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Routers

ALSO CALLED: Service Edge Routers, Edge Routers, and Network Routers
DEFINITION: An mrouter, or multicast router, is a router program that distinguishes between multicast and unicast packets and determines how they should be distributed along the Multicast Internet (sometimes known as the Multicast Backbone or MBone).  … 
Definition continues below.


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12 Things to Know When Troubleshooting Your Network
sponsored by Global Knowledge
WHITE PAPER: This white paper addresses twelve common issues that network administrators should examine when troubleshooting network problems.
Posted: 12 Dec 2008 | Published: 12 Dec 2008
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Switching Essentials: An Introduction to Network Switching
sponsored by Global Knowledge
WHITE PAPER: In this white paper, we will address the basics of this Layer 2 technology and help you get your network switch up and running. For our examples, we will use Cisco's 2950 switch.
Posted: 10 Dec 2008 | Published: 11 Oct 2008
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Router Essentials
sponsored by Global Knowledge
WHITE PAPER: Build a basic foundation of knowledge about routers, the devices that allow you to move packets between networks, by reading this white paper.
Posted: 10 Dec 2008 | Published: 11 Oct 2008
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802.11n: Implementation Best Practices
sponsored by Motorola, Inc.
EGUIDE: This document provides those responsible for next-generation WLAN planning and deployment with guidance on how to make the most of their investment 802.11n.
Posted: 20 Nov 2008 | Published: 20 Nov 2008
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802.11n: Look before You Leap Key Considerations for Moving to 802.11n
sponsored by Motorola, Inc.
WHITE PAPER: This paper explains the 802.11n basics necessary and how 802.11n technology relate to the three C's of network planning, Coverage, Context, and Capacity.
Posted: 23 Oct 2008 | Published: 22 Oct 2008
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Data Center LAN Connectivity Guide
sponsored by Juniper Networks, Inc.
WHITE PAPER: This document introduces the issues related to changing data center needs and presents design considerations and recommendations for data center LANs.
Posted: 21 Oct 2008 | Published: 21 Oct 2008
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RS-232: A Key to Understanding Data Communications
sponsored by Global Knowledge
WHITE PAPER: Read this paper to learn the history and current application of RS-232, a standard that refers to two classes of devices: Data Terminal Equipment and Data Circuit Terminating Equipment.
Posted: 14 Oct 2008 | Published: 11 Oct 2008
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Building a Small Office Network: Getting Started
sponsored by Cisco Systems, Inc.
WHITE PAPER: Building a small office network means starting with a foundation of switches and routers. The following guide will help you understand the difference between switches and routers and develop a clear vision for what your network foundation needs.
Posted: 10 Oct 2008 | Published: 10 Oct 2008
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How to monitor the performance of SOA applications and rich Internet applications
sponsored by CA
WEBCAST: This Webcast explores the defining characteristics of rich internet applications (RIA) and provides insight into the tools necessary for effective monitoring of RIAs and SOA.
Posted: 11 Sep 2008 | Premiered: Available On Demand
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Exploring the Benefits of 3G Wireless Integrated into Business-Class Routers
sponsored by Sprint
WHITE PAPER: Read this and learn how to leverage business-class routers with integrated high-speed 3G wireless that combine traditional enterprise router functionality, such as remote management and security, with mobility capabilities of 3G WAN acces
Posted: 09 Apr 2008 | Published: 01 Aug 2007
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Understanding Power Factor, Crest Factor, and Surge Factor
sponsored by APC
WHITE PAPER: This paper explains the technical terms of Power Factor, Crest Factor, and Surge Factor.
Posted: 06 Feb 2008 | Published: 01 Jan 2006
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Audio Engine Specifications
sponsored by Logitek Electronic Systems, Inc.
