RFC 2608 (rfc2608) - Page 2 of 54

Service Location Protocol, Version 2

Alternative Format: Original Text Document


RFC 2608         Service Location Protocol, Version 2          June 1999


        6.2. Use of TCP   . . . . . . . . . . . . . . . . . . . . .   14
        6.3. Retransmission of SLP messages   . . . . . . . . . . .   15
        6.4. Strings in SLP messages  . . . . . . . . . . . . . . .   16
              6.4.1. Scope Lists in SLP . . . . . . . . . . . . . .   16
    7. Errors                                                         17
    8. Required SLP Messages                                          17
        8.1. Service Request  . . . . . . . . . . . . . . . . . . .   19
        8.2. Service Reply  . . . . . . . . . . . . . . . . . . . .   21
        8.3. Service Registration . . . . . . . . . . . . . . . . .   22
        8.4. Service Acknowledgment . . . . . . . . . . . . . . . .   23
        8.5. Directory Agent Advertisement. . . . . . . . . . . . .   24
        8.6. Service Agent Advertisement. . . . . . . . . . . . . .   25
    9. Optional Features                                              26
        9.1. Service Location Protocol Extensions . . . . . . . . .   27
        9.2. Authentication Blocks  . . . . . . . . . . . . . . . .   28
              9.2.1. SLP Message Authentication Rules . . . . . . .   29
              9.2.2. DSA with SHA-1 in Authentication Blocks  . . .   30
        9.3. Incremental Service Registration   . . . . . . . . . .   30
        9.4. Tag Lists  . . . . . . . . . . . . . . . . . . . . . .   31
   10. Optional SLP Messages                                          32
       10.1. Service Type Request   . . . . . . . . . . . . . . . .   32
       10.2. Service Type Reply   . . . . . . . . . . . . . . . . .   32
       10.3. Attribute Request  . . . . . . . . . . . . . . . . . .   33
       10.4. Attribute Reply  . . . . . . . . . . . . . . . . . . .   34
       10.5. Attribute Request/Reply Examples . . . . . . . . . . .   34
       10.6. Service Deregistration   . . . . . . . . . . . . . . .   36
   11. Scopes                                                         37
       11.1. Scope Rules  . . . . . . . . . . . . . . . . . . . . .   37
       11.2. Administrative and User Selectable Scopes. . . . . . .   38
   12. Directory Agents                                               38
       12.1. Directory Agent Rules  . . . . . . . . . . . . . . . .   39
       12.2. Directory Agent Discovery  . . . . . . . . . . . . . .   39
             12.2.1. Active DA Discovery  . . . . . . . . . . . . .   40
             12.2.2. Passive DA Advertising . . . . . . . . . . . .   40
       12.3. Reliable Unicast to DAs and SAs. . . . . . . . . . . .   41
       12.4. DA Scope Configuration   . . . . . . . . . . . . . . .   41
       12.5. DAs and Authentication Blocks. . . . . . . . . . . . .   41
   13. Protocol Timing Defaults                                       42
   14. Optional Configuration                                         43
   15. IANA Considerations                                            44
   16. Internationalization Considerations                            45
   17. Security Considerations                                        46
    A. Appendix:  Changes to the Service Location Protocol from
                  v1 to v2                                            48
    B. Appendix:  Service Discovery by Type:  Minimal SLPv2 Features  48
    C. Appendix:  DAAdverts with arbitrary URLs                       49
    D. Appendix:  SLP Protocol Extensions                             50
        D.1. Required Attribute Missing Option  . . . . . . . . . .   50



Guttman, et al.             Standards Track

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