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SRv6 core path instruction instead addresses a different condition: steer provider packets along an IPv6 segment list without MPLS label transport. It would instead require you to use an SRv6 policy with suitable locators and segment identifiers on supported devices, not the stated goal to link exactly two customer sites with a point-to-point Ethernet service.

application hosting placement instead addresses a different condition: run a telemetry processing service close to a provider router with available hosting support. It would instead require you to place the approved application in the platform-supported hosting environment, not the stated goal to link exactly two customer sites with a point-to-point Ethernet service.

uniform MPLS QoS instead addresses a different condition: carry a consistent class treatment across IP-to-MPLS transitions. It would instead require you to apply a uniform QoS mapping that propagates classification between IP and MPLS domains, not the stated goal to link exactly two customer sites with a point-to-point Ethernet service.

The proposed step is for SRv6 core path instruction, whose purpose is to steer provider packets along an IPv6 segment list without MPLS label transport. It would not perform the necessary metro Ethernet E-Line isolation operation: provision an E-Line Ethernet virtual circuit between the specified UNI endpoints.

The proposed step is for application hosting placement, whose purpose is to run a telemetry processing service close to a provider router with available hosting support. It would not perform the necessary metro Ethernet E-Line isolation operation: provision an E-Line Ethernet virtual circuit between the specified UNI endpoints.

The proposed step is for uniform MPLS QoS, whose purpose is to carry a consistent class treatment across IP-to-MPLS transitions. It would not perform the necessary metro Ethernet E-Line isolation operation: provision an E-Line Ethernet virtual circuit between the specified UNI endpoints.

The observation would verify SRv6 core path instruction under the separate requirement to steer provider packets along an IPv6 segment list without MPLS label transport. It does not demonstrate the needed metro Ethernet E-Line isolation result: the two authorized UNIs exchange customer frames while a third UNI has no participation.

The observation would verify application hosting placement under the separate requirement to run a telemetry processing service close to a provider router with available hosting support. It does not demonstrate the needed metro Ethernet E-Line isolation result: the two authorized UNIs exchange customer frames while a third UNI has no participation.

The observation would verify uniform MPLS QoS under the separate requirement to carry a consistent class treatment across IP-to-MPLS transitions. It does not demonstrate the needed metro Ethernet E-Line isolation result: the two authorized UNIs exchange customer frames while a third UNI has no participation.

This defect belongs to SRv6 core path instruction, where the affected outcome is to steer provider packets along an IPv6 segment list without MPLS label transport. It is not the direct failure mode identified for the metro Ethernet E-Line isolation design in this case: a multipoint service unintentionally bridges an unrelated customer endpoint.

This defect belongs to application hosting placement, where the affected outcome is to run a telemetry processing service close to a provider router with available hosting support. It is not the direct failure mode identified for the metro Ethernet E-Line isolation design in this case: a multipoint service unintentionally bridges an unrelated customer endpoint.

This defect belongs to uniform MPLS QoS, where the affected outcome is to carry a consistent class treatment across IP-to-MPLS transitions. It is not the direct failure mode identified for the metro Ethernet E-Line isolation design in this case: a multipoint service unintentionally bridges an unrelated customer endpoint.

This concern applies to SRv6 core path instruction in a different scenario where operators need to steer provider packets along an IPv6 segment list without MPLS label transport. For the deployed metro Ethernet E-Line isolation approach, the relevant caution is instead that provider handoff QoS and fault domains remain subject to the service contract.

This concern applies to application hosting placement in a different scenario where operators need to run a telemetry processing service close to a provider router with available hosting support. For the deployed metro Ethernet E-Line isolation approach, the relevant caution is instead that provider handoff QoS and fault domains remain subject to the service contract.

This concern applies to uniform MPLS QoS in a different scenario where operators need to carry a consistent class treatment across IP-to-MPLS transitions. For the deployed metro Ethernet E-Line isolation approach, the relevant caution is instead that provider handoff QoS and fault domains remain subject to the service contract.

PON access contention instead addresses a different condition: attach residential endpoints over a shared passive optical access tree. It would instead require you to provision the required PON optical line termination and per-subscriber access allocation, not the stated goal to increase transport capacity on existing fiber without laying another strand.

customer edge ACL anti-spoof instead addresses a different condition: permit only delegated customer source prefixes at a provider access boundary. It would instead require you to apply an ingress ACL matching the customer's assigned source address space, not the stated goal to increase transport capacity on existing fiber without laying another strand.

MACsec provider handoff instead addresses a different condition: encrypt traffic directly across supported Ethernet links between managed devices. It would instead require you to establish MACsec connectivity associations and key management on both handoff peers, not the stated goal to increase transport capacity on existing fiber without laying another strand.

The proposed step is for PON access contention, whose purpose is to attach residential endpoints over a shared passive optical access tree. It would not perform the necessary DWDM wavelength capacity operation: add an engineered optical wavelength channel within the supported DWDM spectrum.

The proposed step is for customer edge ACL anti-spoof, whose purpose is to permit only delegated customer source prefixes at a provider access boundary. It would not perform the necessary DWDM wavelength capacity operation: add an engineered optical wavelength channel within the supported DWDM spectrum.

The proposed step is for MACsec provider handoff, whose purpose is to encrypt traffic directly across supported Ethernet links between managed devices. It would not perform the necessary DWDM wavelength capacity operation: add an engineered optical wavelength channel within the supported DWDM spectrum.

The observation would verify PON access contention under the separate requirement to attach residential endpoints over a shared passive optical access tree. It does not demonstrate the needed DWDM wavelength capacity result: optical channel power and coherent receiver status establish the new wavelength path.

The observation would verify customer edge ACL anti-spoof under the separate requirement to permit only delegated customer source prefixes at a provider access boundary. It does not demonstrate the needed DWDM wavelength capacity result: optical channel power and coherent receiver status establish the new wavelength path.

The observation would verify MACsec provider handoff under the separate requirement to encrypt traffic directly across supported Ethernet links between managed devices. It does not demonstrate the needed DWDM wavelength capacity result: optical channel power and coherent receiver status establish the new wavelength path.

This defect belongs to PON access contention, where the affected outcome is to attach residential endpoints over a shared passive optical access tree. It is not the direct failure mode identified for the DWDM wavelength capacity design in this case: a new IP route appears but no optical circuit is lit or received.

This defect belongs to customer edge ACL anti-spoof, where the affected outcome is to permit only delegated customer source prefixes at a provider access boundary. It is not the direct failure mode identified for the DWDM wavelength capacity design in this case: a new IP route appears but no optical circuit is lit or received.

This defect belongs to MACsec provider handoff, where the affected outcome is to encrypt traffic directly across supported Ethernet links between managed devices. It is not the direct failure mode identified for the DWDM wavelength capacity design in this case: a new IP route appears but no optical circuit is lit or received.

This concern applies to PON access contention in a different scenario where operators need to attach residential endpoints over a shared passive optical access tree. For the deployed DWDM wavelength capacity approach, the relevant caution is instead that the optical budget and amplifier spacing still bound reach.

This concern applies to customer edge ACL anti-spoof in a different scenario where operators need to permit only delegated customer source prefixes at a provider access boundary. For the deployed DWDM wavelength capacity approach, the relevant caution is instead that the optical budget and amplifier spacing still bound reach.

This concern applies to MACsec provider handoff in a different scenario where operators need to encrypt traffic directly across supported Ethernet links between managed devices. For the deployed DWDM wavelength capacity approach, the relevant caution is instead that the optical budget and amplifier spacing still bound reach.