However, the media files are streamed over a different protocol.

You have different protocol being set at these airports in terms of prevention and security.

This makes it possible to support many different protocols.

But returns follow a completely different protocol, and I had suddenly forgotten it.

There are even cases where individual state/provinces will use different protocols within a country.

An organization may determine at a later date that a different protocol is required.

There are a few people on my buddy list who have the same first name but use different protocols.

There are many different protocols, such as the prevalent Code 39.

Thus the original packet types could vary within each different protocol.

Instead, the media reporters and the mission controllers had worked out a different protocol.