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This defect belongs to TI-LFA node protection, where the affected outcome is to protect a traffic flow against failure of the adjacent intermediate node. It is not the direct failure mode identified for the SRv6 VPN decapsulation design in this case: a transit End SID is used expecting to select a customer VRF automatically.

This defect belongs to RSVP fast reroute detour, where the affected outcome is to protect a traffic-engineered LSP locally against a planned link outage. It is not the direct failure mode identified for the SRv6 VPN decapsulation design in this case: a transit End SID is used expecting to select a customer VRF automatically.

This defect belongs to LDP session protection, where the affected outcome is to keep an LDP peer session through a brief loss of direct link connectivity. It is not the direct failure mode identified for the SRv6 VPN decapsulation design in this case: a transit End SID is used expecting to select a customer VRF automatically.

SRv6 locator algorithm 128 instead addresses a different condition: separate a low-delay service routing intent from the normal algorithm-zero locator. It would instead require you to assign an SRv6 locator to Flexible Algorithm 128 with compatible IGP configuration, not the stated goal to reduce IPv6 segment-list header overhead on a compatible SRv6 domain.

RSVP bandwidth reservation instead addresses a different condition: reserve a bounded amount of link bandwidth for an MPLS TE LSP. It would instead require you to signal the required bandwidth and use correct TE admission information, not the stated goal to reduce IPv6 segment-list header overhead on a compatible SRv6 domain.

PCE constrained path computation instead addresses a different condition: delegate constrained SR-TE or MPLS-TE path computation to a path computation entity. It would instead require you to use a PCE-PCC architecture with agreed objectives and topology visibility, not the stated goal to reduce IPv6 segment-list header overhead on a compatible SRv6 domain.

The proposed step is for SRv6 locator algorithm 128, whose purpose is to separate a low-delay service routing intent from the normal algorithm-zero locator. It would not perform the necessary SRv6 micro SID compression operation: use supported micro-segment locator and processing behavior.

The proposed step is for RSVP bandwidth reservation, whose purpose is to reserve a bounded amount of link bandwidth for an MPLS TE LSP. It would not perform the necessary SRv6 micro SID compression operation: use supported micro-segment locator and processing behavior.

The proposed step is for PCE constrained path computation, whose purpose is to delegate constrained SR-TE or MPLS-TE path computation to a path computation entity. It would not perform the necessary SRv6 micro SID compression operation: use supported micro-segment locator and processing behavior.

The observation would verify SRv6 locator algorithm 128 under the separate requirement to separate a low-delay service routing intent from the normal algorithm-zero locator. It does not demonstrate the needed SRv6 micro SID compression result: compact microsegment instructions traverse the programmed node path correctly.

The observation would verify RSVP bandwidth reservation under the separate requirement to reserve a bounded amount of link bandwidth for an MPLS TE LSP. It does not demonstrate the needed SRv6 micro SID compression result: compact microsegment instructions traverse the programmed node path correctly.

The observation would verify PCE constrained path computation under the separate requirement to delegate constrained SR-TE or MPLS-TE path computation to a path computation entity. It does not demonstrate the needed SRv6 micro SID compression result: compact microsegment instructions traverse the programmed node path correctly.

This defect belongs to SRv6 locator algorithm 128, where the affected outcome is to separate a low-delay service routing intent from the normal algorithm-zero locator. It is not the direct failure mode identified for the SRv6 micro SID compression design in this case: a conventional uncompressed SID chain is assumed to provide micro-SID size benefit.

This defect belongs to RSVP bandwidth reservation, where the affected outcome is to reserve a bounded amount of link bandwidth for an MPLS TE LSP. It is not the direct failure mode identified for the SRv6 micro SID compression design in this case: a conventional uncompressed SID chain is assumed to provide micro-SID size benefit.

This defect belongs to PCE constrained path computation, where the affected outcome is to delegate constrained SR-TE or MPLS-TE path computation to a path computation entity. It is not the direct failure mode identified for the SRv6 micro SID compression design in this case: a conventional uncompressed SID chain is assumed to provide micro-SID size benefit.

SR policy color endpoint steering instead addresses a different condition: select the proper intent-based SR policy for a destination using BGP route color. It would instead require you to steer matching colored routes to an SR policy with correct color and endpoint, not the stated goal to attach a segment routing IPv6 outer header to impose an explicit traffic-engineering path.

