rfc9831v1.txt		rfc9831.txt
	skipping to change at line 13 ¶		skipping to change at line 13 ¶
	Request for Comments: 9831 C. Filsfils		Request for Comments: 9831 C. Filsfils
	Category: Experimental Cisco Systems		Category: Experimental Cisco Systems
	ISSN: 2070-1721 S. Previdi		ISSN: 2070-1721 S. Previdi
	Huawei Technologies		Huawei Technologies
	P. Mattes		P. Mattes
	Microsoft		Microsoft
	D. Jain		D. Jain
	Google		Google
	August 2025		August 2025
	Segment Routing Segment Types Extensions for BGP SR Policy		Segment Type Extensions for BGP Segment Routing (SR) Policy
	Abstract		Abstract
	This document specifies the signaling of additional Segment Routing		This document specifies the signaling of additional Segment Routing
	(SR) Segment Types for SR Policies in BGP using the SR Policy		(SR) Segment Types for SR Policies in BGP using the SR Policy
	Subsequent Address Family Identifier (SAFI).		Subsequent Address Family Identifier (SAFI).
	Status of This Memo		Status of This Memo
	This document is not an Internet Standards Track specification; it is		This document is not an Internet Standards Track specification; it is
	skipping to change at line 59 ¶		skipping to change at line 59 ¶
	to this document. Code Components extracted from this document must		to this document. Code Components extracted from this document must
	include Revised BSD License text as described in Section 4.e of the		include Revised BSD License text as described in Section 4.e of the
	Trust Legal Provisions and are provided without warranty as described		Trust Legal Provisions and are provided without warranty as described
	in the Revised BSD License.		in the Revised BSD License.
	Table of Contents		Table of Contents
	1. Introduction		1. Introduction
	1.1. Requirements Language		1.1. Requirements Language
	2. Segment Type Sub-TLVs		2. Segment Type Sub-TLVs
	2.1. Segment Type C: SR-MPLS Prefix SID for IPv4		2.1. Segment Type C
	2.2. Segment Type D: SR-MPLS Prefix SID for IPv6		2.2. Segment Type D
	2.3. Segment Type E: SR-MPLS Adjacency SID for IPv4 with an		2.3. Segment Type E
	Interface ID		2.4. Segment Type F
	2.4. Segment Type F: SR-MPLS Adjacency SID for IPv4 with an		2.5. Segment Type G
	Interface Address		2.6. Segment Type H
	2.5. Segment Type G: SR-MPLS Adjacency SID for IPv6 with an		2.7. Segment Type I
	Interface ID		2.8. Segment Type J
	2.6. Segment Type H: SR-MPLS Adjacency SID for IPv6 with an		2.9. Segment Type K
	Interface Address
	2.7. Segment Type I: SRv6 END SID as IPv6 Node Address
	2.8. Segment Type J: SRv6 END.X SID as an Interface ID
	2.9. Segment Type K: SRv6 END.X SID as an Interface Address
	2.10. SR Policy Segment Flags		2.10. SR Policy Segment Flags
	3. IANA Considerations		3. IANA Considerations
	3.1. SR Policy Segment List Sub-TLVs		3.1. SR Policy Segment List Sub-TLVs
	3.2. SR Policy Segment Flags		3.2. SR Policy Segment Flags
	4. Security Considerations		4. Security Considerations
	5. Manageability Considerations		5. Manageability Considerations
	6. Normative References		6. Normative References
	Acknowledgments		Acknowledgments
	Authors' Addresses		Authors' Addresses
	skipping to change at line 151 ¶		skipping to change at line 147 ¶
	Type K: IPv6 Addresses for link endpoints as Local, Remote pair for		Type K: IPv6 Addresses for link endpoints as Local, Remote pair for
	SRv6		SRv6
	[RFC9830] specifies Segment Type Sub-TLVs for the Segment Types A and		[RFC9830] specifies Segment Type Sub-TLVs for the Segment Types A and
	B. The following subsections specify the sub-TLVs used for encoding		B. The following subsections specify the sub-TLVs used for encoding
	each of the other Segment Types above.		each of the other Segment Types above.
