Speaker: Dr. Ioannis Psaras

Title: Overview, Challenges and Prospects of the Information-Centric Networking Paradigm
In this talk we are going to introduce the main concepts of Information-Centric Networks (ICNs), a new and exciting research area with a lot of potential to disrupt the main networking principles of today. We will go into details on the architectural challenges of deploying such an architecture over the current Internet and we will point to interesting directions for future research. We will finally present the In-Network Resource Pooling Principle (ACM HotNets 2014), a congestion control scheme for Information-Centric Networks which presents huge potential in dealing with the daunting problem of congestion in the Internet.

In particular, we will question the widely adopted view of in-network caches acting as temporary storage for the most popular content in Information-Centric Networks. Instead, we will propose that in-network storage is used as a place of temporary custody for incoming content in a store and forward manner. Given this functionality of in-network storage, senders push content into the network in an open-loop manner to take advantage of underutilised links. When content hits the bottleneck link it gets re-routed through alternative uncongested paths. If alternative paths do not exist, incoming content is temporarily stored in in-network caches, while the system enters a closed-loop, back-pressure mode of operation to avoid congestive collapse.

Ioannis Psaras is an EPSRC Fellow at the Electrical and Electronic Engineering Department of UCL. He is interested in resource management techniques for current and future networking architectures with particular focus on routing, replication, caching and congestion control. Before joining UCL in 2010, he held positions at the University of Surrey, and Democritus University of Thrace, Greece, where he also obtained his PhD in 2008. He has held research intern positions at DoCoMo Eurolabs and Ericsson Eurolabs. He is involved and running several EU and EPSRC projects and participates in the technical programme committees of tens of high-quality conferences. More details can be found at: http://www.ee.ucl.ac.uk/~uceeips/ and more discussion/interest is welcome at i.psaras *at* ucl.ac.uk.

Venue: Eng. 209

Time and Date: 2 to 3 PM, Wednesday, 29/04/15.


2015 Apr 29 – Dr. Ioannis Psaras