Classes, interfaces, objects, functions, etc). With a SketchUp is a premier 3D design software that truly makes 3D modeling for everyone, with a simple to learn yet robust toolset that empowers you to create.And people use the software systems that we build.A software system is made up of one or more containers (web applications, mobile apps, desktop applications, databases, file systems, etc),Each of which contains one or more components,Which in turn are implemented by one or more code elements (e.g. Choose from a wide variety of tiles, hardwood, and any color of paint. Create multiple stories, design decks, and customize your roof.In real terms, a container is something like: A container is something that needs toBe running in order for the overall software system to work. This includes the software system you are modelling, and the other software systems upon which your software system depends (or vice versa).In many cases, a software system is "owned by" a single software development team.Not Docker! In the C4 model, a container represents an application or a data store. Actors, roles, personas, etc).A software system is the highest level of abstraction and describes something that delivers value to its users, whether they are human or not.Server-side console application: A standalone (e.g. Mobile app: An Apple iOS app, an Android app, a Microsoft Windows Phone app, etc. Client-side desktop application: A Windows desktop application written using WPF, an OS X desktop application written using Objective-C, a cross-platform desktop application written using JavaFX, etc. Client-side web application: A JavaScript application running in a web browser using Angular, Backbone.JS, jQuery, etc.
![]() Software For Architectural Design Full Local FileAspects such as how those components are packaged (e.g. Shell script: A single shell script written in Bash, etc.A container is essentially a context or boundary inside which some code is executed or some data is stored.And each container is a separately deployable/runnable thing or runtime environment, typically (but not always) running in its own process space.Because of this, communication between containers typically takes the form of an inter-process communication.The word "component" is a hugely overloaded term in the software development industry, but in this context a component is a grouping of related functionality encapsulated behind a well-defined interface.If you're using a language like Java or C#, the simplest way to think of a component is that it's a collection of implementation classes behind an interface. File system: A full local file system or a portion of a larger networked file system (e.g. Akamai, Amazon CloudFront, etc). Amazon S3, Microsoft Azure Blob Storage, etc) or content delivery network (e.g.![]() ![]() A separate process space) that executes code or stores data.The Container diagram shows the high-level shape of the software architecture and how responsibilitiesAre distributed across it. Typically these other software systems sit outside the scope or boundary of your own software system, and you don’t have responsibility or ownership of them.Intended audience: Everybody, both technical and non-technical people, inside and outside of the software development team.Once you understand how your system fits in to the overall IT environment, a really useful next step is to zoom-in to the system boundary with a Container diagram.A "container" is something like a server-side web application, single-page application, desktop application, mobile app, database schema, file system, etc.Essentially, a container is a separately runnable/deployable unit (e.g. Users, actors, roles, or personas) and software systems (external dependencies) that are directly connected to the software system in scope. It's the sort of diagram that you could show to non-technical people.Primary elements: The software system in scope.Supporting elements: People (e.g. Draw a diagram showing your systemAs a box in the centre, surrounded by its users and the other systems that it interacts with.Detail isn't important here as this is your zoomed out view showing a big picture of the system landscape.The focus should be on people (actors, roles, personas, etc) and software systems rather than technologies,Protocols and other low-level details. Cain and abel download macA physical server or device), virtualised infrastructure (e.g. From a practical perspective, a system landscape diagram is really just a system context diagram without a specific focus on a particular software system.Primary elements: People and software systems related to the enterprise in scope.Intended audience: Technical and non-technical people, inside and outside of the software development team.A deployment diagram allows you to illustrate how software systems and/or containers in the static model are mapped to infrastructure.This deployment diagram is based upon a UML deployment diagram, although simplified slightly to show the mapping between containers and deployment nodes.A deployment node is something like physical infrastructure (e.g. Like the System Context diagram, this diagram can showThe organisational boundary, internal/external users and internal/external systems.Essentially this is a high-level map of the software systems at the enterprise level, with a C4 drill-down for each software system of interest. It's a simple, high-level technology focussed diagram that is useful forSoftware developers and support/operations staff alike.Primary elements: Containers within the software system in scope.Supporting elements: People and software systems directly connected to the containers.Intended audience: Technical people inside and outside of the software development team including software architects, developers and operations/support staff.Notes: This diagram says nothing about deployment scenarios, clustering, replication, failover, etc.The C4 model provides a static view of a single software system but, in the real-world, software systems never live in isolation.For this reason, and particularly if you are responsible for a collection of software systems, it's often useful to understand how all of these software systems fit together within the bounds of an enterprise.To do this, simply add another diagram that sits "on top" of the C4 diagrams, to show the system landscape from an IT perspective. If the microservices are a part of a software system that you are building (i.e. Spring Boot, ASP.NET MVC, etc) that reads/writes to a relational database schema.Regardless of whether you consider the term "microservice" to refer to just the API app, or the combination of the API app and database schema. They are owned and/or operated by a separate team), model these microservices as external software systems, that you can't see inside of.Approach 2: A single team owns multiple "microservices"Imagine that you have an API app (e.g. Deployment nodes can be nested.You may also want to include infrastructure nodes such as DNS services, load balancers, firewalls, etc.Primary elements: Deployment nodes, software system instances, and container instances.Supporting elements: Infrastructure nodes used in the deployment of the software system.Intended audience: Technical people inside and outside of the software development team including software architects, developers, infrastructure architects, and operations/support staff.How do you model microservices and serverless?Broadly speaking, there are two options for diagramming microservices when using the C4 model, although it depends what you mean by "microservice".Approach 1: Each "microservice" is owned by a separate teamIf your software system has a dependency upon a number of microservices that are outside of your control (e.g. A database server, Java EE web/application server, Microsoft IIS), etc. A Docker container), an execution environment (e.g.
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