RFC 9665

Service Registration Protocol for DNS-Based Service Discovery, June 2025

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Status:
PROPOSED STANDARD
Authors:
T. Lemon
S. Cheshire
Stream:
IETF
Source:
dnssd (int)

Cite this RFC: TXT  |  XML  |   BibTeX

DOI:  https://doi.org/10.17487/RFC9665

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Abstract

The Service Registration Protocol (SRP) for DNS-based Service Discovery (DNS-SD) uses the standard DNS Update mechanism to enable DNS-SD using only unicast packets. This makes it possible to deploy DNS-SD without multicast, which greatly improves scalability and improves performance on networks where multicast service is not an optimal choice, particularly IEEE 802.11 (Wi-Fi) and IEEE 802.15.4 networks. DNS-SD Service registration uses public keys and SIG(0) to allow services to defend their registrations.


For the definition of Status, see RFC 2026.

For the definition of Stream, see RFC 8729.




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