SDN and NFV is the next phase of technology change which will help service provider to launch the services in single click. This is all about the programmability of the networks by using open source software defined network controller.
One of my friend GuruPrasad has sent me a white paper on Cisco IOS Upgrade Management. Document describes the full life cycle of planning and upgradation.Click here to downloadregardsshivlu jain
nice post,& download documents
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