node_service_description

{
"doc_type":                "service_description",        // the literal "node_description"
                                                // required, immutable
"doc_version":                "0.10.0",        // the literal for the current version -- "0.10.0"
                                        // required, immutable
"doc_scope":                "node",                // the literal "node"
                                        // required, immutable
"active":                boolean,        // is the service active
                                        // required, mutable from T to F only
"service_id":                "string",                // id of the service, required
// unique within scope of the LR
// immutable
"service_type":                "string",                // fixed vocabulary ["publish", "access", 
// "distribute", "broker", "administrative"]
// required, immutable
        "service_name":                "string",                // name of the service, optional
        "service_description":        "string",                // description of the service, optional
        "service_version":        "string",                // version number of the service description, required
                                                // version is local to the Learning Registry
                                                // not the version of some underlying spec for the service
        "service_endpoint":        "string",                // URL of service, required
        "service_auth":                "string",                 // fixed vocabulary ["public"]
                                                // required, mutable from public to a stronger auth
        "service_data":                {},                // service-specific name-value pairs
                                                // optional
        }