12 september 2010 1 continua health alliance: architectural overview & comparison with 2009...
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Continua Health Alliance:Continua Health Alliance:Architectural Overview & Architectural Overview &
Comparison with 2009 Phoenix Comparison with 2009 Phoenix ArchitectureArchitecture
Christopher J AdamsChristopher J Adams
Phoenix ProjectPhoenix Project
http://www.phoenix.tc-ieee.org/http://www.phoenix.tc-ieee.org/
[email protected]@ieee.org
© 2010 Christopher J. Adams
This work is licensed under the Creative Commons Attribution 3.0 Unported License.To view a copy of this license, visit http://creativecommons.org/licenses/by/3.0/ or send a letter to
Creative Commons, 171 Second Street, Suite 300, San Francisco, California, 94105, USA.
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Table of ContentsTable of Contents
Phoenix BackgroundPhoenix Background– Vision & MissionVision & Mission– Architectural RequirementsArchitectural Requirements– Architectural Model 2009Architectural Model 2009
Continua Health AllianceContinua Health Alliance– Vision & MissionVision & Mission– Use CasesUse Cases– Architectural ModelArchitectural Model– Current “Eco-System”Current “Eco-System”
ConclusionsConclusions
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Phoenix VisionPhoenix Vision
MeasurementMeasurement– Blood pressureBlood pressure– Heart rateHeart rate
RepetitiveRepetitive Around-the-clockAround-the-clock Week or longerWeek or longer
Analysis toolsAnalysis tools– Self careSelf care– DiagnosisDiagnosis– PreventionPrevention
& Pre-habilitation& Pre-habilitation– TreatmentTreatment
& Re-habilitation& Re-habilitation
Long termLong term Massive scaleMassive scale
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Project MissionProject Mission
Develop ambulatory blood pressure monitorDevelop ambulatory blood pressure monitor– InexpensiveInexpensive– UnobtrusiveUnobtrusive– Easy to useEasy to use– Collects a week of blood pressure measurementsCollects a week of blood pressure measurements
Develop softwareDevelop software– Chronobiological analysis of collected blood pressure Chronobiological analysis of collected blood pressure
measurementsmeasurements
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Architectural RequirementsArchitectural Requirements InexpensiveInexpensive
– Open sourceOpen source– Free intellectual property, volunteer laborFree intellectual property, volunteer labor
Highly decomposedHighly decomposed– Consequence of open sourceConsequence of open source– Each component quickly engineeredEach component quickly engineered
by very small team (usually one person)by very small team (usually one person) Extensible -- highly recomposableExtensible -- highly recomposable
– Consequence of multiple actors, vaguely organizedConsequence of multiple actors, vaguely organized– Evolving user classes, usage scenarios, environmentsEvolving user classes, usage scenarios, environments– Highly re-usable componentsHighly re-usable components
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Architectural RequirementsArchitectural Requirements
ScalableScalable– Ready to cope with volume increasesReady to cope with volume increases
WearersWearers Acquired dataAcquired data Analysis requestsAnalysis requests
Security & PrivacySecurity & Privacy– Principles:Principles:
Wearer owns measurements of the wearer’s bodyWearer owns measurements of the wearer’s body Caregivers are custodiansCaregivers are custodians Control belongs to the wearerControl belongs to the wearer
– Manage person (patient) identity externallyManage person (patient) identity externally
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Phoenix 2009Phoenix 2009Architectural LayersArchitectural Layers
ActorsActors ApplicationsApplications Presentation ServicesPresentation Services Data AcquisitionData Acquisition Modeling and ProfilingModeling and Profiling Person Identity ManagementPerson Identity Management Analysis and ReportingAnalysis and Reporting Service BusService Bus
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Phoenix Architectural Model 2009Phoenix Architectural Model 2009
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All slides taken from
http://www.continuaalliance.org/static/cms_workspace/Continua_Overview_Presentation_v19.4.pdf
Objective ofContinua (telehealth)is broader than that of
Phoenix (ABPM with chronobiological services)
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High degree of alignment with Phoenix
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Consistent with,though broader than, Phoenix
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Continua Use CasesContinua Use Cases
http://www.continuaalliance.org/connected-health-vision/disease-management.html
http://www.continuaalliance.org/connected-health-vision/aging-independently.html
http://www.continuaalliance.org/connected-health-vision/health-and-wellness.html
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Phoenix
Phoenix Phoenix
Architectural ModelArchitectural Model
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Data Protocols
Transport Protocols
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Current Eco-SystemCurrent Eco-System
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ConclusionsConclusions
ConCon– Cost of Continua membership is prohibitive to PhoenixCost of Continua membership is prohibitive to Phoenix– Concerned that Continua license would infringe on Concerned that Continua license would infringe on
Phoenix mission and licensePhoenix mission and license Further investigation neededFurther investigation needed
ProPro– Continua sufficiently supported by industry to justify Continua sufficiently supported by industry to justify
Phoenix’s adoption of Continua standardsPhoenix’s adoption of Continua standards Would improve chance of industry adoption of PhoenixWould improve chance of industry adoption of Phoenix
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RecommendationsRecommendations
Retrofit architecture model with layers forRetrofit architecture model with layers for– Personal devicePersonal device– Aggregation managerAggregation manager– Telehealth service centerTelehealth service center– Health recordsHealth records
Investigate ISO/IEEE 11073 Personal Health Data Investigate ISO/IEEE 11073 Personal Health Data StandardsStandards– Consider wrappers for 11073 protocol stackConsider wrappers for 11073 protocol stack– Consider adoption of standards outrightConsider adoption of standards outright
May be issue of when to adoptMay be issue of when to adopt