State of the Art-工I Inter-session nc v Only approximation of bounds [I Exponential number of variables v Code design: NP-hard[5] LP evolutionary approach 1]N. Harvey, et al, "On the Capacity of Information Networks [2JAR Lehman and E Lehman, " Complexity classification of network information flow problems 3]D. Traskov, et al, "Network coding for multiple unicasts: An approach based on linear optimization 4 4]M. Kim, et al, " An evolutionary approach to inter-session network codingInter-Session NC ✓ Only approximation of bounds [1] Exponential number of variables ✓ Code design: NP-hard[5] LP, evolutionary approach 4 State of the Art - II [1] N. Harvey, et al, “On the Capacity of Information Networks” [2] A. R. Lehman and E. Lehman, “Complexity classification of network information flow problems” [3] D. Traskov, et al, “Network coding for multiple unicasts: An approach based on linear optimization” [4] M. Kim, et al, “An evolutionary approach to inter-session network coding