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HEALTHCARE INFORMATION SERVICES TESTBED THROUGH CONTENT CENTRIC NETWORK: A PROTOTYPE
Advisor: Asst.Prof.Dr.Panjai TantatsanawongPresented by: Prasertsak U-Aroon.Department of Computing Silpakorn University, Thailand.
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Outline• Introduction• Content-Centric Networking concept• A Prototype of CCN• Experiments• Conclusions
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Introduction• Healthcare and hospital are the most complex service systems.
• The trend of healthcare data usage is more collaboration.
Paper format
Electronic Data (Own Formatted)
StandardizationFormatted
(e.g., HL7, DICOM)
Data evolution in theHealthcare System
Data Collaboration
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Introduction : Healthcare Communities• Medical staff working together to treat the patients• Healthcare services should not be limited by network infrastructure
• Patients should receive the best services in anywhere
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Introduction : Network Infrastructure• A huge of data are exchanged on distributed system over the medical cloud• Give more bandwidth for the data
transmission• dedicated networking• Scheduling control
DCN (Dynamic Circuit Network)
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• DCN – Dynamic Circuit Network• Need specific devices to support the dedicated mechanism• Need professional to support and complexity for maintenance
• DCN – Difficult to support mobility services• CCN – New approach for networking
Introduction : CCN networking
CCN (Content-Centric Network) - simplified to use, reliability, and flexibility to use anytime and anywhere
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Content-Centric Network concept• Content-centric networking (CCN) is an alternative approach to
the data approach on the network rather than the location approach, based on concept of what rather than where.
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Content-Centric Network concept
R2
R3
R1
/medical--/hospt1-----/div1--------/patient-1-----------/xray-12012011.dicom
XRay data stored in hospital-1
Interest Message-2
Interest Message-1
Interest Message-1
Interest Message-2
Interest Message-1
PIT Data Face
R2R3R1
/medical/hospt1/div1/patient-1/xray-12012011.dicom /medical/hospt1/div1/patient-1/xray-12012011.dicom /medical/hospt1/div1/patient-1/xray-12012011.dicom
111,2
f2
f1 f3f1
f1
f2
f2
User-A
User-B
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responseresponse
response
response
response
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Information Hierarchy
PatientdivisionHospital
[Name] [Name][Name]
[Name]
[Name] [Name]
[Name]
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Name Convention & Discovery• Unique for reference and easy to manage.
[protocol]:/[group-name][hospital]/[division]/[domain]/[personal-id]/[data]
[protocol]:/[group-name]/[hospital]/[discovery]/[patient-id]/[data]
Should well known for the requestor
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ccnx:/medical/hospital-1/division-1/xray/patient-id/dataxxx
ccnx:/medical/hospital-1/discovery/patient-id/dataxxx
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Prototyping of medical network over CCN• Hub and spoke model
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Accessories of network prototype• Hub and spoke model
• 1 core node• 2 sub-networks• 3 end-nodes
• H/W• PC – Dual-Core CPU 2.8 GHz with
2GB RAM• Cisco 2960 switch
• S/W• Vmware ESXi 5.0• Linux Ubuntu server 10.04• CCNx® open source project
(CCNx-0.4.2)
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http://www.ccnx.org/
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Testing topics & Testing Diagram• Testing topics over the
prototype• Connection (by ccnchat)• Data transmission (by
ccnputfile/ccngetfile)• Number of CCN node on the
network affect the transmission time
• Simple performance comparison between FTP and CCNx protocol
Use “medical” as a prefix name of the content
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Experimental Result : Connection & Data transmission
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Experimental Result : Number of node• The number of CCN router on the network does not
significantly affect the transmission
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Experimental Result : Concurrent data usage
• Comparison of FTP on IP networking and data transmission over CCN network
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Content size
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Conclusions• A distributed location and multiple site accessibility of data in
healthcare services are supported through the CCN infrastructure.
• CCN suitable to implement and less time consuming to develop the system.
• The system administrator is easier to manage and classify the data.
• The patients have the opportunity to receive better services in anytime and anywhere.
• The healthcare communities have a more collaboration.
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Future work• Integrate the real world application of Healthcare Information
Services into the Content-Centric Network. • More investigate in security of patient’s data.
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Thank You.
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.zZ
Discussions | Q/A
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