SS-Drop: A Novel Message Drop Policy to Enhance Buffer Management in Delay Tolerant Networks

Algorithm 2

Algorithm of sub-NS.

 Input = 𝐼𝑆_𝑖,.𝑋_𝑖

1: 𝑆((𝑆_𝑖.𝑋_𝑖)

2: if ((^𝑆_𝑖 +1^𝑋_𝑖 +1) > ^𝐼𝑆_𝑖) then

3:  Drop 𝑋_𝑖 +1

4:  Enqueue 𝑋_𝑖

5: end if