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Today's Topics:
1. Re: Proposed design for DHCP4o6 in Kea (Francis Dupont)
----------------------------------------------------------------------
Message: 1
Date: Fri, 21 Aug 2015 10:36:33 +0000
From: Francis Dupont <[email protected]>
To: Francis Dupont <[email protected]>
Cc: "[email protected]" <[email protected]>
Subject: Re: [kea-dev] Proposed design for DHCP4o6 in Kea
Message-ID: <[email protected]>
Content-Type: text/plain; charset="us-ascii"
Another important point: ISC DHCP uses datagram (UDP) sockets so
messages are atomically sent and *received*. The command socket is
a stream which BTW makes the whole feature a bit sensitive to partial
commands (e.g., either the parser can block waiting a missing closing
brace, or the parser fails if a command is fragmented at the transport
level).
Regards
Francis Dupont <[email protected]>
PS: I had a long time ago a nasty bug with exactly this issue: an Unix
socket which was a SOCK_STREAM when it must be in fact a SOCK_DGRAM.
So I can confirm it can become a critical point and it is pretty hard
to debug...
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End of kea-dev Digest, Vol 17, Issue 15
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