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Introduce to Public Cloud Service. Taiwan ITQ. Agenda. About Public Cloud Commercial Public Cloud service Introduction Selected Labs: Lab: Free Cloud Storage Lab: Microsoft AZURE Service Lab: HP Cloud. What is a Public Cloud?. A service provides the resources: Applications Storage

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Presentation Transcript
  • About Public Cloud
  • Commercial Public Cloud service Introduction
  • Selected Labs:
    • Lab: Free Cloud Storage
    • Lab: Microsoft AZURE Service
    • Lab: HP Cloud
what is a public cloud
What is a Public Cloud?
  • Aservice provides the resources:
    • Applications
    • Storage
    • Compute
    • Development platforms
    • Etc.
  • Must be available to the public on the internet
  • Makes it easy for the public to access better web browsing to meet their needs.
  • Are operated and managed at datacenters
  • Belonging to service providers and shared by multiple customers
benefits of public cloud computing
Benefits of ‘Public Cloud Computing’
  • Easy to use
  • Inexpensive to set up
  • Low cost
  • Hardware, application and bandwidth are managed by the providers
  • Capable to be climbed up over and to meet the needs
  • No wasted resources
    • what you use, you pay  for that
  • Better ROI and faster time to market
weakness of public cloud computing
Weakness of ‘Public Cloud Computing’

Less visibility and control



Data in the cloud

delivery models
Delivery Models
  • IaaS (Infrastructure as a Service)
    • Shared infrastructure such as servers, storage and network are delivered as a service over the internet
    • Amazon Web Services, Rackspace Cloud, etc.
  • PaaS (Platform as a Service)
    • Application development framework offered as a service to developers for quick deployment of their code
    • Google App Engine, Heroku, Cloud Foundry, etc.
  • SaaS (Software as a Service)
    • Application software offered as a service using a multitenant model which can be consumed using web browsers.
    • Gmail, Salesforce, etc.
trend micro survey results
Trend Micro Survey Results
  • 43% of the respondents using a cloud service reported that they have experienced a data security lapse/issue in the last 12 months.
  • 55% expressed concerns that shared storage is vulnerable without encryption.
  • 49% of them said a guaranteed SLA will help them adopt public clouds.
  • 93% of the respondents indicated that their organization is using at least one cloud service when they were presented with a list of cloud providers.
    • However, 7% of these same respondents had previously indicated in the survey that their company had no plans to deploy cloud services —showing that this 7% did not realize that their company had already deployed cloud computing.
  • 85% of those using a public cloud in production said they are encrypting the data stored in the cloud and keep a local copy synched to the cloud.
cost savings
Cost Savings
  • Eliminates CAPEX(Capital Expenditure) and offers reduced OPEX(Operating Expenditure)
    • the maintenance and labor costs associated with managing the infrastructure is offloaded to a third-party provider.
  • Ensures cost efficiency because of the pay-per-use models.
    • Service providers charge by the hour and this comes in handy when a company’s resource needs are for a temporary project or to meet a sudden spike in usage.
  • Offers self-service provisioning, leading to lower costs and better agility
    • Human intervention in resource provisioning is minimized.
business flexibility
Business Flexibility
  • Provides massive scalability and an ability to re-size compute resources.
  • Gives programmatic access to compute resources through API
    • Helping applications scale automatically without any human intervention.
  • Supplies robust infrastructure with better support staff, offering cost and talent advantages in an increasingly shrinking pool of expertise.
security issue of public cloud
Security issue of public cloud
  • Multi-tenancy risks
    • unauthorized access of data by other tenants using the same hardware
    • resource contention
  • Control and visibility
    • Businesses have limited control and visibility because the vendor
    • is responsible for completely managing the infrastructure
  • Security responsibility
  • Data and encryption
  • Data retention
    • When the data is moved or deleted by a service provider or customer,
    • there may be remaining data remnants
  • Compliance requirements
    • Different countries have different regulatory requirements
    • on data privacy.
public cloud use cases
Public Cloud Use Cases

A video production company can use public clouds for video rendering and pay for only the time they used the resources.

A business can tap into public clouds when they expect unpredictable demand during a marketing promotion.

A pharmaceutical company can run their drug design processes on public cloud, thereby, accelerating the time to market.



More and more workloads can be moved to the public clouds.

additional question before adopt public cloud service
Additional question before adopt public cloud service
  • Sufficient internet access bandwidth?
    • Business to Cloud Service Provider bandwidth
    • Customer to Cloud Service Providerbandwidth
  • Will transform to other platform?
security best practices
Security best practices

VM-level security

Multi-layered defense

Data and encryption

Patch management

Identity and access

Regulator compliance

free cloud storage
Free Cloud Storage

Dropbox (2GB)

口袋碟 (6GB)

CHT CloudBox (2GB)

Google Drive (5GB)

MS SkyDrive (7GB)

windows azure
Windows Azure
  • Require:
    • Microsoft Account
    • Phone Certification
    • Credit Card
paas example hp cloud
PaaS Example : HP Cloud
  • Requirement:
    • Credit Card