rfc9731v2.txt		rfc9731.txt
	skipping to change at line 12 ¶		skipping to change at line 12 ¶
	Internet Engineering Task Force (IETF) Y. Lee, Ed.		Internet Engineering Task Force (IETF) Y. Lee, Ed.
	Request for Comments: 9731 Samsung Electronics		Request for Comments: 9731 Samsung Electronics
	Category: Standards Track D. Dhody, Ed.		Category: Standards Track D. Dhody, Ed.
	ISSN: 2070-1721 Huawei		ISSN: 2070-1721 Huawei
	D. Ceccarelli		D. Ceccarelli
	Cisco		Cisco
	I. Bryskin		I. Bryskin
	Individual		Individual
	B. Yoon		B. Yoon
	ETRI		ETRI
	February 2025		March 2025
	A YANG Data Model for Virtual Network (VN) Operations		A YANG Data Model for Virtual Network (VN) Operations
	Abstract		Abstract
	A Virtual Network (VN) is a network provided by a service provider to		A Virtual Network (VN) is a network provided by a service provider to
	a customer for the customer to use in any way it wants as though it		a customer for the customer to use in any way it wants as though it
	were a physical network. This document provides a YANG data model		were a physical network. This document provides a YANG data model
	generally applicable to any mode of VN operations. This includes VN		generally applicable to any mode of VN operations. This includes VN
	operations as per the Abstraction and Control of TE Networks (ACTN)		operations as per the Abstraction and Control of TE Networks (ACTN)
	skipping to change at line 87 ¶		skipping to change at line 87 ¶
	7. Security Considerations		7. Security Considerations
	8. IANA Considerations		8. IANA Considerations
	9. References		9. References
	9.1. Normative References		9.1. Normative References
	9.2. Informative References		9.2. Informative References
	Appendix A. Performance Constraints		Appendix A. Performance Constraints
	Appendix B. JSON Example		Appendix B. JSON Example
	B.1. VN JSON		B.1. VN JSON
	B.2. TE Topology JSON		B.2. TE Topology JSON
	Acknowledgments		Acknowledgments
	Contributors' Addresses		Contributors
	Authors' Addresses		Authors' Addresses
	1. Introduction		1. Introduction
	Abstraction and Control of TE Networks (ACTN) describes a set of		Abstraction and Control of TE Networks (ACTN) describes a set of
	management and control functions used to operate one or more Traffic		management and control functions used to operate one or more Traffic
	Engineered (TE) networks to construct a Virtual Network (VN). A VN		Engineered (TE) networks to construct a Virtual Network (VN). A VN
	is represented to customers and is built from the abstractions of the		is represented to customers and is built from the abstractions of the
	underlying TE networks [RFC8453]. This document provides a YANG data		underlying TE networks [RFC8453]. This document provides a YANG data
	model [RFC7950] generally applicable to any mode of VN operation.		model [RFC7950] generally applicable to any mode of VN operation.
	skipping to change at line 553 ¶		skipping to change at line 553 ¶
	Matrix on one | matrices/tet:connectivity-matrix |		Matrix on one | matrices/tet:connectivity-matrix |
	abstract node and|---------------------------------------->|		abstract node and|---------------------------------------->|
	constraints in | |		constraints in | |
	the conn. matrix)| HTTP 200 |		the conn. matrix)| HTTP 200 |
	|<----------------------------------------|		|<----------------------------------------|
	| |		| |
	| |		| |
	CNC calls RPC to | RPC /vn compute |		CNC calls RPC to | RPC /vn compute |
	compute the VN |---------------------------------------->|		compute the VN |---------------------------------------->|
	as per the | |		as per the | |
	refered TE-Topo | |		referred TE-Topo | |
	| |		| |
	| HTTP 200 (Computed VN) |		| HTTP 200 (Computed VN) |
	|<----------------------------------------|		|<----------------------------------------|
	| |		| |
	Figure 9: VN Compute with Reference to TE Toplogy YANG Data Model		Figure 9: VN Compute with Reference to TE Topology YANG Data Model
	The VN compute RPC allows the optional inclusion of the constraints		The VN compute RPC allows the optional inclusion of the constraints
	and the optimization criteria at the VN as well as at the individual		and the optimization criteria at the VN as well as at the individual
	VN-member level. Thus, the RPC can be used independently to get the		VN-member level. Thus, the RPC can be used independently to get the
	computed VN result without creating an abstract topology first.		computed VN result without creating an abstract topology first.
	+--------+ +--------+		+--------+ +--------+
	| CNC | | MDSC |		| CNC | | MDSC |
	+--------+ +--------+		+--------+ +--------+
	| |		| |
	skipping to change at line 2509 ¶		skipping to change at line 2509 ¶
	Thanks to:		Thanks to:
	* Andy Bierman for the YANGDIR review.		* Andy Bierman for the YANGDIR review.
	* Darren Dukes and Susan Hares for the RTGDIR review.		* Darren Dukes and Susan Hares for the RTGDIR review.
	* Behcet Sarikaya for the GENART review.		* Behcet Sarikaya for the GENART review.
	* Bo Wu for the OPSDIR review.		* Bo Wu for the OPSDIR review.
	* Shivan Sahib for the SECDIR review.		* Shivan Sahib for the SECDIR review.
	* Deb Cooley, Francesca Palombini, Gunter Van de Velde, and Mahesh		* Deb Cooley, Francesca Palombini, Gunter Van de Velde, and Mahesh
	Jethanandani for the IESG review.		Jethanandani for the IESG review.
	Contributors' Addresses		Contributors
	Qin Wu		Qin Wu
	Huawei Technologies		Huawei Technologies
	Email: bill.wu@huawei.com		Email: bill.wu@huawei.com
	Peter Park		Peter Park
	KT		KT
	Email: peter.park@kt.com		Email: peter.park@kt.com
	Haomian Zheng		Haomian Zheng
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