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Cloud computing

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ananyaakk

what is cloud computing? history advantages and disadvantages,etc

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Cloud computing is an on-demand service model for IT provision, often based on
virtualization and distributed computing technologies. Cloud computing architectures
have:
•highly abstracted resources
•near instant scalability and flexibility
•near instantaneous provisioning
•shared resources (hardware, database, memory, etc)
•‘service on demand’, usually with a ‘pay as you go’ billing system
•programmatic management (e.g., through WS API)
Why we call “Cloud computing”




                      Cloud
Common Attributes of Cloud Computing

• Pooled computing – advanced virtualization
•   Delivered over the Internet
•   Elastic scaling
•   Flexible pricing – pay only for they use
•   Provide resources as a service
Common Attributes of Cloud Computing

• Pooled computing – advanced virtualization
• Delivered over the Network
• Elastic scaling
• Flexible pricing – pay only for they use
• Provide resources as a service
Common Attributes of Cloud Computing
• Pooled computing – advanced virtualization
• Delivered over the Internet
• Elastic scaling
• Flexible pricing – pay only for they use
• Provide resources as a service
Common Attributes of Cloud Computing

• Pooled computing – advanced virtualization
• Delivered over the Internet
• Elastic scaling
• Flexible pricing – pay only for they use
• Provide resources as a service
Common Attributes of Cloud Computing

•   Pooled computing – advanced virtualization
•   Delivered over the Internet
•   Elastic scaling
•   Flexible pricing – pay only for they use
• Provide resources as a service
The LAYERS are broadly divided into three
categories:

• Infrastructure-as-a-Service (IaaS)
• Platform-as-a-Service (PaaS)
• Software(application)-as-a-Service (SaaS)
Cloud Service Layers - Containing


 Software as a            Collaboration         Business Processes

 Service (SaaS)         Industry Applications        CRM/ERP/HR



 Platform as a         Middleware          Web 2.0 Application Runtime

 Service (PaaS)      Development Tooling        Database      Java Runtime



Infrastructure as   Servers     Networking      Storage    Data Center Fabric
 a Service (IaaS)             Shared virtualized, dynamic provisioning
Cloud Service Layers - Example


 Software as a
 Service (SaaS)

 Platform as a
 Service (PaaS)

Infrastructure as
 a Service (IaaS)
A cloud can be classified as
 •Public cloud is the most common and popular form of cloud
 computing and the type most of us tend to think about when we talk
 about cloud computing. In a public cloud, computing resources are
 dynamically provisioned over the Internet. A third party service such as
 “utility” and invoices its subscribers based on the use of computing
 resources.
 •Private cloud is delivered to a restricted set of customers (one or multiple
 customers). In this case, a cloud infrastructure is often maintained for a
 specific organization. Private clouds can be maintained on or off the
 premises of the organization that accesses it.
 •Community cloud is a cloud environment in which multiple organizations
 access the infrastructure based on similar needs. Community clouds are a
 compromise between private and public clouds, with typically more
 available resources than a public cloud, but less cost than a
 private cloud with just one subscriber. Community clouds are often used
 by a number of departments within large organizations, including
 governments.
Cloud Implementation Type
Private Cloud

•   Owned and managed by the enterprise
•   Limits access to enterprise and partner network
•   Retains high degree of control, privacy and security
•   Enables business to more easily customize service
•   Accessed from "inside" the firewall
Public Cloud
• Owned and managed by service provider
• Delivers select set business process, application or
  infrastructure services on a “pay per use” basis
• Highly standardized
• Limited customization options
• Accessed from "outside" the firewall
Hybrid Cloud

