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In this invited tutorial paper, we review the changing nature of data center networks and the role played by optoelectronics in future network designs. Conventional network protocols will be reviewed, including Ethernet, Fibre Channel, and InfiniBand, and requirements for WAN connectivity between data centers. The transition to converged networks based on lossless Ethernet will be discussed, including...
We present a lab-trial of multi-domain path computation using a hierarchical PCE when domain topologies are aggregated as dynamic virtual meshes. We detail the extended path computation procedures, control plane extensions and the overall performance.
Dynamic self-organized computer architecture (DSAG) based on Grid-components departs computer components to grid components, and dynamically aggregates and organizes these components to realize architecture-on-demand. We take the important feature, that CPU centered design principle should possibly become memory centered design and optimization. We propose a novel computer architecture Gridded Memory...
This paper describes a new path computation model in Multi-protocol Label Switching (MPLS) and Generalized MPLS (GMPLS) networks. It introduces a path computation element (PCE), which is functionally separate from label switching routers (LSRs). The Path Computation Element (PCE) is an entity that is capable of computing a network path or route based on a network graph, and applying computational...
Multiprocessor architectures based on optical interconnects employing wavelength division multiplexing (WDM) are considered. WDM is a technique used to divide the tremendous bandwidth of a single strand of fiber into many non-interfering wavelengths. System components (processing, memory, and/or I/O elements) can use these wavelengths as communication channels. The authors present the background needed...
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