How to Differentiate WAN Optimization Products

By Marc Goodman  |  Posted 2009-11-03 Print this article Print

How to differentiate WAN optimization products

WAN link controllers, WAN optimization controllers and WAN geographical load balancers are all WAN optimization products. Let's differentiate between the three of them:

1. WAN link controllers: intelligently distribute user traffic among multiple, diverse WAN and ISP links. Advanced products include WAN and ISP link aggregation, automated inbound and outbound load balancing and failover, site-to-site channel bonding, multisite failover, traffic shaping, and built-in VPN and firewall technology.

2. WAN optimization controllers: accelerate applications with caching, compression, wide area file services (WAFS), protocol optimization, quality of service (QOS) and traffic shaping, and other content and application-specific acceleration methods.

3. WAN geographical load balancers: utilize global redirection technologies and health checking to keep users connected. They distribute traffic based on various parameters such as geography, round trip time, site availability and hops.

Marc Goodman is the Director of Marketing at Ecessa. Marc has over 29 years experience in the technology industry, with a history of building industry-leading brands for emerging companies, managing product marketing and marketing communications. Joining Ecessa in 2008, Marc is responsible for leading the company's overall corporate and product marketing. Prior to Ecessa, Marc ran marketing for KEMP Technologies. From 1998 to 2001, Marc served as senior director of marketing at F5 Networks, where he led the marketing organization, developed an industry-leading brand and managed all marketing functions through a successful IPO. Marc has also served in marketing management positions at UBmatrix, Threshold Networks, SPRY/CompuServe, Cogent Networks, Attachmate and Wall Data. He can be reached at

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