A hybrid infrastructure takes advantage of both public and
private clouds:
    Services provided over the Internet—the public cloud
    Services provided by the enterprise data center—the private
    cloud
•The actual term "cloud" borrows from telephony in that
telecommunications companies, who until the 1990s offered primarily
dedicated point-to-point data circuits, began offering Virtual Private
Network (VPN) services with comparable quality of service but at a
much lower cost.
•The idea of cloud computing is not new.
•The concept can be traced back to two sources in the 1960s -
J.C.R Licklider, one of the pioneers of the ARPANET, who described
his visions of an “intergalactic computer network”
•In 1969 and computer scientist Jon McCarthy who said back then
that "computation may someday be organized as a public utility".
•Oracle presented its idea of a thin client Network Computer, known
as NC, in 1996, revived the idea in 1999 when it announced that it
would actually build the device and sell it for $200.
•Current cloud computing started with the introduction of Amazon Web
Services (AWS) in 2006.
•Google has also been a driving force in giving cloud computing a much more
visible face, especially though its popular cloud web backed applications.
Our experience with application platforms today comes
mostly from on-premises platforms. A useful way
to think about cloud platforms is to see how the services
an application developer relies on in the on premises
environment translate to the cloud.
For on-premises infrastructure services, typical examples
include the following:
 •Storage
•Integration
•Identity




                            FROM ON-PREMISES PLATFORMS TO CLOUD PLATFORMS
SaaS Pro & Cons
     Benefits                                     Challenges
• Speed                              • Extension of the security model
• Reduced up-front cost, potential      to the provider (data privacy
  for reduced lifetime cost             and ownership)
• Transfer of some/all support       • Governance and billing
  obligations                           management
• Elimination of licensing risk      • Synchronization of client and
• Elimination of version                vendor migrations
  compatibility                       • Integrated end-user support
• Reduced hardware footprint          • Scalability
PaaS Pro & Cons
                 Benefits                       Challenges
• Pay-as-you-go for development,   • Governance
   test, and production            • Tie-in to the vendor
   environments                    • Extension of the security model
• Enables developers to focus on      to the provider
   application code                • Connectivity
• Instant global platform          • Reliance on 3rd party SLA’s
• Elimination of H/W
   dependencies and capacity
   concerns
• Inherent scalability
• Simplified deployment model
IaaS Pro & Cons
                 Benefits
• Systems managed by SLA should equate               • Challenges
  to fewer breaches                        • Portability of applications
• Higher return on assets through higher
                                           • Maturity of systems management
  utilization
                                             tools
• Reduced cost driven by
     ▫ Less hardware
                                           • Integration across Cloud boundary
     ▫ Less floor space from smaller       • Extension of internal security models
        hardware footprint
     ▫ Higher level of automation from
        fewer administrators
     ▫ Lower power consumption
• Able to match consumption to demand
Why CHEMOIL        needs cloud computing (in PaaS)?

Using the traditional on-premises model, how will the company proceed with the
development if they want to develop it in say ASP.Net with a SQL Server database?

They will need to
•Procure VS.Net developers license.
•Procure SQL Server licenses.
•Procure 3rd party tools (reporting etc) licenses.
•Develop and then deploy on a production server on a fixed budget.

Though the above steps are costly and complicated yet they apply only to simple web
apps (Because in real-time scenario there are a few more servers like test, staging and
production)
Cloud based PaaS
Now you don’t need to invest millions of dollars to get that project environment ready
for your developers. The PaaS provider will deliver the platform on the web, and in
most cases you can consume the platform using your browser. There is no need to
download any software. This combination of simplicity and cost efficiency empowers
small and mid-size companies, or even individual developers, to launch their own
Cloud SaaS. Without any initial investment, they can leverage the power of these
platform providers.
PaaS Layers
•Cloud OS
•Cloud Middleware
Google App Engine and Windows Azure are
 examples of Cloud Operating Systems (OS).
 OrangesScape and Wolf PaaS are cloud middleware.




   Google App Engine and Windows Azure
USING CITRIX AS A PLATFORM (PaaS) FOR WAN OPTIMIZATION

•Cloud computing is a major trend enabling more efficient, flexible and
green IT for remote offices and Mobile users.
•Citrix is the leading technology supporting this trend. However this shift
of computing paradigm loads more data onto the associated WAN, which
at the same time must become more responsive
•Opteq has developed an intelligent solution to compliment Citrix
deployments; with one Opteq unit in the data centre the network is fully
optimised for all network traffic, the Citrix users consistently experience ‘LAN’
levels of performance at remote locations and costly WAN upgrades are
avoided. Additional units can be deployed at large remote locations that both
offload and thus enhance the Citrix servers and further accelerate
applications.
Wan Optimization Technology

