AQUALOGIC SERVICE BUS PDF

AQUALOGIC SERVICE BUS PDF

AquaLogic Service Bus architecture is centered around an Enterprise Service Bus. The bus provides message delivery services, based on standards including . BEA Systems, Inc. was a company specialized in enterprise infrastructure software products . BEA AquaLogic Service Bus, an enterprise service bus ( ESB) with operational service-management that allows the interaction between services. BEA Systems AquaLogic Service Bus Despite limited built-in support for integration with external data sources, excellent Web services.

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AquaLogic Service Bus is designed to centrally manage and control many distributed service endpoints.

Servcie following tutorials are available: The last nodes in a branch leaf nodes may be route nodes or echo nodes. Archived from the original on 16 October The following high-level architecture diagram illustrates AquaLogic Service Bus and its functional subsystems: It is used to resolve differences in requirements between business services and service clients.

The build script is used to build each of the services. While developing the tutorial you will modify some of the files contained in this folder, such as examples. These firms were the largest resellers of Tuxedoa distributed transaction management system sold by Novell.

These tutorials explore the basic functionality of AquaLogic Service Bus, including message routing and enrichment. It is not meant to replace a servie careful tuning of configuration that may be required by complex deployment scenarios.

One or more projects, or select resources from one or more projects can be exported. Pipelines are one-way processing paths that include no branching. These tutorials show how AquaLogic Service Bus is used to route a loan applications to appropriate business services based on the configurations set in the proxy service.

Gather statistics about message invocations, errors, performance characteristics, messages passed and SLA violations Send SLA-based alerts as SNMP traps, enabling integration with third-party ESM solutions Support for logging selected parts of messages for both systems operations and business auditing purposes Search capabilities by extracting key information from a message and use as it as a search index.

The following figure illustrates a high-level message flow process through the AquaLogic Service Bus, from inbound endpoint proxy service to outbound endpoint service transport URL – a business service or another proxy service. The request message starts at the start node and follows a path to a leaf node, executing actions in the request pipelines. It is not involved in data processing but handles meta-data for messages, including endpoint URIs, transport headers, etc.

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The implementation of a proxy service is specified by a message flow definition. AquaLogic Service Bus supports the following capabilities for the transformation or processing of messages:.

BEA Systems – AquaLogic Service Bus Documentation

You configure the logic for the manipulation of messages in proxy service message-flow definitions. Charts may not be displayed properly especially if there are only a few data points. Configure system to format and send error messages, and return messages for consumers of services who expect a synchronous response Configure error handling logic for pipeline stages, entire pipeline, and for proxy services Generate alerts based on message context in a pipeline, to send to an alert destination.

Change the port number to the port number of the tutorial domain. For publish, routing policies serve as subscription filters Routing table abstracted from proxy services, that enables modification of routes without having to re-configure proxy service definitions Identity-based routing, to classify clients into user-defined groups and apply routing policies based on these groups.

EJB transport is built on high performance cache and allows the reuse of established connections and minimizes EJB stubs lookups. Message flow elements can be combined in arbitrary ways to form a tree structure with the start node always and only occurring as the root of the tree and the route nodes.

BEA Systems

Operators have privileges to edit operational settings, create new SLA alert rules, and create and edit alert destination resources.

You must complete the steps in this section before you start the tutorials. If the leaf is an echo node, the request is also considered to be the response. AquaLogic Service Bus provides the ability to deploy new versions of services aquakogic allows you to have multiple versions of message resources such as WSDLs and schemas.

Getting Started with the BEA AquaLogic Service Bus Tutorials

Business services are remote services or external endpoints that are typically not implemented by the AquaLogic Service Bus server. Because there are not many of them and they make the page look bad; and they may not be actually published in those years.

There are two subdirectories: Configure a service account to pass through user ID and password credentials or map the user to a new user ID and password supplied to a business service Client-specified custom authentication credentials for both transport- and message-level inbound requests.

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In addition to exporting and importing resources, it is also permitted to export and import entire projects. It is implemented using the execute-sql function to make a JDBC call to a database to perform simple database reads.

Using the tutorials will:. It includes following products:. There are NO warranties, implied or otherwise, with regard to this information or its use. You do so in the WebLogic configuration section in the following file:. The following sections describe each layer involved in this message processing. Each business service also has a set of files associated with it. The instruction looks like: AquaLogic Service Bus allows the following capabilities for auditing and monitoring services:.

The service callout action is used inside a message flow routing stage, to call on the destination service to perform some action on the message. Failover and Nus Balancing: Overview of the Tutorial These tutorials show how AquaLogic Service Bus is used to route a loan applications to appropriate business services based on the configurations set in the proxy service.

Stores information about services, schemas, transformations, WSDLs Web Service Definition Languageand WS Policies Provides centralized management and distributed access to resources and services Allows browsing of services registered in AquaLogic Service Bus and import bs resources from WebLogic Workshop or other applications Allows the propagation of configuration data from environment to environment for example, from a development domain to a test domain to a production domain.

Define a transformation on an XML message, based on XQuery, supporting a call out to a Web service to gather additional data for the transformation. The same files structure exists for the other three business services used in this tutorial managerlargecredit. AquaLogic Service Bus is an intermediary that processes incoming service request messages, determines routing logic, and transforms these messages for compatibility with other service consumers. The request pipeline definition specifies the actions that AquaLogic Service Bus performs on request messages to the proxy service before invoking a business service or another proxy service.