[evla-sw-discuss] [Fwd: Re: An "In Use" flag for the MIB interface]

[Bill Sahr]

Please see below.

Ken Sowinski wrote:
> On Tue, 15 Aug 2006, Bill Sahr wrote:
> 
>> The "In use" flag, a proposal:
> 
> 
>> - Once a MIB is locked, any set commands received via the UDP port
>> that do not originate from the IP address used to set the lock will
>> be ignored.  However, get commands received via the UDP port will
>> be processed regardless of the originating IP address or the state
>> of the lock.
> 
> 
> This mean a random user will not be able to modify the s-stream
> data rate for any monitor point.  Barry once suggested that this
> mechanism should only prevent a set of the 'value' attribute of
> a command point.  That leaves us a lot of flexibility to modify
> data rates, alarm thresholds or enables and all that useful stuff.
> This is likely to be a more complex implementation, but I think the
> effort will be well repaid.

Good point.  I have not yet had a chance to speak with Hichem
re the additional complexity.  If practical & possible it would
be valuable and useful to preserve the ability to change the
attributes of a monitor point even when a lock is set.

> 
>> - On reboot, the MIB will initialize in the unlocked state.
>>
>> - The analogous statements apply for the virtual antennas presented
>> by the CMP:
> 
> 
> I think this addresses Walter's question; or have I misunderstood?
> 
> 
> Ken