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Switching and Traffic Grooming in WDM Networks
White Papers This paper considers the role of switching in minimizing the number of electronic ports (e.g. The paper characterizes a class of network architectures that use both the minimal amount ADMs and the minimal amount of switching.
[September 11, 2008, 1:01]
Switching Cost Minimization in the IEEE 802.16e Mobile WiMAX Sleep Mode Operation
White Papers Most of the existing works on the IEEE 802.16e sleep mode operation focus on the decision making before a mobile station switching to sleep mode state. Truly, frequent switching can increase the energy cost on the mobile station, which can...
[April 23, 2009, 1:24]
Switching vs. Routing
White Papers The same old networking question is constantly being addressed as network managers assess the speed, simplicity and lower cost of Layer 2 switching (bridging) against the greater network control afforded by routing technology.
[August 14, 2003, 0:00]
A Cost Analysis of Optical IP Switching in New Generation Optical Networks
White Papers This paper proposes a simple model that analyzes the cost saving achieved by Optical IP Switching (OIS), a novel optical architecture, compared to a conventional IP-over-WDM network, where the IP router connects directly to the WDM module.
[September 11, 2008, 1:01]
Information Capacity of Nanowire Crossbar Switching Networks
White Papers Crossbar switching networks formed by nanowires are promising future data storage devices. This work addresses the fundamental question: What is the information storage capacity of a crossbar switching network?
[September 11, 2008, 1:01]
Practical Wyner-Ziv Switching Scheme for Multiple Bit-Rate Video Streaming
White Papers This paper proposes a novel bit-stream switching scheme for the Multiple Bit-Rate (MBR) video streaming, in which a Wyner-Ziv coded frame is used to overcome the mismatch between the MBR streams when the switching occurs.
[May 25, 2007, 1:00]
Cisco Catalyst 6500 Series Virtual Switching System (VSS) 1440
White Papers The Cisco Catalyst 6500 Series Virtual Switching System (VSS) 1440 is a new and exciting innovation on the Cisco Catalyst 6500 Series switches that effectively allows the clustering of two or more physical chassis together into a single, logical...
[March 16, 2009, 9:02]
Alcatel Distributed Mobile Switching Center Solutions: The Next-Generation Solution for Today's Networks
White Papers Alcatel offers Spatial Atrium Distributed Mobile Switching Center (DMSC) solutions for mobile networks. The Alcatel Spatial Atrium DMSC substitutes centralized core switches with switching points distributed across a network.
[November 29, 2006, 0:00]
Multiple-Hop Routing in Ultrafast All-Optical Packet Switching Network Using Multiple PPM Routing Tables
White Papers This paper presents the modeling and simulation of multiple-hop routing in ultra fast all-optical packet switching based routers employing multiple Pulse Position Modulation (PPM) formatted routing table.
[September 11, 2008, 1:01]
Optically Controlled 2?2 Switching Cell for Packet-Switched Networks
White Papers All-optical packet-switching eliminates the need for optical-electrical conversion and are ideal for high speed networks of the future. However, owing to the lack of optical random access memory and limited optical signal processing power available...
[September 11, 2008, 1:01]
Optical Flow Switching
White Papers Thus, the packet switching architecture was designed to use this resource as efficiently as possible. With the ubiquitous deployment of WDM in core networks in the last few years, long-haul transmission is now cheaper than router switching at core...
[September 11, 2008, 1:01]
How eCentric Switch Built its Unified Transaction-Switching Platform
White Papers When eCentric Switch of South Africa wanted to unify its diverse suite of proprietary, transaction-switching products, it chose a Microsoft-based solution making extensive use of Visual Studio .NET, C#, the .NET Framework, SQL Server, and BizTalk...
[March 10, 2005, 11:36]
Task switching with RTOS
News Switching from a "one-big-loop" style of programming to a multithreaded real-time operating system (RTOS) can make sense in many applications. Most embedded RTOSs use preemptive priority-based task switching, meaning that the CPU can switch from...
[September 3, 2002, 14:58]
Design and Implementation of GMPLS-Basd Optical Slot Switching Network With PLZT High-Speed Optical Switch
White Papers This paper proposes a new optical network architecture, called Optical Slot Switching (OSS), suitable for large data transmission where it uses PLZT optical switch controlled by GMPLS(Generalized Multi-Protocol Label Switching).
[September 11, 2008, 1:01]
Verizon gives voice to packet switching
News Verizon Communications announced a deal with Nortel Networks on Tuesday, the latest carrier moving to add packet-switching technology to its voice network. Sprint made a $1.1bn deal with Nortel in November, and began adding packet switching to its...
[July 4, 2002, 7:57]
Cisco Catalyst 6500 Series Virtual Switching System (VSS) 144
White Papers The Cisco Catalyst 6500 Series Virtual Switching System (VSS) 1440 is a new and exciting innovation on the Cisco Catalyst 6500 Series switches that effectively allows the clustering of two or more physical chassis together into a single, logical...
[August 7, 2009, 1:20]
Dynamic Power Considerations in a Complete 12 x 12 Optical Packet Switching Network
White Papers Optical Packet Switching (OPS) fabrics offer a potentially viable solution to this requirement, owing to the ability of fiber-optic components and systems to carry many terabits/second of encoded optical data while maintaining near speed-of-light...
[September 11, 2008, 1:01]
FocalPoint in Large-Scale Clos Switches: A New Silicon Generation Enables a New Datacenter Switching Paradigm
White Papers A transformation is occurring in the area of data center switching. Multi-layer switching solutions that currently dominate enterprise and service provider datacenter networks are complex designs with a number of separate ASICs, each carrying out a...
[September 11, 2008, 1:01]
Rapid Context Switching on an FPGA Custom Processor With a Configurable Number of Registers
White Papers The innovation of this work lies in the design of a context switching mechanism that is implemented with a configurable number of CPU register sets. This paper presents the xr16rcs, a custom processor for embedded system applications that is an...
[November 25, 2008, 23:00]
Networking Tutorial: Network Switching
White Papers How can you tell if your network will benefit from switching? And we’ll discuss different network types, so you can profile your network and gauge the potential benefit of switching for your environment.
[February 10, 2004, 4:43]
