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 XML Gateway | SOA Message Brokering 
     
XML Gateway | Message Brokering


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JaxView:  Service Mediation, XML Gateway and SOA Firewall

JaxView can mediate as a gateway both as a broker and SOA firewall. For JaxView SOA Firewall functionality please visit here .


An important part of SOA governance is to be able to appropriately route requests.

  • Are requests being sent to the right Web service version?
  • How is load managed and distributed across Web services?
  • Are exceptions handled gracefully?

Manage the Message Flow

JaxView acts as a XML Gateway to enable runtime message mediation and content-based brokering for Web services. With JaxView you can:

  • Easily integrate different systems
  • Convert protocols from http to non-http and vice versa or REST <-> SOAP
  • Create virtual services from artifacts of other services
  • Create virtual SOAP based http services for databases. http <-> jdbc
  • Automate message policy enforcement rules by consumer type
  • Manage throttling, load balancing, and failover of messages
  • Simplify and streamline exception handling
  • Dynamically modify message schemas
  • Dynamically validate message XML or JSON schema

JaxView Manages the Message Flow


Dynamic Message Transformation and Protocol Conversion

Because services can be easily reused within a SOA environment, there may be instances when the consumer of the service doesn't necessarily send requests in a schema that is recognized by the provider. To prevent failures and deliver a robust SOA application, there must to be a way to dynamically modify a schema or a protocol so it can be immediately recognized by the provider. With JaxView you can:

  • Dynamically modify the schema of the request or the response by using xsl transformation
  • Dynamically modify the schema by writing a proprietary algorithm to perform the modification
  • Convert from http -> jms -> http or jms -> http -> jms protocols depending on your provider's protocol of choice
  • Convert from http xml -> http JSON -> http XML or JSON -> http XML -> JSON protocols depending on your provider's protocol of choice
  • Create adapters for other protocols to perform the conversion

Schema Validation

When deployed as a XML gateway, JaxView can be used to validate schema of the request and if there is a mistmatch it will deny service access. JaxView can perform both XML and Non-XML schema validation including JSON schema validation. You can view a quick demonstration of JSON schema validation here

http://www.managedmethods.com/video/jsonvalidation/jsonvalidation.html

JaxView has an open API to allow the user to write a specific schema validation algorithm for their type of protocol.

JaxView Features for SOA XML Gateway and Message Brokering

When deployed as a XML Gateway, JaxView can be used as a policy enforcement point for centralized runtime governance of service-oriented environments. JaxView can also deploy small agents on the application server to enforce policies. Both deployment options include the following capabilities:

Runtime Service Mediation and Brokering Functions

Use JaxView as a XML Gateway to enable runtime service mediation and message brokering. With JaxView you can:

  • Modify service message schema in runtime to mediate between different systems and protocols.
  • Reroute service requests in runtime based on content checking rules such as service version.
  • Convert SOAP service requests to the JMS protocol and forward them to an ESB
  • Create new protocol conversion mechanisms with the Open published API.
  • Set exception based routing and automate runtime exception handling to route messages to available services and provide exception response messages.
  • Throttle messages to allow only a specific number of messages to reach the service in a specific period of time.
  • Provide load balancing and failover support for back end services.

Service Virutalization and Versioning

Use JaxView as a XML gateway to Virtualize and version service to the consumers of the service:

  • Create new 'Virtual Service' by consolidaing one or more operations from different services
  • Hide specific operations with in the service or for different consumers of the service or based on a schedule
  • Dynamically create WSDL's for the new Virtual Service
  • Publish multiple versions of the same service
  • Ensure backwards compatibility of the new service

JMS & Data Services Virtualization

When deployed as a XML gateway, JaxView can be used to virtualize different types of services such JMS Topics or Database tables and present them as web services with a dynamically generated WSDL. To the consumer the service is a SOAP based web service but in the backend the services could be either JMS Topics or database tables.

