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Load Balancer
Wednesday, 7 March 2012
Functions of Application Delivery Controller

To explain in simple terms, an application delivery controller (ADC) is network equipment in a data center. This equipment enables in carrying 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 technical professionals 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. Few other features of the ADC's are as follows:-


* Compression
* Cache
* Connection multiplexing
* Application layer security
* SSL offload
* Content switching combined with fundamental server load balancing


Gartner in a research highlighted that recently, there has been a change in the demand from simple server load balancing equipments to the more innovative solutions, accompanied by maximized functionality, a rich feature set, and an increased focus on effective 
application delivery networking. The reason for this change is the need to enhance reliability, performance, and the manageability of the application delivery platforms. As per Gartner "The era of load balancing is long past, and organizations will be better served to focus their attention on improving the delivery of applications."


Service providers of innovative 
application delivery controllers today help you to make your applications secure, accessible and fast with their product offerings. The new age ADC's are purpose - built to leverage state-of-the-art multi-core processing, 10 Gigabit Ethernet connectivity, energy efficient constituents and hardware acceleration modules. ADC appliances offer industry leading price-performance, functionality, and economies-of-scale from small to global service provider. Other features include the following:-


* Advanced Traffic Management - Refers to Layer 2 - 7 server load balancing, global server load balancing, 
link load balancing, content switching and application routing.
* Application & Data Center Acceleration - Refers to TCP connection multiplexing, SSL Acceleration, high-speed HTTP processing, adaptive compression, dynamic caching
* Network Application & Data Security - Refers to hardened OS and incorporates packet inspection firewall


ADC's are engineered to thrive in the new age data center and they support advanced features that are important for enterprise 
application delivery, visualization, delivery of emerging IP data services and cloud service delivery.



Other Links

Application Security

Site-to-Site VPN


Posted by kelton08 at 3:18 AM EST
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