Podcast
Questions and Answers
What is the first step in the design methodology for the IaaS service model?
What is the first step in the design methodology for the IaaS service model?
- Component Design (correct)
- Architecture Design
- Deployment Design
- Integration Design
In IaaS component design, what should be evaluated for each component?
In IaaS component design, what should be evaluated for each component?
- Testing strategies for application components
- Implementation alternatives for design patterns (correct)
- Cost analysis of cloud resources
- User interface design principles
What design principle is emphasized for loosely coupled designs in IaaS architecture?
What design principle is emphasized for loosely coupled designs in IaaS architecture?
- Messaging queues for asynchronous communication (correct)
- Single-point failure strategies
- Tightly integrated components
- Synchronous communication
What is NOT required in the PaaS service model design methodology?
What is NOT required in the PaaS service model design methodology?
Which guideline should be followed for stateless designs in IaaS architecture?
Which guideline should be followed for stateless designs in IaaS architecture?
What is a key consideration in PaaS component design?
What is a key consideration in PaaS component design?
Which of the following is a component of the deployment design in IaaS?
Which of the following is a component of the deployment design in IaaS?
Which statement is true regarding different PaaS offerings?
Which statement is true regarding different PaaS offerings?
What is primarily handled by the platform in PaaS environments?
What is primarily handled by the platform in PaaS environments?
What component is responsible for collecting social media feeds in the application tier?
What component is responsible for collecting social media feeds in the application tier?
Which database technology is utilized in the database tier of the Social Media Analytics App?
Which database technology is utilized in the database tier of the Social Media Analytics App?
In the Image Processing application, which component corresponds to user interactions such as image submission?
In the Image Processing application, which component corresponds to user interactions such as image submission?
Which framework is used in the architecture design of the Image Processing app?
Which framework is used in the architecture design of the Image Processing app?
What is the main purpose of separating the Listener and Consumer components in the architecture design?
What is the main purpose of separating the Listener and Consumer components in the architecture design?
Which tier is responsible for rendering the results in the dashboard?
Which tier is responsible for rendering the results in the dashboard?
What major constraint is associated with PaaS applications?
What major constraint is associated with PaaS applications?
Which tier of the Image Processing application stores the processed images?
Which tier of the Image Processing application stores the processed images?
What role does the cloud storage play in the deployment design?
What role does the cloud storage play in the deployment design?
Which component retrieves the feeds from the queue for analysis?
Which component retrieves the feeds from the queue for analysis?
What component design aspect corresponds to equation processing requests for displaying results in the Image Processing app?
What component design aspect corresponds to equation processing requests for displaying results in the Image Processing app?
In the deployment design of the app, which component is responsible for distributing network traffic?
In the deployment design of the app, which component is responsible for distributing network traffic?
In a multi-tier architecture, which component is typically used to manage traffic between the application servers?
In a multi-tier architecture, which component is typically used to manage traffic between the application servers?
Which element in the deployment design connects to cloud storage for processed images?
Which element in the deployment design connects to cloud storage for processed images?
The aggregated results of the feeds analysis are displayed to users through which application framework?
The aggregated results of the feeds analysis are displayed to users through which application framework?
What purpose does the web tier serve in the MapReduce app?
What purpose does the web tier serve in the MapReduce app?
Which component is responsible for sending email notifications in the MapReduce app's application tier?
Which component is responsible for sending email notifications in the MapReduce app's application tier?
How does the MapReduce app ensure scalability in job processing?
How does the MapReduce app ensure scalability in job processing?
What cloud service is used for job submission and processing in the MapReduce app?
What cloud service is used for job submission and processing in the MapReduce app?
What type of architecture does the Social Media Analytics application employ?
What type of architecture does the Social Media Analytics application employ?
Which framework is used in the architecture design of the MapReduce app?
Which framework is used in the architecture design of the MapReduce app?
What is the primary function of the analytics tier in the MapReduce app?
What is the primary function of the analytics tier in the MapReduce app?
What is the main data source for the Social Media Analytics app?
What is the main data source for the Social Media Analytics app?
What role does the application tier play in the Cloud Drive app?
What role does the application tier play in the Cloud Drive app?
Which framework is used for the web tier components of the Cloud Drive app?
Which framework is used for the web tier components of the Cloud Drive app?
What type of database is used in the database tier of the Cloud Drive app?
What type of database is used in the database tier of the Cloud Drive app?
In the deployment design of the Cloud Drive app, what is the purpose of the load balancer?
In the deployment design of the Cloud Drive app, what is the purpose of the load balancer?
What functionality does the MapReduce app provide?
What functionality does the MapReduce app provide?
What is the purpose of the storage tier in the Cloud Drive app?
What is the purpose of the storage tier in the Cloud Drive app?
In the architecture design of the Cloud Drive app, what does the application tier correspond to?
In the architecture design of the Cloud Drive app, what does the application tier correspond to?
Which service is the MapReduce app based on?
Which service is the MapReduce app based on?
Flashcards
Component Design (Cloud App Dev)
Component Design (Cloud App Dev)
The process of identifying the building blocks of your cloud application and allocating them to specific cloud resources. This includes defining inputs, outputs, interfaces, and potential design patterns.
Architecture Design (Cloud App Dev)
Architecture Design (Cloud App Dev)
Defines how different components of your cloud application interact with each other, ensuring loose coupling and a stateless design. This involves using messaging queues, functional interfaces, and external status databases.
Deployment Design (Cloud App Dev)
Deployment Design (Cloud App Dev)
Mapping each component of your application to specific cloud resources like web servers, database servers, or application servers.
