draft-ietf-dnssd-srp-12.txt		draft-ietf-dnssd-srp-13.txt
	Internet Engineering Task Force T. Lemon		Internet Engineering Task Force T. Lemon
	Internet-Draft S. Cheshire		Internet-Draft S. Cheshire
	Intended status: Standards Track Apple Inc.		Intended status: Standards Track Apple Inc.
	Expires: 25 April 2022 22 October 2021		Expires: 26 October 2022 24 April 2022
	Service Registration Protocol for DNS-Based Service Discovery		Service Registration Protocol for DNS-Based Service Discovery
	draft-ietf-dnssd-srp-12		draft-ietf-dnssd-srp-13
	Abstract		Abstract
	The Service Registration Protocol for DNS-Based Service Discovery		The Service Registration Protocol for DNS-Based Service Discovery
	uses the standard DNS Update mechanism to enable DNS-Based Service		uses the standard DNS Update mechanism to enable DNS-Based Service
	Discovery using only unicast packets. This makes it possible to		Discovery using only unicast packets. This makes it possible to
	deploy DNS Service Discovery without multicast, which greatly		deploy DNS Service Discovery without multicast, which greatly
	improves scalability and improves performance on networks where		improves scalability and improves performance on networks where
	multicast service is not an optimal choice, particularly 802.11		multicast service is not an optimal choice, particularly 802.11
	(Wi-Fi) and 802.15.4 (IoT) networks. DNS-SD Service registration		(Wi-Fi) and 802.15.4 (IoT) networks. DNS-SD Service registration
	skipping to change at page 1, line 38 ¶		skipping to change at page 1, line 38 ¶
	Internet-Drafts are working documents of the Internet Engineering		Internet-Drafts are working documents of the Internet Engineering
	Task Force (IETF). Note that other groups may also distribute		Task Force (IETF). Note that other groups may also distribute
	working documents as Internet-Drafts. The list of current Internet-		working documents as Internet-Drafts. The list of current Internet-
	Drafts is at https://datatracker.ietf.org/drafts/current/.		Drafts is at https://datatracker.ietf.org/drafts/current/.
	Internet-Drafts are draft documents valid for a maximum of six months		Internet-Drafts are draft documents valid for a maximum of six months
	and may be updated, replaced, or obsoleted by other documents at any		and may be updated, replaced, or obsoleted by other documents at any
	time. It is inappropriate to use Internet-Drafts as reference		time. It is inappropriate to use Internet-Drafts as reference
	material or to cite them other than as "work in progress."		material or to cite them other than as "work in progress."
	This Internet-Draft will expire on 25 April 2022.		This Internet-Draft will expire on 26 October 2022.
	Copyright Notice		Copyright Notice
	Copyright (c) 2021 IETF Trust and the persons identified as the		Copyright (c) 2022 IETF Trust and the persons identified as the
	document authors. All rights reserved.		document authors. All rights reserved.
	This document is subject to BCP 78 and the IETF Trust's Legal		This document is subject to BCP 78 and the IETF Trust's Legal
	Provisions Relating to IETF Documents (https://trustee.ietf.org/		Provisions Relating to IETF Documents (https://trustee.ietf.org/
	license-info) in effect on the date of publication of this document.		license-info) in effect on the date of publication of this document.
	Please review these documents carefully, as they describe your rights		Please review these documents carefully, as they describe your rights
	and restrictions with respect to this document. Code Components		and restrictions with respect to this document. Code Components
	extracted from this document must include Simplified BSD License text		extracted from this document must include Revised BSD License text as
	as described in Section 4.e of the Trust Legal Provisions and are		described in Section 4.e of the Trust Legal Provisions and are
	provided without warranty as described in the Simplified BSD License.		provided without warranty as described in the Revised BSD License.
	Table of Contents		Table of Contents
	1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 3		1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 3
	2. Service Registration Protocol . . . . . . . . . . . . . . . . 5		2. Service Registration Protocol . . . . . . . . . . . . . . . . 5
	2.1. Protocol Variants . . . . . . . . . . . . . . . . . . . . 5		2.1. Protocol Variants . . . . . . . . . . . . . . . . . . . . 5
	2.1.1. Full-featured Hosts . . . . . . . . . . . . . . . . . 5		2.1.1. Full-featured Hosts . . . . . . . . . . . . . . . . . 5
	2.1.2. Constrained Hosts . . . . . . . . . . . . . . . . . . 6		2.1.2. Constrained Hosts . . . . . . . . . . . . . . . . . . 6
	2.1.3. Why two variants? . . . . . . . . . . . . . . . . . . 6		2.1.3. Why two variants? . . . . . . . . . . . . . . . . . . 6
	2.2. Protocol Details . . . . . . . . . . . . . . . . . . . . 7		2.2. Protocol Details . . . . . . . . . . . . . . . . . . . . 7
End of changes. 5 change blocks.
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