• Course Length:
  • 1 hour of eLearning

NOTE: While you can purchase this course on any device, currently you can only run the course on your desktop or laptop.

As the communications industry transitions to wireless and wireline converged networks to support voice, video, data and mobile services over IP networks, a solid understanding of IP and its role in networking is essential. IP is to data transfer as what a dial tone is to a wireline telephone. A fundamental knowledge of IPv4 and IPv6 networking along with the use of IP for Quality of Service (QoS) is a must for all telecom professionals. A solid foundation in IP and QoS has become a basic job requirement in the carrier world. Various applications have their own QoS requirements in converged networks, and one size definitely does not fit all. This course introduces the concept of QoS. The two basic techniques used for QoS - Integrated Services and Differentiated Services - are presented. While IntServ and DiffServ are the approaches, service providers need an infrastructure to deploy QoS-based applications rapidly. This is a modular introductory course on IP QoS basics as part of the overall eLearning IP fundamentals curriculum.

This course is intended for anyone seeking an overview of the IP Quality of Service architectures.

After completing this course, the student will be able to:
• Explore the Motivations for QoS in an IP network
• Describe the different QoS parameters
• Define the QoS process and Service Level Agreements
• Explain the Policy based QoS architecture
• Differentiate the IP QoS models: IntServ and DiffServ
• Explain in detail how the DiffServ model is implemented
• Explain how QoS is achieved in the LTE network

1. Motivation for Quality of Service
1.1. Definition of Quality of Service
1.2. QoS parameters
1.3. Service examples

2. QoS Requirements
2.1. Requirements of QoS
2.2. QoS process
2.3. Service Level Agreement (SLA)
2.4. Policy based QoS architecture

3. QoS Models
3.1. Introduction to IP QoS models
3.2. Integrated Services (IntServ)
3.3. Differentiated Services (DiffServ)

4. DiffServ
4.1. Differentiated services approach
4.2. DiffServ protocol
4.3. DSCP
4.4. Traffic enforcement functions
4.5. DiffServ support in Ethernet and MPLS
4.6. QoS in LTE network


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