Comtech EF Data Vipersat SLM-5650A User Manual page 89

T h e O S I R e f e r e n c e M o d e l
Together, these two sub-layer protocols are responsible for moving packets on
and off the network.
Layer 3 / Network Layer – Layer 3 is responsible for routing packets through
multiple networks. The Layer 3 protocol operates without regard to the underly-
ing protocols in use. For example, routers operate at Layer 3.
A p p e n d i x A - N e t w o r k A d d r e s s i n g A-3