AWS IoT Core is a cloud platform that lets you connect devices across the AWS services cloud. AWS IoT provides the interface which allows the devices to communicate securely and reliably in bi-directional ways to the AWS touchpoints, even when the devices are offline. This article lets us understand how AWS IoT works.
|In this tutorial, we will cover below topics:|
AWS IoT allows Internet-connected devices such as sensors, embedded devices, and applications to connect and communicate over the AWS cloud. IoT applications Collect the information and process it sends messages in JSON format on MQTT topics.
Every MQTT can trace the device when it gets updated. When a message is sent across on the MQTT topic, it's passed to the MQTT message broker which distributes that message on the MQTT topic to the users who have subscribed to that topic.
The communication via the Internet-connected devices and the AWS IoT is secured through X.509 certificates. AWS IoT certificate has to be registered and activated using AWS IoT, to communicate with AWS IoT device you can then copy it onto your device which acts as a credential.
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|Related Blog: Overview Of Internet Of Things (IoT) - Guide|
All the devices connected across AWS IoT need to be in the registry. The registry has all the details of the certificates to interact effectively with AWS IoT.
To perform actions such as edit, update and delete a DynamoDB table or call Lambda function. Rules can be set to perform the specified action and filter messages. When particular rule tallies with the message, the rules engine trigger to perform the action based on the properties.
It also contains an IAM role that permits the AWS IoT access to the resources to do the particular action.
AWS IoT helps devices to establish the connection with devices to the AWS cloud. The medium to communicate which IoT supports are:
MQTT implies MQ Telemetry Transport, which is a lightweight and easy protocol that is built for low bandwidth devices having less reliable networks. It’s designed to reduce the network bandwidth and also minimize the resource requirements which assures stability and a good extent of delivery. This assumption helps Machine to Machine (M2M) and mobile applications where there is good quality bandwidth.
The TLS protocol provides a channel for the client-server applications to interact via a network which is built to prevent issues such as tampering because protocols can work irrespective of having a TSL, it's essential that the customer has to notify the server to establish a TLS connection. It can be done in two ways. One way is to employ a distinct port number to secure a TLS connection. The second method is to use a protocol mechanism that can be used for the client to prompt the server to switch to the TLS connection.
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Ports supported by MQTT include:
AWS IoT has established the IoT connection to manage a cloud computing platform that can easily connect the devices and secure way of interaction with various applications of the cloud and various devices. It’s designed to handle the millions of data exchange and the millions of devices within the cloud that interact, process, and direct messages across AWS endpoints.
AWS IoT can actively communicate with Lambda, what is Amazon S3, and all other services to create IoT applications that handle vast volumes of data and handle the infrastructure. It’s a unified platform that makes the work of a developer easy, as it absorbs the flow of incoming data from several devices by using some protocols such as MQTT & HTTPS.
Such cloud associated installed systems instantly connect to the internet in both direct or indirect ways by using the resources mentioned below:
|Related Article: Reasons to Learn IoT|
One can have several ways to get started with IoT which primarily depends on the use case and its way of integrating into the use case. Many numbers of cases start with AWS IoT that mainly depends on the specific use case & the way of integrating service into the use case.
To connect & handle all the AWS IoT resources within the cloud, the AWS Management console supports a web-based interface. AWS IoT handles and manages several third-party tools and gateways such as:
Device gateway: It helps various devices to interact efficiently across AWS IoT. It’s like a starting point to access the IoT devices that are connected to AWS. The device gateway handles all the device connections to ensure they are connected securely and can communicate with the IoT core. Device Gateways connect MQTT and HTTP protocols which ensures that the communication is bi-directional which sends and receives information with low latency.
Message Broker: It provides a reliable and safe mechanism for several AWS IoT applications to both send, receives, and publish info. We can use the following tools like MQTT protocol or MQTT over WebSocket.
Rules Engine: Processing the message and integration with other components of AWS services. SQL is used to choose data from message payloads and transmit the data across other devices.
