Architecture review
DSLmaster is a Java application on the Java EE platform. Interaction between components is based on cross-platform interaction standards SOAP\XML, Web-services, JMS. Due to SOAP\XML there is possible integration of the system with third-party applications, realized on platforms other than Java.
On the upper level the system consists of the following components:
| BPM servers | Servers of Jboss/WebLogic applications, which provide necessary functions for development and fulfillment of business processes. Physically a BPM-server consists of the processes server and processes performance server. MS SQL, Oracle, DB2 are used as DBMS. |
| Customer servers | Third-party systems of customer, integration with which is performed either by means of a common ESB bus, or directly. Particularly, customer’s information systems provide information about subscribers. |
| Master ESB domain\Regional ESB domain | A set of distributed components controlled by ESB (for third-party systems of a customer, as well as for BPM-servers). It looks as a set of services, which are accessed by way of JMS and/or SOAP bus. |
| DSLAM | Subscriber lines access multiplexors. Data for further calculation of key performance (KPI) indexes is taken from multiplexors. |
Components of the system interact with each other by way of a common bus, sending JMS messages to a broker. A broker fulfills content-based routing. The next sections contain more detailed description of core components.
