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== Ing. Daniela Saladino ==
== Ing. Daniela Saladino PhD ==


[[File:daniela2.jpg]]
<TABLE border="0" width="100%">
<TR><TD align="center">[[File:Daniela3.jpg]]
<TD>ICT Researcher


PhD Student
Department of Information Engineering
 
ICT Doctorate School
 
XXIII Cycle Electronics and Telecommunication
 
 
Dipartimento di Ingegneria dell'Informazione


Via Vignolese 905/b  
Via Vignolese 905/b  
Line 16: Line 11:
41125 Modena, Italy
41125 Modena, Italy


Email: [mailto:daniela.saladino@unimore.it daniela.saladino@unimore.it]
Tel: +39 059 2056323


Email: daniela.saladino@unimore.it
</TABLE>


Tel: +39 059 2056323


website: http://www.dii.unimore.it/wonet
'''Curriculum Vitae'''


She is currently working as a researcher in ELECOM lab of University of Modena and Reggio Emilia (Italy). She is involved in the European Project FP7 “A Holistic Approach Toward the Development of the First Responder of the Future” and her task is to manage the communication services, and in particular multimedia applications, in an emergency network during a disaster event.


'''Curriculum Vitae''':
She received her doctorate (Ph.D.) degree at Department of Information Engineering of University of Modena
and Reggio Emilia (Italy) on February 2011.


She is currently a Ph.D. student at Department of Information Engineering of University of Modena
and Reggio Emilia (Italy) and her expected graduation date is January 2011.
Her research domain is: “Live video streaming in peer-to-peer systems”. She is currently focused on
the definition of a mathematical model that captures the relationship between efficiency of a P2P
live streaming system and the number of connected users. In particular, she is studying the effects
of a sudden increase in the number of new peers on system efficiency.
She received her master degree (summa cum laude) in computer engineering from the same
She received her master degree (summa cum laude) in computer engineering from the same
University on December 12, 2006, discussing a thesis on “Digital Terrestrial Television: design and
University on December 12, 2006, discussing a thesis on “Digital Terrestrial Television: design and
development of a T-Government application”.
development of a T-Government application”.


She attended and presented the following papers into two national conferences:
She attended and presented the following papers into national conferences:


- M. L. Merani, <u>D. Saladino</u>, M. Stracuzzi, “Network-Wide Quality in P2P Video Streaming
- M. L. Merani, <u>D. Saladino</u>, M. Stracuzzi, “Network-Wide Quality in P2P Video Streaming
Line 46: Line 39:
Tecnologie dell’Informazione) 2009 - Parma, Italy, June 2009
Tecnologie dell’Informazione) 2009 - Parma, Italy, June 2009


She contributed to the following paper:
- M. L. Merani, G. P. Leonardi, <u>D. Saladino</u>, “How Do P2P Streaming Systems React to Peer Dynamics and Free Riders? A Three-Populations Model to Seize the Answer”, Workshop RETI.IT 2010 - Bormio, Italy, January 2010


- M. L. Merani, G. P. Leonardi, <u>D. Saladino</u>, “Scalability and Peer Churning in IP-TV: an
- M. Casoni, A. Paganelli, <u>D. Saladino</u>, “Multimedia Communications in Emergency Networks: Service Budget and Feasibility Analysis”, Workshop RETI.IT 2012 - Courmayeur, Italy, January 2012
Analytical Insight”. Accepted for oral presentation at Globecom 2009, Honolulu,
 
November/December 2009.
She contributed to the following paper for international conferences:
 
- M. L. Merani, G. P. Leonardi, <u>D. Saladino</u>, “Scalability and Peer Churning in IP-TV: an Analytical Insight”. Proc. of IEEE at Globecom 2009, Honolulu, November/December 2009
 
- M. L. Merani, <u>D. Saladino</u>, G.P. Leonardi, "A Model to Seize the Instantaneous Performance of P2P Streaming Platforms: Simulative and Experimental Validation", Proc. of IEEE Globecom 2011, December 2011, Houston, Texas, USA
 
- M. L. Merani, M. Capetta, <u>D. Saladino</u>, "Taking Advantage of Social Network Relationships in P2P Streaming Overlays", Proc. of IEEE Globecom 2011, December 2011, Houston, Texas, USA.
 
She contributed to the following paper for magazine:
 
- M. L. Merani, M. Capetta, <u>D. Saladino</u>, "Cooperation Among Members of Online Communities: Profitable Mechanisms to Better Distribute Near-Real-Time Services", International Journal of Wireless Networks and Broadband Technologies, 1(3), pp.1-14, July-September 2011.


She also contributed to the writing of an accepted book chapter, whose title is “Live Video and IPTV”,
She also contributed to the writing of an accepted book chapter, whose title is “Live Video and IPTV”,
coauthored by M. L. Merani and <u>D. Saladino</u>, within the book “Handbook of P2P Networking”, Springer.
coauthored by M. L. Merani and <u>D. Saladino</u>, within the book “Handbook of P2P Networking”, Springer.
'''Reasearch Activities'''
My PhD research activity focused on P2P systems for video streaming.
I was involved with two main subject areas: measurements and mathematical modelling.
As regards measurements, I focused my attention on a small, mesh-pull P2P platform:
StreamerOne. On this system, I performed several tests in order to better understand its functioning
and to emphasize its main criticalities. I carried out two kinds of measurements: client-side,
using a network analyzer, and network wide, by analyzing the server log files to have a more
complete system view. These measurements allowed me to determine the main features of the
examined small overlay. I presented such preliminary outcomes in January, at a national conference
in Italy, in the article entitled “Network-Wide Quality in P2P Video Streaming Systems: Models
and Measurements”.
As for the second topic, I monitored the experimental efficiency exhibited by the above
mentioned system in different situations and I contributed to formalize a sufficiently general model
that explains the relationship between the overall system efficiency and the number of connected
users. In particular, the analytical model justifies the rapid decrease of system efficiency when a
sudden increase in the number of connected peers occurs. I refined this mathematical model, in order to also capture system efficiency recovery after the initial
decrease. I additionally worked on the development of new modules for the P2P Java based
simulator named PeerSim.
Further research activity that I aim to pursue in the very next future is the development of
solutions for video quality differentiation of the broadcasted video stream. The idea is to create two
user classes and to devise a video distribution mechanism that provides high video quality to peers
that contribute with a greater amount of upload bandwidth, whereas peers that don’t contribute in
upload or contribute very little are guaranteed a lower video quality. This represents a possible
countermeasure to limit the negative impact of free riders on system performance.

