Tuesday, January 15, 2013

Week 2

Rethink the design of the Internet

The author first explained the the main idea of end to end argument and the advantages brought by such network design paradigm, that is: moving functions "up" from core and "out" to the edge node gives us a less complex core network and facilitates construction of more innovative and reliable application software.

Then the paper lists the motivations for redesign the network: end users may not trust each other, more demanding applications, inclusion of third-parties, etc. For thse issues, technical and non-technical solutions are offered.Some of them do not interrupt the end-to-end arguments and some others add more control on the core network. For example, Firewall system, traffic and spam filter.Paper also evaluates the functions served by non-tech mechanism, like usage of law.


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