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Subject:

CONFERENCE: ITC16 tutorial programme, Edinburgh

From:

Richard Gibbens <[log in to unmask]>

Reply-To:

Richard Gibbens <[log in to unmask]>

Date:

Tue, 11 May 1999 11:25:04 +0100

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text/plain

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[ Apologies if you receive repeat copies. ]

Here are some details of the tutorial programme for the
forthcoming ITC16 conference. Further information on
the conference, including registration details can be
found at the web address

http://www.iee.org.uk/Conf/ITC16




ITC16: INTERNATIONAL TELETRAFFIC CONGRESS

               Edinburgh International Conference Centre, UK


TUTORIAL PROGRAMME

Sunday, 6 June 1999

10:00 - 13:00

Tutorial A
BUSINESS PERSECTIVES
(Dr Graham Louth, Analysys Ltd, UK)

- or -

Tutorial B
WEB CACHING
(Professor Keith Ross, Institute Eurecom, France)

14:00 - 17:00

Tutorial C
NETWORK PRICING
(Professor C Courcoubetis,University of Crete
and ICS-FORTH, Greece)

- or -

Tutorial D
WAVELETS
(Dr Emma McCoy, Imperial College, UK)


======================================================

TUTORIAL ABSRACTS

======================================================
 
TUTORIAL A
BUSINESS PERSPECTIVES
DR GRAHAM LOUTH
ANALYSYS LTD, UK


This tutorial considers the future shape of the
telecoms industry worldwide, focussing on the forces
that are driving the industry away from its traditional
model of national monopolies, providing largely basic
telephony services, towards one where players compete
at all levels in the value chain, providing every
conceivable type of communications service. The forces
analysed include:

* The IP and Internet revolution
* The demand for mobility
* The falling cost of bandwidth
* The death of distance
* The access bottleneck
* The wireless alternative
* Convergence
* Globalisation
* Liberalisation
* Regulation

This tutorial will be of interest to everyone connected
with telecoms who wants to understand how their
situation will be affected by the transformation of the
industry that is currently unfolding.
 
TUTORIAL B
WEB CACHING
PROFESSOR KEITH ROSS
INSTITUTE EURECOM, FRANCE
        
The majority of information sent through today's Internet
is stored information, including documents, images, and
video. The distribution of stored information can be
greatly facilitated by introducing into the network
intermediate storage nodes that replicate and cache
popular objects. By caching popular objects close to the
user, a Web cache can significantly reduce the number of
times the same object is repeatedly transmitted over a
link and significantly reduce the average time to
retrieve an object. Further improvements in latency
performance are possible by anticipating requests and
pushing objects to caches and clients. ISPs are
currently adding network caches to their networks at
phenomenal rates. Because disk capacity is growing at a
rate of 60% a year, ISPs will be able to cache terabytes
of information. This points to a paradigm shift: up to
very recently the principle resource in a network was
bandwdith; now the there are two principle resources,
bandwidth and capacity. The goal of this tutorial is
twofold: First to examine in detail caching protocols and
technologies, including the challenges they will need to
meet in the upcoming years. Second, to provide an
overview of recent important research in areas of
hierarchical and cooperative caching.


TUTORIAL C
NETWORK PRICING
PROFESSOR C COURCOUBETIS
University of Crete and ICS-FORTH, Greece

Operators of high-speed networks, such as wide area
carriers and Internet backbone service providers, are
concerned to implement charging schemes by which they can
fairly recover costs from their customers and also
effectively control the allocation of resources in their
networks. Well-designed tariffs not only generate income
for the network, but also introduce feedback and control
by providing the right incentives for network usage to
the customers, and hence improve performance by reducing
unnecessary congestion. An important aspect of charging
schemes is their technological feasibility. Since one of
the major operating costs of a network is accounting and
billing, there is an important trade-off between the
complexity of the charging model in terms of measurements
and the resulting accuracy of the model for expressing
effective usage and providing fair charging. Furthermore,
such models should comply and take advantage of
technology standards for broadband equipment and
services. This tutorial will address some of the above
issues, and propose a framework that can be used for
constructing simple but yet effective usage-based
charging schemes. In particular we address the following
topics:

* Review of basic concepts in current service architectures
   (ATM, Internet) and relation with resource allocation and
   statistical multiplexing
   
* Introduction of key economic concepts
   
* Introduction of basic tools for assessing resource usage
   in systems with high degree of statistical multiplexing
   (effective bandwidths)
   
* A methodology for constructing simple usage based schemes
   for guaranteed services, and its implications for user
   behavior (traffic shaping, choice of traffic contract)
   
* Charging elastic services and its relationship to the
   fair allocation of network resources (proportional
   fairness)
   
* Issues related to Internet charging, the implication of
   charging to call acceptance control, the advantages of
   renegotiating traffic contracts, etc
   
TUTORIAL D
WAVELETS
DR EMMA MCCOY
IMPERIAL COLLEGE, UK

This tutorial will provide an introduction to wavelets
and wavelet analysis including a description of the
discrete wavelet transform and examples of
signal-processing applications. The following topics will
be covered:

1) Introduction
i) Comparison between the wavelet and
     Fourier transform - sparsity
ii) Multiresolution analysis
iii) Fast pyramid algorithm - filtering and decimation

2) Extensions
i) Description of different wavelets
ii) Wavelet packet transform
iii) Translation-invariant wavelet transform

3) Applications
i) Signal de-noising
ii) Data compression
iii) Time-frequency analysis
iv) Long-memory processes


======================================================



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