Network Diagram for sample web store


  • Users access the store across the Internet (a large cloud we don’t know much about). 
  • The protocol is HTTP and HTTPS and uses the ports 80 and 443.

  • User requests are directed to the store (if the URI is /store/) and to the catalog (if the URI is /catalog/).User requests are directed to the store (if the URI is /store/) and to the catalog (if the URI is /catalog/).

  • Both, the catalog HTTP servers and the web application servers are clustered.
  • The connection between the reverse proxy and web application servers is secured, whereas the catalog is always accessed unsecured. 
  • The nodes in the web application server cluster access the database via JDBC on port 5000.
  • The firewall between the DMZ and Intranet needs to have port 443 inbound open.

Also referred to as Architecture Overview Diagram, Network diagram is a good way to quickly model a future environment and iterate over it until it fits the requirements.

Typical uses:

As a quick way to gain an understanding about an environment and as basis for refinement.

As a tool for placing deployment units (installable components of the developed software) onto physical nodes.

As work-document for the entire software development project, such as setting up development environments, test environments, performance test environments, etc.

As deployment diagram/deployment model for software applications. It will be used as input for other architecture and planning work, such as: infrastructure architecture, infrastructure planning, etc.

As operational diagram. It will be used as input for the operational planning, technical support structures, and others. It may be enhanced to become a walk-through diagram, i.e. showing the how a request flows through the infrastructure from the user to the last node in the chain, such as an E-Mail gateway, database server, etc. This can be very helpful for problem determination.

As means to communicate the architecture you created.

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by krishanti13

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Public - 5/22/16, 8:59 AM