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Optical Networking and Dense Wavelength Division Multiplexing (DWDM)
White Papers Finally this paper deals with industry related issues like the gap between research and the industry, current and projected market for optical networking & DWDM equipment and future direction of research in this field.
[September 2, 2008, 7:35]
The Best of Long-Haul Terrestrial and Submarine DWDM
White Papers Alcatel is renowned for its experience in the deployment of long-haul terrestrial and submarine DWDM networks. Whether upgrading legacy systems or rolling out new networks, operators need to find the most appropriate solutions in order to keep...
[October 11, 2005, 3:00]
Fundamentals of DWDM Technology
White Papers The early DWDM designs were built to fulfill the needs of the long-distance carrier. While that demand still exists, the need for DWDM on the local front is growing. If DWDM is the first step to optical networking, the Carriers have strong...
[December 7, 2003, 23:31]
Line System Design for DWDM Networks
White Papers State-of-the-art Dense Wavelength Division Multiplexing (DWDM) allows data transport with very high capacity, measured in terabits per second, and very long reach, thousands of kilometers. One current DWDM technology arranges network elements into...
[March 2, 2009, 2:36]
Cost Comparison Between IP-Over-DWDM and Other Core Transport Architectures
White Papers Cisco recommends an alternative architecture called IP over DWDM, which eliminates the need for Optical to Electrical to Optical (OEO) conversion equipment between the router and the optical layer (including both transponders and SONET gear) by...
[May 15, 2008, 7:57]
Cisco ONS 15454 Multiservice Transport Platform
White Papers Continuing with its tradition of innovation and leadership in metro optical networking, Cisco has introduced the Cisco ONS 15454 Multiservice Transport Platform (MSTP), which is transforming metro and regional DWDM networks.
[May 8, 2009, 4:24]
Cisco extends optical range
News With long-haul optical networking in a parlous state, Cisco is launching products for the parts of the market where it sees the strongest future: a multi-service SDH platform and a Metro DWDM switch for enterprises and local service providers.
[June 25, 2002, 13:28]
Cisco moves to compete in metro networks
News Called the Cisco ONS 15540 Extended Services Platform, the product supports a technology called dense wavelength division multiplexing (DWDM), which increases the amount of information that can be sent through fibre-optic networks.
[May 3, 2001, 9:38]
ROADM Enabled Optimization in WDM Rings
White Papers Dense Wavelength Division Multiplexing (DWDM) has established itself as the cheapest and most reliable mechanism for transporting information bits in long haul as well as in regional metro networks. For reasons of resiliency and simplicity, DWDM...
[April 1, 2009, 4:31]
OC-192c/STM-64c and 10 Gigabit Ethernet WAN PHY
White Papers Both of these interfaces support transmission at 9.6 Gbps, support SONET/SDH framing, and can be connected to SONET/SDH ADM or DWDM gear. The introduction of 10 Gigabit Ethernet (10 GbE) WAN PHY into the IP/Ethernet networking community has led to...
[February 8, 2008, 0:16]
Next Generation OTN Transport Solution
White Papers The Optical Transport Hierarchy, OTH, is a new transport technology developed by the ITU for utilizing the experience and benefits of SONET/SDH and DWDM technologies. A new transport technology is required to provide a converged transport solution...
[May 29, 2009, 6:41]
3494 P2P Disaster Recovery Procedures for Tape
White Papers The separate distributed libraries are connected by Cisco DWDM's. An IBM Peer-to-Peer Virtual Tape Server (VTS) library has been installed on the z/OS production systems at a large Canadian bank. The Peer-to-Peer VTS library consists of one...
[April 30, 2008, 1:02]
Philadelphia Stock Exchange Trades Up to High-Performance Networking Infrastructure From Juniper Networks
White Papers The new network design utilizes Juniper Networks M320s connected in a full mesh topology with multiple parallel Gigabit Ethernet links residing over a DWDM network configured as a logically meshed MPLS backbone.
[September 11, 2008, 1:01]
Next-Generation Optical Transmission Fibers
White Papers The new Medium Dispersion Fiber (MDF) has dispersion of around 7~8 ps/nm/km at 1550nm, and a relatively low dispersion slope in the S-C-L band, which will satisfy MCI next-generation transmission fiber technical specifications and requirements at...
[March 16, 2009, 4:09]
Higher bandwidth - through the air
News Based on DWDM (Dense Wave Division Multiplexing) technology, the system will transmit up to 10GB per second -- that's 15 CD ROMs worth through the air in less than a second. Dubbed WaveStar OpticAir, the system uses lasers, amplifiers and receivers...
[July 16, 1999, 15:24]
EU commissioners clash over mobile roaming
Talkback All the profit is in the arbirarily high wholesale chages,, 45¢ per minute for a national mobile connectin by the originator and then a DWDM at cents to the dstination countries carrier switch you guess the real carrier cost.
[July 6, 2006, 12:31]
T-Mobile vows to stop 'screwing' data-roaming customers
Talkback There is no justification for charging €0.45 per minute or whatever for what is actually one originating national mobile call and a terrestrial DWDM fibre link to the detsination country. But no doubt they intend to keep on screwing roaming voice...
[July 5, 2006, 15:15]
Nortel Case Study: Baptist Health
White Papers Today, Nortel's high performance Dense Wavelength Division Multiplexing (DWDM) Optical Metro 5200 Multiservice Platform, EMC Symmetrix systems and EMC TimeFinder, and Symmetrix Remote Data Facility (SRDF) software provide business continuity by...
[December 6, 2008, 0:23]
News Burst: Lucent to build BT backbone
News Under the terms of the letter of award, Lucent would provide BT with its WaveStar optical networking solutions, including Lucent's DWDM (Dense Wave Division Multiplexing) systems. Lucent Technologies Thursday announced that it has received a letter...
[November 12, 1999, 13:30]
Hitachi shows its Telecom 99 hand
News DWDM gear is designed to increase the data-carrying capacity of fibre-optic networks by dividing a single fibre strand into multiple channels, or wavelengths, each capable of moving data at speeds of several gigabits per second.
[September 9, 1999, 14:51]
