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Chapter 7. Supportive SyncML Components > Complementary DTD Components

Complementary DTD Components

The complementary DTDs of SyncML are the Meta Information DTD and the Device Information DTD. They are used by the protocols based on the usage of the Representation Protocol: the Synchronization Protocol and the Device Management Protocol [SDP02]. The Synchronization Protocol utilizes both the Meta Information DTD and the Device Information DTD. The Device Management Protocol only uses the Meta Information DTD.

Meta Information DTD

The purpose of the Meta Information DTD (MetInf DTD) is to provide a set of markups to be used by the SyncML DTD (i.e. the Representation Protocol) to identify meta-information associated with a SyncML command or a data item. In practice, it is hard to construct fully operational and meaningful SyncML Messages without the MetInf DTD (e.g., the format or type of a data item).


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