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Using a Modular Approach in Network Design

Structuring and Modularizing the Network

2007 Cisco Systems, Inc. All rights reserved.

DESGN v2.0—2-1

The PDF files and any printed representation for this material are the property of Cisco Systems, Inc., for the sole use by Cisco employees for personal study. The files or printed representations may not be

Service-Oriented Network Architecture

2007 Cisco Systems, Inc. All rights reserved.

DESGN v2.0—2-2

The PDF files and any printed representation for this material are the property of Cisco Systems, Inc., for the sole use by Cisco employees for personal study. The files or printed representations may not be

Example: Cisco Enterprise Campus Architecture

2007 Cisco Systems, Inc. All rights reserved.

DESGN v2.0—2-3

The PDF files and any printed representation for this material are the property of Cisco Systems, Inc., for the sole use by Cisco employees for personal study. The files or printed representations may not be

Cisco Enterprise Architecture

2007 Cisco Systems, Inc. All rights reserved.

DESGN v2.0—2-4

The PDF files and any printed representation for this material are the property of Cisco Systems, Inc., for the sole use by Cisco employees for personal study. The files or printed representations may not be

Example: Dividing the Network into Areas

2007 Cisco Systems, Inc. All rights reserved.

DESGN v2.0—2-5

The PDF files and any printed representation for this material are the property of Cisco Systems, Inc., for the sole use by Cisco employees for personal study. The files or printed representations may not be

Enterprise Campus Infrastructure Module

2007 Cisco Systems, Inc. All rights reserved.

DESGN v2.0—2-6

The PDF files and any printed representation for this material are the property of Cisco Systems, Inc., for the sole use by Cisco employees for personal study. The files or printed representations may not be

Building Access Layer

2007 Cisco Systems, Inc. All rights reserved.

DESGN v2.0—2-7

The PDF files and any printed representation for this material are the property of Cisco Systems, Inc., for the sole use by Cisco employees for personal study. The files or printed representations may not be

Building Distribution Layer

2007 Cisco Systems, Inc. All rights reserved.

DESGN v2.0—2-8

The PDF files and any printed representation for this material are the property of Cisco Systems, Inc., for the sole use by Cisco employees for personal study. The files or printed representations may not be

Campus Core Layer

2007 Cisco Systems, Inc. All rights reserved.

DESGN v2.0—2-9

The PDF files and any printed representation for this material are the property of Cisco Systems, Inc., for the sole use by Cisco employees for personal study. The files or printed representations may not be

Server Farm Module

2007 Cisco Systems, Inc. All rights reserved.

DESGN v2.0—2-10

The PDF files and any printed representation for this material are the property of Cisco Systems, Inc., for the sole use by Cisco employees for personal study. The files or printed representations may not be

Enterprise Edge Modules

2007 Cisco Systems, Inc. All rights reserved.

DESGN v2.0—2-11

The PDF files and any printed representation for this material are the property of Cisco Systems, Inc., for the sole use by Cisco employees for personal study. The files or printed representations may not be

E-Commerce Module

2007 Cisco Systems, Inc. All rights reserved.

DESGN v2.0—2-12

The PDF files and any printed representation for this material are the property of Cisco Systems, Inc., for the sole use by Cisco employees for personal study. The files or printed representations may not be

Internet Connectivity Module

2007 Cisco Systems, Inc. All rights reserved.

DESGN v2.0—2-13

The PDF files and any printed representation for this material are the property of Cisco Systems, Inc., for the sole use by Cisco employees for personal study. The files or printed representations may not be

Remote Access and VPN Module

2007 Cisco Systems, Inc. All rights reserved.

DESGN v2.0—2-14

The PDF files and any printed representation for this material are the property of Cisco Systems, Inc., for the sole use by Cisco employees for personal study. The files or printed representations may not be

WAN and MAN and Site-to-Site VPN Module

2007 Cisco Systems, Inc. All rights reserved.

DESGN v2.0—2-15

The PDF files and any printed representation for this material are the property of Cisco Systems, Inc., for the sole use by Cisco employees for personal study. The files or printed representations may not be

Enterprise Edge Guidelines
1. Determine the connectivity needed to the Internet. 2. Create the e-commerce module ID needed. 3. Design the remote access and VPN module if needed. 4. Design the WAN module to support connections to remote enterprise locations if needed.

2007 Cisco Systems, Inc. All rights reserved.

DESGN v2.0—2-16

The PDF files and any printed representation for this material are the property of Cisco Systems, Inc., for the sole use by Cisco employees for personal study. The files or printed representations may not be

Service Provider Modules

2007 Cisco Systems, Inc. All rights reserved.

DESGN v2.0—2-17

The PDF files and any printed representation for this material are the property of Cisco Systems, Inc., for the sole use by Cisco employees for personal study. The files or printed representations may not be

Enterprise Remote Modules

2007 Cisco Systems, Inc. All rights reserved.

DESGN v2.0—2-18

The PDF files and any printed representation for this material are the property of Cisco Systems, Inc., for the sole use by Cisco employees for personal study. The files or printed representations may not be

Enterprise Branch Module

2007 Cisco Systems, Inc. All rights reserved.

DESGN v2.0—2-19

The PDF files and any printed representation for this material are the property of Cisco Systems, Inc., for the sole use by Cisco employees for personal study. The files or printed representations may not be

Enterprise Data Center Module

2007 Cisco Systems, Inc. All rights reserved.

DESGN v2.0—2-20

The PDF files and any printed representation for this material are the property of Cisco Systems, Inc., for the sole use by Cisco employees for personal study. The files or printed representations may not be

Enterprise Teleworker Module

2007 Cisco Systems, Inc. All rights reserved.

DESGN v2.0—2-21

The PDF files and any printed representation for this material are the property of Cisco Systems, Inc., for the sole use by Cisco employees for personal study. The files or printed representations may not be

Summary
Based on SONA, the Cisco Enterprise Architecture provides a modular enterprise-wide hierarchical approach for providing network infrastructure and services to all places in the network. The enterprise campus infrastructure module includes the campus infrastructure module and the server farm module. The enterprise edge modules include the e-commerce module, the Internet connectivity module, the remote access and VPN module, and the WAN and MAN and site-to-site modules. The remote enterprise modules include the remote branches, data centers, and teleworkers.

2007 Cisco Systems, Inc. All rights reserved.

DESGN v2.0—2-22

The PDF files and any printed representation for this material are the property of Cisco Systems, Inc., for the sole use by Cisco employees for personal study. The files or printed representations may not be

2007 Cisco Systems, Inc. All rights reserved.

DESGN v2.0—2-23

The PDF files and any printed representation for this material are the property of Cisco Systems, Inc., for the sole use by Cisco employees for personal study. The files or printed representations may not be


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