Patent ID: 11956145
Assignee: VERSA NETWORKS, INC.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A method to route traffic through a software-defined wide area network (SD-WAN) between a first hub and a second hub, the method comprising:
receiving a sequence of packets from a first client at the first hub, the sequence of packets each having a same flow;
facilitating a secure tunnel between the first hub and the second hub;
assigning a first flow identifier to the sequence of packets of the flow;
encapsulating a first start packet of the sequence of packets in a wrapper, the wrapper including the first flow identifier;
sending the encapsulated first start packet of the sequence of packets from the first hub to the second hub through the secure tunnel;
receiving an error message from the second hub, the error message including the first flow identifier and an error code;
facilitating the secure tunnel again between the first hub and the second hub in response to receiving the error message;
assigning a second flow identifier to the sequence of packets;
encapsulating a second start packet of the sequence of packets in a wrapper, the wrapper including the second flow identifier; and
sending the encapsulated second start packet of the sequence of packets from the first hub to the second hub through the secure tunnel;
further comprising:
converting fields of a header of a third packet of the sequence of packets to a header format that has fewer bytes to form a reduced third packet;
encapsulating the reduced third packet in a wrapper that includes the second flow identifier; and
sending the encapsulated reduced third packet from the first hub to the second hub through the secure tunnel.