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DEFINITION: Also see repeater, hub, bridge, gateway, and router.In a telecommunications network, a switch is a device that channels incoming data from any of multiple input ports to the specific output port that will take the data toward its intended destination. In the traditional circuit-switched telephone network, one or more switches are used to set up a dedicated though temporary connection or circuit for  … 
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SwitchesReports
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Next Generation Network Management Techniques
sponsored by SearchSecurity.com
EZINE: The February edition of the Network Evolution E-zine explore the latest advances in DevOps and uncover what you need to know for working within the movement. Also read several other featured articles!
Posted: 02 Feb 2012 | Published: 02 Feb 2012

SearchSecurity.com

Overcoming the Limits of TCP
sponsored by Infineta Systems
WHITE PAPER: This whitepaper review the causes of poor TCP performance and data transport requirements of critical operations for today’s data protection strategies. Also learn about a new switch that is the only solution available to accelerate TCP-based connections at speeds of 10 Gbps, regardless of distance.
Posted: 30 Dec 2011 | Published: 29 Dec 2011

Infineta Systems

Deploying Brocade VDX 6720 Data Center Switches in Enterprise Data Centers
sponsored by Brocade
WHITE PAPER: Brocade VDX 6720 Data Center Switches are specifically designed to improve network utilization, maximize application availability, increase scalability, and dramatically simplify network architecture in virtualized data centers.
Posted: 13 Dec 2011 | Published: 13 Dec 2011

Brocade

Building the network infrastructure in your data center: Expert considerations
sponsored by Brocade
EGUIDE: With today’s environmental concerns, even IT professionals can make a difference. Energy-efficient data center network designs are important to implement, while being cost-effective and not sacrificing performance.
Posted: 07 Dec 2011 | Published: 07 Dec 2011

Brocade

Ensuring seamless network integration with the virtual data center
sponsored by Softchoice Corporation
EBOOK: To reap all the benefits of server virtualization, data centers need to be able to work with Virtual Machines while still maintaining accessibility and keeping up with the security needed.
Posted: 30 Nov 2011 | Published: 29 Nov 2011

Softchoice Corporation

Integrating Physical and Virtual Networking – Virtualized Server Connect to the Data Center Fabric
sponsored by Enterasys
WHITE PAPER: Server virtualization has affected all facets of the data center – from servers to storage to the network. While the promise is a reduced capital investment, higher agility and lower operational expenses, the success of server virtualization depends on the integration of both the physical and the virtual network. This has its own set of challenges.
Posted: 22 Nov 2011 | Published: 21 Nov 2011

Enterasys

Power System Event Reconstruction Technologies for Modern Data Centers
sponsored by Schneider Electric
WHITE PAPER: New power monitoring systems can re-construct the sequence of events such as circuit breaker tripping, and static switch transfer down to 1 ms resolution. This resource explores this power system even reconstruction in detail and discusses why it’s important to modern data centers.
Posted: 21 Nov 2011 | Published: 01 Oct 2011

Schneider Electric

Virtual Fabrics Provide Administrative Flexibility in a Shared Storage Environment
sponsored by Brocade
WHITE PAPER: Learn about a technology that enables you to better manage your SAN assets by creating logical groups of separately managed devices, ports, and switches within your SAN - all without disrupting existing environments.
Posted: 21 Nov 2011 | Published: 30 Jan 2009

Brocade

EX Series Ethernet Switches
sponsored by Juniper Networks, Inc.
WHITE PAPER: High-performance businesses demand a high-performance network infrastructure that provides fast, secure and reliable delivery of the applications that drive the business. Switches deployed in regional offices, campuses and data centers enable these business processes by connecting users.
Posted: 15 Nov 2011 | Published: 15 Nov 2011

Juniper Networks, Inc.

Data Centre Switching video
sponsored by Alcatel-Lucent Enterprise
VIDEOCAST: View this videocast to learn about a new data center switching solution to discover how you can run up to 14,000 10Gb servers simultaneously.
Posted: 31 Oct 2011 | Premiered: Oct 31, 2011

Alcatel-Lucent Enterprise

Routing and switching considerations: What you may be missing
sponsored by Cisco Systems, Inc.
EGUIDE: This expert E-Guide discusses how routers actually work, how you can keep your network traffic flowing smoothly and five major considerations for your next network infrastructure project.
Posted: 12 Oct 2011 | Published: 12 Oct 2011

Cisco Systems, Inc.

Transforming the Learning Society in Hong Kong
sponsored by Cisco Systems, Inc.
CASE STUDY: This case study describes the approach one company implemented to deploy, monitor, and maintain a growing number of physical servers. Learn how it addressed their top business challenges and find out what efficiency and flexibility benefits they were able to realize.
Posted: 06 Jun 2011 | Published: 06 Jun 2011

Cisco Systems, Inc.

State Agency Collaborates Securely with Outside Organizations
sponsored by Cisco Systems, Inc.
CASE STUDY: This case study explains how one organization planned, designed, and implemented a flexible network architecture that enabled them to better collaborate between departments for improved business outcomes.
Posted: 06 Jun 2011 | Published: 06 Jun 2011

Cisco Systems, Inc.

