Design and Implementation of OpenXM
-- Open message eXchange protocol for Mathematics
(English Abstract of Japanese Original Document)

Masayuki Noro¹ , Nobuki Takayama²

January 18, 2000

• Introduction
• CMO Primitive object
• A formal expression of CMO
• Communication model of OpenXM
  • OX Messages
  • Standard encoding of OXexpressions and an implementation by TCP/IP sockets
• OX stack machine
  • Server stack machine
    • Operators in the group SMobject/Primitive
    • Operators in the group SMobject/Basic
• Projects in work in progress
  • OX DATA with Length
  • Local extension on server stack machines
  • Implementation of other protocols such as MathLink and OpenMath
  • Common operations on stack machines
• Session Management
  • Control server
  • OpenXM reset protocol
  • Control message (SMObject/TCPIP/Control)
• How to start a session on TCP/IP
  • Standard I/O on OX servers
  • Launcher
  • Negotiation of the byte order
  • An example of launcher : ox
• String expression of objects
• CMOexpressions for numbers and polynomials
  • Zero
  • Integer ZZ
  • Distributed polynomial Dpolynomial
  • Recursive polynomials
  • CPU dependent double
• OX Local Data
• CMO ERROR2
• Registering a new CMO
  • Requirement for a new CMO
  • How to join OpenXM project
• OX servers as a C library
• 参考文献
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