iSCSI version info

[Dave Thompson <dave.thompson@nuspeed.com>]

Julian,

A version negotiation scheme was suggested by Mark Bakke's 29 Jun 2000 e-mail.

> Logins for iSCSI draft 03 might benefit from the following additions:
>
> 1. Version number text fields should be placed in both login requests
>    and responses.  the request could either specify the version of the
>    protocol the initiator wishes to run, or perhaps a list of versions
>    that the initiator is capable of running.
>
> Version: 1.0
> 
> -OR-
> 
> Version: 1.0 1.1 1.2
> 
>   The target would then choose the highest version that it supported
>   in common with those requested, and return it in the response:
> 
> Version: 1.1

Is there any plans to support a mechanism like this in the next iSCSI draft?

In addition, perhaps a one byte field in the login command and response headers
(byte 3?) could be added which would contain the major protocol version number.
This could then be used to determine the proper format of the header in cases
where major header layout changes occur (e.g. the last draft's size change from
40 to 48 bytes).


--
Dave Thompson
NuSpeed, Inc.
dave.thompson@nuspeed.com