Sometimes unreliable networks can damage or lose optical packets. Retransmission is a procedure to repair damaged packets by resending them over the network and using checksums to ensure the reliability of the data. [1]


Related Links

Patent: Data Retransimssion For Atmospheric Free Space Optical Communication System

IEEE Article: Retransmission Schemes for Lossless Transparent Optical Packet Switching in Large-Scale Datacentre Networks