Having led the market in deploying e-commerce, customer care, supply chain management, workforce optimization, e-learning, and e-publishing solutions, Cisco has developed frameworks around strategies and tactics for successfully conducting business online. This Internet systems architecture provides a complete end-to-end solution, taking into account a variety of critical technology aspects such as availability, security, quality of service, and network management. CISS Architecture Essentials is based on the Cisco-developed training course of the same name and gives network engineers an introduction to building an Internet architecture to support new world applications. This book focuses on giving readers the knowledge needed to ensure consistent and scalable network specifications for e-business implementation. Important design considerations such as capacity, connectivity, availability, security, QoS, and network systems management are all discussed in terms of specific customer requirements.