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FARA: Reorganizing the Addressing Architecture. Mikko Särelä 30.1.2008. Overview. New organization of concepts of naming and routing General architectural model: FARA Forwarding directive and association architecture Defines a class of architectures; a conceptual framework

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Presentation Transcript
overview
Overview
  • New organization of concepts of naming and routing
  • General architectural model: FARA
    • Forwarding directive and association architecture
  • Defines a class of architectures; a conceptual framework
  • Avoids overloading of identities and topological locations
    • separation of location and identity
    • without a new global namespace
basic components
Basic Components
  • Entity
    • generalization of an application that is an end-point in communications
    • smallest unit that can be mobile
  • Association
    • logical communication link
    • roughly analogous to transport layer connection
    • Association Id AId
  • Communications substrate
    • below the line - above the line divide
    • Forwarding Directive in header - part of the API
assumptions
Assumptions
  • Mobile entities
  • Association naming
    • no global namespace
  • Entity naming
  • End system addresses
slide5
FARA
  • Creating an association
    • Rendezvous mechanism
    • FARA directory service
  • End to end security
  • Communication substrate mechanisms
    • Packet delivery
    • FD management
    • Delivery failure notification
    • Resource control
    • Network-layer security
fara cont
FARA cont.
  • Forwarding directives
  • Slots
  • Protocol Stack
m fara
M-FARA
  • Multiple domains
    • separate addressing per domain
    • two level domain hierarchy
      • (FDup, FDdown)
  • FD maintenance
    • M-agents
  • Associations
    • simple
    • connected
    • mobile
    • reliable
  • Prototype
    • IPv4 and IPv6 domains
conclusions
Conclusions
  • Generalized architectural description
  • Drawbacks: No multicast support
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