Mobile assistance scenario

October 13th, 2009

Watch this video to get an impression of possible mobile assistance scenarios basing on WS4D technologies.

DPWS 1.1 becomes an OASIS Standard

July 2nd, 2009

Today we received an email, which we would like to share with you.

We are pleased to announce that Devices Profile for Web Services (DPWS) Version 1.1 has been approved as an OASIS Standard. The submission of the approved standard can be found at [1].

Congratulations to the OASIS Web Services Discovery and Web Services Devices Profile (WS-DD) TC, and the community of implementers, developers and users who have brought the work successfully to culmination.


With this in mind, keep on working.

OSGi integration for JMEDS released

April 27th, 2009

The current implementation of the integration of our java multi edition stack (JMEDS) into OSGi was now released as v0.0.1 and can be downloaded here. It can be used to distribute the services of an OSGi plattform, use OSGi services with DPWS clients and integrate DPWS devices into OSGi. As usual, feedback like suggestions or bug reports are always highly appreciated (Please feel free to use the trackers and forums located on our sourceforge project page).

Back from OASIS WS-DD meetings and CeBIT

March 13th, 2009

We are back  from the OASIS WS-DD interop / face-to-face meeting and the CeBIT IT exhibition in Hannover.

During the WS-DD meetings (23.-26.2. hosted by Canon at their Santa Ana, CA campus) we tested the security part of DPWS with our ws4d-gsoap toolkit. The changes will be part of a new release described later. During the face-to-face we continued the standardization work to accomplish the version 1.1 of DPWS, WS-Discovery and SOAP-over-UDP specifications until June. As you can see on the issue list, most issues are solved. So the deadline at June looks good.


During the CeBIT exhibition in Hannover we introduced our new and easy to use composition tool to create new applications in device scenarios. This time our main focus was the health care scenario. Our compositione tool called pipes attracted a lot of attention. We plan to release this tool as open source soon, so you can connect your DPWS capable devices with each other, with regular web services, web 2.0 services or even other devices that don’t support DPWS!

Apart from that we look for new application domains of DPWS. One such new application domain is distributed OSGi. So we are developing an integration of our java multi edition stack (JMEDS) into OSGi. It can be used to distribute the services of an OSGi plattform, use OSGi services with DPWS clients and integrate DPWS devices into OSGi. We are planning to release this extension soon.

To sum up our plans for the near future:

  • Release version 0.8 and 0.7.1 of ws4d-gsoap. Version 0.8 supports the latest version of the WS-DD specifications and has new features like DPWS security support, scope matching support, lwIP support, fixed interoperability issues with vista and windows 7 and maybe RTnet support. Version 0.7 simply fixes basic bugs related to the build system.
  • Release ws4d-pipes
  • Release OSGi integration for JMEDS

WS4D Technology in Home Healthcare Scenarios

March 4th, 2009

There are miscellaneous application domains for WS4D technologies. Actual developments focus on home healthcare scenarios. Intelligent Assistance technology as a sensory interface and increasingly so-called wireless sensor networks, which pervasive collect information about the spatial environment and the vital functions of the residents, make it possible to detect unusual or dangerous events for the senior citizen and if necessary alert emergency services.

Further information will be published here in the near future. For some more detailed information and publications see

WS4D in Home Healthcare

Public Review of WS-DD Specifications

February 5th, 2009

The OASIS Web Services Discovery and Web Services Devices Profile (WS-DD) TC has recently approved the following three (3) specifications as Committee Drafts and approved the package for public review:

  • Web Services Dynamic Discovery (WS-Discovery) Version 1.1
  • Devices Profile for Web Services Version 1.1
  • SOAP-over-UDP Version 1.1

The public review started on 2 February 2009, and ends 3 April 2009. More Informationon on the WS-DD public page.

Back from OASIS WS-DD interop and face-to-face meeting

January 6th, 2009

After joining the WS-DD Technical Comitee at OASIS Ingo Lück (University of Dortmund) and Elmar Zeeb (University of Rostock) attended the WS-DD interop and face-to-face meeting that was hosted by Software AG in San Jose, CA from 8th to 11th of December.

We were able to test our WS4D-JavaMe and WS4D-gSOAP toolkits for interoperability with several implementations from Microsoft and printer vendors that are part of the WS-DD TC. More detailed Information from the WS-DD TC about the interoperability tests will be available soon.


Furthermore we were able to participate in the standardization process and contribute our knowledge and proposals for the devices profile for web services (DPWS) to the WS-DD TC.

The TC has established a firm timeline for the production of WS-DD v1.1 specifications that will be an official OASIS Standard as of June 1, 2009. The WS-DD TC is going to standardize the SOAP-over-UDP, WS-Discovery and DPWS specification. See the WS-DD TC site for more information.

JMEDS-based DPWS Explorer 2 compatible with OASIS DPWS 1.1 Spec CD01

December 9th, 2008

From rev11743 the DPWS Explorer 2 is also compatible with services implemented according to the Committee Draft 01 of the OASIS DPWS Spec 1.1 2008/09 (e.g. interop scenario services). DPWS 2006/02 is supported by default at initial startup, via Menu “DPWS/DPWS Version” it is possible to switch to 2008/09 (and back) at runtime. Download the DPWS Explorer 2 here.


November 4th, 2008

The Devices Profile for Web Services (DPWS) – forming the basis of the WS4D tools – was submitted to the Organization for the Advancement of Structured Information Standards (OASIS). The Web Services Discovery and Web Services Devices Profile (WS-DD) Technical Committee will govern future developments and initiatives related to DPWS. The WS4D initiative is in close contact with WS-DD and will follow further progress of OASIS WS-DD in order to assure interoperability.

Introduction to DPWS technology made simple with JMEDS

September 24th, 2008

If you are unfamiliar with DPWS-based applications, then the packages ws4d-explorer* and ws4d-javame-examples of our SourceForge project pages are the right places to start with: Download a current version of the DPWS Explorer, start it and then download an example application. When you start the application, it should be displayed in the DPWS Explorer. You can now browse through the device and service information of the application and call some actions to understand the basics of the SOA-based DPWS technology.

When you get interested, check out the ws4d-javame-documentation package for some example code snippets of simple DPWS applications. If you get the idea go to package ws4d-javame-full, download the stack for JAVA SE (ws4d-javame.stack.SE.jar) or JAVA CLDC (ws4d-javame.stack.CLDC.jar) and start developing your own DPWS-based applications.

Click here to get to the packages and start downloading. Have fun!