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QoS is an end-to-end proposition that requires robust tools to control classification, prioritization, and management of traffic throughout the network infrastructure, not only for voice, video, data, streaming media, and signaling traffic, but also for treatment of all network applications. The tools used to accomplish this include the advanced QoS technologies listed above; Cisco's Modular QoS CLI, AutoQoS, and Network-Based Application Recognition (NBAR) capabilities embedded within Cisco IOS Software; and powerful configuration, provisioning, and network management tools such as QoS Policy Manager (QPM). Cisco's end-to-end support for 802.1p/q VLANs can be used for the separation of traffic, and for identifying trusted and untrusted devices. Advanced buffer management and congestion management features built into Cisco Catalyst switches and routers help to ensure converged network deployments that assure high performance, QoS, scalability, flexibility, and ease of use. MIGRATION AND CO-EXISTENCE Deploying IP Communications in an existing site requires a clear migration path from legacy equipment to an IP-based system. Cisco focuses on the end-to-end process of migration to ensure a smooth transition from TDM-based technology, allowing businesses to retire their legacy equipment at the conclusion of the migration. Businesses must consider five important areas while planning a migration: 1. The pace, order and approach to deployment 2. IP infrastructure readiness 3. Feature transparency and interoperability between the IP system and the TDM system 4. Movement of data from legacy components to IP components 5. Business processes and training associated with support of an IP-based communications systems Cisco and Cisco partners provide a range of tools and services to assist businesses with their deployments. Cisco IP Communications has been designed to interoperate and co-exist with most of the existing TDM voice equipment on the market today. In addition, by taking a systems approach to migration, Cisco customers are better able to move forward more quickly and with less risk, eliminating the reliance on TDM technology and accelerating the benefits of IP. For more information about migrating from TDM to IP solutions, visit: http:// \ v W w. cis.: o. .:flln/ go/i n te rope ra h i I i ty NETWORK MANAGEMENT Cisco offers numerous network management, QoS, and security management tools that support Cisco IP Communications and the Cisco AVVID network infrastructure. The CiscoWorks product line includes comprehensive network management tools that cover the full life cycle from planning and design through implementation/deployment, operations. and maintenance. These tools are designed to improve productivity and reduce total cost of ownership through automation, integration, and simplification. They are instrumental in the planning and design of IP Communications traffic over the network. Once Cisco IP Communications solutions are deployed, th~se-tools enable customers to consistently, easily, and centrally manage critical network characteristics such as availability, resilience, responsiveness, and security. The primary tools in this suite include the CiscoWorks IP Telephony Environment Monitor, QPM, VPN/Security Management Solution, and the Cisco Network Analysis Module. These tools work in conjunction with Cisco CallManager, which also offers enhanced software and configuration management tools that take advantage of the strength and flexibility of IP networks. The Cisco CallManager user interface simplifies the most common subscriber and telephony configuration tasks by building upon traditional telephony adminis- tration systems and adding software and Web-based applications. Having network operations tools working together with telephony administration tools is another Cisco advantage in extending the benefits of a converged network to the effectiveness of the IT operations staff. For more information about network management solutions for Cisco IP Communications, visit: Imp://\vww.cisco.com/en/US/products/sw/cscoworklps2 4 33/index. html 14