One reader, Jouni Pohjola, told me a university in Finland increased news download speed from 5 articles per second to 68 by deploying NetCache. But other vendors state they do not see market demand. Streaming media is on every vendor's horizon, but expect differences in packaging. InfoLibria markets companion product streaming multimedia server, MediaMall. CacheFlow intends to embed streaming media support in CacheOS, making it a standard feature of the base product.
Forward proxies require client config, so many ISPs prefer transparent mode.
All of these products can be deployed with a layer 4 switch for transparent caching. We found the most thorough config info on third-party switch and router redirection at CacheFlow. NICS products had the most granular acceleration controls, including load distribution across back-end servers with identical content and response header rewriting. No All of these caches can share workload in a hierarchy as an ICP child, peer, or parent. Beyond this, we found diversity.