Reduce Remote Application Response Time With Wan Optimization Controllers

Wikipedia defines WAN Optimization Controllers as a collection of techniques for increasing data-transfer efficiencies across wide-area networks

. The different optimization techniques include compression, latency optimization, forward error correction, caching / proxy, deduplication, traffic shaping, application acceleration, network acceleration equalizing, protocol spoofing, network optimization, connection limits, and simple rate limits. Lets look at some of these techniques to fully understand WAN optimization.

Compression : It refers to compression techniques similar to ZIP, RAR, ARJ etc. These are applied on the fly to data passing through hardware (or virtual machine) based WAN acceleration appliances.

Protocol Optimization : It refers to the use of in-depth protocol knowledge to accelerate user response time.

Network Optimization : This technique helps to keep a network operating at peak efficiency by identifying and resolving data flow barriers.

Caching : A technique that speeds up certain computer operations by temporarily placing data, or a copy of it, in a location where it can be accessed more rapidly than normal.

Traffic Shaping : This technique helps to control data flow for specific applications so that important applications can be given precedence over the WAN.

Deduplication : It eliminates the transfer of redundant data across the WAN by sending references instead of the actual data.

Latency Optimization : It includes TCP refinements such as window-size scaling, selective acknowledgements, Layer 3 congestion control algorithms, and even co-location strategies in which the application is placed in near proximity to the endpoint to reduce latency.

Hence, enterprises must invest in a good WAN optimization appliance that accelerates any type of WAN traffic and excels at maximizing the performance of business-critical enterprise applications.

The following are some of the benefits of deploying a best of breed WAN optimization controller.

Reduces remote application response times and bandwidth utilization by more than 95%

Scalable appliance options supporting from 512Kbps to over 300Mbps

Saves up to 60% in TCO for WAN optimization over 3 years vs. alternative solutions

Up to 98% improvement in perceived throughput and end-user experience

Reduces usage cost of cellular connectivity where users are charged for consumption

Acceleration blueprints reduce application response times by greater than 95%

Improves RTO and RPO and increases backup frequency to reduce risk of data loss

Reduces full data replication times by up to 97% and incremental replication times by up to 94%

Decreases bandwidth requirements and costs

Thus with WAN optimization controllers, enterprises can maximize their inherent scalability and performance without disrupting the customer experience or exposing mission-critical data.

by: Martinlobo

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