Real-time applications often do not work well across the internet because of variable queueing delays and congestion losses. QoS aims to prioritize critical applications, and minimize the impact of network aberrations. We have seen from the previous discussion that we need to minimize jitter for time-critical traffic, and prioritize the other types of traffic depending upon their criticality to the business needs of the organization. This means that in case of network congestion, the business-critical applications should not be choked for bandwidth, and packets of business-critical applications should not be dropped before the packets of non-business applications are dropped. More realistically, we assign a specific amount of bandwidth to each type of traffic and ensure that the all types of traffic get their fair share of bandwidth on the network. We will discuss this...
Implementing Cisco Networking Solutions
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Implementing Cisco Networking Solutions
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Overview of this book
Most enterprises use Cisco networking equipment to design and implement their networks. However, some networks outperform networks in other enterprises in terms of performance and meeting new business demands, because they were designed with a visionary approach.
The book starts by describing the various stages in the network lifecycle and covers the plan, build, and operate phases. It covers topics that will help network engineers capture requirements, choose the right technology, design and implement the network, and finally manage and operate the network. It divides the overall network into its constituents depending upon functionality, and describe the technologies used and the design considerations for each functional area. The areas covered include the campus wired network, wireless access network, WAN choices, datacenter technologies, and security technologies. It also discusses the need to identify business-critical applications on the network, and how to prioritize these applications by deploying QoS on the network.
Each topic provides the technology choices, and the scenario, involved in choosing each technology, and provides configuration guidelines for configuring and implementing solutions in enterprise networks.
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Current Title:
Implementing Cisco Networking Solutions
Table of Contents (12 chapters)
Preface
Free Chapter
Network Building Essentials
Networks for Digital Enterprises
Components of the Enterprise Network
Understanding and Configuring Campus Network Technologies
Understanding and Configuring Wireless Access Technologies
Understanding and Configuring WAN Technologies
Understanding and Configuring Data Center Technologies
Understanding and Configuring Network Security
Understanding and Configuring Quality of Service
A Systematic Approach to Network Management
Customer Reviews