July 2007
Intermediate to advanced
365 pages
11h 5m
English
book
Mobile Inter-networking with IPv6 : Concepts, Principles and Practices
by Rajeev S. Koodli, Charles E. Perkins
Content preview from Mobile Inter-networking with IPv6 : Concepts, Principles and Practices
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
20
Fast Handover in aWireless LAN
It’s hard to imagine being mobile without assuming wireless. –(somewhat obvious) self revelation
—
20.1 INTRODUCTION
WLAN has quickly become a technology choice for homes, enterprises, metro mesh networks, rural mesh networks and so on. Due to low cost, higher bandwidth and ease of use, it has found large scale acceptance. Enterprises have found it appealing especially for the "mobile VoIP" potential. It is not only feasible to replace a fixed telephone with a device equipped with WLAN, but also enhance the user experience available with VoIP. Increasingly, such "devices" are becoming mobile phones which offer roaming to cellular networks when a user is out of coverage of WLAN. So, enterprises can trade the cost of their fixed telephony for mobile telephony while improving the productivity. Given the recent advances in mobile computing, mobile rich-media communication is not too far behind.
We saw in Chapter 14 the actions performed by a mobile node on a typical day:
while (true) do
{
1. Establish link connectivity
2. Establish IP connectivity
3. Request network resources
4. Run application(s)
5. Undergo handover
6. Go back to step 1
}
We return to fast handover in this chapter, focusing on implementation of the protocol over a wireless medium. We use WLAN as the wireless access medium and investigate the radio-specific problems as well as the ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.