(RFC 5222 published August 2008, subtype last updated August 2008) MIME media type name: application MIME subtype name: lost+xml Mandatory parameters: none Optional parameters: charset Indicates the character encoding of enclosed XML. Encoding considerations: Uses XML, which can employ 8-bit characters, depending on the character encoding used. See RFC 3023 [5], Section 3.2. Security considerations: This content type is designed to carry LoST protocol payloads. Interoperability considerations: None Published specification: RFC 5222 Applications that use this media type: Emergency and location-based systems Additional information: Magic Number: None File Extension: .lostxml Macintosh file type code: 'TEXT' Personal and email address for further information: Hannes Tschofenig, Hannes.Tschofenig&nsn.com Intended usage: LIMITED USE Author: This specification is a work item of the IETF ECRIT working group, with mailing list address . Change controller: The IESG