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Internetworking Multimedia
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Contents
List of Figures
The Internet Multimedia Protocol Stack
The Internet Multicast Model
Stages in Joining an Internet Conference
Roadmap of User and Network Service Interface
Locales in Space and Time
Direction of RSVP messages
Fixed Filter Reservation Example.
Wildcard Filter Reservation Example.
Shared Explicit Reservation Example.
R1=2.5Mb/s, S1=0. Reservation request denied.
R1=3Mb/s, S1>0, R2=2Mb/s, S2<S1. Reservation accepted.
Formation of a CBT bidirectional shared tree
Formation of a Sparse Mode PIM tree
Formation of a BGMP Shared Tree
Forming a BGMP Shortest-path branch
Overlapping scope zones possible with administrative scoping
Road Map of Chapter Four
Sampling a Continuous Signal
Quantisation of Samples
Square Wave
Spectrum of a Square Waev
Square from One Sine Wave
Square from Two Sine Waves
Square from Three Sine Waves
Square from Four Sine Waves
The Author Saying ``smith''
Typical Voice Spectrum
The spatial size of digital video compared with a PAL TV image
Some Examples of DCT'd data
H261 Encoder
MPEG Frames
H261 versus MPEG data rates
H221 Framing
H320 Structure
Typical Media Tool Data Flows
End to end requirement for playout adaption
MPEG Systems Stream
Annotated SDP Session Description
Session Announcement Packets
SIP Request Being Relayed
SIP Request Being Redirected
Complete SIP Call
SIP ``negotiation'' of media parameters
Multipoint Control Unit
ISDN B Channel Bonding
ITU Based Generic Conference Control
CCCP Conceptual Design
Unifying Services with CCCP
Unifiying Floor Control with CCCP
An example of blocks of text used for annotation
An example of application based clock synchronisation
Clock synchronisation failure due to clock granularity being less than transmission delay
Sliding Key Triggered Retransmission Requests
Two users attempting to simultaneously modify the same line
Undesirable behaviour due to simultaneously splitting a line and modifying it.
Simultaneous Insertion is a Detectable Situation
Simultaneous Deletion and Insertion - no inconsistency
Simultaneous Deletion and Insertion resulting in inconsistency
Virtual Reality Software Structure
The recorder is independent of the conference
The recorder attaches to the conference to record the data
Client informs server which collects multicast data
Having multiple text descriptions for a media
Selecting segments from a recording
The synchronisation of 3 segments of audio and video
Storage Devices for Multimedia on Demand Servers
The structure of an index element
The structure of an attribute element
The data for a source and its index
Multiple edits of a media
An index of index references
A time-based index referencing three other indexes
The recorder de-multiplexes data from a single multicast address
The delay between record start time and source data arrival
The propagation of commands through the object hierarchy
Basic HTTP Exchange
The Index Architecture
Encrypting to provide confidentiality
Authentication and Integrity with digital signatures
Jon CROWCROFT
1998-12-03