	As specified in Sections 2.4.4 and 2.4.4.2 of [RFC9830], validation		As specified in Sections 2.4.4 and 2.4.4.2 of [RFC9830], validation
	of an explicit path encoded by the Segment List sub-TLV is beyond the		of an explicit path encoded by the Segment List sub-TLV is beyond the
	scope of BGP and performed by the Segment Routing Policy Module		scope of BGP and performed by the Segment Routing Policy Module
	(SRPM) as described in Section 5 of [RFC9256]. As specified in		(SRPM) as described in Section 5 of [RFC9830]. As specified in
	Section 5.1 of [RFC9256], a mix of SR-MPLS and SRv6 segments make the		Section 5.1 of [RFC9256], a mix of SR-MPLS and SRv6 segments make the
	segment-list invalid.		segment-list invalid.
	2.1. Segment Type C: SR-MPLS Prefix SID for IPv4		2.1. Segment Type C
	The Type C Segment sub-TLV encodes an IPv4 node address, SR		The Type C Segment sub-TLV encodes an IPv4 node address, SR
	Algorithm, and an optional SR-MPLS Segment Identifier (SID). The		Algorithm, and an optional SR-MPLS Segment Identifier (SID). The
	format is as follows:		format is as follows:
	0 1 2 3		0 1 2 3
	0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1		0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| Type | Length | Flags | SR Algorithm |		| Type | Length | Flags | SR Algorithm |
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	skipping to change at line 196 ¶		skipping to change at line 192 ¶
	[RFC9830] as described in Section 4 of [RFC9256]. When the A-Flag		[RFC9830] as described in Section 4 of [RFC9256]. When the A-Flag
	is not set, this field MUST be set to zero on transmission and		is not set, this field MUST be set to zero on transmission and
	MUST be ignored on receipt.		MUST be ignored on receipt.
	IPv4 Node Address: A 4-octet IPv4 address representing a node.		IPv4 Node Address: A 4-octet IPv4 address representing a node.
	SR-MPLS SID: Optional. A 4-octet field containing a label, Traffic		SR-MPLS SID: Optional. A 4-octet field containing a label, Traffic
	Class (TC), bottom-of-stack (S), and TTL as defined for Segment		Class (TC), bottom-of-stack (S), and TTL as defined for Segment
	Type A [RFC9830].		Type A [RFC9830].
	2.2. Segment Type D: SR-MPLS Prefix SID for IPv6		2.2. Segment Type D
	The Type D Segment sub-TLV encodes an IPv6 node address, SR		The Type D Segment sub-TLV encodes an IPv6 node address, SR
	Algorithm, and an optional SR-MPLS SID. The format is as follows:		Algorithm, and an optional SR-MPLS SID. The format is as follows:
	0 1 2 3		0 1 2 3
	0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1		0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| Type | Length | Flags | SR Algorithm |		| Type | Length | Flags | SR Algorithm |
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	// IPv6 Node Address (16 octets) //		// IPv6 Node Address (16 octets) //
	skipping to change at line 235 ¶		skipping to change at line 231 ¶
	Section 2.10 is set. The SR Algorithm is used by the SRPM		Section 2.10 is set. The SR Algorithm is used by the SRPM
	[RFC9830] as described in Section 4 of [RFC9256]. When the A-Flag		[RFC9830] as described in Section 4 of [RFC9256]. When the A-Flag
	is not set, this field MUST be set to zero on transmission and		is not set, this field MUST be set to zero on transmission and
	MUST be ignored on receipt.		MUST be ignored on receipt.
	IPv6 Node Address: A 16-octet IPv6 address representing a node.		IPv6 Node Address: A 16-octet IPv6 address representing a node.
	SR-MPLS SID: Optional. A 4-octet field containing a label, TC, S,		SR-MPLS SID: Optional. A 4-octet field containing a label, TC, S,
	and TTL as defined for Segment Type A [RFC9830].		and TTL as defined for Segment Type A [RFC9830].
	2.3. Segment Type E: SR-MPLS Adjacency SID for IPv4 with an Interface		2.3. Segment Type E
	ID
	The Type E Segment sub-TLV encodes an IPv4 node address, a local		The Type E Segment sub-TLV encodes an IPv4 node address, a local
	interface Identifier (Local Interface ID), and an optional SR-MPLS		interface Identifier (Local Interface ID), and an optional SR-MPLS
	SID. The format is as follows:		SID. The format is as follows:
	0 1 2 3		0 1 2 3
	0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1		0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| Type | Length | Flags | RESERVED |		| Type | Length | Flags | RESERVED |
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	skipping to change at line 269 ¶		skipping to change at line 264 ¶
	Length: Specifies the length of the value field (i.e., not including		Length: Specifies the length of the value field (i.e., not including
	Type and Length fields) in terms of octets. The value MUST be 14		Type and Length fields) in terms of octets. The value MUST be 14
	when the SR-MPLS SID is present; else, it MUST be 10.		when the SR-MPLS SID is present; else, it MUST be 10.
