1 Mobile S Service Archi hite tecture ture in in Futur Future M Mobi obile Env Environm ronments Nor Shahniza Kamal Bashah 11th F e b rua ry 2013
2 Outline • Motivation • Related works • Research methodology • Contribution of the thesis • Conclusion nor shahniza kamal bashah
3 Motivation Today’s user access to mobile services nor shahniza kamal bashah Motivation
4 Motivation Seamless handover between IEEE 802.21 access technologies MIH Seamless call transfer between Mobicome two telephony services project Access to service information Covered Service discovery for in this open environments thesis work Unifying mobile service architecture nor shahniza kamal bashah Motivation
5 Objectives CHALLENGES FACTORS OBJECTIVES achieved by because Service No access to Access to Service of method continuity in inform ation service Provide service information transfer a m ultiple about the capable in the existing IEEE 802.21 inform ation netw ork to services MIH Services system environm ent because Anyone can be of Similar services with different Service Open a service achieved names in different languages Service discovery by heterogeneous provider Different services discovery for for future method capable with similar names netw ork open m obile because to Partially similar services environm ent of environm ents services Service can be No restriction regarding anything w ith the name length any nam e Anybody can introduce anything as a service anytime To unify all Multiple Unifying the disparate achieved com peting capable Enhance the m obile because Architecture but by to services by of availability of services service of future method equivalent different m obile architecture Ensure service services service services continuity providers on different access netw orks nor shahniza kamal bashah Motivation
6 Related works (1) SERVI CE CONTI NUI TY I EEE 8 02.21 3 GPP VOI CE MOBI LI TY MOBI LE MI H TI SPAN CALL FUTURE MOBI LE MANAGEMENT SERVI CES SERVI CES CONTI NUI TY SERVI CE AND ( VCC) AND ARCHI TECTURES HANDOVER Support GSM VoLTE Technologies handover Service for service between the continuity as a Continuous networks continuity component of Mobile service Seamless connectivity No t can be realised mobility switching between service XML by a multitude of between circuit networks Handover is not handover assemblage switched voice a sufficient 3GPP WLAN RDF variants and IMS voice condition for Interworking Service Pre-defined service OWL SIP continuity over continuity Ad-hoc IP Multimedia non- Use to describe Subsystem standardised Notion of service and services service Not continuity realising service equivalence of services continuity What is not covered in the work nor shahniza kamal bashah Related works
7 Related works (2) SERVI CE DI SCOVERY OTHER SEMANTI C I NTEGRATED CURRENT SERVI CE DI SCOVERY SEMANTI C SERVI CE SYSTEMS SERVI CE DI SCOVERY DI SCOVERY SYSTEMS Enhance discovery mechanism - Deliver and find the right Rigid convention and service for the user in an format for service acceptable time Use semantic to names and types improve the Service Discovery Rely on exact string ERGOT matching to discover OWL-S services Service discovery which is Jini capable of finding services UbiSearch UPnP having arbitary nam es in CSDS any form at given by any Salutation service provider Web services MEMORY Layered -Open service nam e and architecture type format Two-stages -Open service nam e and method type convention -Open administration -Efficient and sound What is not covered in the work nor shahniza kamal bashah Related works
8 Research methodology • Identify limitations of the existing service continuity Problem • Study and evaluate existing service naming Guideline 2 and service discovery schemes Identification Problem relevance Research Questions • Identify requirements of future Guideline: mobile services 1 - Design as an artifact • Propose requirements and Solution design of future service naming 5 - Research rigor Design and service discovery scheme 6 - Design as a search process • Propose extensions to the IEEE 802.21 MIH Services Conceptual model Guideline: • Implementation of future service 3 - Design evaluation Evaluation discovery system 4 - Research contributions • Case studies • Lab experiments 7 – Communication of research Performance testing The design-science research process guidelines nor shahniza kamal bashah Research methodology
