Research Article

An Efficient Method for Detecting Supernodes Using Reversible Summary Data Structures in the Distributed Monitoring Systems

Algorithm 1

Updating summary data structures.
Input: initialize Br = , 1 ≤ r ≤ R
Output: the updated B = (B1, B2, …, BH)
(1)for each packet arriving at the monitor r do
(2)  extract its flow label (st, dt)
(3)  compute fi (st), 1 ≤ i ≤ H
(4)  compute hi (dt), 1 ≤ i ≤ H
(5)   ← 1, 1 ≤ i ≤ H, 1 ≤ r ≤ R
(6)end for
(7)Bi[j][k] ← , 1 ≤ i ≤ H