Subject: RE: [Tsvwg] Section 7.1.9 sctpsocket-02.txt

From: "Kimble Scott (NET/MtView)" <[email-masked]>
Date: Thu, 27 Dec 2001 15:38:05 -0800

I see now that this is functionality to support
draft-ietf-tsvwg-addip-sctp (which I haven't read).  Thanks for setting
me straight.  Consider adding an applicability statement to sctpsocket,
something like "this functionality provides support for
draft-ietf-tsvwg-addip-sctp".

-----Original Message-----
From: ext Randall Stewart [mailto:[email-masked]]
Sent: Thursday, December 27, 2001 12:52 PM
To: Kimble Scott (NET/MtView)
Cc: [email-masked]
Subject: Re: [Tsvwg] Section 7.1.9 sctpsocket-02.txt

"Kimble Scott (NET/MtView)" wrote:
> 
> Section 7.1.9 Set Primary Address (SCTP_SET_PRIMARY_ADDR)
> 
> The spp_assoc_id parameter is not required and serves no purpose.
> Applications may "set" and "get" an  SCTP instance's primary address
> prior to any association being established.
> 

How can you set a primary address of a peer if you have no
association. This primary address is the address that you
will send to. It is NOT one of your addresses but it is
a peer's address. Thus you MUST have a association and a
association id.

In the Add-ip draft we do have the concept of requesting the
peer to set its primary address (for you) to a specified value.
Maybe this is what you are thinking of...

R

> For example, since IN[6]ADDR_ANY may select any address as the SCTP
> instance's primary address, an application may utilize
> SCTP_SET_PRIMARY_ADDR with getsockopt(2) to determine which address
was
> selected as the primary address.  The application may then choose to
> utilize SCTP_SET_PRIMARY_ADDR with setsockopt(2) to select a different
> address to be the primary address of an SCTP instance.
> 
> [email-masked]
> mobile 1-650-743-7903
> 
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-- 
Randall R. Stewart
[email-masked] 815-342-5222 (cell phone)

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