Patent ID: 9569512
Date: 2017-02-14
CPC Classifications: G06F

Claim:
1. A method using a computer for the replication of at least one data item in the form of at least one fragment between a source system and at least one destination system, the source system and the at least one destination system being communicatively coupled to each other by a communication link, the method implemented in the source system comprising: calculating a signature of the at least one fragment of the at least one data item to be replicated; determining an indication of origin of the at least one data item; transmitting the signature along with the indication of origin of the at least one data item to the at least one destination system; and upon receiving a message from the at least one destination system, in response to the transmission of the signature, indicating that the at least one signature is unknown, transmitting the at least one fragment to the at least one destination system such that the fragment is only transmitted to the at least one destination system when the signature is considered unknown.