cloud intro - ppt 1 Flashcards
What is the primary function of distributed computing?
To solve computational problems through autonomous computational entities.
properties of distributed computing systems?
● Fault tolerance
● Each node play partial role
● Resource sharing
● Load Sharing
● Easy to expand
● Performance
● no centralized control
what is the primary function of grid computing?
harnesses unused processing cycles of all computers in a network for
solving problems too intensive for any stand-alone machine.
In Grid Computing, what analogy is used to describe how resources are accessed?
Electrical power grid
When we use Grid computing?
● Share data, computing power, and applications in dynamic, multi-institutional virtual organizations.
● Efficient resource sharing across institutes with collaboration to solve common problems (virtual organizations).
● Join local communities for collaboration.
● Ensure seamless, transparent interactions with underlying system layers for users.
What are the type of Grids ?
● Computational Grid
● Data Grid
● Collaboration Grid
● Network Grid
● Utility Grid
What is the primary function of cluster computing?
type of parallel or distributed computer system, which consists of
a collection of inter connected stand-alone computers working together as a
single integrated computing resource .
What are the benefits of cluster computing?
● System availability
● Hardware fault tolerance
● OS and application reliability
● Scalability
● High performance
What is the primary function of Utility computing?
service provisioning model in which a service provider makes computing resources and infrastructure management available to the customer as needed, and charges them for specific usage rather than a flat rate.
Advantage of utility computing?
low cost to acquire computer resources
Properties of utility computing?
○ Pay-for-use
○ Pricing Business Model
○ Data Center Virtualization and Provisioning
○ Solves Resource Utilization Problem
○ Outsourcing
○ Web Services
○ Delivery Automation
key characteristic of Cloud Computing?
○ On-demand self-service
○ Broad network access
○ Resource Pooling
○ Measured Service
○ Rapid elasticity
Cloud Advantages?
● Lower computer costs
● Improved Performance
● Reduced software costs
● Instant software updates
● Improved document format compatibility
● Unlimited storage capacity
● Increased data reliability
● Universal information access
● Latest version availability
● Easier group collaboration
● Device independence
cloud Disadvantages?
● Requires a constant
internet connection
● Limited Features
● Security
cloud service models?
A) Software as a Service (SaaS)
B) Platform as a Service (PaaS)
C) Infrastructure as a Service (IaaS)
D) On Premises
Cloud Deployment Models?
● Private Cloud
● Public Cloud
● Hybrid Cloud
● Community Cloud
Benefits of Virtualization?
● Instant provisioning
● Fast scalability
● Live Migration is possible
● Load balancing and consolidation in a Data Center is possible.
● Low downtime for maintenance
● Security and fault isolation
Service oriented Architecture?
● It defines a way to make software components reusable using the
interfaces.
● SOA allows users to combine a large number of facilities from existing
services to form applications.
two major roles of SOA?
● Two major roles
○ Service provider
○ Service consumer
Design principles of SOA?
Design Principles:
○ Loose coupling
○ Abstraction
○ Reusability
○ Composability
