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In this paper, we propose to apply a novel paradigm called labeled optical burst switching with home circuit (LOBS-HC) for intradatacenter networking to provide a high bisection bandwidth and significantly reduce the cost and energy consumption associated with electronic packet switching. The unique features of LOBS-HC that make it more suitable than either optical circuit switching (OCS) or optical...
Electrical switching, when used to interconnect tens to hundreds of pods (each having a thousand of servers) in the core of a data center, incurs a high cost and power consumption and is expected to be replaced with optical switching soon. In this paper, we consider hypercube-based interconnection using optical switches in the core and study novel routing and wavelength assignment schemes for a new...
In this paper, we propose and evaluate a novel approach to switching traffic between the pods (or containers) of servers all optically. We show that the proposed approach, called Labeled Optical Burst Switching with Home Circuit (or LOBS-HC) requires a fewer wavelengths (and transceivers) than existing approaches based on wavelength routing or optical circuit switching (OCS). In addition, it is also...
Improving throughput and delay is an important challenge in multi-hop wireless sensor networks. In this work, we propose ABC-MC, a simple multi-channel geographic forwarding scheme. ABC-MC is based on ABC which is a lightweight and reliable routing protocol where nodes do not need to set up or maintain routing/neighbor tables. A unique feature of ABC-MC is that it uses a channel prenegotiation mechanism...
We consider a class of single hop wireless sensor networks in which the sensor nodes collect data periodically and transmit it to a sink. To reduce the complexity, cost and energy consumption of the nodes we propose the use of an asymmetric transceiver model in which the sensor nodes can transmit to the sink using standard physical layer modulation schemes that support relatively high data rates but...
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