Alvis Architecture: Protocols 2

• P1 between client and Alvis node could be either:
  • User-oriented HTML over HTTP, for a web browser.
  • Web-service presented over HTTP, for a portal.
• Other RPC candidates for P2, P3 and P4 include:
  • Our own non-SOAP XML-over-HTTP protocol.
  • CORBA
  • Sun's RPC (if implementations are free)
  • Not a proprietary technology like Microsoft's COM.
• Crawler could use the same RPC mechanism as P2, P3 and P4 instead of HTTP PUT.

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