From: "H. Peter Anvin" <hpa@zytor.com>
To: jaganav@us.ibm.com
Cc: Roland Dreier <roland@topspin.com>,
Dmitry Yusupov <dmitry_yus@yahoo.com>,
open-iscsi@googlegroups.com,
"David S. Miller" <davem@davemloft.net>,
mpm@selenic.com, andrea@suse.de, michaelc@cs.wisc.edu,
James.Bottomley@HansenPartnership.com,
ksummit-2005-discuss@thunk.org, netdev@oss.sgi.com,
Benjamin LaHaise <bcrl@kvack.org>
Subject: Re: Linux support for RDMA
Date: Thu, 31 Mar 2005 17:57:22 -0800 [thread overview]
Message-ID: <424CAA82.1010707@zytor.com> (raw)
In-Reply-To: <1112320148.424ca894f3c8b@imap.linux.ibm.com>
jaganav@us.ibm.com wrote:
>
> No doubt, Ethernet will eventually win .. btw, Hasn't history proven this over
> ATM? More specifically when the industry predicted that ATM will replace
> ethernet :)
>
> However, I'll have to agree with Ben that IB technolgy will fill an important
> niche segment, more specifically so in the low end of High Performance Computing
> (HPC) segment which is in a transition mode currently moving away from
> proprietary interconnects to industry standards based IB technology. Eventhough,
> ethernet may eventually may catch up with IB in terms of the bandwidth but IB
> fabrics can offer better latencies.
>
We've seen this over and over... Token Ring, FDDI, ATM, IB, ... all of
them "better" than the Ethernet of the day, but eventually
commoditization wins out. With 10GE, Ethernet has finally stopped
pretending to be CSMA/CD even; "Ethernet" is now really nothing more
than a collective name for a set of somewhat compatible commodity
networking technologies.
-hpa
next prev parent reply other threads:[~2005-04-01 1:57 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-04-01 1:49 Linux support for RDMA jaganav
2005-04-01 1:57 ` H. Peter Anvin [this message]
-- strict thread matches above, loose matches on Subject: below --
2005-04-02 1:59 jaganav
2005-04-01 23:50 Asgeir Eiriksson
2005-04-02 0:02 ` Dmitry Yusupov
[not found] <20050324233921.GZ14202@opteron.random>
[not found] ` <20050325034341.GV32638@waste.org>
[not found] ` <20050327035149.GD4053@g5.random>
2005-03-27 5:48 ` [Ksummit-2005-discuss] Summary of 2005 Kernel Summit Proposed Topics Matt Mackall
2005-03-27 6:33 ` Dmitry Yusupov
2005-03-27 6:46 ` David S. Miller
2005-03-28 19:45 ` Roland Dreier
[not found] ` <1112042936.5088.22.camel@beastie>
2005-03-28 22:32 ` Benjamin LaHaise
2005-03-29 3:19 ` Linux support for RDMA (was: [Ksummit-2005-discuss] Summary of 2005 Kernel Summit Proposed Topics) Roland Dreier
2005-03-30 16:00 ` Benjamin LaHaise
2005-03-31 1:08 ` Linux support for RDMA H. Peter Anvin
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