HP Networking Cisco Trade-in Program
sponsored by Computer Design & Integration LLC
WHITE PAPER: This paper discusses a trade-in program provided by HP to help you cost-effectively upgrade your infrastructure. Uncover which products are eligible and how to get started.
Posted: 10 May 2011 | Published: 10 May 2011

Computer Design & Integration LLC

Cisco Small Business 300 Series Managed Switches: Performance, Power Consumption and Features vs. D-Link, HP Networking and NETGEAR
sponsored by Cisco Systems, Inc.
TEST RESULTS: Cisco Systems commissioned Tolly to evaluate several models of the new Cisco Small Business 300 Series of managed switches along with comparable models from D-Link, HP Networking and NETGEAR. Read this test report to see how the Cisco 300 Series Managed Switches compares in the performance, power consumption and features against competitors.
Posted: 06 Apr 2011 | Published: 01 Feb 2011

Cisco Systems, Inc.

E-Guide: Identifying the Impact of Virtualization on the Network
sponsored by Brocade
EGUIDE: This e-guide from SearchServerVirtualization.com explains how to manage the connectivity of resources carefully to ensure optimal network performance. Gain expert insight into virtual networking data technologies you should be using in your virtual environment.
Posted: 06 Apr 2011 | Published: 30 Mar 2011

Brocade

E-Guide: Network Performance and throughput in Server Virtualization Environments
sponsored by NETGEAR Inc.
EGUIDE: This e-guide discusses the potential roadblocks of server virtualization and provides best practices to tackle them. Uncover new requirements and what changes may drive network administrators and architects to replace or redesign substantial portions of the data center network.
Posted: 30 Mar 2011 | Published: 30 Mar 2011

NETGEAR Inc.

E-Guide: Benchmarking Core Switches: Modeling Techniques for Switch Testing
sponsored by NETGEAR Inc.
EGUIDE: Bottlenecks can lurk inside a high-speed 10 GbE core switch and cause its actual performance to clock in below theoretical maximum. The solution is benchmark any of these high-end devices before purchase. This e-guide discusses why using model traffic modeling to benchmark core switches is your best choice and how it can cut major costs.
Posted: 07 Mar 2011 | Published: 07 Mar 2011

NETGEAR Inc.

Webcast: Getting Your Network out of Gridlock
sponsored by Dell Software
WEBCAST: In the Quest Software on-demand webcast, “Getting Your Network out of Gridlock,” learn to monitor your network health so you can maximize performance and minimize gridlock. See how to identify the chokepoints, bandwidth hogs and vulnerabilities that gum up your network.
Posted: 03 Mar 2011 | Premiered: Mar 3, 2011

Dell Software

Take Control: How to Keep Traffic Moving, at a Low Cost
sponsored by Cisco Systems, Inc.
WHITE PAPER: Network performance problems bring everyone down. They drain productivity, spirits, and profits. But your IT resources and budget are limited. Really, what can you do? Read this paper to find out how to take control with a managed switch.
Posted: 21 Jan 2011 | Published: 21 Jan 2011

Cisco Systems, Inc.

Network Evolution E-Zine: Building the Infrastructure to Enable the Changing Face of IT
sponsored by SearchNetworking.com
EZINE: This issue of the Network Evolution E-Zine will cover the road to flat Data Center network architecture and more.
Posted: 04 Jan 2011 | Published: 04 Jan 2011

SearchNetworking.com

10 Things to Know Before Deploying 10 Gigabit Ethernet
sponsored by NETGEAR Inc.
WHITE PAPER: Over the years, improvements in 10GbE technology, price, and performance have extended its reach beyond enterprise data centers to midmarket networks. This white paper presents a list of 10 important things for achieving a reliable, affordable, and simple 10 Gigabit Ethernet deployment.
Posted: 17 Dec 2010 | Published: 17 Dec 2010

NETGEAR Inc.

Network Evolution E-Zine: Building the infrastructure to enable the changing face of IT
sponsored by SearchNetworking.com
EZINE: This issue of the Network Evolution E-Zine will cover the road to flat Data Center network architecture and more.
Posted: 07 Dec 2010 | Published: 07 Dec 2010

SearchNetworking.com

Virtual Chassis Performance: Juniper Networks EX Series Ethernet Switches
sponsored by Juniper Networks, Inc.
CASE STUDY: Juniper Networks commissioned Network Test to assess the performance of Virtual Chassis technology on its EX Series Ethernet switches, especially in the areas of latency and high availability. The key objectives were to determine whether Virtual Chassis configurations would provide low latency and fast recovery from network failures.
Posted: 06 Dec 2010 | Published: 06 Dec 2010

Juniper Networks, Inc.

Managing Network Bandwidth to Maximize Performance
sponsored by Fluke Networks
WHITE PAPER: This white paper describes how to leverage best practices to monitor, baseline, and manage the network bandwidth and performance. It also highlights how to identify and eliminate issues such as unwanted traffic, unwanted protocols, and network problems with factory default switch configurations.
Posted: 20 Oct 2010 | Published: 20 Oct 2010

Fluke Networks
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SWITCHES DEFINITION (continued): …  an exchange between two or more parties. On an Ethernet local area network (LAN), a switch determines from the physical device (Media Access Control or MAC) address in each incoming message frame which output port to forward it to and out of. In a wide area packet-switched network such as the Internet, a switch determines from the IP address in each packet which output port to use for the next part of its trip to the intended destination. In the Open Systems Interconnection (OSI) communications model, a switch performs the Layer 2 or Data-link layer function. That is, it simply looks at each … 
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