Need 500 words for below question and also with in-text citations and references and Make sure 0% Plagiarism and Don’t do translation process to change the words. Write in your own words. Please find attachment mvcd.Review the presentation above regarding the Model View Controller Design pattern before attempting this assignment.  You may use the above presentation as a reference, but if you do, you must cite it in your references.Research the Model-View-Controller (MVC) layered architectural pattern and the Client-Server architectural pattern.Explain each architectural approach and describe how each is organized (i.e., how they work).Compare and contrast each architectural pattern. What types of systems and application development environments might each be best suited for?Which of the two architectural patterns are best suited for dynamic application development environments characterized by high rates of change?  Why?Your analysis should be at least  more than 500 words.Model View
Controller
By: Patrick Gold
Why is it important?
• You are very likely to be asked about MVC during a
job interview in the next few years.
• MVC is rapidly becoming the latest buzz word for
Web development.
MVC
MVC
• MVC is all about the separation of code and the
separation of responsibility.
• You specifically break the code up by into three
different sections, often names “XXXModel”,
“XXXController”, and “XXXView” that are supposed
to have clear and distinct responsibility.
Other Options?
• Prior to MVC, a common model is what I call the
“Reentrant” design. I don’t know the formal name
for this design.
• In this design, all of the code related to a single
page is stored all together in one file, or possibly in a
very small number of files based on file types.
• This would often result in VERY VERY large files. I
have seen 10,000 lines of code to drive one web
page.
MVC
• With MVC you clearly break the logic down into
different files based on what it does.
• The files could be the same file type with the same
type code, or they may be different programming
languages.
Model
• The model controls the data for the web page.
• All SQL and database calls are housed within the
model.
• All efforts should be made to reuse existing model
objects if possible.
• This is usually, though not always entirely, server side
code
View
• The view paints the page.
• Anything related to color, visibility of components,
or anything the user can directly see are part of the
View.
• This is often HTML. This may also be JSP, PHP, or
perhaps calls to a Javscript framework like ExtJS.
Controller
• When the user DOES something, that calls Controller
code.
• The Controller code may pass the information to a
Model component, or call a method within the
View Component.
• The Controller will often be a mix of both client side
components, usually in the form of Javascript, and
server side components.
Rules of the Game
• The Model should never embed HTML tags in values
that it sends to the View or Controller. The
Controller should never pass an HTML tag to the
View. All HTML tags should be handled directly
within a View Component.
• Code associated with one component should
never be in the same file as that of another.
• Very often the files containing a component will
have the name “Model”, “View”, or “Controller”
added to their file name.
Data
in a
DB
Save
Changes
Load
Data
From the
Database
Example
Model
(Java)
View
(JSP)
Web
Page
User
Updates
Controller
(Java
Servlet)
Controller
(Javascript
)
MVC Continued
• Breaking the code out into multiple files is supposed
to lend itself to reuse
o In practice, re-use is likely to be rare
• Breaking the code into multiple files means that
instead of having one file that is 10,000 lines long to
review, you might instead have 3-6 (or more) files
totaling 10,000 lines or more.
o At least each file is smaller
MVC Continued
• If a web page pulls from multiple tables, each table
may have its own Model File.
• If a web page contains sub-components, such as
tabs, then each tab may contain its own View File.
• Controller components may be divided as the
programmer saw fit.
Example using ExtJS (a
Javascript Framework)
Data
in a
DB
Java
Servlet
JSON
Data
Model
(ExtJS JS)
View
(ExtJS
JS)
Web
Page
Controller
(ExtJS JS)
User
Updates
Key Take Aways
• MVC is all about the separation of Files and
Separation of Responsibility
• You take your code and place it in separate files
based on what it does
• You should never mix the code
• Components may be the same type of code or
different types, depending on when and where it
operates

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