16 Resources for

sonet/sdh

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Disk Mirroring Over SONET/SDH: A Global 500 financial services firm had the challenge to utilize readily available SONET/SDH bandwidth for the extension of disk mirroring to meet escalating data storage and BC requirements. Global implemented CIENA's CN 2000 that was designed to leverage the existing SONET/SDH infrastructure to affordably and reliably provide full enterprise...; Tags: Disk, SONET/SDH, CIENA Communications, Fiber Optics, Optical Networking, Networking, Storage, Telecommunications, Hardware; Case studies
High-Speed Optical Network Transparency: Where do high speed optical transparency technologies fit into wired infrastructure equipment? This webcast covers the roots of this historic evolution of transparency; discusses current trends; and offers perspectives on future directions for: generic SONET/SDH -> OTN transport (SONET/SDH over OTN); SONET-over-SONET / G.modem transparency; (G.707: SONET/SDH over OTN over...; Tags: SONET/SDH, Fiber Optics, Optical Networking, Networking, Telecommunications; Webcasts
SONET/SDH Optimizes DWDM Deployment: A Global 500 financial services firm faced a number of critical data storage and network infrastructure issues. The firm was generating a tremendous amount of transaction and collaborative data, creating new levels of storage requirements and pushing the network to 95% of installed capacity. Network performance was consistently degrading and...; Tags: Network, DWDM, SONET/SDH, CIENA Communications, Optical Networking, Fiber Optics, Networking, Storage, Telecommunications, Hardware; Case studies
Next-Gen Sonet/SDH Chips: Much has happened in the development of next-generation Sonet/SDH systems in the past year. The big driver in this field is user demand for Ethernet-based services, which is growing rapidly around the world. In many cases, carriers will provide these services over existing Sonet/SDH infrastructure using multiservice provisioning platforms boasting...; Tags: Provisioning, SONET/SDH, Fiber Optics, Optical Networking, Networking, Telecommunications; Webcasts
Differential Delay Aware Routing for Ethernet Over SONET/SDH: The Virtual Concatenation protocol in SONET/SDH has ushered in a novel routing paradigm that enables a circuit to be "Split" and routed over multiple paths. However, this diverse routing causes differential delay among the paths which can impact service if not accounted for in the routing. This paper introduces the...; Tags: Aware, Lucent Technologies Inc., Formulation, SONET/SDH, Alcatel, Programming, Fiber Optics, Optical Networking, Ethernet, Networking, Development Tools, Telecommunications, Software Development, Software/Web Development; White papers