	Flags: 1 octet of flags as defined in Section 2.10.		Flags: 1 octet of flags as defined in Section 2.10.
	RESERVED: 1 octet of reserved bits. This field MUST be set to zero		RESERVED: 1 octet of reserved bits. This field MUST be set to zero
	on transmission and MUST be ignored on receipt.		on transmission and MUST be ignored on receipt.
	Local Interface ID: 4 octets of interface index of local interface		Local Interface ID: 4 octets carrying the interface index of the
	(refer to TLV 258 of [RFC9552]).		local interface (refer to TLV 258 of [RFC9552]).
	IPv4 Node Address: A 4-octet IPv4 address representing a node.		IPv4 Node Address: A 4-octet IPv4 address representing a node.
	SR-MPLS SID: Optional. A 4-octet field containing a label, TC, S,		SR-MPLS SID: Optional. A 4-octet field containing a label, TC, S,
	and TTL as defined for Segment Type A [RFC9830].		and TTL as defined for Segment Type A [RFC9830].
	2.4. Segment Type F: SR-MPLS Adjacency SID for IPv4 with an Interface		2.4. Segment Type F
	Address
	The Type F Segment sub-TLV encodes an adjacency local address, an		The Type F Segment sub-TLV encodes an adjacency local address, an
	adjacency remote address, and an optional SR-MPLS SID. The format is		adjacency remote address, and an optional SR-MPLS SID. The format is
	as follows:		as follows:
	0 1 2 3		0 1 2 3
	0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1		0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| Type | Length | Flags | RESERVED |		| Type | Length | Flags | RESERVED |
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	skipping to change at line 320 ¶		skipping to change at line 314 ¶
	Local IPv4 Address: A 4-octet IPv4 address representing the local		Local IPv4 Address: A 4-octet IPv4 address representing the local
	link address of the node.		link address of the node.
	Remote IPv4 Address: A 4-octet IPv4 address representing the link		Remote IPv4 Address: A 4-octet IPv4 address representing the link
	address of the neighbor node.		address of the neighbor node.
	SR-MPLS SID: Optional. A 4-octet field containing a label, TC, S,		SR-MPLS SID: Optional. A 4-octet field containing a label, TC, S,
	and TTL as defined for Segment Type A [RFC9830].		and TTL as defined for Segment Type A [RFC9830].
	2.5. Segment Type G: SR-MPLS Adjacency SID for IPv6 with an Interface		2.5. Segment Type G
	ID
	The Type G Segment sub-TLV encodes an IPv6 link-local adjacency with		The Type G Segment sub-TLV encodes an IPv6 link-local adjacency with
	an IPv6 local node address, a local interface identifier (Local		an IPv6 local node address, a local interface identifier (Local
	Interface ID), an IPv6 remote node address, a remote interface		Interface ID), an IPv6 remote node address, a remote interface
	identifier (Remote Interface ID), and an optional SR-MPLS SID. The		identifier (Remote Interface ID), and an optional SR-MPLS SID. The
	format is as follows:		format is as follows:
	0 1 2 3		0 1 2 3
	0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1		0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	skipping to change at line 378 ¶		skipping to change at line 371 ¶
	when the local node address and interface identifiers are		when the local node address and interface identifiers are
	sufficient to describe the link.		sufficient to describe the link.
	IPv6 Remote Node Address: A 16-octet IPv6 address. The value MAY be		IPv6 Remote Node Address: A 16-octet IPv6 address. The value MAY be
	set to zero when the local node address and interface identifiers		set to zero when the local node address and interface identifiers
	are sufficient to describe the link.		are sufficient to describe the link.
	SR-MPLS SID: Optional. A 4-octet field containing a label, TC, S,		SR-MPLS SID: Optional. A 4-octet field containing a label, TC, S,
	and TTL as defined for Segment Type A [RFC9830].		and TTL as defined for Segment Type A [RFC9830].
