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Possible research paper project topics
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Optical BGP
Anycast
Measuring the internet
Multihoning techniques with IPv6
BGP Misconfiguration on the Internet
Various aspects of MPLS
Anything on this list http://www.caida.org/home/jobs/studentprojects.xml
Routing for Mobile Applications
BGP Inform Message Draft
Complexity and the Internet
MPLS VPNs (layer 2 and/or layer 3)