Resource sharing of associated services trails

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For the resource sharing of trails, see User Guide > ASON User Guide > About the ASON > OTN ASON Feature > Resource Sharing of Trails. This topic describes the function, including the resource sharing of the working and protection trails of a diamond service and resource sharing of associated service trails.
You can enable trail resource sharing on the NMS.

Other related questions:
Whether OTU1 services can be created by trail
According to the current product specifications, when the service type is OTUk at the source and sink, client OTUk trails cannot be managed in E2E mode, and OTUk services cannot be created by trail. Instead, they can be created manually by site.

Service association in ASON
Service association is intended for some important services for which protection is required. Different from diamond services, service association allows service add and drop at different sites. Associated silver services with the same source support sharing of associated trails. When one of the associated services is interrupted, the rerouted trail will separate from the associated trail to ensure that the two trails do not completely overlap only when the trail sharing is disabled.

Can the circular DCC and resource-shared DCC interwork
Yes, the circular DCC and resource-shared DCC interwork.

Can I configure resource-share DCC on physical interfaces
No, cannot configure resource-share DCC on physical interfaces.

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