  •Host Pacing
  •Queue Elimination
  •True QoS
  •Fair Share
  •Traffic Prioritization
  •TCP Window Scaling
  •UDP Rate Control
  •Extended MPLS
  •Latency and Jitter Management
  •Flow Optimization
  •Network Balancing
  •Network Management and Reporting
Product of Cloud Computing

Amazon EC2 & S3

Google App Engine

   Google App

 Windows Azure
Amazon Simple Storage Service


                   2GB
SaaS, PaaS, & IaaS migration
1) SaaS
   ▫ Easy first step to adopt alternative desktop office application
   ▫ Requires nothing more than a credit card to start with
   ▫ Will drive home the SOA value proposition

2) PaaS
  • Aimed primarily at small & new companies but models apply to all
  • Large companies will benefit as services scale up and model is
     driven into internal software development tools and processes

3) IaaS
  • New approach to Utility Computing
  • Scale using external provider to avoid cap-ex of peak demand
  • Longer term play due to immature tools and resistance to change
Windows Azure

“ Windows Azure is an integrated cloud solution, utilizing
Microsoft products already familiar with IT professionals ”
Windows Azure
Windows Azure
Google App & Microsoft live
Cloud Computing - Trend

• Large enterprises are building
  their own private clouds
• Cloud computing will shift the skills
  needed by IT workers
• IT departments will shrink as users go
  directly to the cloud for IT resources
• Professional services will be bundled
  with commodity cloud services
Cloud Computing - Trend

• Large enterprises are building their
  own private clouds
• Cloud computing will shift
  the skills needed by IT
  workers
• IT departments will shrink as users go
  directly to the cloud for IT resources
• Professional services will be bundled
  with commodity cloud services
Cloud Computing - Trend

• Large enterprises are building their
  own private clouds
• Cloud computing will shift the skills
  needed by IT workers
• IT departments will shrink as
  users go directly to the cloud
  for IT resources
• Professional services will be bundled
  with commodity cloud services
Cloud Computing - Trend

• Large enterprises are building their
  own private clouds
• Cloud computing will shift the skills
  needed by IT workers
• IT departments will shrink as users go
  directly to the cloud for IT resources
• Professional services will be
  bundled with commodity
  cloud services
Cloud Computing - Trend


• Cloud-computing resources
  will become more
  customizable
• Large enterprises will become part-
  time cloud-computing vendors
• Cloud computing will unleash
  innovation
• The browser will be all the desktop
  software you need
Cloud Computing - Trend

• Cloud-computing resources will
  become more customizable
• Large enterprises will
  become part-time cloud-
  computing vendors
• Cloud computing will unleash
  innovation
• The browser will be all the desktop
  software you need
Cloud Computing - Trend

• Cloud-computing resources will
  become more customizable
• Large enterprises will become part-
  time cloud-computing vendors

• Cloud computing will
  unleash innovation
• The browser will be all the desktop
  software you need
Cloud Computing - Trend

• Cloud-computing resources will
  become more customizable
• Large enterprises will become part-
  time cloud-computing vendors
• Cloud computing will unleash
  innovation
• The browser will be all the
  desktop software you need
Cloud Computing , Tomorrow
Pros and Cons
5 Reasons to Consider Adopting Cloud Computing
 1. Scalability
 2. Cost Saving
 3. Business Agility
 4. Built-in Disaster Recovery & Back-up Sites
 5. Device & Location Independence




5 Reasons to Consider Avoiding Cloud Computing
 1. Security
 2. Data Location & Privacy
 3. Internet Dependency, Performance & Latency
 4. Availability & Service Levels
 5. Current Enterprise Applications Can't Be Migrated Easily
The concept of cloud computing can be very effectively implemented
in Chemoil. Few disadvantages can be overcome with a suitable
application developed by other major companies or Chemoil itself can
develop a suitable application or we can use some utility tools that
make our data compatible.
 The major advantage is that the performance of the network can be
effectively increased to 5%-25% with cloud computing. We need not
change the other applications and working environments instead we
can use compatible platform such as citrix or windows azure.
Comparing with the infrastructure of the company we can adopt a
suitable platforms to enhance the network and its capabilities
References
  http://en.wikipedia.org/wiki/Cloud_computing
  http://www.focus.com/articles/hosting-
bandwidth/top-10-cloud-computing-trends/
  http://architects.dzone.com/news/5-key-events-
history-cloud
Q&A


