May 2005
Intermediate to advanced
312 pages
10h 29m
English
Content preview from Mobile IP Technology and Applications
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Scaling Issues 197
For devices in which forwarding occurs in software, the tunnel encapsulation adds a significant
amount of overhead when compared to unprocessed packet forwarding. Newer platforms offer
support for encapsulation in hardware but ensure that the tunnel type being used is explicitly
supported.
Number of Tunnels
The final scaling factor, the number of tunnels used, might seem odd, but given that users
sharing the same Care-of Address (CoA) share the same tunnel, it can have an impact on rollout.
Each tunnel that the router builds contributes to the amount of memory used and the amount of
processing required. The maximum number of tunnels ...
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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.