What is good practice to capture data from multiple sources to avoid 
duplication of packets.
I mean if we have multiple network points (e.g. routers) and capture data from 
every of these points how to avoid duplication of packets.
According to Metron' PCAP docs PCAP topology just stores data from Kafka topic 
to HDFS.
Is it possible to detects and skip duplicates, stitch packets and do other 
Or the best way to do it in the beginning (send only unique packets) to Kafka 
or in post-processing.

Thank you

- Vladimir

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