Security and Communication Networks / 2017 / Article / Alg 4

Research Article

Scalable Node-Centric Route Mutation for Defense of Large-Scale Software-Defined Networks

Algorithm 4

Heuristic route mutation for delay-bounded traffic.
Input:  ; ; ; the accumulative traffic of each node
; the current route of each flow ; ; the initial
; ; and the initial ().
Output:  
(1) Let and .
(2) repeat
(3) Run Steps (3) to (5) of Algorithm 3
(4) for    do
(5) Let .
(6) repeat
(7) Run Steps (9) and (10) of Algorithm 3
(8) Update
;
;
;
(9) until no traffic flow can be further offloaded from
node , or .
(10) end for
(11) until or .

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