Chapter 6. Virtualization in the Firewall World

This chapter covers the following topics:

• Some initial definitions

• Starting with the Data Plane: VLANs and VRFs

• VRF-aware services

• Beyond the Data Plane: virtual contexts

• Management access to virtual contexts

• Allocating resources for virtual contexts

• Interconnecting virtual elements

• Issues associated with virtual contexts

• The complete architecture for virtualization

“Between the idea / And the reality / Between the motion / And the act / Falls the shadow” —Thomas S. Eliot

Networks have clearly evolved from an original perception of mere infrastructure up to their recognition as a true business asset. Nevertheless, the capability of using the available telecommunication budget ...

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