Books » Author » Denise Donohue
By Mallory, David; Salhoff, Ken; Donohue, Denise
Cisco Voice Gateways and Gatekeepers provides detailed solutions to real-world problems encountered when implementing a VoIP network. Each chapter presents an overview of a technology followed by a detailed scenario and associated solutions. Emphasis is placed on the accepted bes...t practices and common issues encountered. It will initially serve readers as a reference for complex gateway and gatekeeper deployments and will also be a valuable study aid for the Cisco Certifified Voice Professional (CCVP) certification track. Cisco Voice Gateways and Gatekeepers is divided into five sections. Part one provides an introduction to the roles of both gateways and gatekeepers and includes advice on when to use each. Part two focuses on deploying gateways; working with MGCP, H.323, and SIP; connecting to the PSTN, PBXs, and the IP WAN; configuring basic and advanced dial peers; and implementing SRST. Part Three focuses on deploying and configuring gatekeepers. Part four discusses use of gateways and gatekeepers in a service provider environment. Part five addresses use of the Cisco Tool Command Language (TCL). This book is also recommended self-study training for the CCVP GWGK exam.Read more
By Stewart, Brent; Donohue, Denise
This book provides a comprehensive final review for candidates taking any of the CCNP exams. It steps through exam objectives one-by-one, providing concise and accurate review for all topics.
By White, Russ; Donohue, Denise
Today, both architects and business leaders understand the importance of networks to competitive advantage. Recognizing this, they are seeking better ways to architect and evolve networks based on the current and future needs of the business. The Art of Network Architecture is th...e first book that places business needs and capabilities at the center of the process of architecting and evolving networks, where it belongs. Three pioneering network architects show how to evaluate both business and application requirements from a network designer's perspective, identifying crucial upfront questions that can help you shape networks that support current business strategy and provide flexibility for the future. You'll learn how to: Deepen interactions between business and technology in your organization, and improve the effectiveness of those interactionsFace down challenges of complexity and cost in environments where the business changes faster than the network canFrame the problem(s) and conceptualize the optimal network solutionReflect operational realities, cost issues, and application support in your designFully leverage the benefits of modularity, hierarchy, and virtualizationBuild networks that are more manageable and more resistant to security failuresMake better choices about topology, virtualization, and routingThe authors conclude with three chapter-length case studies: designing an L3VPN core; outsourcing to a cloud service; and supporting Bring Your Own Device.Read more
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