Internet of Things (IoT)
Work Group
GISFI IoT Architecture Comparison
Soma Bandyopadhyay and Hemant Kumar Rath
TCS
Doc No: GISFI_IoT_201112139
Agenda
• TCS proposed arch in GISFI
– With Incorporated comments from last meeting
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ETSI high level arch with interfaces
GISFI-ETSI interfaces/reference point comparisons
GISFI-TIA interfaces
GISI-ETSI-TIA Comparison
TIA-ETSI Comparison
GISFI – 3GPP Comparison
Conclusion
GISFI # 07, Dec 19-22, 2011, New Delhi
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Healthcare
I3
Agriculture
Application/Service
to network
backbone interface
utilities
Proposed IoT Arch
Banking
Services
System Architecture
Application Middleware/Controller
I2
IoT core to
application
controller interface
Indicates the communication across
the application controllers & across
the access gateways
IoT Core
Sensors to network
backbone interface
controlled by
access gateway
sensor middleware
Access Gateway with Sensor Middleware
I1
Sensordomain
Addressable Sensors
3
ETSI High level Architecture with Interfaces
mia
mid
dia
mid
4
GISFI-ETSI Interfaces
CASE -1 Direct device to device Connectivity and
interfaces are not considered in GISFI current arch
5
TIA Reference Points
A1: AAA - the application server.
A2: AAA - the intermediate node.
A3: AAA - the smart device controller.
A4: AAA - the smart device.
B1: application -intermediate node.
B3: intermediate node -smart device controller.
B5: application server -smart device.
B6: intermediate node - intermediate node
B7: smart device -smart device
X: device - smart device controller. This reference
point is outside the scope of this document.
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GISFI-TIA Interfaces
3GPP M2M High-level Architecture
MTCsms
MTCu
MTC Device
MTC Server
3GPP Bearer
Services /SMS/IMS
MTCi
MTC Server
•MTC : Machine Type Communication
•MTCu : Provides MTC devices access to the 3GPP network for the transport of user traffic
•MTCi : Reference point for MTC server to connect the 3GPP network via 3GPP bearer service
•MTCsms : Reference point for MTC server to connect the 3GPP network via 3GPP SMS
•Explains 3 different type of Communicating scenarios
•Scenario 1 (Located in the operator domain)
•Scenario 2 (Located outside the operator domain)
•Scenario 3 (Communication directly with each other without an intermediate MTC server)
•Comments
•Low Mobility, secure connection, group based triggering
•Time controlled transmission (only at pre-defined time)
•Time tolerant transmission
•Network operator shall provide PS service with or without an MSISDN.
GISFI vs. 3GPP
MTCsms
MTCu
MTC
Device
MTC
Server
3GPP
Bearer
Services
/SMS/IMS
MTCi
MTC
Server
GISFI # 07, Dec 19-22, 2011, New Delhi
GISFI-ETSI-TIA Comparison
Standar
d body
Domain distribution
Interconnection
among gateway
Direct device
addressability
Interfaces
GISFI
3 domains : Sensor, IoT core,
Application/service.
Applications do not have direct
accessibility to devices
Chaining or
interoperation with
gateways and
application controller.
Present , But does
not have any
interfaces
Device /sensors are
addressable . Present.
Three interfaces – I1, I2,
I3 – device to device
interface is out of scope
I2 ->B5: application
server -> smart device
I2B1. application intermediate node.
I2->B5,B1->mid
ETSI
Two domains : Network Domain
(includes access , core, & M2M
NA
service capability), Device and
Gateway Domain
Present (Direct
Connectivity from
application to device as
well as device to
device).
Three interfaces –
mia,mid,dia device to
device interfaces are also
considered
The M2M Device performs
the procedures such as
registration, authentication,
authorization, management
and provisioning with the
Network Domain
TIA
Two domains : Device &
application. Application directly
access device gateway &
devices
IoT_Arch_Dec 2011
Chaining of
intermediate nodes.
B6,B7 are defined
reference points
Present -Direct Device
Interaction. Uses
standardized set of verbs
applied to a specific device
like Set, Get. Device to
device interaction is also
possible
GISFI # 07,
GISFI # 07, Dec 19-22, 2011, New Delhi
Intermediate
nodes/gateways to
gateways interfaces are
considered
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GISFI-3GPP Comparison
Standar
d body
Domain distribution
Interconnection
among gateway
Direct device
addressability
Interfaces
GISFI
3 domains : Sensor, IoT core,
Application/service.
Applications do not have direct
accessibility to devices
Chaining or
interoperation with
gateways and
application controller.
Present , But does
not have any
interfaces
Device /sensors are
addressable . Present.
Three interfaces – I1, I2,
I3 – device to device
interface is out of scope
3GPP
3 different types of
communications
NA
Alternative addressing
solution based on IP
addresses . Nodes are
addressable
MTC devices
communicating with the
MTC server through API.
(within the access
network). MTC server
connects to IoT stack
through I1 (functionality
need to be understood)
MTC device supporting
directly Internet, can
connect to I2
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Conclusion: TCS Proposed IoT Architecture in GISFI
• I1 Signifies a family of interfaces including the 3rd party network accessibility.
• Device to device connectivity and interfaces are not considered.
• I2 Signifies the interfaces for application middleware/ application to devices
directly, as well as application middleware to access gateway. Devices are
considered addressable.
• Internet is considered as Backbone network.
• Chaining among application middleware nodes as well as access gateways
are considered.
• No interfaces are defined for this. No use case is mapped yet. Chaining of
application middleware may suitable for distributed computing.
• I3 (APIs) Interface exposed from application middleware to Application does
not exist in ETSI & TIA
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