The answer was to use VPN over dial-up links, a cost-effective solution. The company did a pilot implementation with a VPN product from Cisco.
Implementation: BPCL evaluated various options before selecting Cisco's VPN solution. They had to basically decide between two options, a software-based and an appliance-based VPN solution. Software based VPNs are offered by Computer Associates and CheckPoint and appliance-based solutions are offered by Nortel and Cisco. BPCL implemented Cisco's VPN 3030 Concentrator. It's a VPN platform for medium and large enterprises with bandwidth requirements from T1/E1 through fractional T3. The concentrator supports up to 1500 simultaneous sessions. It offers hardware acceleration and is field-upgradeable to the 3060.
Benefits: BPCL has achieved faster deployment, lower cost of operations, and a scalable solution that supports up to 1500 concurrent VPN users and can be integrated with future security initiatives like digital signatures and secure ID cards. BPCL would have had to spend a substantial higher amount on VSAT links or leased lines at remote locations if it had not deployed a VPN solution.
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