Connection to the mainframe computer or terminal server is achieved via RS-232 serial links, Ethernet or other proprietary protocols.

Remote access to the system (for instance for an outsourced vendor) is usually managed through secure connections via encrypted protocols and virtual private networking.

Excavations were conducted via standard protocols, including securing the sites to prevent trespass or accidental disturbances.

It enables a MAC station to communicate with upper layers via different protocols.

Some servers also allow access via other protocols.

I try to be a safe emailer and connect to my mail servers via secure protocols.

Routers communicate with one another via specially designed routing protocols, either interior gateway protocols or exterior gateway protocols, as needed for the topology of the network.

All EFI drivers must provide services to others via protocols.

The remainder of the functionality is via protocols provided by the handset manufacturers, but these usually only cover updating the phonebook.

Also included in this topic is the basis of computer networks, wherein many different operating systems are able to communicate via different protocols.