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Site-to-Site VPNs are an alternative WAN infrastructure that used to connect branch offices, home offices, or business partners' sites to all or portions of a company's network. VPNs do not inherently change private WAN requirements, such as support for multiple protocols, high reliability, and extensive scalability, but instead meet these requirements more cost-effectively and with greater flexibility. Site-to-site VPNs utilize the most pervasive transport technologies available today, such as the public Internet or service provide IP networks, by employing tunneling and encryption for data privacy and QoS for transport reliability.
Cisco Site-to-Site VPN Products
Site-to-Site VPNs are best constructed using a wide variety of Cisco VPN Routers. VPN Routers provide scalability through optional encryption acceleration. Utilizing Cisco IOS Software, Cisco VPN Routers also provide a comprehensive feature set to meet the most diverse networking requirements, including support for routing, multiprotocol, and multicast across the VPN, as well as enhanced features like firewall and QoS. The Cisco VPN Router portfolio provides solution for small office/home office (SOHO) access through central-site VPN aggregation, including platforms for fast-emerging cable and digital subscriber line (DSL) access technologies. The table below outlines the Cisco VPN Router portfolio by deployment segment.
Voice and Video Enabled IPSec VPNs
Voice and video enabled VPN solutions integrate cost-effective, secure connectivity provided by site-to-site IPSec VPNs with the AVVID architecture for delivering converged voice, video, and data IP networks. Integrating these two network solutions delivers cost-effective, flexible wide-area connectivity, while providing a network infrastructure that enables the latest converged network applications like IP Telephony and Video.
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