CONTENTS

 1     Scope          
 2     Normative references           
        2.1     Identical Recommendations | International Standards   
        2.2     Additional references 
 3     Definitions 
        3.1     Imported definitions   
        3.2     Additional definitions  
 4     Abbreviations and acronyms              
 5     OID resolution system architecture  
        5.1     OID resolution process              
        5.2     Interactions between components in the general OID resolution process              
 6     DNS zone files for the .oid-res.org domain    
        6.1     Overview        
        6.2     Requirements and restrictions on DNS zone files in the .oid-res.org domain          
        6.3     Use of DNS resource records for ORS services  
        6.4     Security considerations             
 7     Operation of an ORS client  
        7.1     Functional interfaces  
        7.2     Processing a query      
        7.3     Converting an OID-IRI value to an FQDN            
        7.4     Processing DNS results              
        7.5     Security considerations             
 8     Requirements on ORS service specifications  
        8.1     Specification of NAPTR information      
        8.2     Recommendations for ORS application processing         
Annex A – Assigned ORS service types    
Annex B – Specification of the OID canonicalization (COID) ORS service    
Annex C  Specification of the child information (CINF) ORS service    
        C.1     General           
        C.2     CINF XML file 
Annex D – Specification of the registration information (RINF) ORS service    
        D.1     General           
        D.2     RINF XML file
Annex E – Specification of the module information (MINF) ORS service    
Annex F – Description of use cases    
        F.1     OID canonicalization (COID) ORS service             
        F.2     Child information (CINF) ORS service    
        F.3     Registration information (RINF) ORS service      
        F.4     Module information (MINF) ORS service             
Annex G – Examples of ORS operation    
        G.1     Example of DNS zone files for the ORS
        G.2     Examples of NAPTR resource records  
Annex H – History of object identifiers (OIDs)    
Annex I – Bibliography