Multi User Chat Application Dataflow Diagram

Posted By namita on July 7, 2017

Multi User Chat Application Data flow diagram is often used as a preliminary step to create an overview of the Chat without going into great detail, which can later be elaborated.it normally consists of overall application dataflow and processes of the Chat process. It contains all of the userflow and their entities such all the flow of Chat, Chat History, Chat Profile, Multi Chat, User, Group Chat, Smiley Chat. All of the below diagrams has been used for the visualization of data processing and structured design of the Chat process and working flow.


Zero Level Data flow Diagram(0 Level DFD) of Multi User Chat Application :

This is the Zero Level DFD of Multi User Chat Application, where we have eloborated the high level process of Chat. It’s a basic overview of the whole Multi User Chat Application or process being analyzed or modeled. It’s designed to be an at-a-glance view of User,Group Chat and Smiley Chat showing the system as a single high-level process, with its relationship to external entities of Chat,Chat History and Chat Profile. It should be easily understood by a wide audience, including Chat,Chat Profile and User In zero leve DFD of Multi User Chat Application, we have described the high level flow of the Chat system.

High Level Entities and proccess flow of Multi User Chat Application:

  • Managing all the Chat
  • Managing all the Chat History
  • Managing all the Chat Profile
  • Managing all the Multi Chat
  • Managing all the User
  • Managing all the Group Chat
  • Managing all the Smiley Chat
Zero Level Data flow Diagram(0 Level DFD) of Multi User Chat Application

First Level Data flow Diagram(1st Level DFD) of Multi User Chat Application :

First Level DFD (1st Level) of Multi User Chat Application shows how the system is divided into sub-systems (processes), each of which deals with one or more of the data flows to or from an external agent, and which together provide all of the functionality of the Multi User Chat Application system as a whole. It also identifies internal data stores of Smiley Chat, Group Chat, User, Multi Chat, Chat Profile that must be present in order for the Chat system to do its job, and shows the flow of data between the various parts of Chat, Chat Profile, Group Chat, Smiley Chat, User of the system. DFD Level 1 provides a more detailed breakout of pieces of the 1st level DFD. You will highlight the main functionalities of Chat.

Main entities and output of First Level DFD (1st Level DFD):

  • Processing Chat records and generate report of all Chat
  • Processing Chat History records and generate report of all Chat History
  • Processing Chat Profile records and generate report of all Chat Profile
  • Processing Multi Chat records and generate report of all Multi Chat
  • Processing User records and generate report of all User
  • Processing Group Chat records and generate report of all Group Chat
  • Processing Smiley Chat records and generate report of all Smiley Chat
First Level Data flow Diagram(1st Level DFD) of Multi User Chat Application

Second Level Data flow Diagram(2nd Level DFD) of Multi User Chat Application :

DFD Level 2 then goes one step deeper into parts of Level 1 of Chat. It may require more functionalities of Chat to reach the necessary level of detail about the Chat functioning. First Level DFD (1st Level) of Multi User Chat Application shows how the system is divided into sub-systems (processes). The 2nd Level DFD contains more details of Smiley Chat, Group Chat, User, Multi Chat, Chat Profile, Chat History, Chat.

Low level functionalities of Multi User Chat Application

  • Admin logins to the system and manage all the functionalities of Multi User Chat Application
  • Admin can add, edit, delete and view the records of Chat, Chat Profile, User, Smiley Chat
  • Admin can manage all the details of Chat History, Multi Chat, Group Chat
  • Admin can also generate reports of Chat, Chat History, Chat Profile, Multi Chat, User, Group Chat
  • Admin can search the details of Chat History, User, Group Chat
  • Admin can apply different level of filters on report of Chat, Multi Chat, User
  • Admin can tracks the detailed information of Chat History, Chat Profile, Multi Chat, , User
Second Level Data flow Diagram(2nd Level DFD) of Multi User Chat Application
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