Compression is useful for reducing the size of data. Compression is extremely useful in cases where one needs to transmit data over networks, especially slow and costly networks, such as GPRS connections. One of the new namespaces in version 2.0 of the .NET Framework is System.IO.Compression. This new namespace contains two classes for data compression: DeflateStream and GZipStream. Both compression classes support lossless compression and decompression and are designed for dealing with streams.
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