university of surrey

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Bandwidth Constrained IP Multicast Traffic Engineering Without MPLS Overlay

Existing multicast Traffic Engineering TE solutions tend to use explicit routing through MPLS tunnels. This paper shifts away from this overlay approach and address the bandwidth constrained IP multicast TE directly based on link state IGP routing protocols. The objective is that, through plain PIM-SM shortest path routing with optimized...

Tags: Bandwidth, MPLS, IP Multicast, IP, University Of Surrey, Networking, Network Technology

White papers 2008-01-01

MPLS QoS-Aware Traffic Engineering for Network Resilience

This paper extends the Shortest-Distance SD routing algorithm to build resilient MPLS networks. The objective is to select paths with high connection availability, while at the same time optimising network resource consumption. The objective is achieved by using the link availability parameter in different ways in the cost function to...

Tags: Algorithm, MPLS, Network, SD Card, University Of Surrey, Engineering, Networking

White papers 2008-01-01

Real Time Data Transmission Over GSM Voice Channel for Secure Voice & Data Applications

This paper describes a real time prototype implementation of a system, which enables secure voice and data communication over the GSM voice channel. The security of GSM is not guaranteed especially over the core network. The proposed system modulates digital data, which may be encrypted onto speech-like waveforms. The modulated...

Tags: Voice, Waveform, GSM, University Of Surrey, Voice Channel, Cellular Phones, Consumer Electronics, Personal Technology

White papers 2004-08-31

Additional Resources

Swarms of small satellites coming soon

Swarms of small satellites coming soonAn instance where smaller is better. Seems a good military application tooThe smaller the target the harder it is to hit and they could i assume this be redundant, so if one were to go offline, you have 100 more floating around.Not to...

Tags: Network technology, small Satellite, satellite

Discussion threads 2008-11-14

Data trips between light and sound

As you probably are aware, future communications networks will certainly be based on optics. A research team led by Duke University physicists has done an important discovery which might lead to these future super-fast optical communications networks. The team has found a way to store information coming from a beam...

Tags: Team, Fibre, Data, Duke University, Network Technology, Fiber Optics, Storage, Networking, Telecommunications, Hardware, Roland Piquepaille

Blog posts 2007-12-15

Converting proteins into crystals

As you might know, proteins need to be transformed into 3-D crystals before their atomic structures and their properties can be analyzed. And production of high quality crystals from proteins has been a difficult task until now. But scientists in the U.K. have successfully used a porous medium, or 'nucleant,'...

Tags: protein

Blog posts 2006-01-17