Infrastructure Protection and Security Service Integration Design for the Next Generation WAN Edge v2.0

Chia sẻ: Ba Trinh | Ngày: | Loại File: PDF | Số trang:184

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Infrastructure Protection and Security Service Integration Design for the Next Generation WAN Edge v2.0

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Modern WAN architectures require additional network capabilities to support current higher bandwidth and mission-critical applications. Requirements for deploying voice over IP (VoIP) and video conferencing include high availability, IP multicast, and quality of service (QoS). Today, most enterprises rely on private WAN connections such as Frame Relay, ATM, or leased-line services to connect their businesses. When deploying a traditional Frame Relay or ATM-based private WAN, however, network operations must implement point-to-point or hub-and-spoke architectures that make provisioning and management of moves, adds, or changes on the network complex. Also, the operational expense for a private WAN can sometimes be higher...

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