PRODUCT LITERATURE:Logitek's Audio Engine is a versatile, expandable audio crosspoint router. Any digital or analog input may be routed to any digital or analog output. AES inputs may be output as a stereo pair or two mono outputs.
Posted: 29 Jul 2004 | Published: 01 Jan 2003
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Logitek Audio Engine
sponsored by Logitek Electronic Systems, Inc.
DATA SHEET:The Audio Engine efficiently manages all the audio in your facility: analog, digital, inputs, outputs, intercoms, mix minus, balanced, unbalanced, AES, S/ PDIF and more.
Posted: 29 Jul 2004 | Published: 29 Jul 2004
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The EDGE3000: Sophisticated Network Security
sponsored by ITsec Systems, Inc.
PRODUCT OVERVIEW:The EDGE3000 is an all-in-one solution that not only provides industry leading security but complete network management and auditing control, either on a local level or remotely.
Posted: 14 Jul 2004 | Published: 12 Jul 2004
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ST-series
sponsored by Laurel Networks
SOFTWARE DEMO:Laurel’s ST-series includes the wire-speed performance, reliability, Quality of Service (QoS) and scale required to deliver a complete portfolio of advanced services including Voice over IP.
Posted: 06 Jul 2004 | Published: 30 Jun 2004
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Voiceglo Chooses CIENA/Laurel Solution to Support Rapidly Growing GloPhone Voice Over IP Service
sponsored by Laurel Networks
PRESS RELEASE:CIENA® Corporation and Laurel Networks, Inc. today announced that global full-service Voice over Internet Protocol communications company Voiceglo has deployed a joint CIENA/Laurel multiservice edge solution to support its rapidly growing GloPhone
Posted: 06 Jul 2004 | Published: 09 Jun 2004
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ST-Series - Service Edge Routers
sponsored by Laurel Networks
DATA SHEET:Service delivery requirements are changing dramatically, placing service providers at a critical transition point. As the evolution from best-effort Internet service to a wide range of high-bandwidth business and consumer services gains momentum.
Posted: 06 Jul 2004 | Published: 01 Jun 2004
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ST-Series Broadband Edge Routers: Combine Performance, Availability and Routing to Support All Business and Consumer Broadband Services
sponsored by Laurel Networks
DATA SHEET:The ST-series™ is the first broadband platform architected specifically to deliver high performance across multiple services with many subscribers.
Posted: 06 Jul 2004 | Published: 01 Jun 2004
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Level 3 Chooses Laurel ST200 Service Edge Router As One of Its Platforms for Data Service Expansion
sponsored by Laurel Networks
PRESS RELEASE:Laurel Networks, Inc. today announced that Level 3 Communications, Inc. has selected its ST200™ Service Edge Router as one of its platforms for an expansion of its (3)FlexSM data services in the US and Europe.
Posted: 06 Jul 2004 | Published: 21 Jun 2004
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Laurel Networks Expands ST-series Family with New ST50 Service Edge Router
sponsored by Laurel Networks
PRESS RELEASE:Laurel Networks, Inc. today introduced the ST50™ Service Edge Router, delivering all of the proven multi-service functionally of its high-capacity ST200™ Service Edge Router in a smaller, lower-cost platform.
Posted: 06 Jul 2004 | Published: 07 Jun 2004
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Advanced PHY Layer Technologies for High-Speed Data over Cable
sponsored by Cisco Systems, Inc.
WHITE PAPER:This paper highlights the major differences between DOCSIS 2.0 and earlier versions, and discusses advantages of deploying the advanced PHY technology available today.
Posted: 08 Dec 2003 | Published: 01 Sep 2003
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ROUTERS DEFINITION (continued): …  Using an appropriate algorithm, an mrouter tells a switching device what to do with the multicast packet.

Mrouters currently make up "islands" on the MBone separated by unicast routers. Thus, an mrouter can disguise multicast packets so that they can cross unicast routers. This is done by making each multicast packet look like a unicast packet; the destination address is the next mrouter. This process is called IP tunneling.

There are two multicast routing protocols … 
Routers definition sponsored by SearchNetworking.com, powered by WhatIs.com an online computer dictionary



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