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- The death and rebirth of the central office
- Central offices full of huge analog circuit switches are giving way to packet-switching technology and Voice over Internet Protocol or VoIP. As Tim Landgrave explains, this will have huge benefits for small businesses.Since the inception of the phone system, companies like AT&T have built large central offices COs to house...
- Tags: Network technology, Telecom & Utilities, Telephony, TELECOMMUNICATIONS, NETWORKING, e Advantage, NG-CLEC, phone, circuit-switching, packet-switching, central office, VoIP, voice conversation, network
- Technical articles 2001-01-18
- What's the best WAN connection type for you?
- Is your company planning a WAN in the near future? If so, you'll need to know what each connection type has to offer. Check out Warren Heaton's overview of current WAN connection types in this week's Consultant's Corner.When designing a wide area network WAN, one of the most challenging issues...
- Tags: WANs, NETWORKING, Network technology, Warren Heaton, frame relay, connection type, network, WAN, X.25, ISDN
- Technical articles 2000-08-16
Additional Resources
- Service Level Management: Optimizing Your OSS for SLA Delivery
- As the Telecommunication world move from the circuit switching to packet switching and from the dedicated circuit to IP VPN, QoS, Service Level Management is becoming more and more vital when the service provider deals with customers. This paper presents the architecture and design of an integrated and automated Service...
- Tags: SLA, University Of Toronto, Service Level Management, Service Management, It Operations, It service Management
- White papers 2004-10-19
- Routing Updates Over APS on POS Interfaces
- This paper clarifies how routing protocols operate over Packet Over SONET POS interfaces configured as working or protective members of Automatic Protection Switching APS setups. The Cisco 12000 series APS implementation supports unidirectional and bidirectional APS modes. The default operational mode is bidirectional, which means that either W or P...
- Tags: Point-of-sale, Network, Circuit, Cisco Systems Inc., Networking
- White papers 2006-05-16
- Compression on T1 circuit
- I want to use compression from a central site to a remote. I am not sure whether to use stacker or predictor for this circuit. The T1 circuit is very slow and it is a point to point connection using encap hdlc. Which technique would be better...
- Tags: network configuration, networking, souter94@..., T1
- Discussion threads 2005-05-03
- Optical Flow Switching
- In the early days of the Internet, the most precious resource was long-haul transmission capacity. 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...
- Tags: Packet-switching, Massachusetts Institute Of Technology, Optical Fiber, Fiber Optics, Optical Networking, Network Technology, Networking, Telecommunications
- White papers 2006-12-12
- Introduction to WAN Technologies
- This document introduces the various protocols and technologies used in wide-area network WAN environments. Topics summarized here include point-to-point links, circuit switching, packet switching, virtual circuits, dialup services, and WAN devices. Chapters in Part III, "WAN Protocols," address specific technologies in more detail.
- Tags: WANs, Network Technology, Networking
- White papers 2002-02-20
- Solve Elec (exe)
- Solve Elec is an educational electricity and electronics software for circuit analysis and resolution. Solve Elec features circuit drawing, computation of literal formulas for any current or voltage shown in the circuit, circuit related equation verification, graph drawing,equivalent circuit and integrated help. Analyzed circuits function in direct current and may...
- Tags: Circuit, Solve Elec, Semiconductors, Hardware
- Software downloads 2007-10-12
- A Wide Tracking Range 0.2-4Gbps Clock and Data Recovery Circuit
- The Clock and Data Recovery CDR circuit is one of the most important building blocks in any serial communication system. A dual-loop structure consisting of a cascade of frequency and phase acquisition loops is a widely used CDR architecture since it allows independent optimization of bandwidths in the two loops....
- Tags: Acquisition, Data Recovery, IEEE, Mergers & Acquisitions, Corporate Law, Storage Management, Databases, Investment, Finance, Business Operations, Storage, Hardware, Enterprise Software, Software, Data Management
- White papers 2006-01-01
- Multi-Layer Switching Demystified
- Multi-layer switching can be a confusing concept for students taking Cisco courses, and is only complicated further by more new terms arising, such as layer-3 and layer-4 switching. KnowledgeNet Instructor Jeremy Cioara employs concrete analogies to fully explain the concept of Cisco multi-layer switching in this article. "What is...