Component Design in PaaS
Component Design in PaaS
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Platform Specific Software (PaaS)
Platform Specific Software (PaaS)
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Loosely Coupled and Stateless Design
Loosely Coupled and Stateless Design
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Messaging Queues (Cloud App Dev)
Messaging Queues (Cloud App Dev)
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Functional Interfaces (Cloud App Dev)
Functional Interfaces (Cloud App Dev)
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Sandbox Environments
Sandbox Environments
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Deployment & Scaling in PaaS
Deployment & Scaling in PaaS
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Portability in PaaS
Portability in PaaS
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Web Tier in Image Processing App
Web Tier in Image Processing App
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Application Tier in Image Processing App
Application Tier in Image Processing App
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Storage Tier in Image Processing App
Storage Tier in Image Processing App
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Architecture Design in Image Processing App
Architecture Design in Image Processing App
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Deployment Design in Image Processing App
Deployment Design in Image Processing App
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Web Tier in MapReduce App
Web Tier in MapReduce App
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Application Tier in MapReduce App
Application Tier in MapReduce App
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Analytics Tier and Storage Tier in MapReduce App
Analytics Tier and Storage Tier in MapReduce App
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Hadoop Framework
Hadoop Framework
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Component Design of Social Media Analytics App
Component Design of Social Media Analytics App
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Web Tier in Social Media Analytics App
Web Tier in Social Media Analytics App
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Deployment Design for MapReduce App
Deployment Design for MapReduce App
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Amazon EMR (Elastic MapReduce)
Amazon EMR (Elastic MapReduce)
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Multi-tier Architecture
Multi-tier Architecture
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Load Balancer
Load Balancer
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Application Servers
Application Servers
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Django Framework
Django Framework
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MySQL Database
MySQL Database
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Cloud Storage
Cloud Storage
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MapReduce
MapReduce
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Deployment
Deployment
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Application Tier
Application Tier
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Database Tier
Database Tier
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Storage Tier
Storage Tier
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Listener
Listener
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Consumer
Consumer
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Deployment Design
Deployment Design
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Architecture Design
Architecture Design
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Dashboard
Dashboard
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Study Notes
Introduction
- This document is about cloud application development in Python.
- It covers design methodologies and case studies for cloud applications.
- The book is titled "Cloud Computing: A Hands-On Approach" by Arshdeep Bahga and Vijay Madisetti.
Design Methodology for IaaS Service Model
- Identify application components and their functions.
- Group components based on cloud resource needs.
- Define component inputs, outputs, and interfaces.
- Evaluate implementation options (e.g., MVC).
- Define interactions between application components.
- Design for loosely coupled, stateless systems (e.g., messaging queues, REST APIs, external databases).
- Map components to cloud resources (web servers, app servers, databases).
Design Methodology for PaaS Service Model
- Architecture and deployment are handled by the platform.
- Developers need to consider platform-specific features.
- Platform-specific SDKs are available for different PaaS offerings (e.g., Google App Engine, Windows Azure Web Sites).
- Applications run in isolated environments (sandboxes).
- Platform manages deployment and scaling.
- Portability can be a constraint due to platform dependence.
Image Processing App
- Functionality: A cloud-based image processing application with online filtering.
- Component Design: Web tier (front ends for submission/display), Application tier (image processing components), and Storage tier (processed images).
Image Processing App - Architecture Design
- The application uses the Django framework.
- Web tier components map to Django templates.
- Application tier components map to Django views.
- Cloud storage (e.g., S3) is used for the storage tier.
Image Processing App - Deployment Design
- Deployment architecture is multi-tier (load balancer, application servers, cloud storage).
- Each resource uses a corresponding Amazon Web Services (AWS) cloud service.
Cloud Drive App
- Functionality: A cloud-based document storage application.
- Component Design: Web tier (front ends for file handling and user profiles), Application tier (components for file processing/user management), Database tier (user credentials), and Storage tier (file storage).
Cloud Drive App - Architecture Design
- This application uses the Django framework, with mappings to templates and views.
- The database uses MySQL. Storage utilizes cloud storage (e.g., S3).
Cloud Drive App - Deployment Design
- Architecture is multi-tier (load balancer, application servers, cloud storage, database).
- Uses Amazon Web Services (AWS) cloud services.
MapReduce App
- Functionality: Allows submitting MapReduce jobs for data analysis.
- Component Design:
- Web tier (front end for job submission).
- Application tier (file upload/job creation/enqueueing).
- Analytics tier (using Hadoop framework).
- Storage tier (for files).
MapReduce App - Architecture Design
- Application utilizes Django framework, which maps components to templates and views.
- Job submission and processing are separated for scalability.
- Job requests are placed in a queue.
- A consumer component executes MapReduce jobs and submits them to the Amazon EMR service.
MapReduce App - Deployment Design
- Multi-tier architecture using load balancers, application servers, cloud storage, and queueing mechanisms.
- Each resource uses a corresponding AWS cloud service.
Social Media Analytics App
- Functionality: A cloud-based application for social media analytics, tracking keyword trends and sentiment.
- Component Design:
- Web tier (displaying results).
- Application tier (listening, analysis, dashboard).
- Database tier (MongoDB).
- Storage tier (files).
Social Media Analytics App - Architecture Design
- The app is scalable through separating feeds collection and processing components (Listener and Consumer).
- The Listener fetches tweets and enqueues them to a queue. The Consumer analyzes tweets and stores results in a database.
- Results are displayed through a Django application.
Social Media Analytics App - Deployment Design
- Architecture is multi-tier (load balancer, application servers, queueing mechanisms, cloud storage, database).
- Uses Amazon Web Services (AWS) cloud services.
Further Reading
- Includes relevant articles, websites, and documentation about cloud computing and Django.
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