What happens to the data packet when device is offline ?

What happens to the data packet when device is offline ?

Out of Order Data 

  • What is OOO or Out of Order Data ?


Out-of-order packet: This occurs when a packet is seen with a Timestamp lower than the previously received packet on that connection. Out of Order Data packets are sent by the devices where the Timestamp of a data packet is less than the timestamp of the last data packet received. 


  • Why do Devices send OOO data packets ?


1. Network Congestion: In situations where there is network congestion or limited bandwidth, data packets from GPS devices may arrive at the server out of order. This can occur when packets are delayed in transit or when they take different routes to reach the server.


2. Device Connection : Sometimes, due to interference or poor signal strength, data packets may get corrupted during transmission. When these packets are received at the server, they might be out of order because some had to be retransmitted or arrived late.


  • What do we do to streamline OOO Data from Devices 


1. Timeline Matching : Once our system identifies any data packet as an OOO data packet, we check whether the data packet is corrupted or not, once our system is confident that the data packet is accurate, we incorporate those data packets to update the vehicle timeline.


2. Reports Update : Once data packets are incorporated into the timeline, the same would be available on the reports. 


Note : Generally we have noticed that reliable OOO data packets can arrive from the last 4 days.


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