TSSG Student Presents Paper at TRICANS 2013

TSSG PhD student Runxin Wang recently presented a paper entitled ‘Training Traffic Classifiers with Arbitrary Packet Sets’, at the 1st IEEE Workshop on Traffic Identification and Classification for Advanced Network Services and Scenarios (TRICANS 2013) in Budapest, Hungary. The paper, co-authored by Dr Lei Shi and Dr Brendan Jennings addresses techniques for classifying traffic on the Internet, that is analysing data as it flows through the network in order to classify why type of application is generating that data. Internet Service Providers typically treat different types of traffic differently, for example prioritising voice and video communications over peer-to-peer traffic. Previous works have shown that analysing the first few packets in a flow is usually enough to correctly identify the application. However, some application developers have realised this and instead change the first few packets in order to emulate a different application type, thus defeating the classification algorithms. Runxin’s paper investigated the use of a random selection of packets at the start of a flow for identification purposes—this approach is shown to work with an acceptable degree of accuracy.

TSSG student presents paper at QCMan 2013

TSSG MSc by Research studnt Mohamed Adel Mahmoud Mohamed recently presented a paper entitled “A Generic Algorithm for Mid-call Audio Codec Switching” at the 1st IFIP/IEEE International Workshop on QoE Centric Management (QCMan 2013) in Ghent, Belgium. The paper was written by Mohamed, his supervisor Dr Brendan Jennings and collaborators from the Hamilton Institute in NUI Maynooth and the IBM Dublin Software Lab. The work is an output from a joint project between researchers in the FAME research cluster and IBM that is addressing the assessment and improvement of voice and video Quality-of-Experience (QoE) perceived by users of enterprise communications systems. This paper presented an algorithm that performs in-call selection of the most appropriate audio codec given prevailing conditions on the network path between the end points of a voice call, taking into acound the QoE improvement that could be gained by switching codec and the negative impact of the switching process itself. Mohamed’s paper was one of three shortlisted for the best paper award at the workshop.


TSSG recently became a contributing member of the OASIS international standardisation organisation. OASIS (the Organization for the Advancement of Structured Information Standards) is a non-profit consortium that drives the development, convergence and adoption of open standards for the global information society. Its members produce standards for security, Cloud computing, SOA, Web services, the Smart Grid, electronic publishing, emergency management, and other areas.

TSSG’s main current interest in OASIS relates to standardisation of the eXtensible Access Control Markup Language (XACML) a language used to express rules that govern users’ acess to computing resources in IT systems. TSSG researchers Dr Brendan Jennings, Dr Steven Davy and Bernard Butler have a strong interest in XACML and have done significant work on the both the authoring/analysis of XACML rules and on the performance of XACML rule evaluation. TSSG’s work on this area was recently present to the OASIS XACML technical committee and the team are planning their further engagement in XACML standardisation activities.

ArcLabs Tech Sessions

TSSG recently held the first ArcLabs Tech Session. These Tech Sessions are designed to crowd-source material from a conference and disseminate it amongst those taking part in the session. The recent Google I/O Conference was chosen as the topic for the June event. 16 participants from WIT, TSSG and OSS Software condensed 12 hours of video footage into informal presentations (or talks) lasting less than an hour in total.

In total, the session lasted just 2 hours. This included time required to split participants into groups, select a video from the conference and review and collate notes with others of their group. The ArcLabs Tech Sessions are open to anyone wishing to participate and a Google+ community has been created around them.

The Session was organised by Jerry Horgan from TSSG. The next session is currently being planned for July 2013.

For more information, please see links below:

To join the ArcLabs Tech Sessions community click here

To see the previous (June) event, click here

To learn more about Jerry Horgan, click here

TSSG attends the 1st International Summer School on Nanocommunications

TSSG PhD student, Michael Taynnan Barros attended the 1st International Summer School on Nanocommunications in the Technical University of Tampere, Tampere, Finland, during May 21st-23rd. Mr. Barros is currently performing research in molecular communications, focusing on calcium signaling based nanonetworks.

The event featured the leading experts in the nascent Nanocommunication area, who provided enlightening presentations about the state of art, future trends and possible application domains. More than 20 students and researchers were in Finland with the intention to learn and discuss about Molecular Communications and Nano Netoworks. Prof. Ian Akyildiz, Broadband Wireless Networking Lab with Georgia Institute of Technology, USA, opened the event with a talk about the Internet of Nano Things, where he stated that nanomachines will have a major spot in the future of human development providing infrastructure and services.

Prof. Ian Akyildiz opens the summer school with a talk on the Internet of Nano Things


Highlights of the second day were the talks from Dr Sasitharan Balasubramanian (Research Fellow, Technical University of Tampere, Finland and a TSSG alumni) and Prof. Craig Forest (Assistant Prof., Georgia Institute of Technology, USA). Both concentrated on bacteria communication networks. Dr Baslasubramaniam showed the current state-of-the-art the multi-hop bacteria communications. He presented a novel routing protocol that uses a biological technique called bacteria conjugation. On the other hand, Prof. Forest presented a methodology to build microfluid devices for empirical analysis of bacteria molecular communications.

Dr Olga Kara (Research Fellow, Technical University of Tampere, Finland) presented, on the last day, an interesting research about communications systems using neuronal cells. The research aims to provide a communication infrastructure for nanomachines using the neuronal cells as a communication channel.

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