| 摘要 |
A system and method designed to reduce network congestion. In one aspect, a system according to the invention includes a server and two or more clients. Each client has software that runs on the client. The software requires data that is stored at the server. Advantageously, the software maintains a cache for storing the required data after the data is retrieved by the software from the server. Once the required data is in a cache, the software need not retrieve the required data from the server; the software can retrieve the required data from the software's cache. To ensure that the data that is stored in the cache does not become stale and to avoid network overload, the software updates its cache at a random point in time.
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