CERN IT Department

CH-1211 Genève 23

Switzerlandwww.cern.ch/

it

CSDB Fiber Module

IT-CS-CT

Introduction

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• CS group– Large infrastructure (network, telephony, Wi-Fi)

• 3250 network equipment (switches, routers, PABX, …)• 950 Wi-Fi station• 12000 fixed phones / 5700 mobile phones

– Limited staffing

Automation+

Simplified management+

Robustness

Introduction

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• CT section (7 people)– Software for automation– Critical applications

• CERN network and telephony depend on these

High turnover+

Flexible to new user demands

Introduction

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Introduction

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Application Languages LOC

WebReq (users) Perl + Web 75 000

CSDBWeb (admins) Java + Web 315 000

CFMGR Perl 150 000

Magic Java 17 000

Syslog Perl 6 000

WIND Java 77 000

MIKE Perl + Web 27 000

NetLive Perl + Web 17 000

LANDB PL/SQL 180 000

• Main applications

Introduction

6More than 200 tables

Continuous consolidation strategy

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• Programming languages– Java, Perl, PL/SQL, Web (JS, HTML, …)

• Technologies– Web, Rich Client, command line

• Architectures• Software development life cycle (SDLC)

Knowledge consolidation

SDLC

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Existing system:•990 trunks registered•1470 channels•22910 fibers

•Focus on the function of the fibres.•What fibres exists, status, and function.•Logical paths of connections of devices port-to-port

Fiber management

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Future

• Starpoints not enough• Control Panels and fibres inside a building

(specially CC, ToR panels).• Evolving current system and data

– In-house team, flexible evolution.

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Fiber module (current)

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Fiber module (current)

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Overview

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Overview (channel)

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Fiber module (new version)

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Fiber module (new version)

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Fiber module (new version)

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Fiber module (new version)

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Fiber module (new version)

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