Ethernet is a large and diverse family of frame-based computer networking technologies for local area networks (LANs). The name comes from the physical concept of the ether. It defines a number of wiring and signaling standards for the physical layer, two means of network access at the Media Access Control (MAC)/Data Link Layer, and a common addressing format.
Interconnecting three or more sites across a metro or wide area network has traditionally been accomplished via a hub and spoke network topology using Private Lines, Frame Relay or IP VPNs over the Internet. Ethernet services support hub and spoke topologies but also support an “any-to-any” network topology similar to a LAN but delivered over a wide area. This latter capability is unique to Ethernet services and cannot be cost effectively delivered using legacy point-to-point technologies such as Frame Relay or IP VPNs.
This paper discusses two options for multi-site connectivity using Ethernet services. One option discusses the classical hub and spoke topology using Ethernet Virtual Private Lines (EVPL). The other option discusses the “any-to-any” topology using an Ethernet Private LAN (EP-LAN) service. Through examples, the paper illustrates the capabilities of the two approaches and their benefits.
This white paper begins by identifying and analyzing critical nets in the design that may need signal integrity analysis. Next, it discusses transmission lines and the problems that arise from the high frequency noise generated by rapid edge-rate signals.
Delivering a cost-effective HPC solution to Cisco Unified Computing System (UCS) customers has become easier thanks to Bright Computing. Read more to Learn how these products provide an HPC cluster solution that offers cost-saving features.
Deploying the right Ethernet fabric is key for any organization, but selecting one can be daunting. Fortunately, the Lippis guide “Top 6 Recommendations for Selecting an Ethernet Fabric” provides insight and deployment tips based on the results of a recent study.
In recent years Boston College has experienced rapid growth in data center network complexity. This complexity was driven by the need to provide a high level of fault tolerance to new, multi-tiered applications that had large bandwidth requirements. Read the case study to learn how the university deployed Riverbed Cascade™ to improve application performance management and increase network uptime.
Riverbed Cascade is a new type of tool that incorporates traffic monitoring, packet capture and protocol analysis to provide an application-aware view of the network. Download this white paper from NetMedia to learn how Riverbed Cascade can help to solve your IT performance challenges.
Read this white paper to separate the technology and business potential from the marketing fluff. Get answers to your most pressing cloud questions and better understand when and where the cloud makes the most sense for your organization.
The white paper points out that it is important to remember that cloud computing is not just about data center technology. It's about streamlining business processes to make organisations and people more strategic and more responsive to change.
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This case study will discuss how Tata Communications' Ethernet impacted in reducing the International Bank's total costs while allowing the network to be adjusted quickly to handle the changing internal requirements brought on by rapid expansion.
This document discusses the evolution of Ethernet. As a proven leader in delivering Ethernet services, Tata Communications is making a bold, calculated move that positively impact the future of Ethernet and ultimately benefit customers.
With LevelOne branch offices in 18 different countries, we're able to share different project ideas from all around the world. Today our branch office, DDC East Africa, shows us how they worked with local systems integrator, Pioneer Technologies, to build several large wireless networks in luxury hotels using LevelOne product.
High-speed Ethernet WANs are the answer to new applications and computing technologies that need increasing bandwidth. But did you know that securing your shiny new Ethernet WAN traffic will cost thousands of pounds/euros more every month if you make the wrong choices?