Have you ever performed surgery on data packets? There are times when that may be the best way to troubleshoot and optimize your network. This edition of the Packet Professor will get you started in ...

Figuring out the amount of bandwidth a video signal requires on an IP network isn’t terribly hard, but it does require some familiarity with the underlying technologies and packet formats. Getting the ...

In Part 1 of this article, we talked about security issues related to sending and receiving IP packets and the function of IP Security, or IPSec. We also discussed different levels of security and ...

Countless pieces of software, protocols and complex interdependencies together form a system for which it is difficult to guarantee any particular property—particularly security. Even software ...