- Tags: KnowledgeNet, Cisco Systems Inc., KnowledgeNet Instructor Jeremy Cioara
- White papers 2001-08-01
- Burst Routing Planning for Optical Networks Using the Association Rule Approach
- The Optical Burst Switching OBS is a technology positioned between Optical Circuit Switching OCS and Optical Packet Switching OPS. It is a promising buffer-less DWDM switching technology that provides high wavelength utilization. One of the critical design issues in OBS network is effective planning in minimizing burst dropping resulted from...
- Tags: Algorithm, Optical Network, Path, Optical Burst Switching, Engineering, Optical Networking, Networking
- White papers 2006-10-01
- Growth in Bandwidth Demand Leads Wholesaler to Foundry
- GlobalConnect, one of Europe's largest independent suppliers of fiber-optic infrastructure, is augmenting its existing circuit-switch-based infrastructure with one based on Foundry Networks Layer 2/Layer 3 FastIron Edge X Series. The decision to install Ethernet switching was based on the prohibitive costs involved with upgrading the circuit-based infrastructure and the overall...
- Tags: Foundry Networks Inc., Bandwidth, Infrastructure, Ethernet, Network Technology, Networking
- Case studies 2006-01-01
- Layer 3 Switching
- This document 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. The document analyzes Layer 3 switching from both functional as well as an operational perspective, helping...
- Tags: Layer 3
- White papers 1998-05-01
- Layer 3 Switching: An Introduction
- 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. The paper analyzes Layer 3 switching from both a functional and an operational perspective, helping the reader make...
- Tags: Layer 3
- White papers 1998-05-01
- Microsoft must be really feeling the PAIN of WGA !
- I have wandering into several stores and they DO NOT have any Computer with more than BASIC "VISTA" on them . . Some stores are afraid its going to crash before they get it out the door got that from Circuit City Person . . And Best Buy will...
- Tags: Microsoft Windows Vista (Longhorn), Microsoft Corp., jackie40d@..., Microsoft Windows Vista, WGA
- Discussion threads 2007-07-30
- Cisco - How to Choose the Best Router Switching Path for Your Network
- There are a plethora of switching paths available to various Cisco routers and Cisco IOS releases. Which is the best one for your network, and how do they all work? This white paper is an attempt to explain each of the following switching paths so you can make the best...
- Tags: Router, Network, Cisco Systems Inc.
- White papers 2004-09-15
- B2 Spice A_D (EXE)
- The version 5.1 of the popular and powerful mixed mode electronics circuit simulator builds upon B2 Spice A_D v4 powerful capabilities to reach new standards in ease-of-use, power, and capabilities. New features include: virtual instruments, live circuit mode with interactive parameters, redesigned user interface, animated schematics, circuit wizards to automatically...
- Tags: Electronics, Circuit
- Software downloads 2005-05-20
- Circuit City Selects Marimba for Its In-Store Software Change Management Solution
- Circuit City is one of the nation's leading consumer electronics retailers, producing approximately $10 billion in annual sales. Circuit City needed a flexible, reliable method for managing software changes affecting both servers and clients supporting their in-store systems. They evaluated a number of potential solutions, including the option of creating...
- Tags: Circuit City Stores Inc., Marimba, It Management, Roi/Tco, It service Management, Finance, Managerial Accounting
- Case studies
- Constructor (exe)
- The Constructor program makes the creation, testing, trouble-shooting, teaching and printing of electrical ladder diagrams, schematics and one line diagrams fast and easy. The circuit will perform the same as a hard wired electrical circuit. The design can be edited and re-tested saving valuable time when it comes to hard...
- Tags: Circuit, Monitors & Displays, Document Management, Productivity, Hardware, Components, Enterprise Software, Software, Finance, Managerial Accounting
- Software downloads 2007-06-22
- Advanced Switching Industry Update, What's New and What's Next
- This webcast provides an update on the status of the Advanced Switching technology, including a review of the recent Rev 1.1 specification announcement by the ASI SIG. the webcast includes a brief overview of new product announcements made by a number of industry leaders featuring Advanced Switching based silicon, test...
- Tags: Webcast, Industry, Intel Corp., Digital Media, Strategy, Consumer Electronics, Personal Technology, Management
- Webcasts
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