Sponsored White Papers, Webcasts, and Downloads
- Capacity Allocation in Optical Networks Under Dynamic Lightpath Demands
- Efficient planning of optical networks requires an allocation of network capacity subject to certain economic or capacity constraints so that a forecasted network lightpath demand matrix or other performance objectives can be satisfied. Much research on optical networks has concentrated on static design, which aims to either minimize the maximal...
- Tags: Optical Network, Matrix, Network, Network Capacity, Allocation, Optical Society Of America, Fiber Optics, Optical Networking, Networking, Telecommunications
- White papers 2008-01-22
- Lightpath-Level Protection Versus Connection-Level Protection for Carrier-Grade Ethernet in a Mixed-Line-Rate Telecom Network
- Ethernet is a success story in Local Area Networks LAN. Efforts for extending its boundaries beyond LAN to the carriers' backbone networks are in progress. The paper studies the problem of designing reliable and cost-efficient high-rate (100 Gbit/s) carrier-grade Ethernet in a multi-line-rate telecom network under signal transmission-range constraints. Reliability...
- Tags: Protection, Network, University Of California, Ethernet, Networking, LANs, Network Technology
- White papers 2007-11-30
- Optical IP Switching a Solution to Dynamic Lightpath Establishment in Disaggregated Network Architectures
- The landscape of the telecommunications environment is constantly evolving; in terms of architecture and increasing data-rate. Ensuring that routing decisions are taken at the lowest possible layer offers the possibility of greatest data throughput. The paper proposes using wavelengths in a DWDM scheme as dedicated channels that bypass the routing...
- Tags: IP Switching, Dublin City University, Network, IP, Network Architecture, Telephony, Networking, Routers & Switches, Telecommunications, Telecom & Utilities
- White papers 2007-01-17
- Lightpath Topology Configuration for Wavelength-Routed IP/MPLS Networks for Time-Dependent Traffic
- The integration of lightpath topology design and IP/MPLS traffic engineering provides greater flexibility for next generation networks. This paper considers the integrated design problem of configuration of lightpath topology and optimal routing of IP/MPLS tunnels on this lightpath topology for time-varying traffic. A mixed integer linear programming model is proposed...
- Tags: MPLS, Network, Topology, IP, UMKC, Network Technology, Networking
- White papers 2006-12-01
- Intelligent Optical Switching and Dynamic Lightpath Provisioning for Research Networks
- Optical switching is becoming a critical component of research and other networks that demand real-time provisioning of Gb/s and 10G bandwidth. Intelligent optical switching technology powers dynamic bandwidth provisioning, optimizes bandwidth utilization, and ensures network survivability. Intelligent optical switches provide a switching layer for aggregation and grooming of circuits at...
- Tags: Network, Provisioning, CIENA Communications, Ethernet, Networking
- White papers 2006-12-01
- Distributed Nonlinear Integer Optimization for Data-Optical Internetworking
- This paper presents a novel approach for joint optical network provisioning and Internet Protocol IP traffic engineering, in which the IP and optical networks collaboratively optimize a combined objective of network performance and lightpath provisioning cost. The authors develop a framework for distributed multilayer optimization. This framework is built upon...
- Tags: Optical Network, Optimization, Network, Formulation, Provisioning, Domain, IEEE, Fiber Optics, Optical Networking, Networking, Telecommunications
- White papers 2006-08-01
- User Controlled Lightpath Management System Based on a Service Oriented Architecture
- This paper describes a User Controlled Lightpath provisioning and configuration management system. The system allows users to obtain network resources from multiple domains and combine these resources forming Articulated Private Networks. This unique ability to acquire lightpaths, interfaces, and tunnels from a variety of suppliers, and offer value added services...
- Tags: Network, SOA, Configuration Management, Carleton University, Service-Oriented Architecture (SOA), Web Services, Middleware, Networking, Enterprise Software, Software
- White papers 2006-07-19
- A Flexible Advance Reservation Model for Multi-Domain WDM Optical Networks
- Advance reservation is a mechanism to guarantee the availability of resources when they are needed. In the context of LambdaGrid, this mechanism is used to provide data-intensive applications with the needed deterministic network Quality of Service to transport data between grid instruments, high-performance storage systems, compute clusters and visualization systems....
- Tags: University Of Illinois, High-performance, WDM, Leadership, Management
- White papers 2006-06-07
- Seamless Live Migration of Virtual Machines Over the MAN/WAN
- The "VM Turntable" demonstrator at iGRID 2005 pioneered the integration of Virtual Machines VMs with deterministic "Lightpath" network services across MAN/WAN. The results provide for a new stage of virtualization - one for which computation is no longer localized within a data center but rather can be migrated across geographical...
- Tags: Metropolitan Area Network, Nortel Networks Corp., Downtime, Migration, Virtual Machine, Desktop Virtualization, WANs, Networking
- White papers 2006-01-01
- Wavelength-Dependant Quality of Transmission in WDM Transparent Optical Networks
- Because no signal regeneration occurs at intermediate nodes of a lightpath, the physical impairments cumulate along the route and corrupts the quality of the transmitted signal. In this context, the paper developed a tool (described in a previous paper and called BER-Predictor) that evaluates the Quality of Transmission QoT and...
- Tags: Quality, Dispersion, WDM, Productivity, Digital Security, Optical Networking, Security, Networking
- White papers 2005-12-11
- Multilayer Traffic Engineering in IP-Over-Optical Networks
- Recent advances in optical networking technology have moved the state-of-the-art from manually installed fiber connections to fully automatic switched lightpaths. IP-over-Optical networks carry Internet traffic between IP routers, using lightpaths optical connections with multi Gbit/s bandwidth as transport method. Multilayer Traffic Engineering MTE in an IP-over-Optical network allows to leverage...
- Tags: Optical Networking, Router, IP, Network Technology, Networking, Routers & Switches
- White papers 2005-11-30
- Patent litigants target DVRs
- Patent litigants target DVRsFiled October 4, 2002This digital recording was filed in 2002 long after tuners in computers could record TV shows and digital cameras record video.Read through the prior patents and they patented the VCR long after it was invented:4,777,537 from 1986: "Described is a method and a recording...
- Tags: DVR, Digital video, patent system, patent, digital video recorder, TiVo Inc., video
- Discussion threads 2005-04-08
- Cooperative Data-Optical InterNetworking: Distributed Multi-Layer Optimization
- This paper presents a novel approach for joint optical network provisioning and IP traffic engineering, in which the IP and optical networks collaboratively optimize a combined objective of network performance and lightpath provisioning cost. A framework is developed for distributed multi-layer optimization. This framework is built upon the IP-over-Optical IPO...
- Tags: Lucent Technologies Inc., Solution, Optical Network, Optimization, Network, Formulation, Provisioning, Domain, Framework, Alcatel, Fiber Optics, Optical Networking, Networking, Telecommunications
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In this video we hear from Sudip Chahal, Principal Engineer with the Intel IT Enterprise Architecture Group, talking about a new white paper from IT@Intel, "Evaluating Two- and Four-Socket Server Virtualization Platforms."
