From: Jason Gunthorpe <jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
To: Paul Grun <pgrun-klaOcWyJdxkshyMvu7JE4pqQE7yCjDx5@public.gmane.org>
Cc: 'Bang Nguyen'
<bang.nguyen-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>,
linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
'Richard Frank'
<richard.frank-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
Subject: Re: APM support for IPoIB
Date: Tue, 2 Oct 2012 11:00:08 -0600 [thread overview]
Message-ID: <20121002170008.GA23733@obsidianresearch.com> (raw)
In-Reply-To: <009101cda0be$6d8cb220$48a61660$@com>
On Tue, Oct 02, 2012 at 09:53:17AM -0700, Paul Grun wrote:
> Jason - Like your idea for full APM support especially across
> subnets, but wouldn't that require some sort capability that lives
> above the subnet level and is able to query both SMs/SAs? Sounds
> vaguely router-ish?
Well, in terms of the current spec, PRs are fully specified enough
that a sufficiently informed SA can return PRs for a non-requesting
port on the same node. I've long advocated for an improved PR
mechanism that would be more APM 'aware' and router compatible
(Connected Path Query)
There are a few good ways to get that sort of information into the
SA..
Jason
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next prev parent reply other threads:[~2012-10-02 17:00 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-01 22:23 APM support for IPoIB Bang Nguyen
[not found] ` <506A17EA.8080400-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
2012-10-01 23:53 ` Jason Gunthorpe
[not found] ` <20121001235303.GH22342-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2012-10-02 0:02 ` Bang Nguyen
[not found] ` <506A2F01.8000605-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
2012-10-02 2:15 ` Roland Dreier
[not found] ` <CAL1RGDWmywbGg0vVb_MqRCHbdgMCZTGN5Y-dX6NkpWRB6P23ug-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-10-02 8:12 ` Tziporet Koren
[not found] ` <CD250C48050CFB4D95E78C95F2FDDD6E87470513-fViJhHBwANKuSA5JZHE7gA@public.gmane.org>
2012-10-03 0:14 ` Bang Nguyen
[not found] ` <506B8365.9010507-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
2012-10-03 3:03 ` Hefty, Sean
[not found] ` <1828884A29C6694DAF28B7E6B8A8237346A98B11-Q3cL8pyY+6ukrb+BlOpmy7fspsVTdybXVpNB7YpNyf8@public.gmane.org>
2012-10-03 4:24 ` Bang Nguyen
[not found] ` <506BBDE3.3010904-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
2012-10-04 16:06 ` Bang Nguyen
2012-10-02 16:53 ` Paul Grun
2012-10-02 17:00 ` Jason Gunthorpe [this message]
2012-10-02 17:21 ` Hefty, Sean
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