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1
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Objectives of Next Generation Networks
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1.1
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What Is a Next Generation Network?
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1.1.1
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The Definition by the ITU
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1.1.2
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3GPP—3G Partnership Project
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1.1.3
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ETSI—The European Idea with TISPAN
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1.2
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A First Glance on the IMS
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1.3
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Services of the NGN—An Introduction
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1.3.1
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Multimedia: VoIP, VoD, IPTV, Virtual Reality
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2
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SIP and RTP
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2.1
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SIP—Session Initiation Protocol
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2.1.1
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Classification in the ISO/OSI Model
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2.1.2
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Borrowed? But from where?
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2.1.3
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Standardization
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2.2
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The Components of the SIP Architecture and their Tasks
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2.2.1
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The End Devices: User Agents
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2.2.2
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The Gateways
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2.2.3
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The SIP Proxy
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2.2.4
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Addressing: SIP and Tel URIs
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2.3
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Protocol Setup
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2.3.1
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Requests from INVITE to BYE
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2.3.2
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Further Methods
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2.3.3
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Responses from 100 Trying to 600 Busy Everywhere
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2.3.4
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A Session with Two Proxies
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2.4
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Real-Time Applications via IP-RTP
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2.5
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Session Description Protocol (SDP)
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2.5.1
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Setup of the Message Body with SDP
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3
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The IMS Architecture
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3.1
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The IMS Architecture in an Overview
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3.1.1
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Components of IMS
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3.1.2
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Protocols Used in IMS
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3.1.3
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An Example
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3.2
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The IMS Architecture in Detail
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3.2.1
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Setup of the NGN According to ETSI
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3.3
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Call Session Control Functions
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3.3.1
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Proxy CSCF
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3.3.2
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Interrogating-CSCF
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3.3.3
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Serving-CSCF
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3.4
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Application Server
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3.4.1
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Legacy Services of GSM/UMTS
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3.4.2
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Media Resource Function
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3.5
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User Administration with HSS and SLF
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3.6
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Interworking with the PSTN
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3.6.1
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The Interworking Reference Model
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3.6.2
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The Breakout Gateway Control Function
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3.7
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Session Border Controller
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3.7.1
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SBC and NAT
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3.7.2
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Access Control through Session Border Controllers
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3.7.3
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SBC and IMS
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3.8
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TISPAN Components of the IMS
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3.8.1
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Resource and Admission Control System
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3.8.2
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The Network Attachment Subsystem
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4
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The Transport Networks
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4.1
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In the Core: MPLS
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4.1.1
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Label-Switched Paths
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4.1.2
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IP-VPNs with MPLS and BGP-4
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4.2
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Metropolitan Ethernet
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4.2.1
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Features of Ethernet and their Consequences
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4.2.2
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Point-to-Point Connections
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4.2.3
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Multipoint-to-Multipoint Service
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4.2.4
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Provider Bridging—IEEE802.1ad
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4.2.5
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Provider Backbone Bridging—IEEE 802.1ah
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4.2.6
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T-MPLS
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4.2.7
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VPLS
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4.2.8
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General Features of the Backbone Technology
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4.2.9
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Standardization
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4.3
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Digital Subscriber Line (DSL)
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4.3.1
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ADSL2 and ADSL2+
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4.3.2
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VDSL, VDSL2, and Fiber-to-the-Curb
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4.3.3
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Delay Aspects
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4.3.4
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ATM DSLAMs
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4.3.5
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Ethernet DSLAMs
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4.3.6
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IP DSLAMs
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4.3.7
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Ethernet Aggregation for DSL Networks
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4.4
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Broadband Cable
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4.4.1
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DOCSIS Versions
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4.4.2
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The Cable Modem
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4.4.3
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Packet-Cable Concept
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4.5
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Mobile Communications
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4.5.1
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UMTS
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4.5.2
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UMTS Releases in an Overview
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4.5.3
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HSUPA, HASDPA, HSPA (+)
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4.5.4
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Migration to R4
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4.5.5
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Long Term Evolution: LTE
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5
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Applications in the NGN
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5.1
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IPTV
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5.1.1
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Protocols
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5.1.2
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From the Broadcast Station to the Screen
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5.1.3
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Added Value of IPTV
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5.2
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Video on Demand
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5.3
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Service Creation
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5.3.1
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Service Creation Environments
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5.3.2
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APIs (Parlay)
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6
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Cross-Provider Aspects
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6.1
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Scenarios for VoIP Interconnection
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6.1.1
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Peering Today and Tomorrow
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6.1.2
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CoS and PHB
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6.1.3
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Session Peering
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6.2
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ENUM—Call Number Mapping and Detection
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6.2.1
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Address Structures
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6.2.2
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The ENUM Request in Detail
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6.2.3
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ENUM in Germany
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6.2.4
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Discussion
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6.3
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Billing Methods for VoIP Peering
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6.3.1
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Bill & Keep
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6.3.2
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Calling Party Network Pays
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6.3.3
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The Viewpoint of the End Customer: Calling Party Pays
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6.3.4
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Further Procedures
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6.3.5
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Discussion
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A
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List of Abbreviations
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B
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Index
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