AWS IoT 및 Mobile Hub 서비스 소개 (김일호) :: re:Invent re:Cap Webinar 2015

© 2015, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
김일호(Ilho Kim)
Solutions Architect
AWS IoT and Mobile Hub
Introduction
Nov 26, 2015
Session Time
(ex. 01:30 pm – 02:30 pm)

Agenda
What is AWS IoT (45min)
AWS Mobile Hub Overview(15min)

Things Are Becoming Connected
Now
Not too long from now
Soon After
Source: Pretty much everyone

Healthcare and Life Sciences Municipal Infrastructure Smart Home Retail
Manufacturing, Logistics & Supply
Chain
Agriculture Education Automotive

Building Blocks for Innovation in IoT

How can we escape the spin cycle?
Many SDKs
& Tools
Alternate
Protocols
Scalability
&
Noise/Signal
Security &
Management
Integration with Cloud
and Mobile Apps and
Analytics

AWS IoT
“Securely connect one or one billion devices to AWS,
so they can interact with applications and other devices”

AWS IoT
DEVICE SDK
Set of client libraries to
connect, authenticate and
exchange messages
DEVICE GATEWAY
Communicate with devices via
MQTT and HTTP
AUTHENTICATION
AUTHORIZATION
Secure with mutual
authentication and encryption
RULES ENGINE
Transform messages
based on rules and
route to AWS Services
AWS Services
- - - - -
3P Services
DEVICE SHADOW
Persistent thing state
during intermittent
connections
APPLICATIONS
AWS IoT API
DEVICE REGISTRY
Identity and Management of
your things

AWS IoT Message Broker
DEVICE GATEWAY
Communicate with devices via
MQTT and HTTP

AWS IoT Device Gateway
Standard Protocol Support (no lock-in)
Millions of devices and apps can connect
over any protocol starting with MQTT and
HTTP 1.1
Powerful Pub/Sub Broker with Long-
lived bi-directional messages
Clients (Devices and Apps) can receive
commands and control signals from the
cloud
Secure by Default
Connect securely via X509 Certs and TLS
1.2 Client Mutual Auth
Topic Based
Architecture
(lights/thing-2/color)
Highly Scalable
Device Gateway

MQTT
MQTT vs HTTPS:
•  93x faster throughput
•  11.89x less battery to send
•  170.9x less battery to receive
•  50% less power to keep connected
•  8x less network overhead
Source:
http://stephendnicholas.com/archives/1217
•  OASIS standard protocol (v3.1.1)
•  Lightweight, pub/sub transport protocol
that is useful for connected devices
•  MQTT is used on oil rigs, connected
trucks, and many more sensitive and
resource-sensitive scenarios.
•  Customers have needed to build,
maintain and scale a broker to use
MQTT with cloud applications

Protocols – MQTT – Use Cases
mydevices/#
mydevices/1
mydevices/2
mydevices/3

mydevices/4
mydevices/4

mydevices/to_all
mydevices/to_all

Protocols – MQTT – QoS 0
1
2
3
4
5
6
1,2,3,5,6

Protocols – MQTT – QoS 1
1
2
3
4
5
4
1,2,3,4,5,6
6

Protocols – MQTT – Keep Alive
PINGREQ
PINGRESP
Although TCP/IP in theory notifies you when a socket breaks, in practice, particularly on
things like mobile and satellite links, which often “fake” TCP over the air and put
headers back on at each end, it’s quite possible for a TCP session to “black hole”, i.e. it
appears to be open still, but in fact is just dumping anything you write to it onto the floor.
Andy Stanford-Clark on the topic “Why is the keep-alive needed?“ *
* https://groups.google.com/forum/#!msg/mqtt/zRqd8JbY4oM/XrMwlQ5TU0EJ

AWS IoT Message Broker : Managed Service
Highly Scalable
Device Gateway
Millions of devices
sending billions of
messages
Subscribers
Publishers

AWS IoT Security: Authentication and
Authorization
AUTHENTICATION
Secure with mutual
AUTHENTICATION
AUTHORIZATION
Secure with mutual

One Service, Two Protocols
MQTT + Mutual Auth TLS AWS Auth + HTTPS
Server Auth TLS + Cert TLS + Cert
Client Auth TLS + Cert AWS API Keys
Confidentiality TLS TLS
Protocol MQTT HTTP
Identification AWS ARNs AWS ARNs
Authorization AWS Policy AWS Policy
NEW

