Deploying QoS for IP Next Generation Networks: A guide certainly provides network architects and planners with insight into the various aspects that encourage the spread of QoS for various types of tissue. Provide further detailed design and implementation details for the use of various services on various platforms such as the Cisco CRS-1 Series router, 12000, 7600 & 7200 which are widely used in most of the Carrier Networks. A link to a detailed tutorial on QoS metrics and associated test results will be available on the website companion book to ensure that readers can understand the functionality of QoS from the perspective of deployment. Covers the requirements and solutions in deploying QoS for voice, video, mobility,, IPTV and data traffic classes (Quad-play network), saving the reader time in looking for a specific QoS hardware information, considering the number of Cisco's platforms and line cards. Presents real-life deployment by way of detailed case studies, enabling readers to apply the same solution to the situation in the workplace. Providing QoS architecture and implementation details on Cisco CRS-1 platform, 12000, 7600, and 7200 routing using Cisco IOS / IOS-XR software, assist the reader in using this device and prepare for Cisco certification specialist.