Documents Lecture 6: Multicast l Challenge: how do we efficiently send messages to a group of machines? n Need...

Slide 1 Lecture 6: Multicast l Challenge: how do we efficiently send messages to a group of machines? n Need to revisit all aspects of networking –Routing –Autonomous…

Documents IP Security. n Have a range of application specific security mechanisms u eg. S/MIME, PGP, Kerberos,...

Slide 1 IP Security Slide 2 n Have a range of application specific security mechanisms u eg. S/MIME, PGP, Kerberos, SSL/HTTPS n However there are security concerns that cut…