Provisioning and Security
Secure Communications with Things
- Single API call to CreateKeysAndCertificate()
- Client Generated CreateCertificateFromCSR(CSR)
Fine-grained Authorization for:
Thing Management
Pub/Sub Data Access
AWS Service Access
{
"Version": "2012-10-17",
"Statement": [
{
"Effect": "Allow",
"Action": ["iot:Publish"],
"Resource":
["arn:aws:iot:us-
east-1:123456972007:topic/foo"]
},
{
"Effect": "Allow",
"Action": ["iot:Subscribe"],
"Resource":
["arn:aws:iot:us-
east-1:123456972007:topicfilter/foo/bar/*"]
}]}

AWS IoT Rules Engine
RULES ENGINE
Transform messages
based on rules and

Simple & Familiar Syntax
-  SQL Statement to define topic filter
-  Optional WHERE clause
-  Advanced JSON support
Functions improve signal : noise
-  String manipulation (regex support)
-  Mathematical operations
-  Context based helper functions
-  Crypto support
-  UUID, Timestamp, rand, etc.
AWS IoT Rules Engine Basics
SELECT * FROM ‘things/thing-2/color’
WHERE color = ‘red’

AWS IoT Rules Engine’s Flexibility
SELECT *, clientId() as MQTTClientId
FROM 'one/rule' !
WHERE !
startsWith(topic(2), 'IME33') AND
(state = 'INIT' OR hydro_temp >
surface_temp)",!
"actions": !
[{ !
"republish": {!
!"topic": ! ! !"controllers/
${substring(topic(3), !3, 5)}",!
}] !

Complex Evaluations
Respond to the fleet, not just a single unit. Dozens of functions() available
Multiple / Simultaneous Actions
Sometimes a situation requires you to take many actions

AWS IoT Rules Engine Actions
RULES ENGINE
Transform messages
based on rules and
AWS Services
- - - - -
3P Services
AWS Services
- - - - -
3P Services

1. AWS Services
(Direct Integration)
Rules Engine
Actions
AWS
Lambda
Amazon
SNS
Amazon
SQS
Amazon
S3
Amazon
Kinesis
Amazon
DynamoDB Amazon RDS
Amazon  
Redshift
Amazon Glacier
Amazon  
EC2
3. External Endpoints
(via Lambda and SNS)
Rules Engine connects AWS
IoT to External Endpoints and
AWS Services.
2. Rest of AWS
(via Amazon Kinesis, AWS
Lambda, Amazon S3, and
more)

AWS IoT Rules Engine Actions
Rules Engine evaluates inbound
messages published into AWS
IoT, transforms and delivers to the
appropriate endpoint based on
business rules.
External endpoints can be
reached via Lambda and Simple
Notification Service (SNS).
Invoke a Lambda function
Put object in an S3 bucket
Insert, Update, Read from a
DynamoDB table
Publish to an SNS Topic
or Endpoint
Publish to an Amazon Kinesis
stream
Actions
Amazon Kinesis Firehose
Republish to AWS IoT

AWS IoT Rules Engine & Amazon SNS
Push Notifications
Apple APNS Endpoint, Google GCM Endpoint, Amazon ADM Endpoint, Windows WNS
Amazon SNS -> HTTP Endpoint (Or SMS or Email)
Call HTTP based 3rd party endpoints through SNS with subscription and retry support
SNS
2

AWS IoT Button - “Hello World” of AWS IoT
•  Based on the Amazon dash button
hardware (Stateless Wi-Fi Button)
•  Code in the Cloud; no device
specific code or flashing required
•  Learn Rules, Shadows and Topics
Build Cool Stuff

You already have competition!
Call an Uber cab
Order pizza
Start a car
Poke someone on Facebook
“Like” something on Facebook
Mayday button
Tweet Something
Call customer service
Slack it
Approve Expense reports
Count things
Track Things

AWS IoT Mega Contest by Hackster.io
Step 1: Go to Hackster.io/Challenges (AWS)
Step 2: Submit your idea (by 11/8)
Step 3: Submit your project (by 1/8)

AWS IoT to AWS Lambda to and External Endpoint
Lambda Function
Rules Engine
PolicyPrivate Key
& Certificate
Thing/Device
Rule
SDK
AWS IoT AWS Services
Execution
Role
Policy
External Endpoint
Permission
Select * from ‘iotbutton/+’
Action

AWS IoT to Amazon DynamoDB to Dashboard
DynamoDB Table
Rules Engine
PolicyPrivate Key
& Certificate
Thing/Device
Rule
SDK
AWS IoT AWS Services
Policy
Dashboard
IAM
Role
Select * from ‘iotbutton/+’
Action
DynamoDB S3 Website

