Patent ID: 11909712
Assignee: GOOGLE LLC
Field: Digital communication (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 7:
8. The method of claim 1, further comprising:
prior to the data processing hardware of the gateway receiving the packet, encapsulating a data portion of the packet;
prior to the data processing hardware of the gateway communicating the packet to the destination IP address of the client external to the virtual private network, determining, by the data processing hardware, that a validity period of a token associated with the packet is satisfied, the token configured to establish a unidirectional virtual network pair from the first virtual machine to the second virtual machine;
determining, by the data processing hardware, that the validity period for the token is satisfied; and
in response to determining that the validity period for the token is satisfied, de-encapsulating, by the data processing hardware, the encapsulated data portion of the packet.