[Announce] WSO2 ELB 2.1.1 Released

Isuru Udana isuruu at wso2.com
Fri May 23 19:59:49 PDT 2014

The WSO2 Elastic Load Balancer (ELB) 2.1.1 Released!

WSO2 ELB team is pleased to announce the release of version 2.1.1 of the
Open Source Elastic Load Balancer (ELB).

WSO2 ELB is a fast, lightweight and user friendly open source Elastic Load
Balancer (ELB) distributed under the Apache Software License
WSO2 ELB allows system administrators and developers to easily configure
fail over routing, load balancing, service aware load balancing, tenant
aware load balancing and dynamic load balancing with auto scaling.The ELB
runtime is designed to be completely asynchronous, non-blocking and
streaming based on the Apache Synapse <http://synapse.apache.org> mediation

WSO2 ELB 2.1.1 is developed on top of the revolutionary WSO2 Carbon
an OSGi based framework that provides seamless modularity to your SOA via
componentization. This release also contains many new features and a range
of optional components (add-ons) that can be installed to customize the
behavior of the ELB. Further, any existing features of the ELB which are
not required to your environment can be easily removed using the underlying
provisioning framework of Carbon. In brief, WSO2 ELB can be fully
customized and tailored to meet your exact SOA needs.

You can download this distribution from
http://wso2.com/products/elastic-load-balancer/ our product page and give
it a try.
How to Run

   1. Extract the downloaded zip
   2. Go to the bin directory in the extracted folder
   3. Run the wso2server.sh or wso2server.bat as appropriate
   4. Configure the load balancer to manage the load across the instances
   to be balanced.
   5. If you need to start the OSGi console with the server use the
   property -DosgiConsole when starting the server. The INSTALL.txt file found
   on the installation directory will give you a comprehensive set of options
   and properties that can be passed into the startup script

Key Features of WSO2 ELB

   - Non-blocking HTTP/S transports based on Apache HttpCore-NIO for
   ultra-fast execution and support for thousands of connections at high
   concurrency with constant memory usage. Integrated high performing,
   Passthrough Transport.
   - Load-balancing (with or without sticky sessions)/Fail-over, and
   clustered Throttling and Caching support
   - Lightweight, XML and Web services centric messaging model
   - Automatically scaling the system according to the number of requests
   in-flight for a particular service cluster - "Scale up early, scale down
   - Service aware dynamic load balancing - A single load balancer can
   centrally manage the load across the nodes of different service clusters.
   - Tenant aware load balancing - Tenants can be loaded and unloaded
   dynamically. Tenants can be partitioned to different service clusters.

Bugs Fixed in This Release

This release of WSO2 ELB comes with a number of bug fixes, both in the base
framework and the ELB specific components. All the issues which have been
fixed in ELB 2.1.1 are recorded at following locations:

   - Fixed ELB specific issues <https://wso2.org/jira/issues/?filter=11872>

Known Issues

All the open issues pertaining to WSO2 ELB 2.1.1 are reported at following

   - Open ELB issues <https://wso2.org/jira/browse/LB-150?filter=11873>

How You Can Contribute Mailing Lists

Join our mailing list and correspond with the developers directly.

   - Developer List : dev at wso2.org |
Subscribe<dev-request at wso2.org?subject=subscribe>
    | Mail Archive <http://wso2.org/mailarchive/carbon-dev/>

Reporting Issues

We encourage you to report issues, documentation faults and feature
requests regarding WSO2 ELB through the public ELB
You can use the Carbon JIRA <https://wso2.org/jira/browse/CARBON> to report
any issues related to the Carbon base framework or associated Carbon
Discussion Forums

Alternatively, questions could be raised using

We are committed to ensuring that your enterprise middleware deployment is
completely supported from evaluation to production. Our unique approach
ensures that all support leverages our open development methodology and is
provided by the very same engineers who build the technology.

For more details and to take advantage of this unique opportunity please
visit http://wso2.com/support.

*-- The WSO2 ELB Team --*

*Isuru Udana*
* Software Engineer*
WSO2 Inc.; http://wso2.com
email: isuruu at wso2.com cell: +94 77 3791887
blog: http://mytecheye.blogspot.com/
twitter: http://twitter.com/isudana
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