PPT-Wireless LANs I Chapter 6

Panko and Panko Business Data Networks and Security 9 th Edition 2013 Pearson Revised August 2013 Chapter 5 Ethernet wired switched LANs Switched so Require standards at Layer 1 physical and Layer 2 data link. Table of ContentsIndustrial and outdoor environmentsAdditional features for outdoor and industrial networksRequirements for the industrial access point Industrial and outdoor environmentsMany organiza Group 9. {. Summary. User–centric vs. AP-centric network management framework. Theoretical analysis . & simulation. FCAPS relationships. Conclusion . References. User-Centric Management of Wireless LANs - Y. Zhu, Q. Ma, C. Bisdikian. **************1 0 Authenticated table for clients (T2): It records all the information of authenticated clients. It includes the MAC addresses of the clients and the time the clients are authenti R3R2R1ABFigure1:Floor-planoftheexperimentsetup.802.11btransmittersatlocationsAandBeachbroadcastpacketsat2.88MbpstoareceiveratR1,R2orR3.framegiventhatthepreviousonehadbeenlostisoftensignicantlylargert Chapter 6. Panko and Panko. Business Data Networks and Security, 9. th. Edition. © 2013 Pearson. 802.11 is the dominant wireless LAN (WLAN) Technology. Standardized by the 802.11 Working Group. Large 802.11 WLANs use multiple access points to cover large areas. Chapter 5. Chapter 5: LANs and WLANs. 2. Chapter Contents. Section A: Network Building Blocks. Section B: Wired Networks. Section C: Wireless Networks. Section D: Using LANs. Section E: Security Through Encryption. Chapter 6. Panko and Panko. Business Data Networks and Security, 9. th. . Edition. © . 2013 Pearson. Chapter 5. Ethernet wired switched LANs. Switched, so Require standards at Layer 1 (physical) and Layer 2 (data link). 2. Chapter 5 The Medium Access Layer. 5.1 The Channel Allocation problem. . - Static and dynamic channel allocation in LANs & MANs. 5.2 Multiple Access Protocols. . - ALOHA, CSMA, CSMA/CD, Collision-free protocols, Limited-contention protocols, Wireless LAN protocols. Chapter 5: LANs and WLANs. 2. Chapter Contents. Section A: Network Building Blocks. Section B: Wired Networks. Section C: Wireless Networks. Section D: Using LANs. Section E: Security Through Encryption. 8. th. Grade. 1. Networks. Advantages:. Enable people to work together. Reduce costs from sharing networked hardware and software. Increase productivity by sharing data. Provide access to a wide range of services and specialized peripheral devices. Introduction to Networks v6.0. Chapter 1 - Sections & Objectives. 1.1 Globally Connected. Explain how networks affect the way we interact, learn, work, and play.. Explain how host devices can be used as clients, servers, or both.. Wireless Agencies & Standards. Agency. Purpose. Web Site. Institute of Electrical. and Electronics Engineers (IEEE). Creates and maintains operational standards. www.ieee.org. Federal Communications Commission (FCC). 1. Components Of wireless networks. Security issues in wireless. Presentation Outline. Wireless Technology overview. The IEEE 802.11 WLAN Standards. Secure Wireless LANs. Migrating to Wireless LANs (Cutting the cord). Business Data Communications & Networking. Outline. Components. Architectures. Switched Backbone Networks. Routed Backbone Networks. Virtual LANs (VLANs). Best Practices. Implications for Management.