Opened 12 years ago

Last modified 11 years ago

#536 new enhancement

IPv4 link-local address autoconfiguration

Reported by: Jiri Svoboda Owned by:
Priority: major Milestone:
Component: helenos/unspecified Version: mainline
Keywords: Cc:
Blocker for: Depends on: #562
See also: #502

Description

Implement IPv4 link-local adress autoconfiguration as per ​RFC 3927 (Dynamic Configuration of IPv4 Link-Local Addresses).

Change History (2)

comment:1 by Jiri Svoboda, 11 years ago

The protocol itself is very simple. However, the proper handling of link-local addresses requires some care, namely with respect to:

  • routing, especially when link-local and global-scope addresses coexist on the same interface (this cannot be always avoided)
  • dealing with the same link-local address being used by peers on different links

The above problems need to be dealt with for the sake of IPv6 anyway, since link-local addresses are very common for IPv6 - they are always present if stateless address autoconfiguration is used - even if a globally routable address is available from the start.

comment:2 by Jiri Svoboda, 11 years ago

Depends on: → #562
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