- Point-to-Point communication:
In networking, the Point-to-Point Protocol (PPP), is a data link protocol commonly used to establish a direct connection between two nodes over terristrial and satelleite link e.g. SGPGIMS, Lucknow is connected to the medical colleges of Orissa through point to point connectivity via satellite link and District Hospital, Rae Bareli via fiber optic cable network.
- Point-to-multipoint communication:
is a term that is used in the telecommunication field which refers to communication which is accomplished via a specific and distinct type of multipoint connection, providing multiple paths from a single location to multiple locations e.g. two District Hospitals of Uttaranchal state are linked to SGPGIMS via ISDN link.