© 2007 Cisco Systems, Inc. All rights reserved.DESGN v2.03-1 Designing Basic Enterprise Campus Networks Describing Enterprise Data Center Considerations. - презентация

1 © 2007 Cisco Systems, Inc. All rights reserved.DESGN v Designing Basic Enterprise Campus Networks Describing Enterprise Data Center Considerations

2 © 2007 Cisco Systems, Inc. All rights reserved.DESGN v Server-Centric to Service-Centric

3 © 2007 Cisco Systems, Inc. All rights reserved.DESGN v Cisco Data Center Network Architecture Framework

4 © 2007 Cisco Systems, Inc. All rights reserved.DESGN v Example: Data Center Network Topology 3d icons not available

5 © 2007 Cisco Systems, Inc. All rights reserved.DESGN v Data Center Infrastructure Overview

6 © 2007 Cisco Systems, Inc. All rights reserved.DESGN v Defining the Data Center Access Layer Can support Layer 2 or Layer 3 access Provides port density to server farm Supports dual and single-attached servers Provides high-performance, low-latency Layer 2 switching Mix of oversubscription requirements Many uplink options

7 © 2007 Cisco Systems, Inc. All rights reserved.DESGN v Density and Scalability Implications 777 Where are the issues? –Cabling –Power –Cooling

8 © 2007 Cisco Systems, Inc. All rights reserved.DESGN v Defining the Data Center Aggregation Layer Aggregates traffic to data center core Aggregates advanced application and security functions Maintains connection and session state for redundancy Layer 4–7 services: firewall, server load balancing, SSL, IDS Large STP processing load High flexibility and economies of scale

9 © 2007 Cisco Systems, Inc. All rights reserved.DESGN v Drivers for a data center core: 10-Gigabit Ethernet port density Administrative domains Anticipate future requirements Key core characteristics: Distributed forwarding architecture Low latency switching 10-Gigabit Ethernet scalability Scalable IP multicast support Defining the Data Center Core Layer

10 © 2007 Cisco Systems, Inc. All rights reserved.DESGN v Summary Enterprise data centers support a rich set of applications and servers. The SONA-based Cisco Enterprise Data Center Architecture provides a modular hierarchical approach to align data center resources with business applications.

11 © 2007 Cisco Systems, Inc. All rights reserved.DESGN v