1：

procedure fetch-content (R)

2：

for each relay peer p_r ∈ R do

3：

send the content url to the first relay peer in R

4：

if p_r can get the content from server and relay to requesting peer p_s then

5：

break

6：

else

7：

try the next relay peer in R

8：

end if

9：

end for

10：

end procedure