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Appendix C Network Fencing
AllowTrafficOutVirtualmachinesinafencedconfigurationcaninitiate
communicationtomachinesoutsidethefenceandcanreceivemessagesbackon
thesameconnection.Machinesoutsidethefencecannotinitiatecommunicationto
virtualmachinesinthefencedconfiguration.
Thisoptionisusefulwhenvirtualmachinesneedtoobtain
dataorexecutecode
outsidethefence(asseenwithWebservicesordatabases)butdonotwantto
receivemessagesthatmaydisrupttesting.SeeFigure C3.
Figure C-3. Allow Traffic Out Fencing Mode
Managed Server system
fenced
network
Managed Server system
configuration
network
VM1
VR