rfc9914v6.txt   rfc9914.txt 
skipping to change at line 1898 skipping to change at line 1898
Track ingress; the P-DAO message contains a new VIO that installs a Track ingress; the P-DAO message contains a new VIO that installs a
strict or a loose sequence of hops to form a Track segment or a strict or a loose sequence of hops to form a Track segment or a
protection path, respectively. protection path, respectively.
The Projected DAO Request (P-DAO-REQ) is a new message detailed in The Projected DAO Request (P-DAO-REQ) is a new message detailed in
Section 5.1. As per Section 6 of [RPL], if a node receives this Section 5.1. As per Section 6 of [RPL], if a node receives this
message and it does not understand this new code, it discards the message and it does not understand this new code, it discards the
message. When the Root initiates communication to a node that it has message. When the Root initiates communication to a node that it has
not communicated with before and that it has not ascertained to not communicated with before and that it has not ascertained to
implement this specification (by means such as capabilities), then implement this specification (by means such as capabilities), then
the Root SHOULD request a P-DAO Request Acknowledgment (PDR-ACK). the Root SHOULD request a Projected DAO Request Acknowledgment (PDR-
ACK).
A P-DAO-REQ message enables a Track ingress to request the Track from A P-DAO-REQ message enables a Track ingress to request the Track from
the Root. The resulting Track is also a DODAG for which the Track the Root. The resulting Track is also a DODAG for which the Track
ingress is the Root, and the owner is the address that serves as the ingress is the Root, and the owner is the address that serves as the
DODAGID and is authoritative for the associated namespace from which DODAGID and is authoritative for the associated namespace from which
the TrackID is selected. In the context of this specification, the the TrackID is selected. In the context of this specification, the
installed route appears as a more-specific route to the Track installed route appears as a more-specific route to the Track
Targets, and the Track ingress forwards the packets toward the Targets, and the Track ingress forwards the packets toward the
Targets via the Track using normal longest match IP forwarding. Targets via the Track using normal longest match IP forwarding.
skipping to change at line 3737 skipping to change at line 3738
+------------+----------------------+-----------+ +------------+----------------------+-----------+
Table 24: Initial P-DAO-REQ Flags Table 24: Initial P-DAO-REQ Flags
11.5. RPL Control Codes 11.5. RPL Control Codes
IANA has updated the "RPL Control Codes" registry under the "Routing IANA has updated the "RPL Control Codes" registry under the "Routing
Protocol for Low Power and Lossy Networks (RPL)" registry group Protocol for Low Power and Lossy Networks (RPL)" registry group
[IANA-RPL] as indicated in Table 25: [IANA-RPL] as indicated in Table 25:
+======+========================================+===========+ +======+================================================+===========+
| Code | Description | Reference | | Code | Description | Reference |
+======+========================================+===========+ +======+================================================+===========+
| 0x09 | Projected DAO Request (P-DAO-REQ) | RFC 9914 | | 0x09 | Projected DAO Request (P-DAO-REQ) | RFC 9914 |
+------+----------------------------------------+-----------+ +------+------------------------------------------------+-----------+
| 0x0A | P-DAO Request Acknowledgment (PDR-ACK) | RFC 9914 | | 0x0A | Projected DAO Request | RFC 9914 |
+------+----------------------------------------+-----------+ | | Acknowledgment (PDR-ACK) | |
+------+------------------------------------------------+-----------+
Table 25: New RPL Control Codes Table 25: New RPL Control Codes
11.6. RPL Control Message Options 11.6. RPL Control Message Options
IANA has updated the "RPL Control Message Options" registry under the IANA has updated the "RPL Control Message Options" registry under the
"Routing Protocol for Low Power and Lossy Networks (RPL)" registry "Routing Protocol for Low Power and Lossy Networks (RPL)" registry
group [IANA-RPL] as indicated in Table 26: group [IANA-RPL] as indicated in Table 26:
+=======+==============================================+===========+ +=======+==============================================+===========+
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(DAO) Flag (DAO) Flag
11.14. Destination Advertisement Object Acknowledgment Flag 11.14. Destination Advertisement Object Acknowledgment Flag
IANA has updated the "Destination Advertisement Object (DAO) IANA has updated the "Destination Advertisement Object (DAO)
Acknowledgment Flags" registry, created in Section 20.12 of [RPL], Acknowledgment Flags" registry, created in Section 20.12 of [RPL],
under the "Routing Protocol for Low Power and Lossy Networks (RPL)" under the "Routing Protocol for Low Power and Lossy Networks (RPL)"
registry group [IANA-RPL] as indicated in Table 32 (see more in registry group [IANA-RPL] as indicated in Table 32 (see more in
Section 4.1.2): Section 4.1.2):
+============+========================+===========+ +============+==================================+===========+
| Bit Number | Capability Description | Reference | | Bit Number | Capability Description | Reference |
+============+========================+===========+ +============+==================================+===========+
| 1 | Projected DAO-ACK (P) | RFC 9914 | | 1 | Projected DAO Acknowledgment (P) | RFC 9914 |
+------------+------------------------+-----------+ +------------+----------------------------------+-----------+
Table 32: New Destination Advertisement Object Table 32: New Destination Advertisement Object
Acknowledgment Flag Acknowledgment Flag
11.15. ICMPv6 Error Code 11.15. ICMPv6 Error Code
In some cases, RPL will return an ICMPv6 error message when a message In some cases, RPL will return an ICMPv6 error message when a message
cannot be forwarded along a P-Route. cannot be forwarded along a P-Route.
Per this specification, IANA has updated the "Type 1 - Destination Per this specification, IANA has updated the "Type 1 - Destination
 End of changes. 3 change blocks. 
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