We just released xtractr, a collaborative cloud app for indexing,
searching, extracting and reporting on large pcaps. This thread on
NANOG is one of the many use cases that xtractr attempts to solve:
http://mailman.nanog.org/pipermail/nanog/2009-December/015661.html
You can learn more about xtractr on our blog: http://bit.ly/d7yrKl or
watch a demo: http://www.pcapr.net/xtractr
Thanks,
K.