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BUILDING IOT SOLUTIONS WITH NITROGENDoug Seven, Director
Microsoft DX-TED, Partner Catalyst Team
@DSeven @ThingLabsIo
Field
Gate
ways Proto
col A
dapte
rsO
SS P
roje
ct
Clo
ud G
ate
way
Eve
nt
Hub ->
IoT H
ub
Hot Path AnalyticsAzure Stream Analytics, Azure Storm
Cold / Batch Analytics & Visualizations
Azure HDInsight, AzureML, Power BI, Azure Data Factory
Hot Path Business LogicPaaS V2 & Actor Framework E
nte
rprise
Pro
cess
Connect
ions
Biz
Talk
Serv
ices,
Notific
ation H
ubs
Devi
ces
Linux,
Andro
id, iO
S, RTO
S, W
indow
s
Device Connectivity
Analytics & Operationalized Insights
BusinessConnectivity
IOT DEVICE <-> CLOUD PATTERNS
Field
Gate
ways Proto
col A
dapte
rsO
SS P
roje
ct
Clo
ud G
ate
way
Eve
nt
Hub ->
IoT H
ub
Hot Path AnalyticsAzure Stream Analytics, Azure Storm
Cold / Batch Analytics & Visualizations
Azure HDInsight, AzureML, Power BI, Azure Data Factory
Hot Path Business LogicPaaS V2 & Actor Framework E
nte
rprise
Pro
cess
Connect
ions
Biz
Talk
Serv
ices,
Notific
ation H
ubs
Devi
ces
Linux,
Andro
id, iO
S, RTO
S, W
indow
s
Device Connectivity
Analytics & Operationalized Insights
BusinessConnectivity
IOT DEVICE <-> CLOUD PATTERNS
NITROGENNitrogen is an open-source, JavaScript backendfor the Internet of Things.
Nitrogen provides Device Management Security and permissions Data Ingest Command & Control
Nitrogen includes a JavaScript client library for device and web applications.
http://www.Nitrogen.io
PUB-SUB MESSAGING MODEL
Bad User
MotorizedBlinds
Rogue Light
Light Sensor
Nitrogen Service
Lighting App
Light
LightSwitch
Mobile App
NITROGEN MESSAGING
var message = new nitrogen.Message({ type: '_lightState', body: { on: false } });
var message = new nitrogen.Message({ type: '_lightLevel', body: { ambientLight: 51 } });
NITROGEN MESSAGE{
"ts":"2015-05-20T05:52:16.323Z",
"body":
{
"temperature":30
},
"type":"temperature“
}
DEMO
Sending Telemetry to Nitrogen
COMMAND & CONTROL Nitrogen enables sending messages or subscribing to message streams
Any device with permission can send a message to a specific device
Any device with permission can subscribe to the message stream of a device
NITROGEN COMMANDMANAGER The CommandManager enables interrogation and execution of commands
for a device.
CommandManager should be sub-classed for the specific implementation.
Sub-classes must override five (5) functions: isRelevant() isCommand() obsoletes() executeQueue() start()
IMPLEMENTING COMMANDMANAGER isRelevant
Should I care about the message?
isCommand Do I need to execute the message?
obsoletes Do I care any more? (e.g. have I already processed this)
executeQueue Do whatever needs to be done based on the message
start Get things going
PERMISSIONS Permissions enable control over which Principals can interact (or not) with
other Principals
Permission Types admin view send subscribe
Permissions enable explicit authorization control n2 permission add --action subscribe --authorized true --issueTo <PRINCIPAL ID> --principalFor <PRINCIPAL ID>
NITROGEN MESSAGE{ "ts":"2015-05-20T15:03:48.299Z",
"body":{
"command":{
"on":false }},
"from":"555ca24bf9b56a0100321aae", "type":"_lightState",
"index_until":"2015-05-27T15:03:48.683Z",
"expires":"2500-01-01T00:00:00.000Z",
"tags":["command:555ca24bf9b56a0100321aae"],
"response_to":["555ca2539746460100146efc"],
"ver":0.2, "updated_at":"2015-05-20T15:03:48.683Z",
"created_at":"2015-05-20T15:03:48.683Z",
"id":"555ca254edc0b30100124cee“
}
DEMO
Implementing Command Manager to Control a Device
CAR CLIENT
type: enginets: 05/03/2014 08:00:24rpms: 23.23fuel: 2.2
type: locationts: 05/03/2014 08:00:23latitude: -33.92253longitude: 18.4239
type: locationts: 05/03/2014 08:00:26latitude: 38.2longitude: 2.2
type: locationts: 05/03/2014 08:00:25latitude: 38.2longitude: 2.2
Nit
rogen
Fro
ntd
oor
MQTTuC
(1
28
KB
, 8
0M
Hz)
3G
TELEMETRY INGESTION
MQTT AMQP
Authentication and Authorization
Ingestion Service
REST
Device Registry
Data Pipeline
Cars Browsers, MobileServers
Nit
rogen
Serv
ices
Azu
reC
lients
Machine Learning
NEXT STEPSTutorials/labs at http://ThingLabs.iohttp://Nitrogen.io
@DSeven @ThingLabsIo
