Translation and Coexistence
                            including Testing BOF

                               Geoff Huston
                               Atul Bansal

                            BOF Wednesday 9:30


TACIT BOF

  o  Objective
     -  Explore basic deployment issues of new Internet technology
        onto the established Internet


Potential Outcomes (within IPng Process)

  o  Requirements for Translation Plans
  o  Review Translation Plans?
  o  Problem area identification for Translation and Coexistence
  o  Testing Procedure Recommendations
  o  Decentralized Transition management guidelines
  o  Coexistence management guidelines


Environment Considerations: Deployment Motivation

  o  Network Service Providers
     -  service viability, end user requirements, opportunity,
        efficiency

  o  Product Vendors
     -  product evolution, new product

  o  User communities
     -  enhanced an/or new capabilities with direct user application

  o  Cost Constrained - Opportunity Driven


Testing

  o  Scenarios
     -  test beds, bake-offs, simulators, vendor-based,
        client-based, ...

  o  Objectives
     -  assurance, interoperability, functional stability, functional
        correctness, performance, efficiency, manageability, scalability,
        cost identification, ...

  o  Outcomes
     -  refinement and/or assurance


Deployment Considerations

  o  Product
     -  Availability, Cost, Reliability, Support

  o  Network Operational Impact
     -  Initial and Ongoing
     -  local and impacted considerations

  o  Network Service Environment Impact
     -  Initial and Ongoing

  o  Legacy Impact


Deployment Models

  o  Cut Over
  o  Transition
  o  Coexistence


NSP drivers

  o  (existence) continued viability of service
  o  (funded) end-user requirement
  o  (marketable) additional service
  o  (futures) experimental deployment
  o  (community) experimental deployment


Procedural Issues

  o  Testing
  o  Availability
  o  Refinement
  o  Coexistence
  o  Transition


TACIT BOF

  o  Operational Deployment
     -  Operational Management
     -  Service Impact management
     -  Product Availability
     -  Product Support
     -  Legacy Impact

  o  Operational Experience with TCT to Date
     -  OSPF BGP4 CIDR
     -  Appletalk
     -  DECnet