      Thank you

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Cloud computing

  • 1. Cloud computing is an on-demand service model for IT provision, often based on virtualization and distributed computing technologies. Cloud computing architectures have: •highly abstracted resources •near instant scalability and flexibility •near instantaneous provisioning •shared resources (hardware, database, memory, etc) •‘service on demand’, usually with a ‘pay as you go’ billing system •programmatic management (e.g., through WS API)
  • 2. Why we call “Cloud computing” Cloud
  • 3. Common Attributes of Cloud Computing • Pooled computing – advanced virtualization • Delivered over the Internet • Elastic scaling • Flexible pricing – pay only for they use • Provide resources as a service
  • 4. Common Attributes of Cloud Computing • Pooled computing – advanced virtualization • Delivered over the Network • Elastic scaling • Flexible pricing – pay only for they use • Provide resources as a service
  • 5. Common Attributes of Cloud Computing • Pooled computing – advanced virtualization • Delivered over the Internet • Elastic scaling • Flexible pricing – pay only for they use • Provide resources as a service
  • 6. Common Attributes of Cloud Computing • Pooled computing – advanced virtualization • Delivered over the Internet • Elastic scaling • Flexible pricing – pay only for they use • Provide resources as a service
  • 7. Common Attributes of Cloud Computing • Pooled computing – advanced virtualization • Delivered over the Internet • Elastic scaling • Flexible pricing – pay only for they use • Provide resources as a service
  • 8. The LAYERS are broadly divided into three categories: • Infrastructure-as-a-Service (IaaS) • Platform-as-a-Service (PaaS) • Software(application)-as-a-Service (SaaS)
  • 9. Cloud Service Layers - Containing Software as a Collaboration Business Processes Service (SaaS) Industry Applications CRM/ERP/HR Platform as a Middleware Web 2.0 Application Runtime Service (PaaS) Development Tooling Database Java Runtime Infrastructure as Servers Networking Storage Data Center Fabric a Service (IaaS) Shared virtualized, dynamic provisioning
  • 10. Cloud Service Layers - Example Software as a Service (SaaS) Platform as a Service (PaaS) Infrastructure as a Service (IaaS)
  • 11. A cloud can be classified as •Public cloud is the most common and popular form of cloud computing and the type most of us tend to think about when we talk about cloud computing. In a public cloud, computing resources are dynamically provisioned over the Internet. A third party service such as “utility” and invoices its subscribers based on the use of computing resources. •Private cloud is delivered to a restricted set of customers (one or multiple customers). In this case, a cloud infrastructure is often maintained for a specific organization. Private clouds can be maintained on or off the premises of the organization that accesses it. •Community cloud is a cloud environment in which multiple organizations access the infrastructure based on similar needs. Community clouds are a compromise between private and public clouds, with typically more available resources than a public cloud, but less cost than a private cloud with just one subscriber. Community clouds are often used by a number of departments within large organizations, including governments.
  • 13. Private Cloud • Owned and managed by the enterprise • Limits access to enterprise and partner network • Retains high degree of control, privacy and security • Enables business to more easily customize service • Accessed from "inside" the firewall
  • 14. Public Cloud • Owned and managed by service provider • Delivers select set business process, application or infrastructure services on a “pay per use” basis • Highly standardized • Limited customization options • Accessed from "outside" the firewall
  • 15. Hybrid Cloud A hybrid infrastructure takes advantage of both public and private clouds: Services provided over the Internet—the public cloud Services provided by the enterprise data center—the private cloud
