Theatre Design & Technology - Spring 1989 - 60

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Are There Standards After DMX512?
continued from page 35
an idea ("Wouldn't it be nice if .. ."). Defining the need for a
standard helps identify whose interests it's really in and
therefore who can be expected to support it.
If a standard involves arriving at a consensus, then a
standard that fills a commonly felt and pressing need is far
more likely to find support than one that merely reflects a
wish. The former already has a constituency. While discussions about "need" standards are frequently centered
around nuts-and-bolts questions of what values have to be
defined, discussions of "wish" protocols rarely seem to get
off the theoretical plane. Without a shared view of a common need, no grounds exist for agreement/consensus on
the function that the protocol is supposed to serve, much
less the details of how it should do so.
Therefore, the first step in a standards process should be
identifying the need driving us to consider defining a
standardized protocol, whether that need is current or
expected to arise in the future.
The next step is to consider who will benefit from it and
who will do the work to define and support it. If the two
groups are different, it is time to consider where the
motivation comes from for each of the parties and how
that can be expected to affect the standards process and its
outcome. The standard that satisfies the need of one group
may not meet the objectives of the other, and the result
may be disappointing.
It's even worth considering whether creating a standard
is the best solution to the need. A standard takes time and
effort to develop and, as we have seen, has its own downside. Can the need be met more effectively without one?
It's also important to consider the tradeoffs. How broad
should the standard attempt to be? Deciding what a standard won't attempt to do may be at least as important as
deciding what it will do. As Mitch Hefter points out, the
most successful standards have so far represented a lowest
common denominator solution; that is, the best standards
are those that meet the basic needs of the largest possible
group (and therefore are both popular and simple to support). Standard protocols for functions that are highly complex or specialized are inherently more difficult to draft,
more expensive to adopt, and less widely supported.
"Swiss-Army-knife" standards that attempt to be all
things to all people frequently become vastly overbuilt for
low-end applications where they add an unnecessary cost
burden (while also failing to meet all their high-end objectives). Two standards, one high-tech and the other low-tech
(or no high-tech standard at all) may prove a better
approach.
AFTER DMX512

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Don't underestimate the effort required to produce a successful standard. I have my own war stories about
DMXS12 products that couldn't interface, and such stories combined with the feedback to the DMXS12 Standard
Clarification Project point up that publishing even a comparatively simple standard is no guarantee that absolute
compatibility will result. Most consultants recognize the
difficulty of writing specifications/standards that will
guarantee a decent rigging system regardless of who gets
the bid. Successfully drafting a standard protocol that
guarantees the high-speed interchange of digital data between products of different manufacturers with different
processors, hardware, software, and designers shouldn't be



Table of Contents for the Digital Edition of Theatre Design & Technology - Spring 1989

Contents
Theatre Design & Technology - Spring 1989 - 1
Theatre Design & Technology - Spring 1989 - 2
Theatre Design & Technology - Spring 1989 - 3
Theatre Design & Technology - Spring 1989 - Contents
Theatre Design & Technology - Spring 1989 - 5
Theatre Design & Technology - Spring 1989 - 6
Theatre Design & Technology - Spring 1989 - 7
Theatre Design & Technology - Spring 1989 - 8
Theatre Design & Technology - Spring 1989 - 9
Theatre Design & Technology - Spring 1989 - 10
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Theatre Design & Technology - Spring 1989 - 28
Theatre Design & Technology - Spring 1989 - 29
Theatre Design & Technology - Spring 1989 - 30
Theatre Design & Technology - Spring 1989 - 31
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Theatre Design & Technology - Spring 1989 - 35
Theatre Design & Technology - Spring 1989 - 36
Theatre Design & Technology - Spring 1989 - 37
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https://www.nxtbook.com/nxtbooks/hickmanbrady/tdt_1970May
https://www.nxtbook.com/nxtbooks/hickmanbrady/tdt_1970Feb
https://www.nxtbook.com/nxtbooks/hickmanbrady/tdt_1969Dec
https://www.nxtbook.com/nxtbooks/hickmanbrady/tdt_1969Oct
https://www.nxtbook.com/nxtbooks/hickmanbrady/tdt_1969May
https://www.nxtbook.com/nxtbooks/hickmanbrady/tdt_1969Feb
https://www.nxtbook.com/nxtbooks/hickmanbrady/tdt_1968Dec
https://www.nxtbook.com/nxtbooks/hickmanbrady/tdt_1968Oct
https://www.nxtbook.com/nxtbooks/hickmanbrady/tdt_1968May
https://www.nxtbook.com/nxtbooks/hickmanbrady/tdt_1968Feb
https://www.nxtbook.com/nxtbooks/hickmanbrady/tdt_1967Dec
https://www.nxtbook.com/nxtbooks/hickmanbrady/tdt_1967Oct
https://www.nxtbook.com/nxtbooks/hickmanbrady/tdt_1967May
https://www.nxtbook.com/nxtbooks/hickmanbrady/tdt_1967Feb
https://www.nxtbook.com/nxtbooks/hickmanbrady/tdt_1966Dec
https://www.nxtbook.com/nxtbooks/hickmanbrady/tdt_1966Oct
https://www.nxtbook.com/nxtbooks/hickmanbrady/tdt_1966May
https://www.nxtbook.com/nxtbooks/hickmanbrady/tdt_1966Feb
https://www.nxtbook.com/nxtbooks/hickmanbrady/tdt_1965Dec
https://www.nxtbook.com/nxtbooks/hickmanbrady/tdt_1965Oct
https://www.nxtbook.com/nxtbooks/hickmanbrady/tdt_1965May
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