OSS Case Study Awards 2008 “ LAN-Proxy for Malaysian Meteorological Department”

Organization Background Malaysian Meteorological Department (MMD). Under Ministry of Science, Technology and Innovation. 6 Regional Meteorological Offices (RMO), 37 Principal Station and 100++ Automatic Weather Station. Full address : Malaysian Meteorological Department, Jalan Sultan, 46667 Petaling Jaya, Selangor Darul Ehsan, Malaysia. Phone : 603 – 7967 8000 Fax : 603 – 7955 0964 Website : http://www.met.gov.my

Malaysian Meteorological Department (MMD).

Under Ministry of Science, Technology and Innovation.

6 Regional Meteorological Offices (RMO), 37 Principal Station and 100++ Automatic Weather Station.

Full address :

Malaysian Meteorological Department,

Jalan Sultan, 46667 Petaling Jaya,

Selangor Darul Ehsan, Malaysia.

Phone : 603 – 7967 8000

Fax : 603 – 7955 0964

Website : http://www.met.gov.my

Organization Chart

Introduction Project : MMD LAN-Proxy Main Objective: Create LAN-Proxy with dual Internet connection for continuously connectivity for Internet access, sending and archiving meteorological data. Established VPN between regional offices and MMD HQ for EG / HRMIS application access. Initiated regarding the needs to have uninterrupted Internet access for weather forecasting and other meteorological activities.

Project : MMD LAN-Proxy

Main Objective:

Create LAN-Proxy with dual Internet connection for continuously connectivity for Internet access, sending and archiving meteorological data.

Established VPN between regional offices and MMD HQ for EG / HRMIS application access.

Initiated regarding the needs to have uninterrupted Internet access for weather forecasting and other meteorological activities.

LAN-Proxy What is a LAN-Proxy is a server (a computer system or an application program) that services the requests of its clients by forwarding requests to other servers. A client connects to the proxy server, requesting some service, such as a file, connection, web page, or other resource, available from a different server. The proxy server provides the resource by connecting to the specified server and requesting the service on behalf of the client.

What is a LAN-Proxy

is a server (a computer system or an application program) that services the requests of its clients by forwarding requests to other servers.

A client connects to the proxy server, requesting some service, such as a file, connection, web page, or other resource, available from a different server.

The proxy server provides the resource by connecting to the specified server and requesting the service on behalf of the client.

Infrastructure Diagram

Development Process In-house configuration and customization of available OSS applications Fedora – operating system Shorewall – iptables and routing manipulation Squid – web cache service Dansguardian – web filtering OpenVPN – established vpn connection

In-house configuration and customization of available OSS applications

Fedora – operating system

Shorewall – iptables and routing manipulation

Squid – web cache service

Dansguardian – web filtering

OpenVPN – established vpn connection

Benefits Fully customized proxy in terms of security, functions and usability. Faster Internet access due to usage of web cache services. Highly availability Internet access. Less support and maintenance regarding downtime.

Fully customized proxy in terms of security, functions and usability.

Faster Internet access due to usage of web cache services.

Highly availability Internet access.

Less support and maintenance regarding downtime.

Challenges Development issue - Lack of references and sources Due to in-house customization, spent lots of time on application testing and trial to get solution. Good support from management regarding hardware acquisition.

Development issue - Lack of references and sources

Due to in-house customization, spent lots of time on application testing and trial to get solution.

Good support from management regarding hardware acquisition.

Savings Less outstation claims regarding problems. Cut off money on installation of new GITN lines at all Regional Meteorological Offices.

Less outstation claims regarding problems.

Cut off money on installation of new GITN lines at all Regional Meteorological Offices.

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