  • 16. •The actual term "cloud" borrows from telephony in that telecommunications companies, who until the 1990s offered primarily dedicated point-to-point data circuits, began offering Virtual Private Network (VPN) services with comparable quality of service but at a much lower cost. •The idea of cloud computing is not new. •The concept can be traced back to two sources in the 1960s - J.C.R Licklider, one of the pioneers of the ARPANET, who described his visions of an “intergalactic computer network” •In 1969 and computer scientist Jon McCarthy who said back then that "computation may someday be organized as a public utility". •Oracle presented its idea of a thin client Network Computer, known as NC, in 1996, revived the idea in 1999 when it announced that it would actually build the device and sell it for $200. •Current cloud computing started with the introduction of Amazon Web Services (AWS) in 2006. •Google has also been a driving force in giving cloud computing a much more visible face, especially though its popular cloud web backed applications.
  • 17. Our experience with application platforms today comes mostly from on-premises platforms. A useful way to think about cloud platforms is to see how the services an application developer relies on in the on premises environment translate to the cloud. For on-premises infrastructure services, typical examples include the following: •Storage •Integration •Identity FROM ON-PREMISES PLATFORMS TO CLOUD PLATFORMS
  • 18. SaaS Pro & Cons Benefits Challenges • Speed • Extension of the security model • Reduced up-front cost, potential to the provider (data privacy for reduced lifetime cost and ownership) • Transfer of some/all support • Governance and billing obligations management • Elimination of licensing risk • Synchronization of client and • Elimination of version vendor migrations compatibility • Integrated end-user support • Reduced hardware footprint • Scalability
  • 19. PaaS Pro & Cons Benefits Challenges • Pay-as-you-go for development, • Governance test, and production • Tie-in to the vendor environments • Extension of the security model • Enables developers to focus on to the provider application code • Connectivity • Instant global platform • Reliance on 3rd party SLA’s • Elimination of H/W dependencies and capacity concerns • Inherent scalability • Simplified deployment model
  • 20. IaaS Pro & Cons Benefits • Systems managed by SLA should equate • Challenges to fewer breaches • Portability of applications • Higher return on assets through higher • Maturity of systems management utilization tools • Reduced cost driven by ▫ Less hardware • Integration across Cloud boundary ▫ Less floor space from smaller • Extension of internal security models hardware footprint ▫ Higher level of automation from fewer administrators ▫ Lower power consumption • Able to match consumption to demand
  • 21. Why CHEMOIL needs cloud computing (in PaaS)? Using the traditional on-premises model, how will the company proceed with the development if they want to develop it in say ASP.Net with a SQL Server database? They will need to •Procure VS.Net developers license. •Procure SQL Server licenses. •Procure 3rd party tools (reporting etc) licenses. •Develop and then deploy on a production server on a fixed budget. Though the above steps are costly and complicated yet they apply only to simple web apps (Because in real-time scenario there are a few more servers like test, staging and production)
  • 22. Cloud based PaaS Now you don’t need to invest millions of dollars to get that project environment ready for your developers. The PaaS provider will deliver the platform on the web, and in most cases you can consume the platform using your browser. There is no need to download any software. This combination of simplicity and cost efficiency empowers small and mid-size companies, or even individual developers, to launch their own Cloud SaaS. Without any initial investment, they can leverage the power of these platform providers. PaaS Layers •Cloud OS •Cloud Middleware Google App Engine and Windows Azure are examples of Cloud Operating Systems (OS). OrangesScape and Wolf PaaS are cloud middleware. Google App Engine and Windows Azure
  • 23. USING CITRIX AS A PLATFORM (PaaS) FOR WAN OPTIMIZATION •Cloud computing is a major trend enabling more efficient, flexible and green IT for remote offices and Mobile users. •Citrix is the leading technology supporting this trend. However this shift of computing paradigm loads more data onto the associated WAN, which at the same time must become more responsive •Opteq has developed an intelligent solution to compliment Citrix deployments; with one Opteq unit in the data centre the network is fully optimised for all network traffic, the Citrix users consistently experience ‘LAN’ levels of performance at remote locations and costly WAN upgrades are avoided. Additional units can be deployed at large remote locations that both offload and thus enhance the Citrix servers and further accelerate applications.