AWS IoT Thing Shadow
THING SHADOW
during intermittent
connections
SHADOW
during intermittent
connections
APPLICATIONS

AWS IoT Shadow Flow
Shadow
Device SDK
1. Device Publishes Current State
2. Persist JSON Data Store
3. App requests device’s current state
4. App requests change the state
5. Device Shadow sync’s
updated state
6. Device Publishes Current State
7. Device Shadow confirms state change
AWS IoT

AWS IoT Device Shadow - Simple Yet Powerful
{
"state" : {
“desired" : {
"lights": { "color": "RED" },
"engine" : "ON"
},
"reported" : {
"lights" : { "color": "GREEN" },
"engine" : "ON"
},
"delta" : {
"lights" : { "color": "RED" }
} },
"version" : 10
}
Thing
Report its current state to one or multiple shadows
Retrieve its desired state from shadow
Mobile App
Set the desired state of a device
Get the last reported state of the device
Delete the shadow
Shadow
Shadow reports delta, desired and reported
states along with metadata and version

AWS IoT Device Shadow Topics (MQTT)
Thing SDK (C-SDK, JS-SDK)
makes it easy for you build shadow
functionality into your device so it
can automatically synchronize the
state with the device.
AWS IoT Thing Shadow
UPDATE: $aws/things/{thingName}/shadow/update
DELTA: $aws/things/{thingName}/shadow/update/delta
GET: $aws/things/{thingName}/shadow/get
DELETE: $aws/things/{thingName}/shadow/delete
Sensor Reported Desired Delta
LED1 RED YELLOW
LED1 =
Yellow
TEMP = 60F
ACCEL X=1,Y=5,Z=4 X=1,Y=5,Z=4
TEMP 83F 60F

AWS IoT Button to Device Shadow
Thing
Shadow
Android App
HTTP Publish
UpdateThingShadow()
Desired:
Purple, Yellow, Green
“p,y,g”
Reported:
Blue, White, Cyan
“b,w,c”
GetThingShadow()

AWS IoT Registry
THING REGISTRY
your things
REGISTRY
your things

AWS IoT Registry
•  Static attributes associated to Thing
•  Firmware version
•  Serial Numbers
•  Device Type
•  Device Group
•  Device Description
•  Sensor description
•  Support and Maintenance
•  Reference Manual URL
•  Part # reference
•  Reference to external support system

AWS IoT – Device Management
S3 Holds Versioned Firmware Distributions
Organize and secure your firmware binaries in S3
Message Broker notifies groups of the fleet using Topic Patterns
Alert the fleet (or part of it) of the update, and send the URL to the S3 download
Firmware Update
Stored in S3
Publish to groups of devices
•  Ability to update global
or within a Region
•  Rules Engine keeps
state of updates and
tracks progress in a
DynamoDB Table
•  Store Version in
Registry Entry

Simple Pay as you go and Predictable Pricing
•  Pay as you go. No minimum fees
•  $5 per million messages published to, or delivered
in US East (N. Virginia), US West (Oregon), EU
(Ireland) $8 in Asia Pacific (Tokyo)
AWS IoT
Free Tier
250,000 Messages Per Month Free for first 12
Months

Pricing Example
100 sensors * 30 days
* 24 hours * 60
minutes =
4.38 million messages
1 meter * 100 readings * 30
days * 24 hours * 60 minutes
=
100 Sensors:
Publishing 1x/minute
DynamoDB Table: Receives all Sensor Data
Metering Unit: Receives all Sensor Data
1 table * 100 readings * 30
days * 24 hours * 60 minutes
=
4.38 million publishes from sensors: 4.38 * $5 = $21.90
4.38 million deliveries to a metering unit: 4.38 * $5 = $21.90
4.38 million deliveries to DynamoDB: $0
AWS IoT

Get Started with AWS IoT Device SDK
C-SDK
(Ideal for embedded
OS)
JS-SDK
(Ideal for Embedded
Linux Platforms)
Arduino Library
(Arduino Yun)
Mobile SDK
(Android and iOS)

AWS IoT Device C SDK
// Libraries
#include "mqtt_interface.h"
#include "iot_version.h"
// Connecting to MQTT broker
MQTTConnectParams connectParams;
connectParams.MQTTVersion = MQTT_3_1_1;
connectParams.pClientID = "CSDK-test-device";
connectParams.pHostURL = HostAddress;
connectParams.port = port;
iot_mqtt_connect(connectParams);
// Subscribing to a topic
MQTTSubscribeParams subParams;
subParams.mHandler = MQTTcallbackHandler;
subParams.pTopic = "sdkTest/sub";
subParams.qos = qos;
iot_mqtt_subscribe(subParams);

