New fields in discovery responses
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New Fields in Discovery Responses. John L. Hufferd. Questions. Value of having a connection type in the discovery response Value of having speed indicator (perhaps relative) in the discovery response Some have said this would be valuable Value of having a preference indicator

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Presentation Transcript

Questions
Questions

  • Value of having a connection type in the discovery response

  • Value of having speed indicator (perhaps relative) in the discovery response

    • Some have said this would be valuable

  • Value of having a preference indicator

    • Perhaps instead of a speed indicator

    • Some have said that this is useful even with speed value


Possible syntax examples
Possible Syntax Examples

  • Target Name, IP:Port[, PGN[,Type[,Speed[, Preference]]]]

    • PGN- Portal Group Number (in RFC3720)

    • Type – 0- nn {IANA registered values}

      • 0 = iSCSI

      • 1 = iWARP

      • 2 = IB

      • 3 = …

    • Speed – 1x, 2x, 4x, etc

    • Preference – 0 – n {Higher value is higher preference}


Compatibility
Compatibility

  • Need to come up with a method for being compatible with previous implementations

    • Perhaps a new field in the Request

      • SendTargets command with new filed

      • Example: SendTargets <iSCSI-target-name>[,TSP]

        • Where TSP stands for Type, Speed, Preference


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