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EIDE Architecture Overview

EIDE Architecture Overview. WECC DEWG. Soap Methods. EIDE provides a “Put” method for data Sender transfers schedule data, meter data, text message, power system data, etc. to receiver EIDE provides a “Get” method for data Sender requests data from the receiver

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EIDE Architecture Overview

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  1. EIDE Architecture Overview WECC DEWG

  2. Soap Methods • EIDE provides a “Put” method for data • Sender transfers schedule data, meter data, text message, power system data, etc. to receiver • EIDE provides a “Get” method for data • Sender requests data from the receiver • The protocol can be used for both synchronous and asynchronous transfers

  3. Transfer Methods • EIDE documents can be transported like any text file • http, https, e-mail, ftp, read/write, standard copy, etc. • http/https provide the highest functionality and will be discussed today • Transport can be mixed, http then ftp for example

  4. Communications Pattern • HTTP/S transport employs send/reply pattern • EIDE Schema reflects this pattern • The send/reply use the same session and are synchronous • Sender send method awaits a reply or time out

  5. Anatomy of a “Put”

  6. Event triggers xfer Process retrieves data from database, file, method, other Appropriate objects created and populated Objects are translated to valid document Soap wrapper is applied to document Document is sent to receiver Put

  7. Put

  8. Put • Receiver evaluates document and sends reply in same http session • Receiver examines soap method and dispatches to appropriate receiver and method • EIDE document is validated against schema and converted to appropriate objects

  9. Put

  10. Put • Receiver maps data to local structures for their EMS or scheduling system and stores data • Can also write to csv file for import or transfer • Can invoke storage methods • Optionally, entire EIDE document can be stored in a database

  11. Put with RequireAck set to TRUE • Sender may have requested an “ack” • Receiver replies with appropriate code • Codes are enumerated in schema so receiver can code what to send and sender knows how to handle response • Ack can be either sync or async

  12. Put with Ack

  13. Put Methods • EIDE schema put methods • Questions on Put?

  14. Anatomy of a “Get”

  15. Event triggers Get Process creates Get objects and populates them XML Object is constructed Object is translated to valid document Soap wrapper is applied to document Document is sent to receiver Get

  16. Anatomy of a “Get”

  17. Get • Receiver evaluates document and sends reply in same http session • Receiver could examines soap method and dispatch to appropriate method, then generate either a synchronous immediate response, or a simple reply • Requestor can specify async reply • If asynchronous reply is being sent, then receiver becomes the sender and sends requested data.

  18. Get • Similar to a “Put”, a replier could set the require ack flag, however this has no meaning within the schema and should be ignored by receiver • Let’s look at the schema • Questions on “Get” methods?

  19. Break! • Woo hoo! • Oh, oh right, any one want to keep us here with a question?

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