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UMTS QoS Training Fundamentals Course Powered by ENO
The UMTS QoS Training Fundamentals course examines how the UMTS network supports end-to-end Quality of Service. The different functions and protocols supporting end-to-end QoS are described, with focus on the UMTS Bearer Service and the solutions in the packet switched domain.
• If you are familiar with some aspects of this UMTS QoS Training Fundamentals course, we can omit or shorten their discussion.
• We can adjust the emphasis placed on the various topics or build the course around the mix of technologies of interest to you (including technologies other than those included in this outline).
• If your background is nontechnical, we can exclude the more technical topics, include the topics that may be of special interest to you (e.g., as a manager or policy-maker), and present the course in manner understandable to lay audiences.
• Understand what Quality of Service to expect from the UMTS network and what requirements this put on the different nodes in the UMTS architecture.
• Understand what different solutions that can be used to enable QoS in a packet switched etwork, and the benefits and limitations of each solution.
• Understand how end-to-end Quality of Service could be implemented using IP and ATM mechanisms.
• The implementation of QoS on each interface in the UMTS architecture is discussed, from the radio interface and ATM network to the IP solutions in the backbone and the External Bearer Service.
• The QoS solution of the IP Multimedia Subsystem (IMS) is described
UMTS QoS Training Fundamentals – Course Syllabus:
◾UMTS architecture release -99 to release -5
◾The notion of QoS mechanisms in GSM and GPRS
◾Quality of Service Overview
◾Explains what and why of Quality of Service
◾The range of QoS mechanisms
◾QoS models- Differentiated Services (DiffServ), Integrated Services (IntServ) and MPLS
General Requirements for QoS
◾End User Requirements for QoS
◾Characteristic of asymmetric nature between two directions
◾QoS has to be provided end-to-end
◾Efficient use of radio capacity.
◾Independent evolution of Core and Access networks
QoS fundamentals and the need for IP QoS
◾Differentiated Services QoS architecture and its enabling QoS functionality
◾Integrated Services QoS model and its enabling QoS functions
◾ATM, Frame Relay, and IEEE 802.1 QoS technologies and how they interwork with IQoS
◾MPLS and MPLS VPN QoS and how they interwork with IP QoS
◾MPLS traffic engineering
◾Routing policies, general IP QoS functions, and other miscellaneous QoS information
The UMTS end-to-end QoS architecture
◾Functions and protocols
◾The UMTS Bearer Service
◾Details of QoS Classes
UMTS network architecture – where is QoS relevant ?
◾UMTS QoS architecture
◾UMTS traffic class concept
◾UMTS IMS Quality of Service (QoS)
◾Service based Local Policy (SBLP)
◾Policy Control Function (PCF)
◾End to End QoS architecture
◾QoS allocation scenarios
◾Architecture of UMTS IP Multimedia subsystem
◾Components and functions (CSCF, HSS, MGCF, MGW etc.)
◾Interfaces and Protocols
Technical Requirements for QoS
◾Mapping between application requirements and UMTS services
◾UMTS QoS architecture issues
◾Overview of different Levels of QoS
What is ATM QoS?
◾QoS in ATM
◾Support in UMTS
◾Available QoS classes and parameters
UMTS Bearer Service Attributes
◾Traffic class (‘conversational’, ‘streaming’, ‘interactive’, ‘background’)
◾Maximum bitrate (kbps)
◾Guaranteed bitrate (kbps)
◾Delivery order (y/n)
◾Maximum SDU size (octets)
◾SDU format information (bits)
◾SDU error ratio
◾Residual bit error ratio
◾Delivery of erroneous SDUs (y/n/-)
◾Transfer delay (ms)
◾Traffic handling priority
◾Source statistics descriptor (‘speech’/’unknown’)
Simplification of UMTS QoS model
◾End-to-end IP Bearer
◾Application level QoS
◾Different channel types
Mapping QoS to UMTS services
◾Streaming services and IP multimedia system
◾End-to-end QoS signaling scenarios
◾End-to-end QoS provisioning scenarios
◾QoS management functions
◾DiffServ Code Points
◾End-to-End QoS needs QoS provisioning
◾Communication establishment delay
◾Probability of blocking
◾Measuring the Effective Bandwidth Usage
◾Collection of traces
DiffServ-based Traffic Handling Mechanisms for the UMTS Core Network
◾UMTS QoS Architecture
◾UMTS QoS classes to the DiffServ Code Points (DSCPs)
◾The end-to-end QoS management
◾Control plane QoS management functions
◾Data plane QoS management functions
◾The UMTS specifications define four QoS classes
◾Diffserv/MPLS enabled IP-backbone
◾End-to-end delay for voice and video