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advantage of virtualization, which results in a higher utilization of computing and network
resources. In addition, the newer Data Center 3.0 architecture increases the overall return
on investment (ROI) and lowers the total cost of ownership (TCO).
Data Center 1.0
Data Center 2.0
Data Center 3.0
Client-Server and
Distributed Computing
Service-Oriented and
Web 2.0-Based
Mainframe
Consolidate
Virtualize
Automate
Decentralized
Virtualized
Figure 4-1
Cisco Data Center Architecture Evolution
Data Center 3.0 Components
Figure 4-2 highlights the Cisco Data Center 3.0 components.
Virtualization
Unified
Computing
Unified
Fabric
Figure 4-2
Cisco Data Center 3.0 Architecture Framework
The architectural components of Data Center 3.0 include virtualization technologies
and services that unify network, storage, compute, and virtualization platforms. These
technologies and network services enable incredible flexibility, visibility, and policy
