An ADC is not just a LB with more features
Joined: 22 Jan 2009
Posted: 04 Oct 2010 at 3:40pm
jetNEXUS have been developing Application delivery devices for some time now and have continually been trying to convince network managers to separate Application delivery from Packet delivery.
Many network engineers seem to struggle with this concept. The old perception is that ADC’s are like load balancers with an upgrade. They tend to look like switches, containing loads of network sockets with cat 5 hanging out all over the place; basically an evolved switch.
Whilst it may be true that the modern Application Delivery Controller does indeed contain much of the functionality of a traditional load balancer, it is however architecturally different. Most modern Application Delivery Controllers have high speed networking ports that connect to switches. They are more like proxies than intelligent switches.
Application Delivery Controllers are not switches or routers. Design your packet delivery network then build your application delivery network on top of it.
Let the network take care of the packet delivery and the ADC take care of the application delivery.
Feel free to comment and share your views....
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