Goals for Local Communications Within Sites

1
Goals for Local Communications Within Sites

• Tony Hain / Fred Templin
• IPv6 Working Group IETF 58
• active site
• - a site that may be intermittently-connected
  or disconnected from the global Internet, may
  frequently change provider points of attachment,
  may have multiple concurrent provider points of
  attachment, may temporarily or permanently merge
  with other sites, etc.

2
Goals for Local Communications Within Sites

• Scenario examples
• Test networks
• Mobile Ad-hoc networks
• Nomadic nodes that meet and form temporary
  network
• Nodes that move together as a group
• Vehicular networks (air, ground, water)
• Etc.
• Asset protection in Enterprise Networks
• Home Networks
• Multi-homed sites

3
Goals for Local Communications Within Sites

• Goals
• Easy to acquire - e.g., Im in the desert and
  need to create an address
• Stable - support 24x7 applications like home
  security monitor
• Globally unique (or near-globally unique) make
  collision probability small in case of
• VPNs between enterprises
• Dynamic VPNs for temporary virtual organizations
• Mergers/acquisitions
• A bunch of mobile nodes get together in a bar
• Useful in absence of provider (local
  communications remain stable even if
  intermittently connected reconnect to different
  provider (ship, aircraft)
• Multiple addressing
• Prefix filtering