Getting Started – Embedded C SDK
Deeply embedded
Port to your platform
Delivered as source
w/ POSIX port

Getting Started –Embedded C SDK
Memory Conscious
TLS
MQTT Client
Shadow SDK
Examples

C SDK Porting – SDK Architecture
Hardware / OS
Timer Interface
MQTT Interface / Client
Custom Application
TLS Interface
Layered
Well-defined Interfaces
Porting Points
Thing Shadow

Hardware / OS
Timer Interface
Custom Application
TLS Interface
Your application
The soul of the device
Thing Shadow

Hardware / OS
Timer Interface
Custom Application
TLS Interface
Shadow SDK
Subscription Management
Version Tracking
Client Tokens
JSON Helpers
Thing Shadow

Hardware / OS
Timer Interface
Custom Application
TLS Interface
Embedded MQTT Client
Interfaces
Thing Shadow

Hardware / OS
Timer Interface
Custom Application
TLS Interface
You know how timers work
on your system
Thing Shadow

Hardware / OS
Timer Interface
Custom Application
TLS Interface
Interface to the network
Raw sockets
TLS implementation included
Thing Shadow

Hardware / OS
Timer Interface
Custom Application
TLS Interface
Your hardware
Thing Shadow

AWS IoT SDK for Javascript
// Enable AWS SDK for JavaScript support using a service model file
var myService = new AWS.Service({apiConfig:
require('./path/to/service-model.json'), endpoint: "service endpoint"});
// Initialize SDK
var aws = require('aws-sdk');
var iot = new aws.Service({apiConfig: require('./iot-service-model.json'),
endpoint: ”iot.us-east-1.amazonaws.com” });
var iotData = new aws.Service({apiConfig: require('./iot-data-service-model.json'),
endpoint: "data.iot.us-east-1.amazonaws.com“ });
// Publish message on MQTT topic
var params = { "topic" : "foo/bar", "payload" : "hello world" };
iotData.publish(params, function(err, data) {
console.log(err, data);});

Common Design Architectures
with AWS IoT

Using Smartphone as a hub
Intel Edison
AWS cloud
Amazon Cognito
Mobile
Application
•  No connectivity: Very limited resources / Saving costs
•  Security: Use Amazon Cognito to securely send data to AWS IoT or to the
AWS cloud
•  Hub: Use Smartphone’s capabilities (WiFi/4G)

Building Automation / Mobile Control of IoT
•  Dynamic Automation: Dynamically respond to Events happening
in the Factory
ex. Opening doors and requesting assistance when emergency button is pushed
•  Mobile Control: Simplify mobile control of IoT/Factory automation
devices with AWS IoT rules
IoT Devices
AWS cloud
AWS Lambda
AWS
IoT Rule
Mobile
Application
Factory

Display complex metrics…
… Using processing power from the AWS Cloud
AWS IoT
Connected
device
AWS Lambda
Amazon
DynamoDB
Mobile
Application
User

Learn your user preferences…
… And anticipate their needs
Serverless
Web Dashboard
Millions of sources
producing
terabytes of data
IoT Devices
Mobile
Application
AWS IoT
Amazon
Kinesis
Amazon
Machine Learning
Amazon S3

Launching AWS IoT Hardware Program
The AWS IoT Hardware Program helps AWS
customers build connected products using
any hardware platform.
IoT Hardware Partners reduce the time to
market and improve customer experiences by
providing necessary tools, SDKs and sensors
to connect their devices to AWS.
The program is designed for partners that
provide hardware (semiconductors,
connectivity modules, sensors, actuators) to
customers and are interested in connecting
their hardware platform to AWS.

