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− | The ''' | + | <div class="well well-sm">{{Media|src=://c3lab.poliba.it/skins/common/images/c3lab.png|width=100|halign=right|valign=middle|body=The '''Control of Computing and Communication Systems''' lab focuses on the analysis and control of network systems. Example of applications are: adaptive video streaming, Web real time communication WebRTC, control and orchestration of CDN, Server overload control, SIP overload control, TCP congestion control. Control of such systems involves: non linear control, switching control, time-delay system control, optimal control, robust control.}}</div> |
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− | + | ==News== | |
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Saverio Mascolo has been elevated to the grade of IEEE Fellow for contributions to modeling and control of congestion in packet networks.
We got the best student paper award at the MMSYS 2016 conference for our work:
Google Faculty Award 2014 for designing a congestion control algorithm for real-time communication within the WebRTC framework to enable video conference among Web browsers.
Cisco Award 2013 Funded by "Cisco University Research Program" managed by the Silicon Valley Community Foundation.This proposal aims at designing a robust, efficient and scalable control system for adaptive (live) video streaming over the best-effort Internet.
Title : Architecture for Robust and Efficient Control of Dynamic Adaptive Video Streaming over HTTP.
In this paper, we present a model of the automatic video stream-switching employed by Akamai along with a description of the client-side communication and control protocol. From the control architecture point of view, the automatic adaptation is achieved by means of two interacting control loops having the controllers at the client and the actuators at the server: one loop is the buffer controller, which aims at steering the client playout buffer to a target length by regulating the server sending rate; the other one implements the stream-switching controller and aims at selecting the video level. A detailed validation of the proposed model has been carried out through experimental measurements in an emulated scenario (IEEE explore link).
The Computer, Communication and Control Lab focuses on the convergence of computer, communication and control to design and analyze large networked complex systems.
Research Topics | Research Projects |
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640x480 pixels Video over IP DEMO2009 Mar BEST video application over a variable bandwidth. Click on the image to go to the demo. Video Conference DEMO (Best vs Skype Video)2009 Jan BEST application versus Skype video over a variable bandwidth. Click on the image to go to the demo. IEEE CDC '082008 July In this paper we derive a mathematical model of the Skype VoIP congestion control in order to evaluate properties such as efficiency in network utilization while avoiding congestion, which is particularly detrimental for VoIP traffic.
NOSSDAV '082008 May In this paper we investigate Skype Video in order to discover to what extent this application is able to throttle its sending rate in order to match the unpredictable Internet bandwidth while preserving resources for co-existing best-effort TCP traffic.
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