pdf_gross.gifDIAMETER and Charging in LTE/IMS

[3-day course, Euro 3,450.- (net) per participant]

backtotop.gifINTRODUCTION AND NETWORK OVERVIEW

Course Description

  • The 3GPP Network Architecture in Context
  • Main Architecture Elements in LTE / SAE
    • MME, SGW, PDN-GW, ePDG
  • Main Architecture Elements in IMS
    • SIP Proxies
    • Gateway Function(s)
    • Application Functions
  • Protocol Stack Views
  • Important Protocols Used in LTE and IMS with Charging Relation
    • SIP / SDP Introduction
    • LTE NAS Level Protocols for Session Control

backtotop.gifHISTORY AND OVERVIEW OF AAA ARCHITECTURES

  • Overview of Authentication, Authorization and Accounting
  • RADIUS – the Concept and Protocol Usages
  • Protocol Evolution with Diameter
  • Diameter Use Cases and Applicability within 3GPP
    • Authorization, Users, Services
    • Authentication, Users, Network
    • Security Architecture Overview
    • Policing with Diameter, PDF, PCRF
    • Session Control with Diameter
    • Diameter in the Charging Architecture

backtotop.gifDIAMETER PROTOCOL STACK DETAILS

  • Diameter Protocol Stack Review
    • IPv4 / IPv6 Key Parameters, Comparison and Terminology
    • The Transport Alternatives – TCP vs. SCTP
  • SCTP as Diameter Transport
    • Feature Overview and Terminology
    • SCTP Details
    • SCTP Security Considerations
    • Redundancy Modes and Options with SCTP

backtotop.gifARCHITECTURE DETAILS AND OPTIONS

  • Logical Policy and Charging (PCC) Architecture – Non Roaming Case
  • PCC Roaming Architecture – Home Routed Access
  • PCC Roaming Architecture – Local Breakout Case
  • Operational Issues
    • Session Establishment, Modification and Termination Involving PCEF and PCRF Functions
    • PCRF in V-PLMN vs H-PLMN
    • PCRF Discovery and Selection – the Case of the Optional Diameter Routing Agent(s) (DRA)

backtotop.gifDETAILS OF THE CHARGING ARCHITECTURE WITH LTE/SAE AND IMS

  • Charging in the Specification
    • CS Domain, PS Domain, WLAN, IM Subsystem
    • Service Charging, Advice of Charge (AoC), Online Charging System (OCS)
  • The Billing Domain
    • Online-, Offline-, Flow based Charging
  • Charging Architecture without IMS
    • Enhanced Interworking with CDMA 2000
  • Charging Architecture with IMS

backtotop.gifDIAMETER PROTOCOL DETAILS

  • Protocol Architecture
    • Real Life Message Example
    • ... and the Related Message Layout
    • Application IDs
    • Command Codes
    • Vendor ID
  • Selected Protocol Formats
    • Header Format
    • Command Flags
    • Command Codes
    • Hop-by-Hop and End-to-End Identifier
    • Attribute Value Pairs (AVP)
    • AVP Flags and their Meaning
  • Differences between DIAMETER and RADIUS
    • AVP Address Space
    • Length Field of AVPs
    • e2e-Ack of Messages
    • Transport Protocol
    • Peer Discovery
    • Security

backtotop.gifSELECTED SCENARIOS AND USE CASES

  • Connections vs. Sessions
    • Definition
    • Connections
    • Sessions
    • Real-Life Example of a Session-ID
  • Capabilities Exchange Procedure (CER / CEA)
    • Procedural View
    • CER -Message Example
    • CEA -Message Example
  • Selected Scenarios
    • DIAMETER: Registration towards the IMS
    • Session Establishment, Termination and Modification with PCEF and PCRF Involvement
    • DIAMETER Use within the Evolved Packet Core
    • DIAMETER: Charging at the IMS

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