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How the mobile Internet accommodates a huge number of IoT devices is an important research challenge since their number grows to several billions. An important observation about IoT device communications is that IoT devices have different characteristics in mobility from traditional mobile devices such as cellular phones. Strict mobility management scheme and session mobility provided by handover...
Significant efforts have been devoted to creating large scale compute and network testbeds for studying future Internet challenges. Besides large geographic span, the common emphasis is programmability, allowing researchers to reserve or create, via software, flexible sets of compute and network resources over specified topologies to execute research prototypes of new protocols, processes, and applications...
The inability of the current Internet architecture to accommodate modern requirements has spurred novel designs for future Internet architectures. The Global Environment for Network Innovations (GENI) is a wide-area virtual network testbed which allows experimentation of such architectures for possible deployment. We have contributed to the efforts of redesigning the Internet with a Recursive InterNetwork...
Multimedia service composition provides a flexible way of building customized multimedia content production and delivery by composing distributed multimedia-oriented services dynamically to provide new functionalities. Previous researches have addressed various aspects of multimedia service composition such as composability, QoS-awareness, and load balancing. Most of them however have assumed that...
Several projects worldwide offer experimental facilities to enable large scale research experiments. PlanetLab as one of the first initiatives in this field, currently consists of 1021 network nodes forming a global research network. On the other hand, Panlab offers a wide range of heterogeneous resources ranging from hardware devices to dedicated software. The broad field of Future Internet research...
Router mechanisms designed to achieve fair bandwidth allocations, like fair queuing, have many desirable properties for congestion control in the Internet. However, such mechanisms usually need to maintain state, manage buffers, and/or perform packet scheduling on a per flow basis, and this complexity may prevent them from being cost effectively implemented and widely deployed. In this paper, architecture...
The objective of this invited talk is to present selected visions of ubiquitous computing and ambient communication based on the notion of the disappearing computer and to reflect on the resulting challenges for designing experiences in future smart environments. Our approach places the human at the centre of our design considerations and is based on exploiting the affordances of real objects by augmenting...
We developed a quality of service (QoS) management system to support service level management (SLM) for global enterprise services. The QoS management system is integrated with one of our enterprise services in a preproduction system, an identical system as the production system but in a test environment. Lab experiments showed that our integrated solution helps global enterprise services to better...
Internet Relay Chat (IRC) is a critical application in military networks for maintaining situational awareness and conducting battle management at all echelons. But these networks are often subject to frequent disconnections, limited bandwidth, and long delays, especially when using satellite services and field radios. Such conditions are inhospitable to TCP, and thus the standard IRC protocol, which...
A study on Internet traffic characterization is essential in designing the next generation Internet. In this paper we characterize the aggregated Internet traffic based on the traffic logs captured from a high speed Internet access network environment. First, we constructed an Internet traffic measurement and analysis system in high-speed Internet access network environment. Then, we analyzed the...
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