- Strongly typed operations (purgePrintJob)
- WSDL enables tooling to support those operations
- Long running operations (respond when human operator checks printer)
- Interactions survive network outages
- Control requests using non-HTTP networks (JMS, IBM WebSphere® MQ, Microsoft Message Queuing, SonicMQ®, SMTP, FTP, etc.)
- Purge operation requires dsig of authorized operator