	2.6. Segment Type H: SR-MPLS Adjacency SID for IPv6 with an Interface		2.6. Segment Type H
	Address
	The Type H Segment sub-TLV encodes an adjacency local address, an		The Type H Segment sub-TLV encodes an adjacency local address, an
	adjacency remote address, and an optional SR-MPLS SID. The format is		adjacency remote address, and an optional SR-MPLS SID. The format is
	as follows:		as follows:
	0 1 2 3		0 1 2 3
	0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1		0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| Type | Length | Flags | RESERVED |		| Type | Length | Flags | RESERVED |
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	skipping to change at line 421 ¶		skipping to change at line 413 ¶
	Local IPv6 Address: A 16-octet IPv6 address representing the local		Local IPv6 Address: A 16-octet IPv6 address representing the local
	link address of the node.		link address of the node.
	Remote IPv6 Address: A 16-octet IPv6 address representing the link		Remote IPv6 Address: A 16-octet IPv6 address representing the link
	address of the neighbor node.		address of the neighbor node.
	SR-MPLS SID: Optional. A 4-octet field containing a label, TC, S,		SR-MPLS SID: Optional. A 4-octet field containing a label, TC, S,
	and TTL as defined for Segment Type A [RFC9830].		and TTL as defined for Segment Type A [RFC9830].
	2.7. Segment Type I: SRv6 END SID as IPv6 Node Address		2.7. Segment Type I
	The Type I Segment sub-TLV encodes an IPv6 node address, an SR		The Type I Segment sub-TLV encodes an IPv6 node address, an SR
	Algorithm, and an optional SRv6 SID. The format is as follows:		Algorithm, and an optional SRv6 SID. The format is as follows:
	0 1 2 3		0 1 2 3
	0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1		0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| Type | Length | Flags | SR Algorithm |		| Type | Length | Flags | SR Algorithm |
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	// IPv6 Node Address (16 octets) //		// IPv6 Node Address (16 octets) //
	skipping to change at line 470 ¶		skipping to change at line 462 ¶
	is not set, this field MUST be set to zero on transmission and		is not set, this field MUST be set to zero on transmission and
	MUST be ignored on receipt.		MUST be ignored on receipt.
	IPv6 Node Address: A 16-octet IPv6 address representing the node.		IPv6 Node Address: A 16-octet IPv6 address representing the node.
	SRv6 SID: Optional. A 16-octet IPv6 address. The value 0 MAY be		SRv6 SID: Optional. A 16-octet IPv6 address. The value 0 MAY be
	used when the controller wants to indicate the desired SRv6		used when the controller wants to indicate the desired SRv6
	Endpoint Behavior or SID Structure without specifying the SID.		Endpoint Behavior or SID Structure without specifying the SID.
	SRv6 Endpoint Behavior and SID Structure: Optional, as defined in		SRv6 Endpoint Behavior and SID Structure: Optional, as defined in
	Section 2.4.4.2.4 of [RFC9830]. The SRv6 Endpoint Behavior and		Section 2.4.4.2.4 of [RFC9830]. The SRv6 Endpoint Behavior or SID
	SID Structure MUST NOT be included when the SRv6 SID has not been		Structure MUST NOT be included when the SRv6 SID has not been
	included.		included.
	TLV 10 defined for the advertisement of Segment Type I in the early		TLV 10 defined for the advertisement of Segment Type I in the early
	draft versions of [RFC9830] has been deprecated to avoid backward-		draft versions of [RFC9830] has been deprecated to avoid backward-
	compatibility issues.		compatibility issues.
	2.8. Segment Type J: SRv6 END.X SID as an Interface ID		2.8. Segment Type J
	The Type J Segment sub-TLV encodes an IPv6 link-local adjacency with		The Type J Segment sub-TLV encodes an IPv6 link-local adjacency with
	a local node address, a local interface identifier (Local Interface		a local node address, a local interface identifier (Local Interface
	ID), a remote IPv6 node address, a remote interface identifier		ID), a remote IPv6 node address, a remote interface identifier
	(Remote Interface ID), and an optional SRv6 SID. The format is as		(Remote Interface ID), and an optional SRv6 SID. The format is as
	follows:		follows:
	0 1 2 3		0 1 2 3
	0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1		0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	skipping to change at line 557 ¶		skipping to change at line 549 ¶
	SRv6 Endpoint Behavior and SID Structure: Optional, as defined in		SRv6 Endpoint Behavior and SID Structure: Optional, as defined in
	Section 2.4.4.2.4 of [RFC9830]. The SRv6 Endpoint Behavior and		Section 2.4.4.2.4 of [RFC9830]. The SRv6 Endpoint Behavior and
	SID Structure MUST NOT be included when the SRv6 SID has not been		SID Structure MUST NOT be included when the SRv6 SID has not been
	included.		included.
