Network device and error handling

A network device comprising:

• a processor;
• a receiver configured to receive a sequence of packets in a data stream representing a video encoded therein in units of slices, wherein each slice includes a slice header;
• and
• an error handler implemented on the processor and configured to:
• (i) identify a lost packet in the sequence of packets,
• (ii) identify a first packet after the lost packet in the sequence of packets based on error resilience data within the sequence of packets, wherein the first packet includes data of a first slice, and
• (iii) identify, based on the error resilience data, a second packet of the sequence of packets, wherein the second packet is not lost and is sequential to the first packet in the sequence of packets and includes the slice header of the first slice carried by the first packet, wherein the error resilience data indicates a packet number of the second packet.