![]() | Reproduced with permission from Computer Desktop Encyclopedia. Copyright (c) 1981-2008 The Computer Language Company Inc. All rights reserved. |
Additional Resources
- 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...
- Case studies 2008-07-28
- Light-Trail Testbed for Metro Optical Networks
- Telecommunication networks have rapidly added staggering amounts of capacity to their long haul networks at low costs per bit using DWDM technologies. Concurrently, there has been a wave of new access technologies that are driving customers to demand high-speed, robust and customized data services. These dynamics have led to what...
- White papers 2008-01-01
- OMSTPB - Cisco ONS 15454 Multiservice Transport Platform (MSTP) Basic Training v8.0
- View Available Dates and LocationsIn this intense course, you'll get the skills necessary to deploy a Multiservice Transport Platform MSTP network, including fiber-cleaning techniques, fiber test requirements, and node turn-up. Learn to deploy different dense wavelength-division multiplexing DWDM topologies using Cisco Transport Planner CTP to provision...
- Training 2008-01-01
- OMSTPD - Cisco ONS 15454 Multiservice Transport Platform (MSTP) Implementing Data Over DWDM v8.0
- View Available Dates and LocationsIn this lab-intensive course, get an introduction to the data features and functions of Cisco ONS 15454 Multiservice Transport Platform MSTP dense wavelength-division multiplexing DWDM Release 8. You will learn the important theoretical concepts that underlie data encapsulation and how the concepts are...
- Training 2008-01-01
- OCTPO - Cisco ONS SONET 15454 Turn Up, Test, Provisioning, Basic ML, and Operation Training v7.0
- View Available Dates and LocationsThe Cisco ONS 15454 is a fast and powerful yet easy-to-use optical platform that lowers the cost and increases the efficiency of bandwidth delivery within optical transport networks. In this instructor-led course, you'll get hands-on training on a 6-node ONS 15454 system. Working...
- Training 2008-01-01
- Fight for a wireless Internet being lost
- "The Network" is not the Internet. The Internet is a network-of-networks with open standards and fierce competition, assuring the lowest possible prices, the best possible service terms, and a market guarantee that if your ISP doesn't let you do what you want you can leave. ...
- Blog posts 2007-11-30
- EtherBurst Optical Switch
- Service provider and enterprise network engineers share a common challenge. Explosive growth in bandwidth demand is driving the need to scale Ethernet metro packet optical transport networks up to 640 gigabits per second Gbps, yet Ethernet is limited to 10 Gbps. When scaling packet networks beyond 10 Gbps, there are...
- White papers 2007-09-01
- 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...
- White papers 2007-08-01
- Level 3 to provide connectivity for Library of Congress' multimedia digital network
- The Library of Congress is the official repository of the knowledge and civic affairs of the United States.When you are dealing with all of this information form LOC out to the rest of the U.S., even non-digitized- there's a true implication that data traffic will be massive, and non-stop. After...
- Blog posts 2007-06-11
- Converge IP and DWDM Layers in the Core Network
- The Cisco IP over DWDM IPoDWDM solution for IP Next-Generation Networks NGNs enables the convergence of service providers' IP and DWDM core networks, increasing service flexibility and reliability while lowering Operating Expenses OpEx and Capital Expenditures CapEx. The Cisco IPoDWDM solution efficiently manages traffic growth through the Cisco CRS-1 Carrier...
- White papers 2007-06-01
- Leading Research Centre Launches Italy's First Ultra-Broadband Network for Grid Computing
- The Consiglio Nazionale delle Ricerche CNR company wanted to connect two research centres 80 km apart at ultra-broadband speeds to enable grid computing. Company deployed a highly resilient 10 Gbps LAN network based on the Nortel Ethernet Routing Switch 8600. The Nortel Optical Metro 5200 provides DWDM (Dense Wavelength Division...
- Case studies 2007-02-08
- 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...
