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Bug #5243

Updated by Junxiao Shi about 2 years ago

As observed "in the wild", **ndncatchunks** is reporting "goodput: 0" despite that "transferred size" is not zero. 

 The producer is running on FABRIC testbed, connected at global NDN testbed Arizona router. 
 The file being retrieved is exactly 1 GiB and has 6 KiB segments. 
 Producer software It is served from NDN-DPDK fileserver with local NDN-DPDK forwarder. fileserver. 

 The consumer is running on a BeagleBone Black, connected at global NDN testbed WUSTL router. single core Cortex-A8 processor. 
 It has NFD 22.02-19-g279af1ce and ndncatchunks 22.02-12-gb97a112. 
 Consumer software is ndncatchunks with local NFD. 

 ```text 
 All segments have been received. 
 Time elapsed: 907.167 seconds 
 Segments received: 174763 
 Transferred size: 1.07374e+06 kB 
 Goodput: 0.000000 bit/s 
 Congestion marks: 0 (caused 0 window decreases) 
 Timeouts: 1699 (caused 335 window decreases) 
 Retransmitted segments: 1471 (0.834686%), skipped: 228 
 RTT min/avg/max = 108.758/165.086/353.639 ms 
 ```

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