A Security-Awareness Virtual Machine Management Scheme Based on Chinese Wall Policy in Cloud Computing

Algorithm 2

VMs migration solution calculated algorithm.

input:  𝐴, acir

output:    𝐴

(1) FOR(ℎ[]:𝐴[][])

(2)  FOR(𝑢:ℎ[])

(3)   coVMs[] = getCoVMs (𝑢);

(4)   acirU[] = acir(𝑢);

(5)   confVMs[] = sameElem(cVMs, confU);

(6)   IF(confVMs!=NULL)

(7)     𝑛𝑈= h·num (𝑢);

(8)     nConf = h·num(confVMs);

(9)      IF(𝑛𝑈>nConf.sum())

(10)     cHosts=getCandHosts(𝑢, acir, 𝐴);

(11)     getSolution(𝑢, 𝑛𝑈, cHosts);

(12)     update (𝐴);

(13)    ELSE

(14)     FOR(𝑛𝑐: nConf.user)

(15)      cHosts = getCandHosts(𝑛𝑐, acir, 𝐴);

(16)      getSolution(𝑛𝑐, nConf.num (𝑛𝑐), cHosts);

(17)      update(𝐴);

(18)     ENDFOR

(19)    ENDIF

(20)   ENDIF

(21)  ENFFOR

(22) ENDFOR