Note: The following is an excerpt from the official IETF RFC. It is provided here as a convenience and is not authoritative. Refer to the original document as the authoritative reference.
Introduction
The Domain Name System'swire protocol includes a number of fixed
fields whose range has been or soon will be exhausted and does not
allow requestors to advertise their capabilities to responders. This
document describes backward-compatible mechanisms for allowing the
protocol to grow.
This document updates the Extension Mechanisms for Domain Name System (DNS) (EDNS(0))
specification (and obsoletes RFC 2671) based on feedback from
deployment experience in several implementations. It also obsoletes
RFC 2673 (“Binary Labels in the Domain Name System”) and adds
considerations on the use of extended labels in the DNS.
dido/public/ra/xapend/xapend.b_stds/tech/ietf/6891.txt · Last modified: 2021/08/18 11:29 by murphy