Problem Statement of Default Address Selection in Multi-prefix Environment: Operational Issues of RFC3484 Default Rules

Document Type Replaced Internet-Draft (individual)
Last updated 2006-12-05 (latest revision 2006-10-23)
Replaced by draft-ietf-v6ops-addr-select-ps
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


One physical network can carry multiple logical networks. Moreover, we can use multiple physical networks at the same time in a host. In that environment, end-hosts might have multiple IP addresses and be required to use them selectively. Without an appropriate source/ destination address selection mechanism, the host will experience some trouble in the communication. RFC 3484 defines both the source and destination address selection algorithms, but the multi-prefix environment considered here needs additional rules beyond the default operation. This document describes the possible problems that end- hosts could encounter in an environment with multiple logical networks.


Arifumi Matsumoto (

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)