172.28.128.3
172.28.128.5

  #server
  ./vs_epoll -p 20000 -d 172.28.128.5 -a 10000 -s 172.28.128.3 -l 200 -t 5000000 -i 0 -f 1 -r 20000 -n 1 -w 10 -u 10000 -e 10 -x 1

  #client
  ./vc_epoll -p 20000 -d 172.28.128.3 -a 10000 -s 172.28.128.5 -l 200 -t 50000 -i 1000 -f 1 -r 20000 -n 1 -w 10 -u 10000 -e 10 -x 1

  sudo LD_LIBRARY_PATH=/DMM/stacks/lwip_stack/release/lib64/ ./vs_epoll -p 20000 -d 172.28.128.5 -a 10000 -s 172.28.128.3 -l 200 - t 5000000 -i 0 -f 1 -r 20000 -n 1 -w 10 -u 10000 -e 10 -x 1

sudo LD_LIBRARY_PATH=/DMM/stacks/lwip_stack/release/lib64/ ./vc_common -p 20000 -d 172.28.128.3 -a 10000 -s 172.28.128.5 -l 200 -t 50 -i 0 -f 1 -r 20000 -n 1 -w 10 -u 10000 -e 10 -x 1