Patent ID: 8984297
Filing Date: 2015-03-17
Classification: H04L

Abstract:
1. A method for sending messages from a sender node to a receiver node via a network of intermediate nodes, the method comprising the sender node taking the steps of: authenticizing a plurality of packets derived from the messages to be sent to the receiver node; making a transmission attempt according to a protocol P, to send the authenticized packets into the network destined for the receiver node; testing for possible malicious behavior of intermediate nodes during the transmission attempt; upon identification of possible malicious behavior, requesting status reports from the intermediate nodes, wherein the status report from an intermediate node includes authenticized records concerning transfer of said packets to and/or from the intermediate node from and/or to its neighboring nodes; receiving at least some of the requested status reports; identifying at least one intermediate node as malicious based on the received status reports; and eliminating the identified malicious intermediate node from subsequent transmission attempts from the sender node to the receiver node.