Which component acts as a temporary storage system in MDDS?

The correct answer, cache, serves as a temporary storage system in a Managed Data Distribution Service (MDDS). A cache is designed to store frequently accessed data in a way that can be quickly retrieved, thereby improving the speed and efficiency of data processing. By holding this data temporarily, a cache helps minimize latency and reduces the load on primary data sources, as data can be fetched from the cache instead of requiring a longer retrieval process from the original source.

In the context of MDDS, the cache plays a crucial role in enabling swift access to data, which is essential for applications that rely on real-time information. This is especially important in environments where data needs to be rapidly disseminated to users or systems, as it enhances the overall performance of the data distribution service.

The other components mentioned serve different functions within the data distribution framework. For instance, the feed handler typically manages the flow of incoming data, the distributor is responsible for directing data to various targets, and the WAN gateway facilitates communication between networks. Each plays a significant role in the overall functioning of MDDS, but they do not specifically provide temporary storage like a cache does.