Technology

My Latest Posts

• IoT Domain Sub model– Functional ModelApril 11, 2022
  Definition It defines the main functionality and their interactions. It is based on following three principles or concepts: Abstract: It is not tied to any technology, application domain or implementation. It does not explain different functional components that make up different functional groups. Define Functional Groups and their interactions. Functional View: It defines runtime functionalContinue reading “IoT Domain Sub model– Functional Model”
• IoT Domain Sub model– Information ModelApril 9, 2022
  Definition It defines the structure of all information of Virtual Entities only at conceptual level and not at concrete level. In other words, it covers all aspects of adding information in the data. Here, structure covers attributes, relations and services that helps to know what, who, where, and when. The detailed representation of information isContinue reading “IoT Domain Sub model– Information Model”
• IoT Domain Model–A brief IntroductionApril 3, 2022
  Definition A model that is a base of any reference model, that creates a model for any specific domain and in this case , it is an IoT domain. Below are the work scope of this model: Define abstraction and not including real implementation Define Responsibilities Define relationship Following are Sub-models of the IoT DomainContinue reading “IoT Domain Model–A brief Introduction”
• IoT Reference Model – Domain Model EntitiesApril 2, 2022
  To illustrate and build a reference domain model for a very generic scenario of any IOT solution; below table describes all the entities that are required to define by solution architect: Entity In Domain Model Description User – A human being or a service or an application or a software agent. – Different types ofContinue reading “IoT Reference Model – Domain Model Entities”
• IoT – Basics of a reference modelMarch 27, 2022
  Q 1. Why do we need an IoT Reference model? To establish a common understanding for building IoT architecture of complete IoT systems. It is based on below requirements: Independent from any technologies or use-cases. Support for Cross Platforms. To define components involved and their structures (attributes & relationship) for any IoT system. Do notContinue reading “IoT – Basics of a reference model”
• IoT – Implementation of various security techniques to address real threatsMarch 26, 2022
  Real Threats Security Techniques Messages can be read by anyone on the internet. Various symmetric encryption techniques to make sure only sender and receivers can understand the message. Examples: – Advanced Encryption Standard(AES) – Data Encryption Standard(DES) Unencrypted or encrypted messages can be altered by anyone on the internet. Various Integrity protection techniques like HashContinue reading “IoT – Implementation of various security techniques to address real threats”
• IoT – Common security in wireless communication TechnologiesMarch 25, 2022
  Technologies Security Drawbacks ZigBee Three types of security: Control and managing who or what can view or use resources. Encryption IntegrityIt provides security by assigning a mandatory network key to each device for proper authorization. Network key assigned to different devices are fixed and cannot be changed later. Bluetooth It provides encryption of data betweenContinue reading “IoT – Common security in wireless communication Technologies”
• IoT Layered Architecture – Security ThreatsFebruary 21, 2022
  1. Perception Layer: Eavesdropping: Stealing the information transmitted between sender & Receiver. Node Capture: Getting full control of node like gateway node. That way all types of data including key used to build secure connection along with data in memory. Fake Node & Malicious node: Adding not a valid or real node to occupy networkContinue reading “IoT Layered Architecture – Security Threats”
• IoT Platform – MainFluxFebruary 13, 2022
  Description It is on premise and cloud (or hybrid) based IoT Platform that provides: Device management Data aggregation and data management Connectivity and message routing Event management User Interface Core analytics It is developed by considering following three main entities: Users : These are real users who can access and manage resources (CRUD). Things :Continue reading “IoT Platform – MainFlux”
• IoT Platform – OpenRemoteFebruary 12, 2022
  Description OpenRemote IoT platforms enables connecting various network connected assets/entities/things to mobile and Web application. OpenRemote platform architecture is split among following 6 major categories of IoT Solutions: Frontend Services (Manager) Agents Security Edge Gateway Console Below table describes solutions provided by OpenRemote for above mentioned categories: IoT Solution Categories Features/Tools provided by OpenRemote FrontendContinue reading “IoT Platform – OpenRemote”