9 Contribution of the thesis The specification of the architecture & fram ew ork enabling the unification of mobile services Research Contributions The proposed extension of the current IEEE 802.21 MIH Services for The specification of an service continuity open & sound service discovery system nor shahniza kamal bashah Contribution of the thesis
10 Future mobile service architecture and framework User’s Device Network system ServiceA ServiceA Client Server User “A service is a mechanism enabling the end-user’s access to one or more capabilities” OASIS Reference Model for SOA nor shahniza kamal bashah Research contribution – FMSA & Framework
11 Future mobile service architecture and framework Offering personalised service Requirem ents on future m obile services Handling of equivalent Providing location-based services services nor shahniza kamal bashah Research contribution – FMSA & Framework
12 A mobile service architecture enhancing availability and supporting continuity Services in a m obile A Service Continuity environm ents architecture User’s Device Network system User’s Device Network system Service Service Discovery Infobase Agent Service ServiceA ServiceA Adm. Continuity Continuity Client Server Server Agent User MOBILITY Profile Agent Generic User Service ServiceB ServiceB Client Server ServiceA ServiceA Client Server ServiceB ServiceB Client Server nor shahniza kamal bashah Research contribution – FMSA & Framework
Only GSM 13 GSM & network WLAN available available User Service Generic GSM chIPhone Service Service Continuity Continuity User A Manager Telephony voice client Infobase Discovery Agent Server B Service client Agent 1. Create Generic Telephony service 2. Dial number 2. Invoke GSM voice client and call establish 3. Forward call request 4. Establish media stream 5. Notify that user A moves to WLAN network offering telephony service 6. Request list of available services 7. Request available equivalent services 8. Perform service discovery and matchmaking 8. Return equivalent service 9. List of available equivalent services 10. Start service transfer 11. Fork current session 11. Create new call 12. Terminate the call nor shahniza kamal bashah Research contribution – FMSA & Framework
14 Implementation and verification of service continuity APPLI CATI ONS Generic Phone Service Adm. Service Adm. chIPhone Continuity Agent Profile Agent Service Disc Agent Home Contacts Phone Phone Browser APPLI CATI ON FRAMEWORK APPLI CATI ON FRAMEWORK LBRARI ES ANDROI D RUNTI ME ANDROI D RUNTI ME LI NUX KERNEL A Service Continuity implementation on Android nor shahniza kamal bashah Research contribution – FMSA & Framework
15 Realisation of service continuity by extending the IEEE 802.21 GSM/GPRS/ MIH PoS EDGE/UMTS Information GSM/GPRS/ PSTN Server EDGE/UMTS PSTN Mobile Core HANDOVER Network GSM Mobile Core telephony Internet HANDOVER MIH PoS Network IP Information Internet GSM Server telephony telephony WLAN/ WLAN IP Core Bluetooth Network SIP Server Handover between Handover process with GSM telephony and IP telephony IEEE 802.21 Information Service nor shahniza kamal bashah Research contribution – Svs. continuity
16 I EEE 8 0 2 .2 1 MI H Services IEEE standard published in 2008 Ensure seamless connectivity and facilitate handover between heterogeneous networks Seamless connectivity Facilitate handover Allows the mobile terminal Enables co-operative to detect the communication handover decision making channels & services between Clients & Network that are available in the vicinity IEEE 802.21 helps with Handover Initiation, Network Selection and Interface Activation during Vertical Handovers nor shahniza kamal bashah Research contribution – Svs. continuity
17 Proposed extensions to the MIH handover procedure MIH_MN_HO_CANDIDATE_QUERY.REQUEST ( DESTINATIONIDENTIFIER, CURRENTLINKIDENTIFIER, CANDIDATELINKLIST, QUERYRESOURCELIST, IPCONFIGURATIONMETHODS, DHCPSERVERADDRESS, FAADDRESS, ACCESSROUTERADDRESS, QUERYSERVICELIST , additional parameter The propose parameter QueryServiceList is the list of services that the Mobile Node is requesting. It has a type LIST(SERVICE) which contains 0 or more services. nor shahniza kamal bashah Research contribution – Svs. continuity
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