scope:

This Recommended Standard defines the AOS Space Data Link Protocol in terms of:

a) the services provided to the users of this protocol;

b) the protocol data units employed by the protocol; and

c) the procedures performed by the protocol.

It does not specify:

a) individual implementations or products;

b) the implementation of service interfaces within real systems;

c) the methods or technologies required to perform the procedures; or

d) the management activities required to configure and control the protocol.

PURPOSE

The purpose of this Recommended Standard is to specify the Advanced Orbiting Systems (AOS) Space Data Link Protocol. This protocol is a Data Link Layer protocol (see reference [1]) to be used over space-to-ground, ground-to-space, or space-to-space communications links by space missions.