CHAPTER I
INTRODUCTION
A.Backround
The Internet has become critical to everyday life in
domains as diverse as education, health, defence, commerce, travel and
entertainment. The Internet was not designed for its current level of usage,
and there is a need for simple constructs to allow the network to do better in
terms of security, mobility and quality of service, among other things.
A number of global and local programmes of research
(in the US, EU and further afield, eg Asia) are looking at future network
architectures and building testbeds to evaluate new protocols and systems based
on these new ideas. The most notable, in the US are the NSF Find programme and
the GENI project to build infrastructure. In Europe we find a number of
projects, with some interesting high-level thinking (eg the Eiffel project) and
a set of testbed initiatives under the FIRE Programme.
While some researchers think there is a need for a
'clean slate' design of the network of the future, much successful work is
evolutionary rather than revolutionary, and this can be seen in the articles in
this issue.
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