Latest revision as of 14:31, 23 March 2012

Ing. Daniela Saladino PhD

Daniela3.jpg ICT Researcher

Department of Information Engineering

Via Vignolese 905/b

41125 Modena, Italy

Email: daniela.saladino@unimore.it

Tel: +39 059 2056323


Curriculum Vitae

She is currently working as a researcher in ELECOM lab of University of Modena and Reggio Emilia (Italy). She is involved in the European Project FP7 “A Holistic Approach Toward the Development of the First Responder of the Future” and her task is to manage the communication services, and in particular multimedia applications, in an emergency network during a disaster event.

She received her doctorate (Ph.D.) degree at Department of Information Engineering of University of Modena and Reggio Emilia (Italy) on February 2011.

She received her master degree (summa cum laude) in computer engineering from the same University on December 12, 2006, discussing a thesis on “Digital Terrestrial Television: design and development of a T-Government application”.

She attended and presented the following papers into national conferences:

- M. L. Merani, D. Saladino, M. Stracuzzi, “Network-Wide Quality in P2P Video Streaming Systems: Models and Measurements”, Italian Networking Workshop 2009 - Cortina d'Ampezzo, Italy, January 2009

- M. L. Merani, G. P. Leonardi, D. Saladino, “A Model to Capture the Effects of Peer Churning in P2P Streaming Systems”, GTTI (Associazione Gruppo Telecomunicazioni e Tecnologie dell’Informazione) 2009 - Parma, Italy, June 2009

- M. L. Merani, G. P. Leonardi, D. Saladino, “How Do P2P Streaming Systems React to Peer Dynamics and Free Riders? A Three-Populations Model to Seize the Answer”, Workshop RETI.IT 2010 - Bormio, Italy, January 2010

- M. Casoni, A. Paganelli, D. Saladino, “Multimedia Communications in Emergency Networks: Service Budget and Feasibility Analysis”, Workshop RETI.IT 2012 - Courmayeur, Italy, January 2012

She contributed to the following paper for international conferences:

- M. L. Merani, G. P. Leonardi, D. Saladino, “Scalability and Peer Churning in IP-TV: an Analytical Insight”. Proc. of IEEE at Globecom 2009, Honolulu, November/December 2009

- M. L. Merani, D. Saladino, G.P. Leonardi, "A Model to Seize the Instantaneous Performance of P2P Streaming Platforms: Simulative and Experimental Validation", Proc. of IEEE Globecom 2011, December 2011, Houston, Texas, USA

- M. L. Merani, M. Capetta, D. Saladino, "Taking Advantage of Social Network Relationships in P2P Streaming Overlays", Proc. of IEEE Globecom 2011, December 2011, Houston, Texas, USA.

She contributed to the following paper for magazine:

- M. L. Merani, M. Capetta, D. Saladino, "Cooperation Among Members of Online Communities: Profitable Mechanisms to Better Distribute Near-Real-Time Services", International Journal of Wireless Networks and Broadband Technologies, 1(3), pp.1-14, July-September 2011.

She also contributed to the writing of an accepted book chapter, whose title is “Live Video and IPTV”, coauthored by M. L. Merani and D. Saladino, within the book “Handbook of P2P Networking”, Springer.

Reasearch Activities

My PhD research activity focused on P2P systems for video streaming.

I was involved with two main subject areas: measurements and mathematical modelling.

As regards measurements, I focused my attention on a small, mesh-pull P2P platform: StreamerOne. On this system, I performed several tests in order to better understand its functioning and to emphasize its main criticalities. I carried out two kinds of measurements: client-side, using a network analyzer, and network wide, by analyzing the server log files to have a more complete system view. These measurements allowed me to determine the main features of the examined small overlay. I presented such preliminary outcomes in January, at a national conference in Italy, in the article entitled “Network-Wide Quality in P2P Video Streaming Systems: Models and Measurements”.

As for the second topic, I monitored the experimental efficiency exhibited by the above mentioned system in different situations and I contributed to formalize a sufficiently general model that explains the relationship between the overall system efficiency and the number of connected users. In particular, the analytical model justifies the rapid decrease of system efficiency when a sudden increase in the number of connected peers occurs. I refined this mathematical model, in order to also capture system efficiency recovery after the initial decrease. I additionally worked on the development of new modules for the P2P Java based simulator named PeerSim.

Further research activity that I aim to pursue in the very next future is the development of solutions for video quality differentiation of the broadcasted video stream. The idea is to create two user classes and to devise a video distribution mechanism that provides high video quality to peers that contribute with a greater amount of upload bandwidth, whereas peers that don’t contribute in upload or contribute very little are guaranteed a lower video quality. This represents a possible countermeasure to limit the negative impact of free riders on system performance.