Re: DIS: Re: BUS: Proto: Generalize security

2007-10-17 Thread Zefram
Ed Murphy wrote: >If the restriction comes from the securing rule, then circumventing >it requires (SR's power + 0.1). If it comes from R1688, then >circumventing it requires (SR's power * 1.1). Nope. Either way, circumventing it requires only the SR's power: at that power an instrument can amen

Re: DIS: Re: BUS: Proto: Generalize security

2007-10-17 Thread Ed Murphy
Zefram wrote: Ed Murphy wrote: threshold defaults to the securing rule's power, but CAN be altered as allowed by that rule, up to a maximum of 1.1 times the securing rule's power. I think it's stupid to allow a threshold higher than the power of the defining rule. Such a thres

Re: DIS: Re: BUS: Proto: Generalize security

2007-10-17 Thread Ed Murphy
Zefram wrote: Ed Murphy wrote: I'm not sure that this actually does what you suggest. What's the flaw in it? Defining a change as secured is equivalent to making it IMPOSSIBLE except as allowed by an instrument etc. That seems pretty much equivalent to mine. The biggest differe

DIS: Re: BUS: Proto: Generalize security

2007-10-17 Thread Zefram
Ed Murphy wrote: > threshold defaults to the securing rule's power, but CAN be > altered as allowed by that rule, up to a maximum of 1.1 times > the securing rule's power. I think it's stupid to allow a threshold higher than the power of the defining rule. Such a threshold is trivi

Re: DIS: Re: BUS: Proto: Generalize security

2007-10-17 Thread Zefram
Ed Murphy wrote: >I'm not sure that this actually does what you suggest. What's the flaw in it? > Defining a change as secured is equivalent to making it IMPOSSIBLE > except as allowed by an instrument etc. That seems pretty much equivalent to mine. The biggest difference that I see i

Re: DIS: Re: BUS: Proto: Generalize security

2007-10-16 Thread Ed Murphy
Zefram wrote: Ed Murphy wrote: Amend Rule 1688 (Power) by appending this text: A secured change CANNOT be performed except as allowed by an instrument with power at least as great as that of the rule defining that change as secured. I'm dubious about doing it this way round.

DIS: Re: BUS: Proto: Generalize security

2007-10-16 Thread Zefram
Ed Murphy wrote: >Amend Rule 1688 (Power) by appending this text: > > A secured change CANNOT be performed except as allowed by an > instrument with power at least as great as that of the rule > defining that change as secured. I'm dubious about doing it this way round. You have R1