Re: IETF mailing list question on Storage over Ethernet/IP

[Matt Webster <mwebster@ieee.org>]

I take issue with FC not providing reliable transmissions.  FC establishes
a dedicated link between the host and target, avoiding congestion once the
channel is established.  TCP/IP expects packet dropping... this in
storage?

Matt Webster


On Fri, 26 May 2000, Dave Nagle wrote:

> 
> A few comments about this one.
> 
> 1. FC does not provide reliable transmission.  It provides for error
> detection, but escalates recovery to "upper level protocol".  FCP-2 has
> improved this situation, but is not widely implemented yet.  One of the
> advantages of using a transport such as TCP is that link errors will be
> corrected in a manner that is transparent to the application protocol
> (SCSI).
> 
> .
> .
> .
>
> Randy Haagens
> Networked Storage Architecture
> Storage Organization
> Hewlett-Packard Co.
> e-mail: Randy_Haagens@hp.com
> tel: +1 916 785 4578
> fax: +1 916 785 1911