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wavelength assignment

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Wavelength Assignment to Minimize the Number of SONET ADMs in WDM Rings: Optical Wavelength Division Multiplexing WDM rings are being deployed to support SONET/SDH self-healing rings. The cost of such a system is dominated by the SONET Add/Drop Multiplexers ADMs. To minimize the system cost, algorithms must be developed to assign wavelengths to lightpaths in the system so that the number of...; Tags: SONET, Florida State University, WDM, Wavelength Assignment, Fiber Optics, Optical Networking, Networking, Telecommunications; White papers

Additional Resources

Minimizing Maximum Fiber Requirement in Optical Networks: This paper studies wavelength assignment in an optical network where each fiber has a fixed capacity of ì wavelengths. Given demand routes, the aim is to minimize the maximum ratio between the number of fibers deployed on a link e and the number of fibers required on the same link...; Tags: Optical Network, Fiber, Network Technology, Fiber Optics, Networking, Telecommunications; White papers 2005-07-15
Complexity of Wavelength Assignment in Optical Network Optimization: This paper studies the complexity of a spectrum of design problems for optical networks in order to carry a set of demands. Under Wavelength Division Multiplexing WDM technology, demands sharing a common fiber are transported on distinct wavelengths. Multiple fibers may be deployed on a physical link. The basic goal...; Tags: Lucent Technologies Inc., Optical Network, Optimization, Goal, Alcatel, Fiber, Fiber Optics, Optical Networking, Network Technology, Networking, Telecommunications; White papers
Time-Domain Wavelength Interleaved Networking With Wavelength Reuse: Time-domain Wavelength Interleaved Networking TWIN is a cost-effective network architecture that can provide fine-grained, flexible connectivity using passive optics in internal nodes. Each wavelength is dedicated to carry traffic to a single node. This paper introduces TWIN with Wavelength Reuse (TWIN-WR), an extension of TWIN that allows the number of...; Tags: Network, Wavelength, Time-domain Wavelength Interleaved Networking, Engineering, Networking; White papers 2006-01-09
On Multicasting in Wavelength-Routing Mesh Networks: This paper considers multicasting on wavelength-routing mesh optical networks. Although multicasting has been studied extensively in different network environments, multicasting in this environment is different, and more involved. The paper discusses the challenges of multicast support in optical wavelength routing networks, and reports on the advances made so far in...; Tags: Iowa State University, Multicasting; White papers 2008-01-01

