sctp-discussion - Re: [SCTP-Discussion] Endpoint addresses at multihomed host

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Re: [SCTP-Discussion] Endpoint addresses at multihomed host

From: Michael Tuexen <Michael.Tuexen AT micmac.franken.de>
To: "Sergey Mikhailov" <smikhailov AT linkbit.com>
Cc: <discussion AT sctp.de>
Subject: Re: [SCTP-Discussion] Endpoint addresses at multihomed host
Date: Fri Jul 21 17:22:02 2006
List-id: SCTP Discussions <discussion.sctp.de>

Hi Sergey,

see my comments in-line.

Best regards
Michael

On Jul 21, 2006, at 5:08 PM, Sergey Mikhailov wrote:

Michael,

it seems that this implementation may send data from a network address, not selected for the endpoint of a multihomed host.

Yes. The user must make sure that the kernel will not select an ip- address which is not used by the end-point.
The simplest way is to bind all addresses. Or really take care about the routing table, since the kernel will
select the source address based on the routing table.

And I suppose that call to sctp_registerInstance() currently has no effect on what IP address of this host the packets will be sent from.

Exactly. The source address is selected by the kernel. So the application including the sctplib has no chance
to influence the source address selection.

Can you please comment?

Done.

Best regards,
Sergey Mikhailov.

[SCTP-Discussion] Endpoint addresses at multihomed host, Sergey Mikhailov, 07/21/2006
- Re: [SCTP-Discussion] Endpoint addresses at multihomed host, Michael Tuexen, 07/21/2006

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