A Collaborative Cache Strategy in Satellite-Ground Integrated Network Based on Multiaccess Edge Computing

Algorithm 1

Content update algorithm LF.

Input: content requested by the user. , .

Output:.

1: Initialize: .

2: for each requested

3:   

4:   

5:   for each &&

6:      

7:      if ()

8:      ;

9:      if ()

10:         ;

11:         Que.push() by ()‖Que.delete() by PB;

12:    else

13:         ;

14:         ;

15:         ;

16:    end

17:      end

20:   end for

21: end for