leary is a product line manager with the Wireless Networking Business Unit at Cisco Systems. His primary focus is the use of wireless LAN technology in outdoor applications.
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Product details
Hardcover: 312 pages
Publisher: Cisco Press (January 2, 2004)
Language: English
ISBN-10: 1587050773
ISBN-13: 978-1587050770
Product Dimensions:
7.6 x 0.8 x 9.5 inches
Shipping Weight: 1.5 pounds
Average Customer Review:
4.1 out of 5 stars
10 customer reviews
Amazon Best Sellers Rank:
#1,246,376 in Books (See Top 100 in Books)
I say why - as all the diagrams - including front cover are not visible - there is merely a static icon.It is a pity that Amazon do not check the formatting before having these books available as ebooks for the Kindle Cloud Reader.I have to be honest - of all books I have on Cloud Reader this is what I call the exception - at times I had other book not showing the front cover - but I can live with that - as I am interested in the contents!!I have to point out that I am currently using Chrome Browser whilst on Safari browser the images are all visible.If I use the Kindle downloaded reader the images are visible also, so apart from these drawbacks the book is an excellent introduction to 802.11 Wireless Lan.
Very happy with the content and coverage this book provides for 802.11. Provides details for things glossed over by other texts.
The wireless 802.11 book I recently purchased helped me out with my studies and future work. It is a great resource for wireless.
The author does not waist words when explaining the various 802.11 features. Extremely dry and boring... Kudos to the person who can read this book and absorb the information. I felt like I was reading an RFC.
I recently read the title "802.11 Wireless LAN Fundamentals" by Pejman Roshan and Jonathan Leary. ISBN: 1587050773. You've heard the saying that good things come in small packages. Well, this title reinforces that statement. The book is packed with information regarding 802.11 Wireless LAN's. Don't be thrown by the title into thinking that this book only covers the basics. In fact, this book covers the basics and much, much more. The book starts off with fundamental concepts of Ethernet Technologies. Not enough to be a great Ethernet reference, but enough to refresh your memory or to get the flavor of Ethernet once again. The book then explains the essential concepts of Wireless LAN's. After some needed high level concepts are covered the book dives into the bits and bytes of Wireless networking, leaving nothing for the imagination. The physical layer details are covered extremely well in this book. There are great depictions that show the different modulation types, frame formats and field definitions of 802.11a, 802.11b and 802.11g. An extremely important topic on Wireless security is cover better in this book than any other source that I've found. A chapter has been dedicated to the topic. The author's first breaks down the weaknesses in wireless networks then explain how to secure the Wireless network. This chapter is loaded with supporting diagrams and figures. The other challenging topic of Roaming is covered in this book. The chapter goes into the protocol codes that allow mobility to be successful and the author's show a few ways in which mobility can be accomplished from a technical perspective. QoS for 802.11, or 802.11e, is a great section pertaining to QoS in a shared media wireless environment. The chapter is a bit complex and allows some of the more advanced networking professionals to bite off as much as they can chew. The book covers all the radio essentials that one would need to firmly grasp this technology without delving into the complex math behind it all. The title wraps up with great examples of site survey and design considerations. The authors give sound advise on how to approach the deployment of a wireless network that will scale to meet the needs of future Wireless network growth. With the help of the support glossary in the back, I'm much more versed on the smorgasbord of new acronyms and the technology itself, that Wireless LAN's have introduced to Networking community. The glossary makes for a great quick reference. What book would be complete without a good index. This book has a pretty good index that has most any wireless related acronym at your finger tips. Great for a quick find. There are several figures, diagrams and tables in this book. Much more than what I've seen in most other books. The supporting figures, diagrams and tables help a great deal with sorting out the terms and concepts of this simple yet complex technology. The information in the book is mainly standards based and not much, if any, Cisco centric information. Which make this title valuable for anyone seeking to understand Wireless LAN's. This book is best suited for any network professional at any level. There is something for everyone in this title. Sales Engineers will find this book invaluable as they are faced with the many tough questions and challenges from the inquisitive customer. Data Network Salesmen will benefit from this title by understanding what value Wireless networks can bring to a company and how to fit the needs of a company into a viable solution for customers.
Great things sometimes really do come in small packages. I confess I had my doubts when I picked up this book: it seems very small to actually cover the fundamentals of a topic, any topic. But it surprised me. In only about 250 pages, it succeeds in covering how wireless data networking - aka 802.11, or WiFi - actually works.There is even a professional level of detail. When it comes down to it, what makes wireless different is the use of a radio instead of a physical wire. That means, for those familiar with the OSI Model, the differences are all in the bottom two layers, the Physical and the Data Link layers. As an effect of using a radio, of course, anyone with an appropriate antenna can listen in, and maybe join the conversation if they wish, which makes security both important and a little trickier to implement.Now you know the focus of this book. To make sure that the reader understands the data network wireless connects to, as well as to provide a good comparison, the authors start with a review of Ethernet and how the data is exchanged over it, and on out to the Internet. From there, they patiently take you through how WiFi does the same thing, only with a radio instead of a Cat 5 cable. The explanation of how the Physical layer works in this environment is not as long as its thoroughness makes it appear; though less that 25 pages, you will finish that chapter with a decent understanding of the differences in connection establishment and management among the various flavors of WiFi: 802.11, 802.11a, 802.11b, and 802.11g. These standards use different means of manipulating the radio waves, with effects (I think) not unlike the differences in data passage among Ethernet and Token Ring. If you're going to use a technology in your network, you need to be aware of those differences, and you will get a deep enough level of understanding from this to either implement a reasonably simple network, or have the foundation - the fundamentals - with which to dig as deeply as you need. There are different means of protecting your wireless network form being used by just anyone, and (especially) from being used to access your wired network. That means you must consider both encryption and authentication, and the various means of achieving these goals is covered at the level of a knowledgeable user. You won't find mathematical representations of cryptographic algorithms here; this is a practical book for those who need to implement wireless, not those who need to design the protocol suite. A working-level knowledge is sufficient.Of course, one of the big attractions of wireless is that you can move while you surf, so mobility by a user is covered, as well. Roaming causes a problem unique to a wireless network: adapting connectivity during a session. If all wireless nodes belong to the same IP network, roaming can be handled entirely at layer two, but you will find times when you need to separate wireless LAN segments into separate routing domains; mobility at layer three is a little more challenging, but can be done. Facilitating both roaming and the many types of communications on a converged network, how to handle Quality of Service (QoS) is covered, too.Finally, designing and actually deploying a wireless network requires you to understand how the radio waves work, at least well enough to place the Access Points (APs) to provide the coverage you need with sufficient bandwidth for the users you will support. Conducting a good site survey matters, and so does planning for growth - both of which are addressed. In addition, the design section has some material to make you think about the impact of your wireless network on its surroundings. Remember, in a hospital, for instance, unwanted radio waves might have very bad side effects!All told, this book is an excellent introduction for someone who needs to implement a wireless data network using current technology. You will probably find aspects to your network for which you'll have to dig a little deeper. That's the only reason I'm giving this 4 stars - I'm lazy enough to want it all in one place, even if the book gets pretty heavy.
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