Liaison statement
LS on work progress on quantum key distribution network (QKDN) in SG11

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State Posted
Submitted Date 2026-04-01
From Group ITU-T-SG-11
From Contact tsbsg11@itu.int
To Group opsawg
To Contacts Joe Clarke <jclarke@cisco.com>
Benoît Claise <benoit@everything-ops.net>
Cc Benoît Claise <benoit@everything-ops.net>
Joe Clarke <jclarke@cisco.com>
Scott Mansfield <Scott.Mansfield@Ericsson.com>
Mahesh Jethanandani <mjethanandani@gmail.com>
Operations and Management Area Working Group Discussion List <opsawg@ietf.org>
Mohamed Boucadair <mohamed.boucadair@orange.com>
Response Contact tejpal.singh70@gov.in
licheng@caict.ac.cn
Technical Contact tejpal.singh70@gov.in
Action Holder Contacts scott.mansfield@ericsson.com
Purpose For information
Attachments SG11-LS121.pdf
Output - draft new Recommendation Q.QKDNi_KM “Protocols for interfaces between key managers for quantum key distribution network interworking” (Geneva, 3-11 March 2026)
Output - draft new Recommendation Q.QKDN_Mk “Protocols for interfaces on quantum key distribution network manager for quantum key distribution networks” (Geneva, 3-11 March 2026)
Output - draft new Recommendation Q.QKDN_Cq “Protocols for Cq interfaces for quantum key distribution networks” (Geneva, 3-11 March 2026)
Output - draft new Recommendation Q.QKDN_GC “General control protocols for interfaces on quantum key distribution network controller for quantum key distribution networks” (Geneva, 3-11 March 2026)
Output - draft new Recommendation Q.QKDN_Pro-car "Protocols for cryptographic application registration in quantum key distribution networks" (Geneva, 3-11 March 2026)
Body 
See the attachment SG11-LS121.pdf for the status of the QKDN work in SG11.

Also:
1)      SG11-TD996/GEN: Output - draft new Recommendation Q.QKDNi_KM “Protocols
for interfaces between key managers for quantum key distribution network
interworking” (Geneva, 3-11 March 2026).

2)      SG11-TD1000/GEN: Output - draft new Recommendation Q.QKDN_Mk “Protocols
for interfaces on quantum key distribution network manager for quantum key
distribution networks” (Geneva, 3-11 March 2026).

3)      SG11-TD999/GEN: Output - draft new Recommendation Q.QKDN_Cq “Protocols
for Cq interfaces for quantum key distribution networks” (Geneva, 3-11 March
2026).

4)      SG11-TD998/GEN: Output - draft new Recommendation Q.QKDN_GC “General
control protocols for interfaces on quantum key distribution network controller
for quantum key distribution networks” (Geneva, 3-11 March 2026).

5)      SG11-TD997/GEN: Output - draft new Recommendation Q.QKDN_Pro-car
"Protocols for cryptographic application registration in quantum key
distribution networks" (Geneva, 3-11 March 2026).