All processing done at the web server. Single program contains entire server side. Monolithic, low cohesion, big bang upgrades & dev. Requires server side sessions to store client state. Limits scale
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Microservices
Lots of small cohesive services. Based around resources - service per resource. Stateless - no server side sessions. All client state is managed by the client. Easier upgrades. Disposable - as need basis. Elasticity. Allows for reliability and load b
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RESTful services
Resources (domain objects) have URIs. CRUD operations are mapped to HTTP verbs. Messages are encoded objects (usually JSON). Modern Web Dev is RESTful microservices + AJAX clients. Allows for cleints to use same microservice as AJAX client. M2M to in
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AJAX
Asyncronous javascript and XML. A web dev methodology for client side web aps. Usues a web servie as the data source. All dynamic web content produced in the browser.
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Asynchronous
AJAX updates the pages on the fly making lots of small fast requests. Minimises delays. Responses are handled by callback functions.
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JavaScript
Runs inside the webbrowser. Can assign any type to any variable at any time. Dynamically typed. Has several implications - code completion and compiler issues
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JavaScript is Object Oriented
Prototype based rather than class based. Can create objects using other objects as prototypes.
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Angular JS
Open source AJAX framework - features MVC, a RESTful resource API, JSON to object conversion. ANgularJS sits between the web browser and the web server - sending and receiving JSON.
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AngularJS
Clean separation of HTML and application code. The
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Other cards in this set
Card 2
Front
Microservices
Back
Lots of small cohesive services. Based around resources - service per resource. Stateless - no server side sessions. All client state is managed by the client. Easier upgrades. Disposable - as need basis. Elasticity. Allows for reliability and load b
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