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RFC 9242
Title: Intermediate Exchange in the Internet
Key Exchange Protocol Version 2 (IKEv2)
Author: V. Smyslov
Status: Standards Track
Stream: IETF
Date: May 2022
Mailbox: [email protected]
Pages: 14
Updates/Obsoletes/SeeAlso: None
I-D Tag: draft-ietf-ipsecme-ikev2-intermediate-10.txt
URL: https://www.rfc-editor.org/info/rfc9242
DOI: 10.17487/RFC9242
This document defines a new exchange, called "Intermediate Exchange",
for the Internet Key Exchange Protocol Version 2 (IKEv2). This
exchange can be used for transferring large amounts of data in the
process of IKEv2 Security Association (SA) establishment. An example
of the need to do this is using key exchange methods resistant to
Quantum Computers (QCs) for IKE SA establishment. The Intermediate
Exchange makes it possible to use the existing IKE fragmentation
mechanism (which cannot be used in the initial IKEv2 exchange),
helping to avoid IP fragmentation of large IKE messages if they need
to be sent before IKEv2 SA is established.
This document is a product of the IP Security Maintenance and Extensions
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
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