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2.2 Message Syntax

The SSDP: Networked Home Entertainment Devices (NHED) Extensions MUST follow the Simple Service Discovery Protocol discovery advertisement messages syntax, as specified in [UPNPARCH1] section 1.1, with the following exceptions:

  • The LOCATION header MUST contain the single character "*".

  • The AL header (as specified by [SSDP1]) is required and MUST contain a list of URIs ([RFC3986]), with each URI framed by the characters "<" and ">".

The SSDP: Networked Home Entertainment Devices (NHED) Extensions SHOULD NOT implement the Simple Service Discovery Protocol discovery search messages syntax as specified in [UPNPARCH1] section 1.2.