The ERNET backbone is a judicious mix of terrestrial and satellite-based wide area networks. The satellite WAN, using VSAT technology, has facilitated reliable and quick access from remote areas. The VSAT network acts as an overlay for the terrestrial WAN by providing backup links between the backbone sites. International connectivity is achieved through gateways at New Delhi, Bombay, Bangalore and Calcutta, with a total capacity of 6.64 Mb. Daily traffic over ERNET exceeds 20 GB. ERNET architecture is based on industry standard TCP/IP protocol, ensuring connectivity from heterogeneous computer systems and local area networks (LANs) at user sites.

ERNET International Gateway

ERNET Head Quarter , New Delhi

ERNET HUB, Bangalore

NCST JUHU, Mumbai

Inter University Centre for Astronomy and Astrophysics(IUCAA), Pune.

IIT  Chennai

University of Hyderabad

IISc Bangalore

Orissa Computer Application Center(OCAC), Bhubaneshwar

Variable Energy Cyclotron Centre (VECC), Calcutta

Indian Institute of Information Technology & Mangement(IIITM), Trivandrum

ERNET Backbone (Including PoPs) Sites
ERNET is supported by the following backbone sites which enable organisations located at different geographical locations to access various services