Technique for Reducing Resources Allocated to an Existing Reservation in a Data Network

A method comprising:

• receiving an error message associated with an existing aggregate reservation of resources in a data network, wherein the existing aggregate reservation is associated with a plurality of reservations and the error message indicates that part of the resources of the existing aggregate reservation is being preempted;
• selecting one or more reservations in the plurality of reservations associated with the aggregate reservation;
• and
• generating a teardown message for each of the selected reservations.

An apparatus comprising:

• an interface configured to receive an error message associated with an existing aggregate reservation of resources in a data network, wherein the existing aggregate reservation is associated with a plurality of reservations and the error message indicates that part of the resources of the existing aggregate reservation is being preempted;
• memory;
• and
• a processor coupled to the memory configured to select one or more reservations in the plurality of reservations associated with the aggregate reservation, and generate a teardown message for each of the selected reservations.

An apparatus comprising:

• means for receiving an error message associated with an existing aggregate reservation of resources in a data network, wherein the existing aggregate reservation is associated with a plurality of reservations and the error message indicates that part of the resources of the existing aggregate reservation is being preempted;
• means for selecting one or more reservations in the plurality of reservations associated with the aggregate reservation;
• and
• means for generating a teardown message for each of the selected reservations.