- White papers 2007-01-17
- Cost Comparison Between IP-Over-DWDM and Other Core Transport Architectures
- 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 combining DWDM router interfaces with an optically switched DWDM layer. This streamlined core architecture...
- White papers 2007-01-01
- Top Ten Threats for 2007
- Top Ten Threats for 2007RE:Top Ten Threats for 2007I would include...Privacy, Proxy caching, Ajax valnarabilities, Securing RSS feedsTop threat for 2K7... (dramatic pause...)[b]AT&T[/b]The recent FCC approval allowing AT&T to assimilate BellSouth brings the reality of Mutha Bell being handed control of the Internet one step closer, with the government being...
- Discussion threads 2006-12-27
- Cuban: High-def may kill the Internet video star
- Cuban: High-def may kill the Internet video starI think he is way ahead of himselfPeople have been happily watching really really crappy quality videos myself included on the web for a long time now. The 200X150 at 12 fps to conserve bandwidth, etc. Watch any YouTube video, the...
- Discussion threads 2006-12-08
- Five Reasons to Adopt Layer 2 Ethernet Switching Over DWDM Networks Now
- A new network is emerging for delivering media-rich and bandwidth-hungry content, applications and services. Traditional SONET Synchronous Optical NETwork/SDH Synchronous Digital Hierarchy architectures, developed for the narrowband world of a generation ago, are overloaded. Such practices as stacking SONET/SDH rings to increase capacity are complex and costly, while Ethernet-over-SONET/SDH protocol...
- White papers 2006-11-08
- Burst Routing Planning for Optical Networks Using the Association Rule Approach
- The Optical Burst Switching OBS is a technology positioned between Optical Circuit Switching OCS and Optical Packet Switching OPS. It is a promising buffer-less DWDM switching technology that provides high wavelength utilization. One of the critical design issues in OBS network is effective planning in minimizing burst dropping resulted from...
- White papers 2006-10-01
- Designing IP NGNs With Cisco ONS 15454 MSTP and MetroPlanner
- The Cisco ONS 15454 MultiService Transport Platform MSTP is the industry benchmark for Dense Wave Length Division Multiplexing DWDM solutions, offering a comprehensive approach for designing, provisioning, and maintaining an optical network with the help of the Cisco MetroPlanner network design tool and the complete flexibility of Reconfigurable Optical Add/Drop...
- White papers 2006-05-01
- We can replace the phone company
- Cisco, Juniper, AT&T and Verizon are all about to face what Oracle and Microsoft have faced for years, open source competition. Om Malik left reports that chip technology has finally reached the point where open source replacements for basic telecomm functions exist. Projects like Asterisk (which we've written about...
- Blog posts 2006-02-24
- Broadband fiber ain't what it used to be
- There's a mythology out there, spread by the uninformed, that since 90 percent of broadband fiber is sitting in the ground and we getting exponentially better at sending massive amounts of bits through the air, that fiber's time has come and gone. Not so. As the demand for rich...
- Blog posts 2006-02-23
Premier Vendor Content Whitepapers, webcasts & resources from our Power Center Sponsors
- ZDNet News Videos
-
Tech news covering the latest in products, conferences and blog commentary, from ZDNet video.
- Watch the latest video >>
- Access the latest Intel and industry best practices
-
Designed specifically to address the concerns of senior IT managers at organizations with more than 100 employees, the Intel Premier IT Professional Program provides best practices via local and e-Seminars and a members-only Web site.
- View the Intel Premier IT Professional web-site tour >>
Ultraportables
- Understanding Ultraportable Laptops (BNET)
- Five steps to protect mobile devices anywhere, anytime (TechRepublic)
- View all ZDNet Toshiba laptop reviews
- From our sponsors
- Toshiba Satellite® U400 Series
-
- The ultra-portable, ultra-stylish Satellite® U405 is a smart choice for you and your small business. Only from the laptop expert, Toshiba. Explore the complete laptop lineup »



