RE: [Embedlets-dev] Re: Naming

[Christopher S. <cs...@oo...>]

> Topic tags:[ARCH][JAPL][WIRING][DOCS][MGMT][STRATEGY][NEWBIE]
> _______________________________________________
>
> Chris suggests:
>
> > It may actually make a lot of sense to use a DNS to keep a
> database of ips,
> > since that is what they do. It would be especially useful in a large
> > installation such as an oil refinery:
>
> That's true...but the guys deploying the devices may not have the
> knowledge
> nor access to the corporate DNS servers. And the glass house guys
> probably
> won't want to implement DNS lookups for thousands of devices.
>
> Be great if they did though. ;-)
>
> > There should be a name AND an identity (you may have stated
> this but I just
> > wanted to emphasize to point). The name is used for human
> consumption and can
> > change, the identity is fixed for the life of the configuration
> and is used
> > for internal reference.
>
> Why not just use a string based identiy that can be used for both?

Because you want to have a name or description that has meaning to an
operator ('Crude Oil Feed - west tower'), may be changed to match local or
variant situations or may need to support internationalization.

An identity should not be changed because it is the key to embedlet lookup
and relationships. Identities are  usually pretty terse or even numeric for
improved lookup performance making them a poor choice for user interaction.
You may want to auto-number and validate identities for uniqueness as part
of the deployment.

A typical situation is where a system is installed and working fine, but
there is some confusion about what embedlet does what due to poor initial
naming. Renaming with a separate name property is benign, with a common
identity it could be disastrous.

>
> Andrzej Jan Taramina
> Chaeron Corporation: Enterprise System Solutions
> http://www.chaeron.com
>
>
>
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