AWS Malaysian Meteorological Service Moving Towards the Future

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Presentation transcript:

AWS Malaysian Meteorological Service Moving Towards the Future Open Source Open Architecture Open Source Open Architecture Open Source Open Architecture Open Source Open Architecture Open Source Open Architecture Open Source Open Architecture Open Source Open Architecture Open Source Open Architecture Open Source Open Architecture Inspiring the advent of intelligent sensors The Concept The AWS is composed of elementary hardware/firmware modules which are commercially available off the shelf (COTS), and therefore is expandable with modularity and uses TCP/IP to transmit data from the source. Any AWS hardware/firmware modules are scalable to fit, the expandability of the system where and when necessary It is able to classify and report all the AWS, software possible performances, in a basic general configuration tables. Therefore, the AWS behavior is very flexible according to the variations of this general configuration table setting Open Source, Open Architecture The operating system used for both firmware and software is LINUX. The embedded parts of the system are also POSIX compliant. The database used is PostgreSQL It must also be noted that since this is a web-based application, each element of the system software is written as an individual module to be controlled by the web-interface module. Such modularity disposes of the idea of a single large and cumbersome application. The system uses an Open Architecture based concept, whereby all sensors and hardware are hot pluggable. It can therefore be called a plug- and play system and therefore it is manufacturer independent for both acquisition electronics and sensors. Data Acquisition Processing Real-Time Display Message Entry Comms Database System Data Flow Modular Electronics Using TCP/IP Sensors RFO Ingest Export Add Trend Central Climate Internal Communications within the AWS use TCP connections, with CSV ASCII data Station to RFO / Central Servers use SOAP / XML over TCP/IP Central to CMSS uses FTP protocol All Other users connect to Central via the network using secure communications via TCP/IP Observatory Forecast Office Web Visualisation Modelling & Research Outside World MMS HQ Computer Switching System Transmission, Protocols & Languages ease of software maintenance while the front end interfaces use Java The flexibility of the system enables virtually all types of transmission by changing parameters within the configuration files. Virtually all data exchange within and outside the system uses HTTP while SOAP XML is used for data transmission. Perl, PHP, XML, JavaScript & Java for ease of software maintenance. System In-brief Open Source, Open Architecture, Manufacturer Independent Modular, TCP/IP Virtually From Source Uses Scripting Languages For A Complete Web-based Solution Software & Hardware Configurable Using Web Applications Hope for the future It is the hope that this project inspires the advent of intelligent TCP/IP based sensors which can be connected to the WWW and the data viewed wherever an internet connection exists Credits: The Instrument Division, Malaysian Meteorological Service Contact: Tel : (603) – 79678053, e-mail : alatan@kjc.gov.my Designed using OpenOffice & Gimp on LINUX, converted to PowerPoint