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ZDNet Dictionary Definition
- Optical Networking
- Communications between computers, telephones and other electronic devices using light. An optical network is far more reliable and has far greater potential transmission capacity than networking in the electrical...
- Full Optical Networking Definition >>
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- Optical fibers with a silicon core?
- According to the Optical Society of America, U.S. researchers have been able to create a practical optical fiber with a silicon core. As they were able to use the same commercial methods that are used to develop all-glass fibers, this might pave the way for future silicon fibers as viable...
- Blog posts 2008-10-29
- Fiber to the node vs. fiber to the home
- Pieter Poll, CTO of Qwest, discusses the difference between fiber to the node and fiber to the home service. He says Qwest strives to reduce homeowners' construction costs, while still bringing their customers the fastest Internet possible. by Andrew Mager
- Blog posts 2008-10-21
- Qwest CTO on FTTP, bandwidth caps and integrated services
- Qwest plans to roll out integrated home services where it ties its services in with those from its partners such as MSN and DirecTV in a move enabled by a thin layer of software, according to Qwest CTO Pieter Poll. Poll right talked about Qwest's broadband strategy...
- Blog posts 2008-08-25
- CBS video: 3D in the operating room
- To a surgeon, precision is everything. As CBS News medical correspondent Jon LaPook explains, new fiber optic technology is providing a three-dimensional, lifelike image to aid in operations that include brain surgery.
- Videos 2008-08-13
- 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
- NASA tests fiber optic wing shape sensors
- The Ikhana unmanned aircraft system has been used by NASA last year to fight wildfires from the sky and this month to provide images of current Californian wildfires to authorities. But Ikhana is also used to evaluate advanced sensing technology installed on its wings to improve its efficiency. The new...
- Blog posts 2008-07-15
- Realtek High Definition Audio Codec (Windows 2000/XP/2003/XP Professional x64 Edition) (exe)
- Realtek HD audio driver package. The package includes: Driver setup program, WDM driver, Realtek Soundman, Realtek Sound Effect Manager. Version R1.95 may include unspecified updates, enhancements, or bug fixes.
- Software downloads 2008-06-09
- GPON: The Gateway PON
- Fiber To The Home FTTH deployments continue to enjoy accelerated growth worldwide, with major deployments underway in Japan (Nippon Telegraph and Telephone Corporation [NTT]), Korea Korea Telecom and the United States Verizon. Passive Optical Networking PON deployments are currently segmented in two flavors: Ethernet PON EPON in Japan and Korea,...
- White papers 2008-05-21
- Digicartpc (exe)
- Digicartpc plays audio samples using WDM and ASIO. It provides 336 buttons arranged in 8 pages of 42. Each button can be assigned a media file - WAV, MP3, MID, MPG, AVI, MOV, WMA, WMV, BWF, AIFF, AC3, JPG, and BMP. Output can route to any available output using WDM...
- Software downloads 2008-05-19
- Building High-End Ethernet Functionality Into SDH Networks
- For now, NG-SDH seems to have its roots firmly entrenched in Service Provider networks. Given the ubiquitous presence of SDH in the metro, incrementally offering high-end Ethernet services over this SDH network would be the best way of packetizing the metro. This approach ensures that the Service Provider can start...
- White papers 2008-03-05
- 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...
- White papers 2008-01-22
- 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...
- White papers 2008-01-03
- 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
- Optical Burst Switching (OBS): A New Area in Optical Networking Research
- This paper gives an introduction to optical burst switching OBS and compares it with other existing optical switching paradigms. Basic burst assembly algorithms and their effect on assembled burst traffic characteristics are described first. Then a brief review of the early work on burst transmission is provided followed by the...
- White papers 2008-01-01
- Insecurity in ATM-Based Passive Optical Networks
- This paper considers the security of an ITU standard for ATM-based passive optical networks. First, it shows that the standard's encryption algorithm, called churning, has an effective 8-bit key length and thus is trivial to break with exhaustive keysearch. Second, it shows that the authentication mechanisms have significant weaknesses. The...
- White papers 2008-01-01
- 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...
- White papers 2008-01-01
- 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
- Scalable Opto-Electronic Network (SOENet)
- In applications such as processor-memory interconnect, I/O networks, and router switch fabrics, an interconnection network must be scalable to thousands of high-bandwidth terminals while at the same time being economical in small configurations and robust in the presence of single-point faults. Emerging optical technology enables new topologies by allowing links...
- White papers 2008-01-01
- Evolution, Challenges and Enabling Technologies for Future WDM-Based Optical Access Networks
- Upgrading current-generation Time Division Multiplexing TDM-based optical access networks will be a challenge in the future when end-user demand outgrows current network capacity. Wavelength Division Multiplexing WDM has been considered as an ideal solution to extend the capacity of optical networks without drastically changing the fiber infrastructure. This paper investigates...
- White papers 2008-01-01
- Switching and Traffic Grooming in WDM Networks
- This paper considers the role of switching in minimizing the number of electronic ports (e.g., SONET ADMs) in an optical network that carries sub-wavelength traffic. Providing nodes with the ability to switch traffic between wavelengths, such as through the use of SONET cross-connects, can reduce the required number of electronic...
- White papers 2008-01-01
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