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Network-accelerated serverless backup ( NASB ) helps you back up increased amounts of data in shorter backup timeframes by shifting the data movement from multiple backup servers to Cisco MDS 9000 Series multilayer switches . A. Triple-play services to consumers with high-definition video , video on demand ( VoD ) , and interactive broadband media applications are accelerating the need for bandwidth , and FTTH provides a number of solutions to reduce congestion in the last mile . By combining Cisco 12-port , 24-port and 48-port 4-Gbps Fibre Channel switching modules in a single , modular chassis , customers can design storage networks optimized for cost and performance in a wide range of application environments . Control-plane and data-plane ACLs are supported on all ports to help ensure proper treatment on a per-packet basis . One of the primary benefits of this approach is the integrated services module typically provides a much higher level of performance than its equivalent standalone appliance equivalent . SAN-OS 2.1 provides support for FAIS-based storage applications , appliance-based storage applications via the SANTap protocol , and network-accelerated serverless backup .