Topic
Network planning and design
About: Network planning and design is a research topic. Over the lifetime, 12393 publications have been published within this topic receiving 229776 citations. The topic is also known as: network design.
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TL;DR: A formal description of the network design problem with continuous decision variables representing link capacities can be cast into a framework of multilevel programming and various suboptimal procedures to solve it are developed.
Abstract: Recently much attention has been focused on multilevel programming, a branch of mathematical programming that can be viewed either as a generalization of min-max problems or as a particular class of Stackelberg games with continuous variables The network design problem with continuous decision variables representing link capacities can be cast into such a framework We first give a formal description of the problem and then develop various suboptimal procedures to solve it Worst-case behaviour results concerning the heuristics, as well as numerical results on a small network, are presented
216 citations
Patent•
05 Jun 1997
TL;DR: In this article, a path establishment device and a method for establishing a path for a telecommunications call is presented, which provides, among other advantages, for the use of a potentially less expensive packet-switched telecommunications network as a long distance carrier between two public switched telecommunications networks.
Abstract: This application provides a path establishment device and method for establishing a path for a telecommunications call. In a preferred embodiment, the path establishment device for this invention includes an originating call processor (130) in communication with an originating telecommunications network (120), a terminating call processor (150) in communication with the packet-based telecommunications network (140) and a public telecommunications network (160), and means for establishing a communication path from the originating telecommunications network (120) through the packet-based telecommunications network (140) to a destination served by the public telecommunications network (160). The path establishment device and method of the present invention thus provides, among other advantages, for the use of a potentially less expensive packet-switched telecommunications network as a long distance carrier between two public switched telecommunications networks.
216 citations
Patent•
08 May 1998TL;DR: In this article, a network capacity evaluation and planning is performed based upon the traffic across the links of the network, and the resulting measures of network capacity and balance are compared to determine whether the simulated changes represent a preferred network configuration, and then, simulated changes to the network configuration may be made by substituting simulated traffic volume amounts and capabilities for selected link traffic measurements and capabilities.
Abstract: Network capacity evaluation and planning is performed based upon the traffic across the links of the network Once a link's traffic volume has been measured, it is compared with the link's traffic capability, and the resulting parameters compared with the traffic and capability of other links of the network to create measures of network capacity and balance Then, simulated changes to the network configuration may be made by substituting simulated traffic volume amounts and capabilities for selected link traffic measurements and capabilities, and the resulting measures of network capacity and balance may then be compared to determine whether the simulated changes represent a preferred network configuration
214 citations
TL;DR: In this paper, a combined gas and electricity network expansion planning model was developed, where gas-fired generation plants were considered as linkages between the two networks, and the model simultaneously minimised gas and electric operational and network expansion costs.
213 citations
TL;DR: A summary is presented of research conducted over the last few years concerning the LAMBDANET multiwavelength optical network, which features full connectivity among the nodes, large nonblocking throughput, data format transparency, and flexible control.
Abstract: A summary is presented of research conducted over the last few years concerning the LAMBDANET multiwavelength optical network. Descriptions are given of some variations, including several applications based on these architectures. Experimental results demonstrate the technological feasibility of this approach. The LAMBDANET design incorporates three basic ingredients: (1) it associates a unique optical wavelength with each transmitting node in a cluster of nodes; (2) the physical topology is that of a broadcast star; and (3) each receiving node identifies transmitting nodes based on the transmission wavelength through wavelength demultiplexing. This network design features full connectivity among the nodes, large nonblocking throughput, data format transparency, and flexible control. The LAMBDANET network is used for both point-to-point and point-to-multipoint applications. >
212 citations