2.8 Compressed OAB Version 2 or OAB Version 3 File

 The server compresses OAB version 2 and OAB version 3 files<8> before transferring them to the client. A compressed file starts with a header and then a sequence of compressed blocks. The server compresses all OAB version 2 and OAB version 3 files the same way. For more information about the compression of OAB version 2 and OAB version 3 files, see [MS-MCI].

A compressed OAB version 2 or OAB version 3 file is structured as the following ABNF definition illustrates.

 v2-compressed-file       =    MDI_HDR 1*MDI_BLK