Cloud Compu)ng. Adam Belloum Ins)tute of Informa)cs University of Amsterdam

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1 Cloud Compu)ng Adam Belloum Ins)tute of Informa)cs University of Amsterdam High Performance compu)ng Curriculum, Jan 2015 hgp://www.hpc.uva.nl/ UvA- SURFsara

2 What is Cloud Compu)ng?

3 What is the cloud IT as a service Cloud allows access to services without user technical knowledge or control of suppor)ng infrastructure Best describe in terms of what happened to electrical power over 100 years ago Now computers are simple devices connected to the leader cloud Data processing, storage and sotware applica)on that used to run locally are now being supplied by big central compu)ng sta)on, They are becoming in essence compu5ng u5li5es

4 The Grid approach Urgent compu)ng in Scien)fic compu)ng and Business has pushed for on- demand access to large amounts of computa)onal resources or need to tune their run)me demands. Grid technology enables resource sharing amongst various organiza)ons. Grid resource management, however, is op)mized towards fair usage. On- demand access to Grid resources is difficult to achieve in prac)ce, even if mul)ple Grids are available.

5 Why Grid failed to provide on- demand access to compu)ng resources Grid virtualiza)on Uniform access to compu)ng and storage resources Discovery of poten)al compu)ng resources Provide security mechanism (AAA) But did not address how compu)ng is performed, it was let to the local resource managers (Grid design was suppose to be not intrusive)

6 Why Grid failed to provide on- demand access to compu)ng resources Challenges When a task end up on the Grid compu)ng resource there is a fair chance for a failure to occur missing lib wrong version of the libs different configura)on different OS version

7 How Grid approach delivers QoS Service Level Delivery not part of the original grid vision Absence of central control No Easy way to enforce SLM and SLD

8 Tradi)onal ways of provisioning resources

9 Solu)on 1: Scale up Expand your Infrastructure! Buy new servers, increase your sotware costs, provision more datacenter capacity!!

10 Solu)on 2: Scale out Look to the cloud! Pay for the bandwidth and server resources that you need. When your push is done then turn the whole thing off! The Three Reasons to Cloud Compute : hgp://www.youtube.com/watch? annota)on_id=annota)on_308603&feature=iv&src_vid=sgujaizkwre&v=oibkmjrrdjq

11 Style of compu)ng & usage model

12 Elas)c approach to resource provisioning Time

13 U)lity based usage metric

14 Delivery Models

15 A new consump)on Model for IT

16 Enabling Cloud

17 Abstract Pool automate

18 Abstract Pool automate

19

20

21

22 Everything- as- a- Service

23 Interac)on with Cloud systems Cloud&SOA Cloud IaaS 23

24 Example of the elas)city and scalability (IaaS) To test the possibili)es and performance of Grid on Demand a Biomedical Applica)on and a workflow manager are used Biomedical Applica)on: WAVE Parallel (MonteCarlo simula)on) applica)on Workflow Manager A (graphical) tool to assist complex e- Science applica)on crea)on Creates a series of jobsubmissions WS- VLAM created by UvA SNE Group Connects to Globus Grid Interface

25 Example of the elas)city and scalability (IaaS)

26 Example of the elas)city and scalability

27 Example of the elas)city and scalability

28 Infrastructure as a Service (IaaS). Amazon S3 (Data storage/file system), SimpleDB (non- rela)onal database) EC2 (compu)ng servers). Rackspace Cloud Drive (Data storage/file system), Cloud Sites (web site hos)ng on cloud) Cloud Servers(compu)ng servers). GoGrid IBM Cloud Hos5ng (web site hos)ng on cloud) Cloud Storage (Data storage/file system). Smart Business Storage Cloud Compu5ng on Demand (CoD)

29 Plamorm as a Service (PaaS). Googles force.com MicrosoT AppEngine is a development plamorm based upon Python and Java Apex a development plamorm based upon a proprietary programming language Azure provides a development plamorm based upon.net.

30 SoTware as a Service (SaaS) Google IBM Zoho Google Docs, GMail, Google Calendar and Picasa LotusLive inotes, a web based service that provides messaging and calendaring capabili)es to business users has vast suite of online products similar to MicrosoT office suite.

31 SoTware as a Service (SaaS) applica)ons processing Photo edi)ng sotware Online file storage TwiGer related applica)ons Digital Video Photo Album Edi)ng documents, spreadsheets and powerpoints Naviga)on: google Maps, Yahoo maps, e- commerce sotware

32 Open Source Cloud SoTware: OpenNebula

33 Open Source Cloud SoTware: OpenNebula OpenNebula provides different interfaces to interact and manage physical and virtual resources.

34 Open Source Cloud SoTware: OpenStack The OpenStack Open Source Cloud Mission: to produce the ubiquitous Open Source Cloud Compu)ng plamorm that will meet the needs of public and private clouds regardless of size, by being simple to implement and massively scalable. Originated by Rackspace and NASA In 2010

35 Further Reading 1. Ian Foster, Cloud Compu)ng and Grid Compu)ng 360- Degree Compared hgp://arxiv.org/pdf/ pdf 2. Luis Rodero- Merinoa et al., From infrastructure delivery to service management in clouds, Future Genera)on Journal

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