Nortel Networks offers a variety of industry-leading VPN solutions that span the major VPN categories

• CPE solution (Contivity Secure IP Service Gateways) addresses the needs of customers who require on-site VPN equipment, end-to-end encrypted tunneling and remote access capabilities bundled with value-add IP services.
• Network-based VPN offerings (Services Edge Router 5500 and Passport 7000/15000/20000 Multiservice Switches) enable service providers to offer VPN service to thousands of customers simultaneously with resultant economies of scale.
• Optical Ethernet solutions enable service providers to offer Layer 2 VPNs that provide simple, direct and scalable connectivity between sites using the ubiquitous Ethernet protocol and building on Nortel Networks Optical Metro family of products.
• Clientless SSL VPN solution enables enterprises to offer secure remote access to private applications using the Secure Sockets Layer (SSL) technology of existing web browsers

Product :
Nortel Networks VPN Gateway 3050

The Nortel Networks VPN Gateway 3050 is a remote access security solution that extends the reach of enterprise applications and resources to remote users. The gateway performs on-the-fly content transformation to instantly convert most intranet resources into externally-viewable, secure HTML pages and employs an advanced network address and port translation (NAPT) utility to build SSL-secured VPN tunnels for client/server communications.
Key Features:

• Clientless Remote Access allows for a cost-effective, secure remote access service from browser-equipped devices to private enterprise applications without the need to install, support and maintain VPN clients.
• IPSec Client Termination provides a secure network-level connection option for remote users equipped with the Contivity VPN Client (CVC).
• Optimized Hardware accelerates all SSL processing including public key operations and bulk encryption/decryption for faster application response times.
• New! Portal Accelerator feature allows the VPN Gateway 3050 to be deployed as a hybrid SSL VPN Gateway/SSL Accelerator to provide instant secure remote access for enterprise web portals.
• New! Unified Access Portal allows administrators to provision a single point of authentication and a common user interface for both IPsec and SSL users.

SSL VPN

The Alteon SSL VPN is a remote access security solution that extends the reach of enterprise applications to mobile workers, telecommuters, partners and customers. By using secure sockets layer (SSL) as the underlying security protocol, Alteon SSL VPN allows for truly unrestricted remote access; using the Internet for remote connectivity and the ubiquitous Web browser as the primary client interface.
Key Features:

• Multi-application support provides SSL-based remote access to a broad range of Web and legacy applications.
• Integrated SSL acceleration offloads servers and improves application performance.
• Encrypted application tunneling encrypts data from the VPN gateway to the internal application.
• Authentication, access control, and auditing features provide granular user control and tracking.
• Multiple platform options and a simple tiered licensing model provides flexibility to match unique application requirements