1 / 13

Building Controls XML/Web Services Guideline Organizational Meeting April 23, 2003

Building Controls XML/Web Services Guideline Organizational Meeting April 23, 2003. Sponsored by:. CABA Intelligent & Integrated Buildings Council. Agenda. Introductions What are Web Services and XML? How does this apply to building controls? Are standards needed?

Gabriel
Download Presentation

Building Controls XML/Web Services Guideline Organizational Meeting April 23, 2003

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Building Controls XML/Web Services GuidelineOrganizational MeetingApril 23, 2003 Sponsored by: CABA Intelligent & Integrated Buildings Council

  2. Agenda • Introductions • What are Web Services and XML? • How does this apply to building controls? • Are standards needed? • How should this group proceed? • Assignment of action items • Adjourn

  3. Introductions • Paul Ehrlich - Acting Chair • Business Development leader for Trane’s Global Controls group • Active in many standards groups over the years • See lots of pressure for controls to be part of the IT infrastructure • Believe that standards are needed for this to be commercially viable

  4. What is XML? • Extensible Markup Language • A data representation format for externalizing information (objects, values) • Looks like HTML - angle bracket tags • Unlike HTML, closing tags are required • XML must be well-formed: each element must be completely enclosed by a parent element • Can be validated against a schema • Describes legal format of XML document

  5. What is XML? • Some companion W3C recommendations • XPATH: language for addressing parts of an XML document - used by XSLT • Extensible Stylesheet Language (XSL) • a language for transforming XML documents • an XML vocabulary for specifying formatting semantics • XSLT: language for transforming XML documents into other XML documents • XSL without the formatting

  6. What are Web Services? • An application designed for machine consumption • Universal Description, Discovery and Integration (UDDI) • Web service directory • Describes services available from a particular business or other entity

  7. What are Web Services? • Web Service Description Language (WSDL) • Describes web service in terms of the messages and the protocol • After locating a service through UDDI, get WSDL file to learn how to use the service • SOAP (Simple Object Access Protocol) • XML based protocol for exchanging information • Commonly used for web services

  8. Application to Building Control? • Most likely utilized at network communications - not at small controllers • Not a replacement for BACnet, LonTalk, DALI and other industry specific protocols • Functions: • exchange data • alarm / off normal information • scheduling information • trend logs • configuration / network management

  9. Application to Building Control? • Other functions? • How is it being used today?

  10. Are standards needed? • XML and web services are already standards - do we need to define use for building control? • What do our customers expect? • What are the advantages and disadvantages of standards?

  11. How should we proceed? • Proposal is to create a guideline • Need to determine: • who will sign up to do work • what are our deliverables • what is the schedule • how we will liaison with other organizations

  12. Assignment of action items • Proposed tasks • Volunteers to fill roles • Date and time for next meeting (Real Conn?) • Others as determined

  13. Conclusion • Questions and comments

More Related