JaxView performs a protocol conversion.
HTTP SOAP <-> JaxView <-> JMS or in case of database services HTTP SOAP <-> JaxView <-> JDBC. For more information regarding this feature please send questions to info@managedmethods.com

You can view a quick demonstration of the Data Services here
http://www.managedmethods.com/video/databaseservice/databaseservice.html

WebSocket Endpoint

Be able to present http based APIs and Web Services as WebSocket applications to your partners and clients

Message Routing and Throttling

When deployed as a XML gateway, JaxView can be used to route mesasges based on the content of the message, a schedule or fault. This is particularly beneficial when there are multiple versions of the service running and the request needs to be re-routed to the correct version. JaxView can also route requests based on time of day or day of week. This is to make sure when there are scheduled downtimes the messages are routed correctly.

You can also build throttling SLA policies within JaxView. This allows to send a specific number of messages to a service per minute, hourly, or daily. Some of JaxView's throttling policies include

  • Control the message flow on a per minute, per hour, or per day
  • the number of messages sent to service for each individual consumer or globally. Creating a throttling SLA based on consumer using the service
  • Control the number of messages sent to service on a per operation basis
  • Set throttling schedules
You can view a quick demonstration of JaxView throttling here http://www.managedmethods.com/recordings/throttling/throttling_demo.html

Runtime Policy Enforcement Functions

Use the JaxView service proxy deployment option to combine enforcement of automated policies on service access and usage with visibility into policy compliance. JaxView enables you to:

  • Block access to individual service operations based on time of day or date
  • Create and manage WS-Policy assertions using JaxView's internal repository and WS-Policy tools
  • Automatically update service and policy information from a UDDI-compliant registry
  • Monitor for policy compliance and compliance failures
  • Set daily or hourly limits on the number of service requests that are forwarded
  • Block service messages that exceed a certain size
  • Throttle messages
  • Apply protocol conversion (i.e.: JMS ->HTTP or vice versa) with an open API for all protocol customization

Algorithm Based Policy Enforcement

JaxView XML Gateway enforces policies based on most standards. For example JaxView has full support for WS-Security standards and can automatically evaluate authentication parameters from WS-Security headers. What if the service is using a proprietary standard instead of WS-Security for transport of authentication information? Well in JaxView most policies can be an algorithm through a published API that can be invoked to achieve the same result. Therefore the user can write the content of an algorithm, in java, that will be invoked as a policy of the services. JaxView policy algorithm API's apply to most brokering and security policies within JaxView.

The option for algorithm based policies within JaxView include

  • Dynamic Schema Modification - The ability to invoke an algorithm to modify the request or response for the service as a policy of the service
  • UserName Token retrieval - The ability to invoke an algorithm to retrieve the username and password from the request header or body. Use this algorithm if the username and password are embedded in specific non-standard portion of the payload.
  • Schema Validation - Invoke an algorithm to validate the schema of the request or response as a policy of the service
  • XML Encryption - Invoke an algorithm to encrypt or decrypt part or all of the request/response payload. This is if using other non-standard XML encryption algorithms
  • Exception based routing Policies - JaxView allows the user to look for specific faults from the service to re-route the request. This can be done through X-path or invocation of an algorithm
  • STS Integration - JaxView can request and validate tokens from a Secure Token Service using WS-Trust but an algorithm policy can be set for proprietary STS integration protocols.

Closed-loop Service and Policy Management Functions

Increase efficiency in managing services and runtime policies by integrating JaxView with a UDDI service registry. JaxView's bi-directional registry synchronization capability lets you:

  • Automatically query the service registry and update service information
  • Automatically configure new service monitoring configurations in JaxView by querying a service registry
  • Automatically query the service registry and update JaxView policy implementations
  • Create, update and manage policies through the JaxView interface
  • Export JaxView policy implementations as WS-Policy-complaint assertions to a UDDI registry
  • Automatically update the service registry with service information and policy changes made using the JaxView interface

Web Service Policy Profiles

Create a set of Policy profiles and assign them to a group of services as they are discovered. You can:

  •  Create policy profiles once and assign to a group of Web Services
  • Assign multiple policy profiles to a Web Service. As an example you can have one set of policies for internal consumers of the service and another set for external consumers of the service.

 

 

   

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January 12th
11 AM Mountain Time

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JaxView Product Screen Shots

Click on any of the images below to view a full-size screen shot.

Main Console

 

Message Summary Table

 

Monitor Types

 

Transactions

 

Report Example

 

Transaction Report

 

NOC Console View

     
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