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3.1.4.1.1.2 Compression Algorithm

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Based on the Compressed flag in the Flags field that is passed in the RPC_HEADER_EXT structure, as specified in section 2.2.2.1, of the extended buffer, the payload data is compressed or decompressed by the server and client by using the Lempel-Ziv 1977 (LZ77) compression algorithm, as specified in [UASDC], and the DIRECT2 encoding algorithm.

The LZ77 compression algorithm is specified in section 3.1.4.1.1.2.1 and its subsections. The basic encoding algorithm DIRECT2 is specified in section 3.1.4.1.1.2.2 and its subsections.