Many of the functions listed below are only applicable if you are running your own servers locally that need to be accessed from outside your network. However a basic familiarity with the ideas is still helpful in talking with any service provider.

The list following is not exhaustive or complete. There are many dozens of protocols supporting the ease of use in the Internet software and hardware that have point solutions for activity that most organizations are not aware of and need not concern themselves about, as long as a good support company supplying standards compliant products is available to assist you.

1. Routing Functions
2. Security Applications
3. Network Management