	TLV 11 defined for the advertisement of Segment Type J in the early		TLV 11 defined for the advertisement of Segment Type J in the early
	draft versions of [RFC9830] has been deprecated to avoid backward-		draft versions of [RFC9830] has been deprecated to avoid backward-
	compatibility issues.		compatibility issues.
	2.9. Segment Type K: SRv6 END.X SID as an Interface Address		2.9. Segment Type K
	The Type K Segment sub-TLV encodes an adjacency local address, an		The Type K Segment sub-TLV encodes an adjacency local address, an
	adjacency remote address, and an optional SRv6 SID. The format is as		adjacency remote address, and an optional SRv6 SID. The format is as
	follows:		follows:
	0 1 2 3		0 1 2 3
	0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1		0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	| Type | Length | Flags | SR Algorithm |		| Type | Length | Flags | SR Algorithm |
	+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+		+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	skipping to change at line 675 ¶		skipping to change at line 667 ¶
	3.1. SR Policy Segment List Sub-TLVs		3.1. SR Policy Segment List Sub-TLVs
	IANA has allocated the following code points from the "SR Policy		IANA has allocated the following code points from the "SR Policy
	Segment List Sub-TLVs" registry [RFC9830] under the "Border Gateway		Segment List Sub-TLVs" registry [RFC9830] under the "Border Gateway
	Protocol (BGP) Tunnel Encapsulation" registry group.		Protocol (BGP) Tunnel Encapsulation" registry group.
	+=======+========================+===========+		+=======+========================+===========+
	| Value | Description | Reference |		| Value | Description | Reference |
	+=======+========================+===========+		+=======+========================+===========+
	| 3 | Segment Type C sub-TLV | RFC 9831 |		| 3 | Type C Segment sub-TLV | RFC 9831 |
	+-------+------------------------+-----------+		+-------+------------------------+-----------+
	| 4 | Segment Type D sub-TLV | RFC 9831 |		| 4 | Type D Segment sub-TLV | RFC 9831 |
	+-------+------------------------+-----------+		+-------+------------------------+-----------+
	| 5 | Segment Type E sub-TLV | RFC 9831 |		| 5 | Type E Segment sub-TLV | RFC 9831 |
	+-------+------------------------+-----------+		+-------+------------------------+-----------+
	| 6 | Segment Type F sub-TLV | RFC 9831 |		| 6 | Type F Segment sub-TLV | RFC 9831 |
	+-------+------------------------+-----------+		+-------+------------------------+-----------+
	| 7 | Segment Type G sub-TLV | RFC 9831 |		| 7 | Type G Segment sub-TLV | RFC 9831 |
	+-------+------------------------+-----------+		+-------+------------------------+-----------+
	| 8 | Segment Type H sub-TLV | RFC 9831 |		| 8 | Type H Segment sub-TLV | RFC 9831 |
	+-------+------------------------+-----------+		+-------+------------------------+-----------+
	| 14 | Segment Type I sub-TLV | RFC 9831 |		| 14 | Type I Segment sub-TLV | RFC 9831 |
	+-------+------------------------+-----------+		+-------+------------------------+-----------+
	| 15 | Segment Type J sub-TLV | RFC 9831 |		| 15 | Type J Segment sub-TLV | RFC 9831 |
	+-------+------------------------+-----------+		+-------+------------------------+-----------+
	| 16 | Segment Type K sub-TLV | RFC 9831 |		| 16 | Type K Segment sub-TLV | RFC 9831 |
	+-------+------------------------+-----------+		+-------+------------------------+-----------+
	Table 1: SR Policy Segment List Code Points		Table 1: SR Policy Segment List Code Points
	3.2. SR Policy Segment Flags		3.2. SR Policy Segment Flags
	IANA has allocated code points from the "SR Policy Segment Flags"		IANA has allocated code points from the "SR Policy Segment Flags"
	registry [RFC9830] under the "Border Gateway Protocol (BGP) Tunnel		registry [RFC9830] under the "Border Gateway Protocol (BGP) Tunnel
	Encapsulation" registry group.		Encapsulation" registry group.
End of changes. 23 change blocks.
	41 lines changed or deleted		33 lines changed or added
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