Application Delivery Controller For Fast And Secure Applications

Availability failure and slow response times introduced by wide area networks and

internet traffic have the capacity to hinder applications from their productivity enhancing potential. There are many common web and network enabled application platforms are fragile and unstable and suffer from performance problems despite the best efforts of application developers. Application Delivery Controllers (ADCs) have arisen from the need to enhance the performance and reliability of traditional web applications. To prevent missed opportunities, a tarnished corporate image and a financial drain, application infrastructure must always be on, running at low-latency, and providing an uncompromised user experience. Application Delivery Controller uses various features to enhance the performance, consistency, security and ease-of-management of networked services, while also helping to manage the infrastructure.

An application delivery controller (ADC) carries out daily tasks performed by websites in an attempt to eliminate the load out of the web servers. It is placed between the router/firewall and web farm. Some call a ADC as a new age load balancer as they offer innovative features, such as advanced routing strategies, content manipulation, organized sever health controlling and many others. The application delivery controller is a single entry point to all applications and its acts as a gateway. An ADC can apply simple as well as sophisticated policies. It can not only check if protocol messages are formed well, but also filter out attack signatures and validate requests against known problems with the back-end infrastructure. The ADC filters and authenticates responses as they pass through the network.

Efficient ADC solutions monitor heavy traffic loads on busy servers and re-route data to servers with less traffic, preventing crashes and keeping traffic flowing. It can improve the capacity of service by load balancing traffic across a number of servers. With the help of session persistence, user sessions can be tracked, and load balancing directs each request to the fastest server at that instance to ensure that applications are not designed to be clustered.

Investing in an ADC solution can help in reducing server infrastructure, reducing network bandwidth. An efficient solution will help deliver a strong ROI and also have a comprehensive and flexible rule set ensures identity-based access and authorization when accessing banking, stock trading and e-commerce applications. Service providers of innovative application delivery controllers today help you to make your applications secure, accessible and fast with their product offerings. ADC appliances offer industry leading price-performance, functionality, and economies-of-scale from small to global service provider.

by: Martinlobo

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