Official IoT Starter Kits, Powered by AWS

Official IoT Starter Kits on Variety of Platforms
Broadcom WICED
BCM4343W
On Threadx/Netx
Marvell
EZConnect
MW302
On FreeRTOS
Renasas RX63N
On Micrium OS
TI CC3200
On TI-RTOS
Microchip WCM
PIC32 Platform
Intel Edison
on Yocto Linux
Mediatek
LinkOne
on Linkit OS
Dragonboard
410c on
Ubuntu
Seeeduino
Arduino on
openWRT
Beaglebone
Green on
Debian

Anyone can now build a device quickly and scale
AWS IoT
Device Gateway
Rules Engine
Device Shadow
Registry
Security
Easy to get started
AWS IoT Device SDK
AWS IoT Button
Hackster Contest
Free Tier
Partners and
Ecosystem
AWS IoT Starter Kits
AWS IoT Partners
Still incomplete

The best mobile apps are built on AWS

“Mobile” growing in all directions
Published mobile apps
continue to grow…
…As “mobile” platforms
expand to new domains
TV
Watch
Car
*Source: Vision Mobile
0
200
400
600
800
1000
1200
1400
1600
2011 2012 2013 2014
Published Apps in App Stores
('000s)*
iOS App Store Google Play

Apps are also getting more complex
…To cloud-connected appsFrom basic client apps…
Sign-in/Social
Push notifications
Usage analytics
Cloud storage
Crash analytics
Ads
Attribution
analytics Config management
Custom back ends

“AWS has what we need, but…it’s complex”
1. Which services should I use? 2. How do I connect them?
Identity provider SDKs
+
=
Example:
Login screen & integration code
+
SDK

There has to be a better way…

Introducing: The AWS Mobile Hub (Beta)
1. Single integrated console
2. Pre-built features
3. Auto-provisioned services
4. Auto-generated app
Result: Build apps on AWS in minutes

Introducing: The AWS Mobile Hub (Beta)

Create a project and add features

Configure how your users sign in:
•  No sign-in, optional, or mandatory
Configure sign-in providers:
•  Facebook (Google, Twitter, Amazon to follow)
•  Your own system
Adds a sign-in screen to your quickstart app
Powered by Amazon Cognito Identity
User sign-in

Send push notifications to your apps
•  iOS or Android
•  1:1 or topic/subscription based
Quickstart app demonstrates features
•  Enable/disable notifications
•  Auto-registers push tokens with SNS
•  Lets you select topic subscriptions
Powered by Amazon SNS
Push notifications

Store application assets in the cloud
•  Example: Resource files or media assets
Use a CDN for faster delivery (optional)
Quickstart app includes on-device cache logic
•  Set max cache size
•  Pin specific files to the cache
Powered by Amazon S3 and CloudFront
App content delivery

Store user files such as photos
•  User-only access or all-user access
Store user profile data
•  Key-value pairs
•  Syncs across devices where user signed in
Quickstart app includes usage examples
•  Contains file browser and color selector
Powered by Amazon S3 and Amazon Cognito Sync
User data storage

Monitor app usage with analytics
•  Session, monetization, and custom events
•  Monitor active users, monetization, retention
Quickstart app includes all three event types
Access your dashboard from the Mobile Hub
App analytics
Powered by Amazon Mobile Analytics

Run back-end code in the cloud
•  Share functions across apps
•  Update on the fly without app submissions
Call directly from your mobile app
•  You define inputs/outputs
Write in Java, Javascript, or Python
You write code, we manage infrastructure
Powered by AWS Lambda
Cloud logic

Download your starter app & start coding…

Testing apps with Amazon Device Farm

Monitoring usage with Mobile Analytics

AWS Mobile Hub (Beta) available now!
•  Listed in the AWS Management Console
•  Also at https://console.aws.amazon.com/mobilehub
•  Services provisioned in US-East-1
•  Plan to add Tokyo and Dublin shortly
•  AWS Mobile Hub is a free service
•  You pay for the services you use (e.g. S3)
•  Just getting started…
•  Send ideas to aws-mobile-hub@amazon.com

온라인 자습 및 실습
다양한 온라인 강의 자료
및 실습을 통해 AWS에
대한 기초적인 사용법 및
활용 방법을 익히실 수 있
습니다.
강의식 교육
AWS 전문 강사가 진행하는 강의를
통해 AWS 클라우드로 고가용성, 비
용 효율성을 갖춘 안전한 애플리케
이션을 만드는 방법을 알아보세요.
아키텍쳐 설계 및 구현에 대한 다양
한 오프라인 강의가 개설되어 있습
니다.
인증 시험을 통해 클라우드
에 대한 자신의 전문 지식
및 경험을 공인받고 개발 경
력을 제시할 수 있습니다.
AWS 공인 자격증
http://aws.amazon.com/ko/training

Thank you!
http://bit.ly/awskr-webinar
발표자료 / 녹화영상

AWS IoT 및 Mobile Hub 서비스 소개 (김일호) :: re:Invent re:Cap Webinar 2015

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