Service Location Protocol Extensions, Version 2 (SLPv2)
-------------------------------------------------------

See RFC 2608 for the specification of SLPv2 and how it can be
extended.

New SLP Extensions with types in the range 2-65535 may be
registered following review by a Designated Expert.  Please
submit new extension requests to iana@iana.org with
"SVRLOC-Extension Request" in the subject field.

The following is a list of current SLPv2 Extensions.


SLPv2 Extension ID Assignments

ID #    Extension Name                   Contact		Reference
------  --------------			 -------		---------

0x0001  Attribute Missing                Erik Guttman           [RFC2609]
                                         erik.guttman@sun.com
        SAs or DAs which receive a
        SrvReg or SrvRqst which omits
        an attribute which is marked
	'required' in the Service
	Template associated with the 
        service type MAY send this
	extension to warn the message
	sender.

0x0002  Attribute List                   Erik Guttman           [0x0002]
                                         erik.guttman@sun.com
        UAs may request and obtain
        attribute lists along with
	Service Replies.  

0x0003  Vendor Opaque                    Erik Guttman           [0x0003]
                                         erik.guttman@sun.com
        Vendors may attach specific
        extensions to SLP messages
	for their own purposes.

0x0004  Subscribe                        James Kempf            [0x0004]
                                         james.kempf@sun.com
        UAs request DAs inform them
        when services of a particular
        service type and scope appear
	or disappear.                         

0x0005  NotifyAt                         James Kempf            [0x0005] 
                                         james.kempf@sun.com
        DAs inform SAs what service
        types and scopes to multicast
        notifications for, and which
	multicast groups to use.

0x0006  Mesh-enhancement                 Weibin Zhao            [0x0006] 
                                         zwb@cs.columbia.edu
        DA mesh control messages are
        sent as extensions to DAAdvert
        messages between mesh-enhanced
	DAs.


REFERENCES
----------

[RFC2608]  Guttman, E., Perkins, C., Veizades, J., Day, M., 
           "Service Location Protocol, Version 2", RFC 2608, 
           July 1999.

[RFC2609]  Guttman, E., Perkins, C. and J. Kempf, "Service 
           Templates and service: Schemes", RFC 2609, June 1999.

[0x0002]   draft-guttman-svrloc-attrlist-ext-02.txt

[0x0003]   draft-guttman-svrloc-vendor-ext-01.txt

[0x0004]   draft-kempf-svrloc-notify-03.txt 

[0x0005]   draft-kempf-svrloc-notify-03.txt

[0x0006]   draft-zhao-slp-da-interaction-06.txt




(created 10/00)

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