Tuesday 30 August 2011

Broadband Internet


The Way In Which Metro Ethernet Connects Data Centres

Metro Ethernet uses Carrier Ethernet technology to connect people and businesses separated by greater distances. This is within a building, between buildings, and between offices or campuses. Ethernet’s abilities are enhanced and it can then be used through IP core networks, over SONET/SDH, or Multiprotocol Label Switching networks.
Metro Ethernet uses a network topology. Network topology works with individual servers or routers and connects through fiber optic cable or media. Metro Ethernet uses connections of multiple speeds. This means companies and institutions may connect to datacenters that have either faster or slower internet connections. This means bandwidth requirements are not fixed. Companies, institutions, and individuals all find that the Metro Ethernet networks are a valuable tool. 
The simplest explanation of the Metro Ethernet networks is a company on one side of town connects to Metro Ethernet and simultaneously one on the other side of town does the same. Basically, Metro Ethernet and Ethernet are the same connection. Maintenance is very easy once it is installed. It lends individuals and businesses more time for important issues. This allows access of datacenters to multiple businesses.
Multiprotocol Label Switching is a mechanism high-performance telecommunication networks, such as Metro Ethernet, use to direct and carry data. MPLS labels data then transfers it from one network node to another. Creating links between networks is simple using MPLS. Only the destination node responds, but data is sent to all of them. A Virtual Private Network ensures a company’s security. This is a computer network that utilizes public telecommunication, like the internet, and provides individuals and offices secure access to their company’s network. VPN is much like one small tunnel inside a larger tunnel. The small one is used to transfer and access data and the large one is the internet connection. The VPN encrypts data then sends it to the other computer. The intended computer is the only one that can read this data.
More and more companies, institutions, and individuals are turning to this technology. It is simple, but it sounds extremely complicated. The word metro is derived from metropolitan. Ethernet is an internet connection. The emergency room of a hospital, through Metro Ethernet, is able to access the datacenter of a doctor’s office across town. 
The service provider installs a UNI (User-Network Interface) for the basic Ethernet connection. This is the same interface the Metro Ethernet uses. The service connection for the customer is made at the UNI. 

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