Content distribution network in short CDN is known as the system of computers that contains copies of certain data which are placed at different points within a network to maximize bandwidth with help of which you can access data from your clients throughout the network. The nodes of CDN are developed in many locations and often over many backbones. All these nodes work with each other to satisfy the end users request for content. Optimization helps you to reduce bandwidth costs, improving the performance and increase in availability of the content. The architechture decides how many nodes you can attach there?
If you want to optimize the costs for the content distribution network (CDN) you should choose the location which is least expensive. If you take an optimal scenario, suppose there are two goals which are tending to align as because the severs which are close to end user who are at the edge of the network can be able to get some advantages in the performance or cost. Design of internet will be done on the basis of end-end principle. Due to this principle the core network becomes specialized and simplified but only to forward you data packets.
The end to end transport system of the network in content distribution network (CDN) augments different applications. The techniques that are designed for optimizing content delivery can lead to server-load balancing, content services and request routing. The work of web caches is to accumulate popular content on servers which have greatest demand for content requested. The work of these shared networks is to reduce down the bandwidth requirements and to reduce server load. These balancing of server-load use techniques which include service abased or hardware based which can also be called as content switch, web switch or multilayer switch which will help you to share traffic between a series of servers.
In Content distribution Network(CDN) these switch have a single virtual IP address as a result of which the traffic which are arriving to the switch is directed to any one of the web servers that are attached to it. The advantage of this is balancing load, improving the scalability and increasing the total capacity. A service node is generally formed of 4-7 layer of switch which helps to balance across a series of web caches located within the network. The request routing directs a request of client to the closest client node or to the one which have the most capacity.
Content distribution networks (CDN) uses series of different content delivery which are not limited for any manual assets and for the hardware load balancer (global). The request for content has been typically diverted to nodes which are optimal. While optimizing for the content performance, locations which are best for serving the content to you will be chosen. To optimize the delivery properly across the local networks you must choose locations with the fewest hops. If you are trying to establish such network you should have knowledge about the CDN.
Author Resource:
David Henzel is the author of this article on Content Delivery Network .
Find more information about CDN here.
![[Valid RSS feed]](http://www.look4articles.com/images/icon_Rss.png "XML Feed For RSS"){kind=icon}
Category Rss Feed
Print This Article
Add To Favorites
![[Valid RSS feed]](http://www.look4articles.com/images/rss.jpg "XML Feed For RSS")