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Nikkei Network

November 2005 Issue

SOUPED-UP FEATURE Methods for Installing the Latest Wireless LAN Products You don’t need to be afraid of technical terms - Wireless LAN products currently on sale feature “easy installation,” but their manuals are chock full of technical terms.  That makes many users worry about just how “easy” they might be to install.  This article explains the basic knowledge and technical terms that are required for using wireless LAN devices fully and effectively. Introduction - The latest products are very easy to install Basics - It is essential to understand how products work - It is necessary to know the mechanism that makes installation easy Security - Encryption must be set up  - The setup has to be customized to the needs of the environment in which the devices will be used Boxed Articles - There are certain frequency bands used by wireless LAN systems - There are key points that you should know when you choose the latest devices Experiment - Does the speed slow down if wireless channels overlap?

BEGINNERS’ QUESTION

Why Is the Download Speed of ADSL Different from the Upload Speed?

HIGHER-LEVEL FEATURE

What is RSS?
It plays an important role in blogs and podcasts

- Do you know about RSS?  It is a new technology that has suddenly become a major component of the Internet, and it has the potential to completely change how we access the Internet.  With RSS, you do not have to access websites to obtain information, because the necessary information will be sent to you.  So, what is RSS and how does it work?
This article examines the technology, from concept to peripheral technologies.


Part 1: Concept
- RSS not only summarizes the content of websites but also serves as a common framework for obtaining information
- Illustration: Overall Picture of RSS

Part 2: Fundamental technologies
- The meaning of a text is expressed by placing the text between a starting <tag> and an ending </tag>, and if the functions of RSS are expanded, any message can be conveyed

Part 3: Advanced functions
- Addition of simple functions makes it easier to search and gather information

Experiment
- How can you register a blog with audio content to the service of a podcast?

Product Laboratory
Network management tools
- Some of them retrieve information from network devices by using SNMP for the management of the devices
- They help users manage the composition, performance, and failures of network devices