Application Delivery Network: Optimizing the Corporate Web
Over the years, there has been number of technological developments in the form of software applications, programmes and networking solutions to meet the demands of the fast growing business world. However, an increase in the number of applications used in organizations makes the whole process a very complex system. Further, the spread of the business network makes availability of the customized applications across wide geographical locations a challenge faced by many global organizations. Nevertheless, technology experts have designed and developed methods to overcome these challenges too.
Instead of using large number of software applications for ease of functioning, resulting in the network and end-users face problems, global leaders in application and cloud delivery services have designed Application Delivery Networking solutions. This solution is a suite of technologies that can be deployed in corporate network or data centers and are used to provide application availability, visibility and security. Gartner has rightly defined the application delivery network as the combination of WAN optimization and Application Delivery Controllers.
Application delivery being the vital factor for efficient functioning of data center, branch office and mobile workforce, it is also considered as a key component in cloud computing scenarios. Thus, at the data center end of the application delivery network, is present the application delivery controllers also known as the web switch, or the multilayered switch, used to distribute the web traffic to various servers located at distant places. Being placed between the router and a cluster of web servers this also facilitates load balancing on the websites when there is a demand for mix of applications across various location in the network.
These application delivery controllers being multilayered with 4-7 switches, facilitates content manipulation and routing strategies besides monitoring the server condition. On the other end of the application delivery network is present the wide area network optimization controller. Working on the end-to-end principle of the Internet, application delivery networks also facilitates and enhances the movement of application from host to clients through optimization techniques.
Besides providing application visibility, server load balancing and server health monitoring the application delivery controllers in the application delivery network facilitates application acceleration or WAN optimization wherein it works to reduce bandwidth usage by the clients. The ADC’s also work to provide application security in the form of firewall, secure Internet gateways and filters for data loss preventions. The application delivery network solutions have been well accepted and recognized by IT giants, Corporates with large networks and service providers for its matchless performance and value.
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