Optical Networking and Dense Wavelength Division Multiplexing (DWDM): This paper deals with the twin concepts of optical networking and dense wavelength division multiplexing. The paper talks about the various optical network architectures and the various components of an all-optical network like Optical Amplifiers, Optical Add/Drop Multiplexors, Optical Splitters etc. Important optical networking concepts like wavelength routing and wavelength...; Tags: DWDM, Optical Networking, Fiber Optics, Networking, Telecommunications; White papers 1999-11-24
Service Level Agreement in Optical Networks: This paper proposes a Service Level Agreement applied to the Optical domain (O-SLA), which is expected to be the near and long term network technology thanks, among other things, to the great bandwidth capacity offered by optical devices. After an exposition of the rationale behind an optical SLA, parameters which...; Tags: SLA, Optical Network, Service Level Management, Networking, It Operations, It service Management; White papers 2004-11-15
Dynamic Multiservice Delivery With Reconfigurable DWDM Networks: Traditional dense wavelength-division multiplexing DWDM networks, whether hub and-spoke or mesh architectures, have significant challenges meeting the dynamic wavelength demands for user services. Service providers and enterprises rely on flexible aggregation devices that can build efficient, dynamic Layer 2 and Layer 3 architectures to manage the difficulty of provisioning unplanned...; Tags: DWDM, Optical Networking, Ethernet, Networking; White papers 2005-06-01
Wavelength-Division-Multiplexed Passive Optical Network (WDM-PON) Technologies for Broadband Access: A Review [Invited]: The Passive Optical Network PON is an optical fiber based network architecture, which can provide much higher bandwidth in the access network compared to traditional copper-based networks. Incorporating Wavelength-Division Multiplexing WDM in a PON allows one to support much higher bandwidth compared to the standard PON, which operates in the...; Tags: Bandwidth, Optical Network, Microsoft Access, Network, Broadband, Network Architecture, Optical Society Of America, Passive Optical Network, Networking, Optical Networking, Network Administration, Fiber Optics, Telecommunications; White papers 2005-11-01
Assignment Organizer (exe): Assignment Organizer makes it easy to centrally manage your long list of assignments, storing details such as the assignment name, deadline, details and once you've started on it, launch the assignment document straight from within Assignment Organizer. Assignment Alert will make sure you never miss a deadline by alerting you...; Tags: Assignment, Font, Microsoft Windows, Operating Systems, Software; Software downloads 2004-12-08
Design Tools for Transparent Optical Networks: Optical technology promises to revolutionize data networking by providing enormous bandwidth for data transport at minimal cost. A key to cost reduction is to increase transparency, that is, to keep a data stream encoded as an optical signal for as long as possible. Wavelength switching increases transparency by allowing different...; Tags: Optical Network, Wavelength, Tool, Fiber Optics, Optical Networking, Productivity, Networking, Telecommunications; White papers 2006-08-04
A Comparison of Next-Generation 40-Gbps Technologies: There are many proposed optical transmission systems which offer 40-Gbps/ wavelength capacity. The unbridled adoption of these solutions may well depend on the degree to which they overlay on existing dense WDM 10-Gbps links. This paper provides a description of new 40-Gbps technologies being proposed and reveals their true compatibility...; Tags: Nortel Networks Corp., Optical Networking, Networking; White papers 2007-07-06
AudioCalc (zip): AudioCalc is a simple utility which calculates audio file sizes. Given any bit depth, sample rate, number of tracks, and number of channels (mono/stereo). AudioCalc can tell you either how much space a file or set of files of a given length and format will take up or. How long...; Tags: Audio, AudioCalc; Software downloads 2008-04-15
Adaptive Control in Optical Burst-Switching Networks With QoS Support: An adaptive control scheme is proposed for the transmission of packets burst in an all-optical Burst Switching network. Two levels of control have been considered: one at the triggering level for a wavelength request, and the other at the burst length level. It is believed that the proposed scheme improves...; Tags: QoS, Scheme, Fiber Optics, Networking, Telecommunications; White papers 2007-04-16
Dynamic Channel Rate Assignment for Multi-Radio WLANs: The dynamic transmission rate selection feature of IEEE 802.11b WLANs can cause throughput degradation when stations with different transmission rates share the same physical channel. One solution to this problem is to use a Multi-Rate Multi-Channel MRMC MAC protocol. However, static channel rate assignment in MRMC can lead to load...; Tags: Channel, Assignment, Tcp/Ip, Advertising & Promotion, Wireless LANs, Networking, Marketing, Wireless; White papers
A Topology Control Approach for Utilizing Multiple Channels in Multi-Radio Wireless Mesh Networks: This paper considers the channel assignment problem in a multi-radio wireless mesh network that involves assigning channels to radio interfaces for achieving efficient channel utilization. The paper proposes the notion of a traffic-independent base channel assignment to ease coordination and enable dynamic, efficient and flexible channel assignment. It presents a...; Tags: Topology, Channel Assignment, Mesh Networking, Engineering, Networking; White papers 2005-08-28
Dense Wavelength Division Multiplexing (DWDM): Dense wavelength division multiplexing DWDM is a fiber-optic transmission technique that employs light wavelengths to transmit data parallel-by-bit or serial-by-character. This tutorial addresses the importance of scalable DWDM systems in enabling service providers to accommodate consumer demand for ever-increasing amounts of bandwidth. DWDM is discussed as a crucial component...; Tags: DWDM, Optical Networking, Networking; White papers
Light Trails: A Sub-Wavelength Solution for Optical Networking: All-optical networks are able to transport data from source to destination entirely in the optical domain. This is a departure from current optical networks that rely on Optical-Electrical-Optical OEO conversion at each intermediate connection node to route data properly. The opacity inherent in traditional networks is costly in terms of...; Tags: Iowa State University, MPLS, Network, Node, Networking, Fiber Optics, Network Technology, Optical Networking, Telecommunications; White papers 2008-01-01
Operating System Scheduling on Heterogeneous Core Systems: This paper makes a case that a thread scheduler for heterogeneous multicore systems should target three objectives: optimal performance, core assignment balance and response time fairness. Performance optimization via optimal thread-to-core assignment has been explored in the past; this paper demonstrates the need for balanced core assignment. The paper shows...; Tags: Operating System, Assignment, Multi-core, Performance Management, Linux, Human Resources, Workforce Management, Operating Systems, Software; White papers 2007-07-23
A Distributed, Utility-Based Architecture for Task Assignment in Tactical WSNs: This paper develops architecture for task assignment in wireless sensor networks in support of tactical operations. The approach is based on a mathematical framework, which, based on multi-attribute utility theory, allows mobile end-users to easily express the value utility that they would attach to sensor information based on features associated...; Tags: University Of Virginia, Utility, Advertising & Promotion, Wi-Fi, Wireless, Marketing; White papers 2007-06-26

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