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SEP 2.0 Multiple-Technology Integrated Test Configurations

SEP 2.0 Multiple-Technology Integrated Test Configurations. Greg Ennis Rolf Bienert Wi-Fi Alliance TUV Rheinland November 3, 2010. Overview. These slides came out of discussions regarding SEP 2.0 testing issues for the various SEP 2.0 MAC/PHYs ZigBee , Wi-Fi, HomePlug

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SEP 2.0 Multiple-Technology Integrated Test Configurations

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  1. SEP 2.0 Multiple-Technology Integrated Test Configurations Greg Ennis Rolf Bienert Wi-Fi Alliance TUV Rheinland November 3, 2010

  2. Overview • These slides came out of discussions regarding SEP 2.0 testing issues for the various SEP 2.0 MAC/PHYs • ZigBee, Wi-Fi, HomePlug • Mixed environment scenarios • These thoughts led to some issues regarding ESI certification • Complications related to multiplicity of possible communications interfaces • May be “out of scope”? But let’s discuss … • Specific examples are based on ZigBee/Wi-Fi mixed environment, but apply in general to other combinations among the MAC/PHYs

  3. Figure 7 from OpenHAN document v1.99 Aug 4 2010

  4. Wi-Fi ZigBee Example of a Mixed Environment EMS performs bridging between the two technologies

  5. Basic Testing of End Device ZigBee Reference End Device & ESI Network ZigBee End Device ZigBee Interface Test Harness Simulating ESI Airwaves Wi-Fi Interface Wi-Fi End Device Wi-Fi Reference End Device & ESI Network Blue – conformance testing Green – Interop testing A Test Harness with both ZigBee and Wi-Fi interfaces can test bothkinds of end device (here an end device is the “device under test”).

  6. Testing a Utility ESI? ZigBee & Wi-Fi Reference End Device Network ? ZigBee ESI ZigBee Interface UtilityHeadend Test Harness Simulating End Device(s) Airwaves Wi-Fi Interface ? Wi-Fi ESI One would hope to just flip the picture around to test an ESI … but an actual ESI has a second communications interface that must be “driven” by something

  7. Testing a Utility ESI? ZigBee & Wi-Fi Reference End Device Network ZigBee ESI ZigBee Interface Test Harness Simulating Utility Headend Test Harness Simulating End Device(s) Airwaves Wi-Fi Interface Wi-Fi ESI To control the testing we would want to use a Test Harness that simulates a (generic?) utility headend

  8. Multiple Physical Interfaces ZigBee & Wi-Fi Reference End Device Network ZigBee ESI ZigBee Interface Test Harness Simulating Utility Headend Test Harness Simulating End Device(s) 15.4g? WiMax?Cellular? Wi-Fi? PowerLine? Airwaves Wi-Fi Interface Wi-Fi ESI Even if we were to assume SEP 2.0 is running at the utility headend, there will be numerous different physical interfaces implemented.

  9. Proposal • To make this problem manageable we could standardize on a single simple physical interface between the ESI-under-test and the utility-simulating test harness. This is for testing purposes only. • For now let’s assume this is Ethernet • Vendor of ESI-under-test would be responsible for providing this standard Ethernet interface to his ESI when submitting to a test lab for certification • This could be accomplished by providing a separate unit that acts as a transparent pass-through between ESI’s native interface and Ethernet • This is the vendor’s responsibility to provide when submitting the ESI for certification testing • Could be simply a laptop implementing both interfaces

  10. ESI Interface Module Combination submitted byvendor to testlab for ESI certification testing Native physical interface ESI Interface Module Test Harness Simulating Utility Headend ESI-under-test Standard physical interface (e.g. Ethernet) • ESI Interface Module performs transparent passthrough • Could be simply a laptop computer supporting both interfaces

  11. Incorporating an ESI Interface Module in order to test a Utility ESI ZigBee & Wi-Fi Reference End Device Network Native physical interface Test Harness Simulating Utility Headend Test Harness Simulating End Device(s) ESI Interface Module Airwaves ESI Under Test Standard physical interface (e.g. Ethernet)

  12. Testing an Internet ESI • Same idea works for an ESI that attaches to the Internet • Vendor of ESI provides Ethernet interface (via ESI Interface Module) to allow connection to Test Harness that simulates an Internet-based service provider

  13. Incorporating an ESI Interface Module in order to test an Internet ESI Native physical interface Test Harness Simulating Internet Service Provider Test Harness Simulating End Device(s) ESI Interface Module Airwaves ESI Under Test Standard physical interface (e.g. Ethernet)

  14. Mixed Technology Testing • End devices and ESIs should be tested for proper operation within mixed environments • Requires a routing function within the test configuration • Interoperability testing: use actual End Devices and actual ESIs

  15. Testing ZigBee ESI + Wi-Fi Device Interop Test Harness Simulating Utility Headend ESI Interface Module ZigBee ESI ZigBee Bridge/Router Wi-Fi ZigBee & Wi-Fi Reference End Device Network Wi-Fi End Device

  16. Testing Wi-Fi ESI + ZigBee Device Interop Test Harness Simulating Internet Service Provider ESI Interface Module Wi-Fi ESI Wi-Fi Bridge/Router ZigBee ZigBee & Wi-Fi Reference End Device Network ZigBee End Device

  17. Dual ESI with Router Functionality Test Harness Simulating Utility Headend Wi-Fi End Device ESI Interface Module Wi-Fi ZigBee + Wi-Fi ESI + Router ZigBee ZigBeeEnd Device

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