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SDN and Virtualization. Why Virtualize. Sharing Large resources shared across multiple users Isolation CIA Aggregation Smaller resources combined to offer large virtual resource – RAID? Flexibility Accommodate dynamic demand requirements Manageability
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SDN and Virtualization Software Defined Networks
Why Virtualize • Sharing • Large resources shared across multiple users • Isolation • CIA • Aggregation • Smaller resources combined to offer large virtual resource – RAID? • Flexibility • Accommodate dynamic demand requirements • Manageability • Easy to manage through standardized interfaces Software Defined Networks
History of Virtualization • Not a new concept • Started with memory virtualization Software Defined Networks