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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 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]
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]
Multiprotocol label switching makes for mainstream
News Hyped for years, technology known as multiprotocol label switching is finally hitting the mainstream amid growing demand for services that marry voice, video and data on a single network. MPLS development goes back more than a decade, when...
[February 9, 2004, 14:30]
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]
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]
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]
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]
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]
Multi-Hop Optical-Label Switching Using Optical 3R Regeneration
White Papers This paper experimentally demonstrates the multi-hop operation of an optical-label switching router with label swapping and optical 3R at each hop. A semiconductor optical amplifier based Mach-Zehnder interferometer wavelength converter performs...
[July 11, 2008, 1:02]
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]
Latency in Grid Over Optical Burst Switching With Heterogeneous Traffic
White Papers Optical Burst Switching (OBS) has been proposed as the next generation optical network for grid computing. This paper envisions a heterogeneous Grid served by an Optical Burst Switching framework, where grid traffic co-exists with IP and/or a 10 GE...
[July 18, 2008, 1:01]
Task Switching in Mobile Wireless Sensor Networks
White Papers This paper describes two switching control laws that achieve such a coordination and analyze their performance. Mobile wireless sensor networks have the ability to monitor wide geographical areas. A suitable distribution of sensors can provide an...
[July 20, 2007, 1:00]
Layer 3 Switching: An Introduction
White Papers This paper is a map through the jungle of internetworking infrastructure, particularly focusing on how Layer 2 switching and Layer 3 routing have combined to form the powerful Layer 3 switching architecture.
[August 20, 2003, 2:54]
SAVE MONEY, IMPROVE SECURITY, MEET SECURITY COMPLIANCE REQUIREMENTS AND INCREASE EFFICIENCY BY SWITCHING FROM FTP TO SFTP FOR LEGACY SYSTEMS FILE TRANSFER
White Papers Ian Kilpatrick, chairman Wick Hill Group, explains how switching from FTP to SFTP for legacy systems file transfer can save money, improve security, help meet compliance security requirements and increase efficiency.
[May 20, 2009, 1:19]
Low Latency 10 GbE Switching for Data Center, Cluster and Storage Interconnect
White Papers The typical server in a high performance data center may require connection to three switching fabrics: a LAN for connecting users and general networking, an Inter-Processor Communications (IPC) fabric for low latency message passing between...
[September 10, 2008, 0:00]
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]
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]
The Impact of Burst Switching on TCP Performance
White Papers Optical Burst Switching (OBS) has brought a new switching paradigm for transparent all optical networks by getting rid of buffers at core nodes. Main features of OBS are burst assembly and delayed reservation.
[December 6, 2007, 0:01]
Flow-Slice: A Novel Load-Balancing Scheme for Multi-Path Switching Systems
White Papers Multi-Path Switching Systems (MPS) are intensively used in the state-of-the-art core routers. One of the most intractable issues is how to load-balance traffic across its multiple paths while not disturbing the intra-flow packet orders.
[July 10, 2008, 1:01]
