Request Switching and Connection Multiplexing
NetScaler's fundamental performance secret is a patented traffic handling technique called Request Switching. It allows the NetScaler to decouple Layer 7 protocol requests from TCP connections. This allows for a more granular load balancing by making decisions for each individual Layer 7 request.
NetScaler combines Request Switching with Connection Multiplexing. Connection Multiplexing is a technique where warm connections are maintained with each of the Servers using Keep-Alives. The result is that server side connections are already scaled up to maximum speed/window size. The NetScaler then multiplexes requests from several client side connections and potentially several users to a single server ...
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