Does anyone have experience and comments on either CAI Networks WebMux or Array Networks TMX lines?

I'm evaluating about a dozen Load Balancers / Application Delivery vendors and I'm under a budget. Trying to stay under 15K for 2 units. Products like BigIP's line is out of our price range. I've narrowed it down to a few of them. It seems that CAI Networks WebMux line gives you a huge bang for the buck - HTTP Compression, Multiplexing (I'm pretty sure), etc, even in their smallest model. Array Networks gear (looking at the TMX line) seems to provide an ok feature set for the money as well (although more than WebMux). I'm also getting quotes from RadWare but I expect them to be a bit more.

Does anyone have any experience and advice they could pass along regarding these companies and product lines? Any experience with their tech support, updates, performance?

CAI Network WebMux:
http://www.cainetworks.com/products/webmux/load-balancer.htm

Array Networks TMX Line:
http://www.arraynetworks.net/entry.asp?PageID=127
bigdorkAsked:
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CLozConnect With a Mentor Commented:
Features are all nice and thats how a lot of small vendors prompt their products but performance is something you need to worry about with these low end load balancers. The truth behind pricing is performance and uptime.

A couple of things that are important in load balancing are:

Throughput: Can the device handle your traffic load? Many vendors will allow you to do realtime production evaluations.
Latency: What is the latency introduced by the device?
Health Check: What mechinism is used to insure the content delivered by the server is valid?
DOS Defense:  What mechanisms does the device offer to defend again Diniel of Service attacks?
MTBF:  What is their guaranteed uptime on the devices? Do they offer 99.995% or better?  Would your companies loose money every minute or hour this device is down?

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bigdorkAuthor Commented:
You make good point and I've considered most of them. Latency is one I hadn't considered - only because I've given them the benefit of the doubt as it's what these companies do - BUT that being said good idea to find out.

Our clients' budgets for the most part can't justify the cost of f5 BigIP products or even Radware's low end so we are sticking with more mid-range gear.

I appreciate the response and I'll dig a bit more into latency.
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