Where does ProxySG object caching generally result in the most bandwidth savings?

ProxySG object caching is primarily designed to optimize data transfer between clients and servers, ultimately reducing bandwidth consumption. The most significant savings occur on the server side because when a ProxySG appliance caches an object, subsequent requests for that object do not require the server to send the same data repeatedly. Instead, the ProxySG retrieves the object from its cache, efficiently serving it to multiple clients without involving the server each time.

This caching mechanism minimizes the load on the server, allowing it to handle additional requests and reducing the overall data sent over the internet. Since the server does not need to resend cached content to the ProxySG, there is a substantial decrease in bandwidth usage between the server and the ProxySG appliance.

While bandwidth savings may also occur on the client side due to reduced latency and quicker response times from the cache, the principal advantage in bandwidth reduction is realized on the server side, where repeated data transfers are eliminated. The network side, while important, is not where the most significant savings are manifested, as it mainly involves the pathway the data travels rather than the efficiency gained from caching on servers.