Cisco SCE 1000 2xGBE User's Guide download pdf (Page 37)

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SCE 1000 2xGBE Release 2.0.10 User Guide

OL-7117-02 2-1

This chapter describes the possible deployment topologies of the SCE 1000. The Cisco SCE

solution offers a number of basic topology options that permit the user to tailor the SCE Platform

to fit the needs of a particular installation. An understanding of the various issues and options is

crucial to designing, deploying, and configuring the topology that best meets the requirements of

the individual system.

Step 2 This chapter contains the following sections:

• Issues to Be Considered 2-1

• Functionality 2-3

• Physical Installation 2-3

• Redundancy 2-5

• Failure and Recovery 2-6

• Topology-Related Parameters 2-7

Issues to Be Considered

There are several issues that must be considered in order to arrive at the optimum configuration of

the topology-related parameters:

• Functionality: Will the system be used solely to monitor traffic flow, with report functionality

only, or will it be used for traffic flow control, with enforcement as well as report

functionality?

• Physical installation configuration: Will the SCE Platform be installed as inline? Or will the

SCE Platform use an optical splitter?

• Redundancy: Must the system be designed to guarantee uninterrupted service? If so, there

must be a backup SCE Platform to assume operation in case of failure of the primary data

link.

• Link failure and recovery: How should the SCE Platform respond to platform failure and

subsequent recovery? Should traffic flow continue even though the unit is not operating, or be

halted until the platform is repaired/replaced? Should the unit actually resume operation when

it is again operational?

CHAPTER 2

Topology

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