Security and Communication Networks / 2017 / Article / Alg 2

Research Article

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

Algorithm 2

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 (10) of Algorithm 1.
(4) substitute , , , , , and into the EMD problem (4a), (4b), (4c), (4d), (4e), and (4f)
incorporating (5), and solve the problem optimally using the binary branch and bound/cut method;
(5) update
;
;
;
(6) until   stops changing; or in other words, .

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