  • 24. Wan Optimization Technology •Host Pacing •Queue Elimination •True QoS •Fair Share •Traffic Prioritization •TCP Window Scaling •UDP Rate Control •Extended MPLS •Latency and Jitter Management •Flow Optimization •Network Balancing •Network Management and Reporting
  • 25. Product of Cloud Computing Amazon EC2 & S3 Google App Engine Google App Windows Azure
  • 26. Amazon Simple Storage Service 2GB
  • 27. SaaS, PaaS, & IaaS migration 1) SaaS ▫ Easy first step to adopt alternative desktop office application ▫ Requires nothing more than a credit card to start with ▫ Will drive home the SOA value proposition 2) PaaS • Aimed primarily at small & new companies but models apply to all • Large companies will benefit as services scale up and model is driven into internal software development tools and processes 3) IaaS • New approach to Utility Computing • Scale using external provider to avoid cap-ex of peak demand • Longer term play due to immature tools and resistance to change
  • 28. Windows Azure “ Windows Azure is an integrated cloud solution, utilizing Microsoft products already familiar with IT professionals ”
  • 31. Google App & Microsoft live
  • 32. Cloud Computing - Trend • Large enterprises are building their own private clouds • Cloud computing will shift the skills needed by IT workers • IT departments will shrink as users go directly to the cloud for IT resources • Professional services will be bundled with commodity cloud services
  • 33. Cloud Computing - Trend • Large enterprises are building their own private clouds • Cloud computing will shift the skills needed by IT workers • IT departments will shrink as users go directly to the cloud for IT resources • Professional services will be bundled with commodity cloud services
  • 34. Cloud Computing - Trend • Large enterprises are building their own private clouds • Cloud computing will shift the skills needed by IT workers • IT departments will shrink as users go directly to the cloud for IT resources • Professional services will be bundled with commodity cloud services
  • 35. Cloud Computing - Trend • Large enterprises are building their own private clouds • Cloud computing will shift the skills needed by IT workers • IT departments will shrink as users go directly to the cloud for IT resources • Professional services will be bundled with commodity cloud services
  • 36. Cloud Computing - Trend • Cloud-computing resources will become more customizable • Large enterprises will become part- time cloud-computing vendors • Cloud computing will unleash innovation • The browser will be all the desktop software you need
  • 37. Cloud Computing - Trend • Cloud-computing resources will become more customizable • Large enterprises will become part-time cloud- computing vendors • Cloud computing will unleash innovation • The browser will be all the desktop software you need
  • 38. Cloud Computing - Trend • Cloud-computing resources will become more customizable • Large enterprises will become part- time cloud-computing vendors • Cloud computing will unleash innovation • The browser will be all the desktop software you need
  • 39. Cloud Computing - Trend • Cloud-computing resources will become more customizable • Large enterprises will become part- time cloud-computing vendors • Cloud computing will unleash innovation • The browser will be all the desktop software you need
  • 40. Cloud Computing , Tomorrow
  • 42. 5 Reasons to Consider Adopting Cloud Computing 1. Scalability 2. Cost Saving 3. Business Agility 4. Built-in Disaster Recovery & Back-up Sites 5. Device & Location Independence 5 Reasons to Consider Avoiding Cloud Computing 1. Security 2. Data Location & Privacy 3. Internet Dependency, Performance & Latency 4. Availability & Service Levels 5. Current Enterprise Applications Can't Be Migrated Easily
  • 43. The concept of cloud computing can be very effectively implemented in Chemoil. Few disadvantages can be overcome with a suitable application developed by other major companies or Chemoil itself can develop a suitable application or we can use some utility tools that make our data compatible. The major advantage is that the performance of the network can be effectively increased to 5%-25% with cloud computing. We need not change the other applications and working environments instead we can use compatible platform such as citrix or windows azure. Comparing with the infrastructure of the company we can adopt a suitable platforms to enhance the network and its capabilities
  • 44. References http://en.wikipedia.org/wiki/Cloud_computing http://www.focus.com/articles/hosting- bandwidth/top-10-cloud-computing-trends/ http://architects.dzone.com/news/5-key-events- history-cloud
  • 45. Q&A Thank you