Products that offer integration at the factory

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					                                                          Tips and Strategies for Systems Integrators | channel talk



Products that offer integration at the factory



I
    n a perfect world, there are no uncer-             process to go smoothly. However, it is im-                                                         likely to be under the user’s platform.
    tainties. We completely understand                 portant to understand the validation goal                                                             This is where the level of uncertainty
    and account for all variability.                   at this level is gearing towards functional                                                        rises dramatically. For example, let us as-
   Our real life experiences and expecta-              compatibility between the hardware and                                                             sume the supplier’s portfolio of platform
tions are different. Integrating systems,              software.                                                                                          products include a small catalog of 10
even those designed to work together,                     An effective way to improve proper                                                              products that can be integrated togeth-
can pose some unique challenges during                 meshing is to rely on a standard hardware                                                          er. Simple permutation tells us these 10
the installation process.                              specification for device pin-out and trig-                                                          products can go together in over 3 mil-
   To understand some of the systemic                  gers and a common software specification                                                            lion ways. It is physically impossible to test
issues related to integration, we need to              for the driver. An example of an industry                                                          out every single combination of hardware
look at the structure of the various com-              standard that defines both a hardware                                                               and software from a typical catalog of
ponents that integrate into a system.                  and software specification is the PXI stan-                                                         products.
   Consider the interconnectivity between              dards (www.pxisa.org).                                                                                So the Validation and Verification (V&V)
the hardware components and a user ap-                                                                                                                    process involves educated estimates on
plication in a “typical system.” It is clear                                                                                                              the most likely causes of failures and
that if different vendors supply various                Hardware design
                                                          requirement
                                                                                                                               Driver design
                                                                                                                               requirement                tests for these scenarios. The V&V test-
components of the system, there is a                                                                                                                      ing validates interoperability under these
potential failure point at each interface.                     Prototype
                                                                                                                                                          scenarios using the versions of hardware
Integrators can minimize this effect three                       board
                                                                                                                                                          and software tested.
                                                                                                                    Driver beta
ways:                                                                                                                                                        However, by the time the product in-
1. Industry standards for bus architecture                                 Manufacturing                                                                  tegrates into a customer system, other
                                                                            verification
2. Industry standards for hardware design                                                                                                                 combinations may come out, or the ver-
   and software interoperability                                                                                                                          sions of tested combinations may have
                                                                                           Product release
3. System level integration                                                                                                                               changed.
                                                                                                                                                             The V&V testing is unlikely to be the
                                                                                                                                                          catch all incompatibilities. It is primarily a
                                                                                           
				
DOCUMENT INFO
Description: System level integration A typical product development that spans both hardware and software functionalityfollowsthe pattern of a "zipper," the hardware and software pieces are not physically mated together until both pieces are fairly well progressed in their development cycle. Another component to the validation process is ensuring interoperability - to make sure the hardware and software combination can coexist amicably in the framework of other products that are likely to be under the user's platform.
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