"Server Appliances" are a relatively new, fast-growing segment within the Server market. These systems are designed to perform one or two functions very well, without the overhead of a general-purpose server.
Network Appliance (the present NAS leader), and traditional server market leaders Compaq, Dell, IBM, and HP. Strengths CacheFlow For the 5000 series: Throughput: In the Web Polygraph testing, CacheFlow's throughput was 2300 rps (requests/second), tied with Dell. Novell's ICS software caching product yielded 6000, but that was for a clustered system, so it is not an apples-to-apples comparison. [Source: Data Communications magazine] In addition, their response time of 1.49 seconds is quite good.