[Invitation] Soutenance de thèse de Ilhem FAJJARI le Mercredi 12/09/2012

Bonjour,

J'ai le plaisir de vous inviter à ma soutenance de thèse "Resource
Allocation Algorithms for Virtual Networks within Cloud Backbone
Network" et au pot qui la succédera.

La soutenance se déroulera le Mercredi 12 Septembre à 14h, Tour 25-26,
1 étage, salle 105 du Laboratoire d'Informatique de Paris 6 (LIP6)
situé au:

Université UPMC
4, Place Jussieu
75005 Paris

Plan d'accès: http://www.lip6.fr/informations/comment.php

Abstract:

Cloud computing is new paradigm that attracts an increasing number of
clients due to the advantages that it supplies, such as economic,
management, deployment, security, etc. In this context, Cloud
providers must possess efficient techniques to supply clients with
computational resources over scalable networks. An optimal and fast
provisioning algorithm is fundamental to achieve the above objective.
Cloud providers need to minimise their provision cost whilst
guaranteeing the
requested users' Service Level Agreements (SLA).
In this thesis, we will address the problematic of virtual network
resource provisioning within Cloud backbone network infrastructure.
Our research aims to optimise the allocation of virtual networks over
a physical network while meeting the end users' requirements and
maximising the revenue of the Cloud provider. The problem of virtual
network resource provisioning is NP-hard. To overcome the great
complexity involved, we will propose several heuristic provisioning
strategies and we will tackle the problem in three stages. In the
first stage, we will consider a static virtual network embedding where
peak demand is considered. We will propound a new scalable virtual
network embedding strategy named VNE-AC based on the Ant Colony
metaheuristic. In the second stage, we will build on the work carried
out in the first stage by integrating a reconfiguration mechanism in
order to improve the resource usage and enhance Cloud provider
profitability. This will lead us to propose a new greedy Virtual
Network Reconfiguration algorithm named VNR. Finally, in the third
stage, we will consider an adaptive embedding strategy taking into
consideration circulating traffic in order to avoid resource
over-provisioning led by peak-demand allocation. We will introduce an
adaptive virtual network resource allocation strategy named
Adaptive-VNE to deal with the complexity and the inefficiency of
resource allocation. The results obtained prove the efficiency of our
proposed strategies.

Jury:

-Mr Bernard COUSIN Reviewer Professor, University of Rennes 1 – France
-Mr Raouf BOUTABA Reviewer Professor, University of Waterloo – Canada
-Mr Djamal ZEGHLACHE Examiner Professor, Telecom Sud Paris – France
-Mr Jean-pierre CLAUDE Examiner Professor, University of Versailles
Saint-Quentin-en-Yvelines – France
-Mr Dominique VERCHERE Examiner Senior Researcher, Alcatel-Lucent Bell
Labs – France
-Mr Marcelo DIAS DE AMORIM Examiner Research director, University
Pierre et Marie Curie – France
-Mr Nadjib AIT SAADI Examiner Associate Professor, University of
Paris-Est Creteil Val de Marne – France
-Mr Guy Pujolle Supervisor Professor, Pierre & Marie Curie University
– Paris - France


Très cordialement,
Ilhem FAJJARI

--
Ilhem FAJJARI

PhD Student
LIP6 - Pierre & Marie Curie University - Paris Universitas
BC 169
4, Place Jussieu
75005, Paris - France
http://sites.google.com/site/ilhemfajjari/
TEL : +33 1 44 27 71 33
FAX : +33 1 44 27 87 83