Method for Service Interface Encoding to Achieve Secure and Robust Network-to-Network Interface

A first core node, comprising:

• an input interface for receiving traffic, the input interface being configured to be an ingress port to a transport subnetwork;
• an output interface for transmitting traffic;
• a switch for communicating the traffic from the input interface to the output interface;
• and
• a control module having circuitry for controlling the input interface, the output interface, and the switch, the circuitry of the control module configured to:
• receive a service request message, the service request message including information indicative of:
• a first unique identifier of the ingress port of the first core node;
• a second unique identifier of an egress port of a second core node within a transport subnetwork including the input interface the second core node;
• and
• a requested transport path bandwidth;
• determine, by the circuitry of the first core node, a transport path through the transport subnetwork between the ingress port of the first core node and the egress port of the second core node based on the service request message;
• and
• form the transport path between the ingress port of the first core node and the egress port of the second core node.

A computer system comprising:

• a processor configured to receive a service request message including information indicative of:
• a first unique identifier of an ingress port of a first core node, the first core node being within a transport subnetwork;
• a second unique identifier of an egress port of a second core node within the transport subnetwork;
• and
• a requested transport path bandwidth;
• and
• also configured to determine a transport path through the transport subnetwork between the ingress port of the first core node and the egress port of the second core node based on the service request message and form the transport path between the ingress port of the first core node and the egress port of the second core node.