Deploying Data Services Over SONET/SDH: This webcast discusses how to cost-effectively provide data services over your existing SONET/SDH infrastructure, and the underlying technologies, topologies, and architectures available for you to consider. Advanced services such as Voice over IP, video, distance learning, disaster recovery, and business continuance require both bandwidth and a robust, reliable data transport...; Tags: Data Service, SONET/SDH, Fiber Optics, Optical Networking, Networking, Telecommunications; Webcasts
Cisco Network Solutions for the Telco DCN: SONET/SDH OSI Environments: This paper is directed to Competitive Local Exchange Carriers CLECs, incumbent Local ExChange Carriers ILECs, and Post, Telephone and Telegraphs PTTs, collectively referred to as telcos short for telephone companies. This paper describes Cisco network solutions for transporting data between Synchronous Optical Network SONET and Synchronous Digital Hierarchy SDH and...; Tags: Network Solutions Inc., Operations Support System, Network, Telecommunications Company, SONET/SDH, Cisco Systems Inc., Networking, Fiber Optics, Optical Networking, Telecom & Utilities, Telecommunications; White papers 2008-01-03
OC-192c/STM-64c and 10 Gigabit Ethernet WAN PHY: The introduction of 10 Gigabit Ethernet (10 GbE) WAN PHY into the IP/Ethernet networking community has led to confusion over the applicability between 10 GbE WAN PHY and OC-192c/STM-64 interfaces. Both of these interfaces support transmission at 9.6 Gbps, support SONET/SDH framing, and can be connected to SONET/SDH ADM or...; Tags: Force10 Networks Inc., 10-Gigabit Ethernet, SONET/SDH, Ethernet, WANs, Network Technology, Optical Networking, Networking, Fiber Optics, Telecommunications; White papers 2007-08-01
Advanced Intelligence in Cisco Multiservice Transport Product: The advent of Reconfigurable Optical Add/Drop Multiplexer ROADM technology and mesh optical networks challenges the operating model for transport service providers, with SONET/SDH moving to the edge and even being replaced by Layer 2 and Layer 3 traffic. Traditional point-to-point Wavelength-Division Multiplexing WDM becomes complex all-optical networking, eliminating the need...; Tags: SONET/SDH, Cisco Systems Inc., Optical Networking, Fiber Optics, Networking, Telecommunications; White papers 2007-01-01
Efficient Transport of Storage and Ethernet Across Hybrid DWDM and SONET/SDH Networks: Proliferation of storage traffic due to disaster recovery and business continuance requirements, combined with the high cost associated with downtime or loss of data, justifies the need for interconnecting geographically dispersed data centers. At the same time, mission-critical applications such as e-business and customer relationship management, and emerging applications such...; Tags: DWDM, SONET/SDH, Ethernet, Optical Networking, Storage, Networking, Fiber Optics, Hardware, Telecommunications; White papers 2006-01-01
Efficient and Flexible Transport of Next-Generation Data Services Over SONET/SDH Using GFP, VCAT and LCAS: New services such as Ethernet and storage area networks SANs could not efficiently be delivered over existing SONET/SDH networks despite the proven value of, and considerable investment in this infrastructure. However, the maturity of three new technologies - Generic Framing Procedure GFP, Virtual Concatenation VCAT, and Link Capacity Adjustment Scheme...; Tags: Network, SONET/SDH, Fiber Optics, Optical Networking, Networking, Telecommunications; White papers 2005-06-01
Options for Delivering IP and Ethernet Services Over SONET/SDH Networks: The service provider market is changing rapidly as more companies adopt advanced network applications such as voice over IP VoIP and videoconferencing. Service providers are under mounting pressure to support the high-bandwidth, multipoint Ethernet and IP characteristics that these emerging applications require, while continuing to deliver traditional voice and data....; Tags: IP, SONET/SDH, Cisco Systems Inc., Ethernet, Network Technology, Networking; White papers 2005-02-01
Detecting Configuration Errors in Operational SONET/SDH Networks: Large operational SONET/SDH networks have a significant amount of incorrectly configured equipment that affects network reliability and performance. These configuration errors cause latent errors and are hard to detect because they are dormant until another error triggers them. The traditional solution to detect configuration errors is to collect up-to-date inventory...; Tags: SONET/SDH, Configuration Error, Fiber Optics, Optical Networking, Networking, Telecommunications; White papers 2005-01-18
Packet-Over-SONET/SDH: Synchronous Optical Network/Synchronous Digital Hierarchy (SONET/SDH) and optical fiber have emerged as significant technologies for building large-scale, high speed, Internet Protocol IP-based networks. Even though SONET/SDH is frequently labeled as "Old World" because it is a time-division multiplexing TDM technology optimized for voice traffic, its capability to provide high-bandwidth capacity...; Tags: SONET/SDH, Cisco Systems Inc., Fiber Optics, Optical Networking, Networking, Internet, Telecommunications; White papers 2004-08-01
Testing Ethernet Over SONET/SDH: Data traffic levels continue to increase. As a result, there is a desire to optimize transport networks originally designed for voice to accommodate this traffic. The majority of metro and long-haul networks are based on SONET and SDH, as these protocols carry fixed-bandwidth circuit-switched voice very effectively. Ethernet over SONET/SDH...; Tags: Network, SONET/SDH, Ethernet Over SONET/SDH, Ethernet, Fiber Optics, Optical Networking, Networking, Network Technology, Telecommunications; White papers 2004-07-07
The Future of Sonet/SDH: Sonet/SDH is no longer spoken of as a "legacy technology" - something to be replaced by the "next big thing." There is a growing and urgent realization among carriers around the world that when it comes to next-generation telco infrastructure, Sonet/SDH is the next big thing - and that for...; Tags: SONET/SDH, Fiber Optics, Optical Networking, Networking, Telecommunications; White papers 2003-11-14

Additional Resources

SDH Pocket Guide: This pocket guide provides an introduction to synchronous digital hierarchy SDH technology. It includes information about the SDH market and the benefits of SDH over previous communications technologies. Most of the guide is devoted to describing SDH layers, components, and frame formats. Other topics include a comparison to SONET...; Tags: SDH, Fiber Optics, Optical Networking, Telecommunications, Networking; White papers
Accurate High-Speed SONET/SDH Jitter Measurement: Learn the principal sources of SONET/SDH jitter, the reasons previous testers gave such widely differing measurements, and the new ITU-T 0.172 process for accurately calibrating jitter signals.; Tags: Measurement, Fiber Optics, Optical Networking, Networking, Telecommunications; Webcasts
SAN Over SDH/SONET for Business Continuity and Disaster Recovery: Tremendous growth in enterprise storage needs has created demand for reliable and cost-effective backup and data protection solutions. The emergence of storage extension solutions is a natural evolution of the growing use of Storage Area Networks SANs within the enterprise. These solutions provide data connectivity between separate SAN islands within...; Tags: SONET, SAN, SDH, Business Continuity, Disaster Recovery, Storage, Storage Area Networks (SAN), Storage Management, Hardware; White papers 2005-12-01
SDH Telecommunications Standard Primer: What is SDH?: This document is intended as an introductory guide to the Synchronous Digital Hierarchy SDH multiplexing standard. Standards in the telecommunications field are always evolving. Information in this SDH primer is based on the latest information available from the ITU-T standardization organization. Use this primer as an introduction to the technology...; Tags: SDH, Fiber Optics, Optical Networking, Telecommunications, Networking; White papers 2001-08-03

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