KVM over ip or Service Processor?

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http://forums.fedoraforum.org – I'm going to install fedora onto multiple servers ( probably 3 ) by network booting, using the PXE protocol. All of this will be done on my home network on a table. I'll send the finished product to the datacenter for hosting. I've been reading that a kvm over ip switch might be better and less expensive because each service processor will have licensing fees for its firmware and need it's own connection. That means 3 separate connects with 3 separate ip's to manage them - while kvm over ip will need only one connection. The goal with all of this is to be able to install the operating system (HowTos)