Patent ID: 8279864
Filing Date: 2012-10-02
Classification: H04L

Abstract:
1. A method comprising: receiving, at a network device, one or more label switched path (LSP) labels that define one or more quality of service paths through a first network, the one or more LSP labels being received from a second network, the first network being an untrusted network and the second network being a trusted network; receiving, by the network device, data from the second network, the received data to be transmitted through the first network, and the received data including information identifying a particular quality of service; receiving, by the network device and from another network device in the first network, information indicating a connection, associated with the received data, to be established based on the particular quality of service; encrypting, by the network device, the received data after receiving the information indicating the connection to be established; identifying, by the network device, a particular LSP label, of the one or more LSP labels, to apply to the encrypted data, identifying the particular LSP label including mapping the information identifying the particular quality of service to quality of service information associated with the particular LSP label; applying, by the network device, the identified particular LSP label to the encrypted data; and transmitting, by the network device, the encrypted data with the applied particular LSP label through the first network.