LDP hello discovery timer resilience instead addresses a different condition: keep an LDP link adjacency stable through brief congestion without hiding real forwarding loss. It would instead require you to coordinate supported LDP hello interval and discovery holdtime settings on both core neighbors, not the stated goal to attach a segment routing IPv6 outer header to impose an explicit traffic-engineering path.

RSVP bandwidth reservation instead addresses a different condition: reserve a bounded amount of link bandwidth for an MPLS TE LSP. It would instead require you to signal the required bandwidth and use correct TE admission information, not the stated goal to attach a segment routing IPv6 outer header to impose an explicit traffic-engineering path.

The proposed step is for SR policy color endpoint steering, whose purpose is to select the proper intent-based SR policy for a destination using BGP route color. It would not perform the necessary SRv6 H.Encaps policy operation: configure SRv6 encapsulation and the correct source and segment list.

The proposed step is for LDP hello discovery timer resilience, whose purpose is to keep an LDP link adjacency stable through brief congestion without hiding real forwarding loss. It would not perform the necessary SRv6 H.Encaps policy operation: configure SRv6 encapsulation and the correct source and segment list.

The proposed step is for RSVP bandwidth reservation, whose purpose is to reserve a bounded amount of link bandwidth for an MPLS TE LSP. It would not perform the necessary SRv6 H.Encaps policy operation: configure SRv6 encapsulation and the correct source and segment list.

The observation would verify SR policy color endpoint steering under the separate requirement to select the proper intent-based SR policy for a destination using BGP route color. It does not demonstrate the needed SRv6 H.Encaps policy result: outer IPv6 packets follow the policy while inner customer traffic remains intact.

The observation would verify LDP hello discovery timer resilience under the separate requirement to keep an LDP link adjacency stable through brief congestion without hiding real forwarding loss. It does not demonstrate the needed SRv6 H.Encaps policy result: outer IPv6 packets follow the policy while inner customer traffic remains intact.

The observation would verify RSVP bandwidth reservation under the separate requirement to reserve a bounded amount of link bandwidth for an MPLS TE LSP. It does not demonstrate the needed SRv6 H.Encaps policy result: outer IPv6 packets follow the policy while inner customer traffic remains intact.

This defect belongs to SR policy color endpoint steering, where the affected outcome is to select the proper intent-based SR policy for a destination using BGP route color. It is not the direct failure mode identified for the SRv6 H.Encaps policy design in this case: an MPLS push operation is used on a path designed for SRv6 encapsulation.

This defect belongs to LDP hello discovery timer resilience, where the affected outcome is to keep an LDP link adjacency stable through brief congestion without hiding real forwarding loss. It is not the direct failure mode identified for the SRv6 H.Encaps policy design in this case: an MPLS push operation is used on a path designed for SRv6 encapsulation.

This defect belongs to RSVP bandwidth reservation, where the affected outcome is to reserve a bounded amount of link bandwidth for an MPLS TE LSP. It is not the direct failure mode identified for the SRv6 H.Encaps policy design in this case: an MPLS push operation is used on a path designed for SRv6 encapsulation.

SRv6 micro SID compression instead addresses a different condition: reduce IPv6 segment-list header overhead on a compatible SRv6 domain. It would instead require you to use supported micro-segment locator and processing behavior, not the stated goal to protect an SR transport link using a loop-free post-convergence backup.

RSVP bandwidth reservation instead addresses a different condition: reserve a bounded amount of link bandwidth for an MPLS TE LSP. It would instead require you to signal the required bandwidth and use correct TE admission information, not the stated goal to protect an SR transport link using a loop-free post-convergence backup.

LDP label binding verification instead addresses a different condition: check the label binding for a specific IGP destination before enabling a VPN. It would instead require you to inspect local and remote LDP bindings and installed labeled forwarding entries, not the stated goal to protect an SR transport link using a loop-free post-convergence backup.

The proposed step is for SRv6 micro SID compression, whose purpose is to reduce IPv6 segment-list header overhead on a compatible SRv6 domain. It would not perform the necessary TI-LFA link repair operation: enable supported topology-independent LFA protection in the IGP.

The proposed step is for RSVP bandwidth reservation, whose purpose is to reserve a bounded amount of link bandwidth for an MPLS TE LSP. It would not perform the necessary TI-LFA link repair operation: enable supported topology-independent LFA protection in the IGP.

The proposed step is for LDP label binding verification, whose purpose is to check the label binding for a specific IGP destination before enabling a VPN. It would not perform the necessary TI-LFA link repair operation: enable supported topology-independent LFA protection in the IGP.