1. Email Security 2. Email Security email is one of the most widely used and regarded network servicescurrently message contents are not securemay be inspected either in…

Slide 1E-mail Security: PGP and S/MIME Slide 2 2 Outline  PGP – services – message format – key management – trust management  S/MIME – services – message…

Slide 1 peer-to-peer file systems Presented by: Serge Kreiker Slide 2 “P2P” in the Internet Napster: A peer-to-peer file sharing application allow Internet users to exchange…

Slide 1 Peer To Peer Distributed Systems Pete Keleher Slide 2 Why Distributed Systems? l Aggregate resources! –memory –disk –CPU cycles l Proximity to physical stuff…

Slide 1 Electronic Mail Security By Jason Gratto Slide 2 Types of electronic mail security Pretty Good Privacy S/Mime Slide 3 Pretty Good Privacy Developed almost entirely…

Ion Stoica, Robert Morris, David Karger, M. Frans Kaashoek, Hari Balakrishnan MIT and Berkeley presented by Daniel Figueiredo Chord: A Scalable Peer-to-peer Lookup Service…

Chord: A Scalable Peer-to-peer Lookup Protocol for Internet Applications Xiaozhou Li COS 461: Computer Networks (precept 04/06/12) Princeton University We studied P2P file…

Content Overlays (continued) Nick Feamster CS 7260 March 26, 2007 Administrivia Quiz date Remaining lectures Interim report PS 3 Out Friday, 1-2 problems Structured vs. Unstructured…

Chord: A Scalable Peer-to-peer Lookup Service for Internet Applications Robert Morris Ion Stoica, David Karger, M. Frans Kaashoek, Hari Balakrishnan MIT and Berkeley A peer-to-peer…

Distributed Hash Tables: Chord Brad Karp (with many slides contributed by Robert Morris) UCL Computer Science CS 4038 / GZ06 25th January, 2008 Today: DHTs, P2P Distributed…