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This paper considers the problem of logical topology selection in an IP-over-WDM network, with the objective to minimize the total power consumption used to support the traffic demands. While there are several power consuming devices in a backbone WDM network, it is assumed that major power consumption occurs at IP router ports, which are termination points of optical connections or lightpaths. The...
We evaluate the power savings achievable in the design of optical core networks considering design alternatives to solve LTD and RWA problems. Results show that an appropriate design can increase energy efficiency in WDM networks.
We consider the power-efficient design of an Internet Protocol (IP)-over-Wavelength Division Multiplexing (WDM) network, tackling the problem of deciding which equipment needs to be installed in both the optical and IP layer. Our model explicitly targets the minimization of cost considered as either Capital Expenditures (CapEx) or power. In contrast to the models already presented in the literature,...
Since its emergence the internet has been a significant part of today's modern living. Defined by its interconnections and routing policies, it has fuelled increased demands for provisioning of new more advanced services that are able to dynamically react to changes within the network. These services however, lead to enormous energy consumption in contrast to a global drive for a greener environment...
Nanoscale CMOS technologies are posing new network-on-chip (NoC) concepts to gigascale system-on-chip (SoCs). However, electronic network on chip designs face several problems like energy consumption, bandwidth and latency. Optical NoC (ONoC) promises to solve these problems. The advances in nanoscale photonic technology make ONoCs possible. This paper proposes a new non-blocking optical router, OXY,...
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