Security & Identity Service: AWS cloud caters to reliability and secures which stores all the credentials and information secured and transmits the necessary data to the message broker.
Thing Registry: Also called as some part of the device registry, where you and team up to three custom attributes.
Thing Shadow: Also called Device Shadow in which the JSON documents are secured and retrieved.
Thing Shadow Service: It gives continuous presentations of elements present in the AWS cloud. The revised info shall be distributed easily and can be aligned with the current state when it can connect.
AWS Mobile SDK for Android: It gives you the flexibility to build Android applications quickly.
Basically, it establishes a connection between the devices and the AWS cloud. AWS IoT enables interaction between other connected devices, low latency & overhead. Some of the big providers of AWS IoT back up several communication protocols like HTTP, MQTT, WebSockets which are well supported. The interactions are well secured using TLS.
AWS IoT is gaining immense popularity as the most opted technology as it establishes a secured connection for the internet-connected devices and the AWS. It sets up a reliable connection to the complex network that sends data to the Amazon Virtual Private Cloud (Amazon VPC).
IoT makes it easy to use AWS services like AWS CloudTrail, Lambda, Amazon S3 and so on which have built-in integration. It’s designed to take the input, process the data, and send it back to the connected devices.
AWS IoT is a cloud platform that allows us to connect to devices that are connected using the Internet. The devices connected to the Amazon Cloud use a secure and reliable connection for the end-user.
|Related Article: Amazon Web Services Overview|
Amazon Web Services (AWS) came up with the idea to meet the requirements of every customer who is in need of these AWS services. Some of the services AWS provides include:
Amazon EC2 Amazon Elastic Compute Cloud is designed to help you to gain access and boot new services, which you can build using a new VM in a matter of few seconds, it's also flexible and you can scale up or down depending on the requirement.
Amazon S3 Amazon Simple Storage Service is a service built to store data of any size depending on how often you wish to access it.
Amazon DynamoDB provides NoSQL Database, this service can be used to retrieve information using millisecond waiting.
AWS IoT AWS Internet of Things helps connect IoT devices with the cloud infrastructure to send, process, and store the data to apply machine learning and big data techniques.
Amazon EC2 Container Registry - Here you can build a Docker container and integrate it with a container via the Amazon EC2 service.
AWS Lambda helps us to run our code without the need for a server, your code will run in Lambda service through transparent means.
Elastic Load Balancing (ELB), helps Amazon users to deliver the traffic across several EC2 services.
Amazon CloudFront allows us to cater the content to the customers using the web or RTMP.
Amazon Elastic Block Storage, Amazon EBS provides us with the potential to have continuous storage that can be used with EC2, the storage is scaled for higher availability.
Amazon RDS -Amazon Relational Database Service (RDS) provides several engines for all the RD including Amazon Aurora, Oracle. MySQL, etc.
Amazon ElastiCache provides a web service that's flexible in a particular memory within the cloud. It provides support for two open sources either Memcached or Redis.
Amazon Redshift is a quick, secure, and petabyte measure data warehouse that provides easy, cost-effective solutions to all the current BI tools.
AWS Data Pipeline engages you to integrate, scale-up across AWS computing resources, and on-premises. Integration, Movement, and the process of data across AWS compute & storage resources, via your on-premises resources.
Amazon Elasticsearch Service (AES) makes the deployment and scaling tasks easier in the cloud zone. This service is a well-known open-source tool for use cases like log and clickstream analytics.
Amazon Cognito allows secure storage, managing, and syncing of several devices.
AWS Device Farm helps you to enhance the quality of Android, iOS apps by testing them across several smartphones, tablets in the AWS cloud.
Amazon SNS is a web service that allows customers to send and receive quick notifications within the cloud.
AWS CodeCommit helps you to build robust repositories that help you to share the code within the cloud.
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Prasanthi is an expert writer in MongoDB, and has written for various reputable online and print publications. At present, she is working for Mindmajix, and writes content not only on MongoDB, but also on Sharepoint, Uipath, and AWS.