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I need to read the RFC closely but we need to consider the roadmap / timeline for supporting SRP in addition to mDNS. I don't know if there is discussion about this transition in the RFC. But we won't be able to drop mDNS for the foreseeable future.
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<div>Smith<br>
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<div>On Jun 12, 2025, at 6:37 AM, Michael Sweet via ipp <ipp@pwg.org> wrote:</div>
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External Email</span></b></font><span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;"></span>
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<div>All,</div>
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<div>FYI, this RFC enables dynamic DNS-SD updates for regular DNS, and I will probably reference it in my next draft of the IPP Everywhere v2.0 specification...</div>
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<div>Begin forwarded message:</div>
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<div style="margin: 0px;"><span style="font-family: -webkit-system-font, "Helvetica Neue", Helvetica, sans-serif;"><b>From:<span class="Apple-converted-space"> </span></b></span><span style="font-family: -webkit-system-font, "Helvetica Neue", Helvetica, sans-serif;"><a href="mailto:rfc-editor@rfc-editor.org">rfc-editor@rfc-editor.org</a><br>
</span></div>
<div style="margin: 0px;"><span style="font-family: -webkit-system-font, "Helvetica Neue", Helvetica, sans-serif;"><b>Subject:<span class="Apple-converted-space"> </span></b></span><span style="font-family: -webkit-system-font, "Helvetica Neue", Helvetica, sans-serif;"><b>[dnssd]
RFC 9665 on Service Registration Protocol for DNS-Based Service Discovery</b><br>
</span></div>
<div style="margin: 0px;"><span style="font-family: -webkit-system-font, "Helvetica Neue", Helvetica, sans-serif;"><b>Date:<span class="Apple-converted-space"> </span></b></span><span style="font-family: -webkit-system-font, "Helvetica Neue", Helvetica, sans-serif;">June
11, 2025 at 9:26:52 PM EDT<br>
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<div style="margin: 0px;"><span style="font-family: -webkit-system-font, "Helvetica Neue", Helvetica, sans-serif;"><b>To:<span class="Apple-converted-space"> </span></b></span><span style="font-family: -webkit-system-font, "Helvetica Neue", Helvetica, sans-serif;"><a href="mailto:ietf-announce@ietf.org">ietf-announce@ietf.org</a>,<span class="Apple-converted-space"> </span><a href="mailto:rfc-dist@rfc-editor.org">rfc-dist@rfc-editor.org</a><br>
</span></div>
<div style="margin: 0px;"><span style="font-family: -webkit-system-font, "Helvetica Neue", Helvetica, sans-serif;"><b>Cc:<span class="Apple-converted-space"> </span></b></span><span style="font-family: -webkit-system-font, "Helvetica Neue", Helvetica, sans-serif;"><a href="mailto:rfc-editor@rfc-editor.org">rfc-editor@rfc-editor.org</a>,<span class="Apple-converted-space"> </span><a href="mailto:drafts-update-ref@iana.org">drafts-update-ref@iana.org</a>,<span class="Apple-converted-space"> </span><a href="mailto:dnssd@ietf.org">dnssd@ietf.org</a><br>
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<div>A new Request for Comments is now available in online RFC libraries.<br>
<br>
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RFC 9665<br>
<br>
Title: Service Registration Protocol for DNS-Based<span class="Apple-converted-space"> </span><br>
Service Discovery<span class="Apple-converted-space"> </span><br>
Author: T. Lemon,<br>
S. Cheshire<br>
Status: Standards Track<br>
Stream: IETF<br>
Date: June 2025<br>
Mailbox: mellon@fugue.com,<br>
cheshire@apple.com<br>
Pages: 36<br>
Updates/Obsoletes/SeeAlso: None<br>
<br>
I-D Tag: draft-ietf-dnssd-srp-25.txt<br>
<br>
URL: <a href="https://www.rfc-editor.org/info/rfc9665">https://www.rfc-editor.org/info/rfc9665</a><br>
<br>
DOI: 10.17487/RFC9665<br>
<br>
The Service Registration Protocol (SRP) for DNS-based Service<br>
Discovery (DNS-SD) uses the standard DNS Update mechanism to enable<br>
DNS-SD using only unicast packets. This makes it possible to deploy<br>
DNS-SD without multicast, which greatly improves scalability and<br>
improves performance on networks where multicast service is not an<br>
optimal choice, particularly IEEE 802.11 (Wi-Fi) and IEEE 802.15.4<br>
networks. DNS-SD Service registration uses public keys and SIG(0) to<br>
allow services to defend their registrations.<br>
<br>
This document is a product of the Extensions for Scalable DNS Service Discovery Working Group of the IETF.<br>
<br>
This is now a Proposed Standard.<br>
<br>
STANDARDS TRACK: This document specifies an Internet Standards Track<br>
protocol for the Internet community, and requests discussion and suggestions<br>
for improvements. Please refer to the current edition of the Official<br>
Internet Protocol Standards (<a href="https://www.rfc-editor.org/standards">https://www.rfc-editor.org/standards</a>) for the<span class="Apple-converted-space"> </span><br>
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________________________<br>
Michael Sweet<br>
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