RFC 9460 on Service Binding and Parameter Specification via the DNS (SVCB and HTTPS Resource Records)
rfc-editor@rfc-editor.org Mon, 06 November 2023 22:00 UTC
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Subject: RFC 9460 on Service Binding and Parameter Specification via the DNS (SVCB and HTTPS Resource Records)
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Date: Mon, 06 Nov 2023 13:59:46 -0800
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A new Request for Comments is now available in online RFC libraries. RFC 9460 Title: Service Binding and Parameter Specification via the DNS (SVCB and HTTPS Resource Records) Author: B. Schwartz, M. Bishop, E. Nygren Status: Standards Track Stream: IETF Date: November 2023 Mailbox: ietf@bemasc.net, mbishop@evequefou.be, erik+ietf@nygren.org Pages: 47 Updates/Obsoletes/SeeAlso: None I-D Tag: draft-ietf-dnsop-svcb-https-12.txt URL: https://www.rfc-editor.org/info/rfc9460 DOI: 10.17487/RFC9460 This document specifies the "SVCB" ("Service Binding") and "HTTPS" DNS resource record (RR) types to facilitate the lookup of information needed to make connections to network services, such as for HTTP origins. SVCB records allow a service to be provided from multiple alternative endpoints, each with associated parameters (such as transport protocol configuration), and are extensible to support future uses (such as keys for encrypting the TLS ClientHello). They also enable aliasing of apex domains, which is not possible with CNAME. The HTTPS RR is a variation of SVCB for use with HTTP (see RFC 9110, "HTTP Semantics"). By providing more information to the client before it attempts to establish a connection, these records offer potential benefits to both performance and privacy. This document is a product of the Domain Name System Operations Working Group of the IETF. This is now a Proposed Standard. STANDARDS TRACK: This document specifies an Internet Standards Track protocol for the Internet community, and requests discussion and suggestions for improvements. Please refer to the current edition of the Official Internet Protocol Standards (https://www.rfc-editor.org/standards) for the standardization state and status of this protocol. Distribution of this memo is unlimited. This announcement is sent to the IETF-Announce and rfc-dist lists. To subscribe or unsubscribe, see https://www.ietf.org/mailman/listinfo/ietf-announce https://mailman.rfc-editor.org/mailman/listinfo/rfc-dist For searching the RFC series, see https://www.rfc-editor.org/search For downloading RFCs, see https://www.rfc-editor.org/retrieve/bulk Requests for special distribution should be addressed to either the author of the RFC in question, or to rfc-editor@rfc-editor.org. Unless specifically noted otherwise on the RFC itself, all RFCs are for unlimited distribution. The RFC Editor Team Association Management Solutions, LLC