Detecting Network Attachment Best Current Practices draft-narayanan-dna-bcp-01.txt

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Detecting Network Attachment Best Current
Practicesdraft-narayanan-dna-bcp-01.txt

• Sathya Narayanan
• Panasonic
• Greg Daley
• Monash
• Nicolas Montavont
• LSIIT-ULP

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Approach

• Top-down approach
• We have been trying to get the structure of the
  document done.
• What are the different issues/things we want to
  present in the BCP?
• More work is needed on the text in each of the
  sections.

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Organization

• Background Motivation
• DNA Steps
• Validation of current configuration
• Reachability detection
• Additional information
• Security

4
DNA Steps

• Validation of current configuration
• Existing IPv6 configuration?
• By presence on particular link.
• Valid addresses and routers supported in the
  link.
• Reachability detection
• Reachability with current default router is
  crucial to continuing use of current
  configuration

5
Validation of current configuration

• Link change and router discovery
• Impact of router discovery procedure on link
  change decision
• CPL
• Complete prefix list referring to CPL draft
• Router advertisement timers
• Different timers used in the RD procedure and
  their effect

6
Reachability detection

• Neighbor solicitation versus Router solicitation
• Use them in parallel?
• Authorization to use the router
• SEND routing certificates.

7
Additional information

• DNA Initiation (Hints)
• Current practices for hosts
• Current practices for routers
• Analysis of ECS and LCS
• Complications with DNA

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Changes since 00

• Complete re-organization
• Main focus of DNA in the first half (up to
  section 6) and additional information in the
  second half (from section 7 to 11).
• Structure within sections 5 6.
• Diff available at
• http//www.ctie.monash.edu.au/dna/draft-narayanan-
  dna-bcp-01-from-0.diff.html

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Feedback received

• Insufficient treatment of verifying validity of
  current prefix. (previously Insufficient
  treatment of checking for link change -) )
• Reachability confirmation and DAD out of scope
• I wish BCP draft to be more focused.
• These three comments stay as-is from last meeting
  
• Our focus was in re-organizing.

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Discussion points

• Scope of BCP?
• Merge BCP and CPL?

11
Action plan

• Focus on IP prefix verification in section 5.1
• Issues/difficulties
• How to avoid/reduce these issues/difficulties?
• Justification and requirement for reachability
  detection
• Additional cost in doing RD?

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Action plan (Contd).

• Focus on sections 4 (DNA Steps), 5 (Validation of
  current configuration) 6 (Reachability
  Detection).
• Publish 02 End of November
• Further clarifications on 4,5 6
• Focus on section 7 (DNA hints) 12 (Security)
• Publish next version End of January 05
• Focus on sections 8 (CP for hosts), 9 (CP for
  routers), 10 (Analysis) and 11 (Complications)
• Before deadline for IETF62

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• Anything to be added/removed?
• Questions? Comments?