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THE OPEN DATA CENTER ALLIANCE: 
CLOUD-AWARE APPLICATIONS 
Catherine Spence 
Chair, Technical Coordination Committee, ODCA ...
2 
AGENDA 
• Overview 
• Principles of Cloud Application Architecture 
• Design Patterns 
• Operational Strategies 
• Hack...
OVERVIEW 
Why is it important to design for cloud? 
• Cloud is latest evolutionary force that’s transformational 
• The ri...
4 
DEVELOPER OPPORTUNITY 
• Gain an understanding of the new paradigm and the 
fundamental differences that apply to the c...
5 
ODCA ENTERPRISE ADOPTION ROADMAP 
Stage 1 Stage 2 Stage 3 Stage 4 Stage 5 
End User 
App Dev 
App 
Owner 
IT Ops 
Feder...
EVOLUTION OF APP ARCHITECTURE 
Multi-Tier App 
Architecture 
Virtualized 
Multi-Tier 
Cloud App 
Architecture 
• Evolution...
7
8 
AGENDA 
• Overview 
• Principles of Cloud Application Architecture 
• Design Patterns 
• Operational Strategies 
• Hack...
9 
HIGH PRIORITY STRUCTURAL PRINCIPLES 
Resilient to 
Failure 
Resilient to 
Latency Secure 
SOA/Compose-ability 
Elastica...
ADDITIONAL STRUCTURAL PRINCIPLES 
10 
Designed for 
Manageability 
Infrastructure 
Independent Defined Tenancy End user Se...
11 
USING CLOUD-AWARE PRINCIPLES 
• Intel IT Example - defining cloud “star” criteria 
• Will be formally captured as part...
12 
AGENDA 
• Overview 
• Principles of Cloud Application Architecture 
• Design Patterns 
• Operational Strategies 
• Hac...
13 
NINE KEY DESIGN PATTERNS 
1. Circuit Breaker 
2. Request Queuing 
3. Request Collapsing 
4. Object Change 
Notificatio...
14 
CIRCUIT BREAKER PATTERN 
Reference: http://techblog.netflix.com/2012/02/fault-tolerance-in-high-volume.html
15 
STATELESS SERVICES PATTERN 
#1 #2 #3 VM VM 
Load 
Balancer 
Client 1 Client 2 
VM 
• Small instances scale out 
• REST...
Token-based access 
control using APIs - 
OAuth 
16 
AUTHORIZATION PATTERN 
References: http://tools.ietf.org/html/rfc6749...
Cloud Application Maturity Model 
Level 3: Adaptive 
Level 2: Abstracted 
Level 1: Loosely Coupled 
Level 0: Virtualized 
...
18 
AGENDA 
• Overview 
• Principles of Cloud Application Architecture 
• Design Patterns 
• Operational Strategies 
• Hac...
19 
OPERATIONAL STRATEGIES 
Ensure Redundancy Utilize Caching Stage Deployments Plan for Zone/Region 
Failures 
Minimize I...
20 
AGENDA 
• Overview 
• Principles of Cloud Application Architecture 
• Design Patterns 
• Operational Strategies 
• Hac...
21 
INTEL CLOUD-AWARE CODE-A-THONS 
Enterprise training event 
• Code and land apps in 
Intel’s cloud 
• Compete for prize...
ODCA HACKATHON 
September 22-24 San Francisco 
Build a real cloud app for non-profits 
Compete to win best cloud-aware app...
23 
AGENDA 
• Overview 
• Principles of Cloud Application Architecture 
• Design Patterns 
• Operational Strategies 
• Hac...
24 
KEY MESSAGES 
• Cloud-aware apps are more flexible, 
interoperable and resource efficient 
• Evolutionary set of struc...
THANK YOU 
25
26
• ©2014 Open Data Center Alliance, Inc. ALL RIGHTS RESERVED. 
27
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Forecast 2014: Cloud-Aware Applications

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Leveraging the unique benefits of the cloud requires a specialized approach to application architecture. The right design enables business agility, massive scaling, ability to burst, and high resiliency. Plus, it promotes resource efficiency and can minimize costs. If you are involved in providing applications or services in the cloud, attend this session to learn the principles of cloud-aware application design and to explore emerging architectural patterns which maximize cloud advantages.

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Forecast 2014: Cloud-Aware Applications

  1. 1. THE OPEN DATA CENTER ALLIANCE: CLOUD-AWARE APPLICATIONS Catherine Spence Chair, Technical Coordination Committee, ODCA IT principal Engineer, Intel Dave Casper Chair, Infrastructure Work Group, ODCA CTO, North America, Moogsoft
  2. 2. 2 AGENDA • Overview • Principles of Cloud Application Architecture • Design Patterns • Operational Strategies • Hackathons • Key Messages 2
  3. 3. OVERVIEW Why is it important to design for cloud? • Cloud is latest evolutionary force that’s transformational • The right design enables business agility, massive scaling, ability to burst, and high resiliency. • Cloud promotes resource efficiency and can minimize costs. • The lack of cloud-aware applications hinders innovative hybrid cloud usages. 3 3
  4. 4. 4 DEVELOPER OPPORTUNITY • Gain an understanding of the new paradigm and the fundamental differences that apply to the cloud • Recognize and apply key software design patterns that characterize well-designed cloud-aware applications • Continuously develop the skills required to take full benefits of transformational paradigms such as cloud computing
  5. 5. 5 ODCA ENTERPRISE ADOPTION ROADMAP Stage 1 Stage 2 Stage 3 Stage 4 Stage 5 End User App Dev App Owner IT Ops Federated, Interoperable, and Open Cloud Simple SaaS Enterprise Legacy Apps Simple Compute IaaS Compute, Storage, and Network Simple SaaS Cloud Aware Apps Enterprise Legacy Apps Complex Compute IaaS Simple Compute IaaS Compute, Storage, and Network Complex SaaS Hybrid SaaS Cloud Aware Apps Legacy Apps Cloud Aware Apps Legacy Apps Private PaaS Hybrid PaaS Full Private IaaS Hybrid IaaS Consumers Start Legacy Applications on dedicated Infrastructure
  6. 6. EVOLUTION OF APP ARCHITECTURE Multi-Tier App Architecture Virtualized Multi-Tier Cloud App Architecture • Evolution concurrent with advances in computer hardware, virtualization, networking, personal computing, and mobility • Transformational but not revolutionary 6
  7. 7. 7
  8. 8. 8 AGENDA • Overview • Principles of Cloud Application Architecture • Design Patterns • Operational Strategies • Hackathons • Key Messages
  9. 9. 9 HIGH PRIORITY STRUCTURAL PRINCIPLES Resilient to Failure Resilient to Latency Secure SOA/Compose-ability Elastically Scalable Location Independent Internal construction -> coding your app for cloud
  10. 10. ADDITIONAL STRUCTURAL PRINCIPLES 10 Designed for Manageability Infrastructure Independent Defined Tenancy End user Self- Service Bandwidth Aware Cost + Resource Consumption Aware Medium Priority Lower Priority 10
  11. 11. 11 USING CLOUD-AWARE PRINCIPLES • Intel IT Example - defining cloud “star” criteria • Will be formally captured as part of application profiling DRAFT
  12. 12. 12 AGENDA • Overview • Principles of Cloud Application Architecture • Design Patterns • Operational Strategies • Hackathons • Key Messages
  13. 13. 13 NINE KEY DESIGN PATTERNS 1. Circuit Breaker 2. Request Queuing 3. Request Collapsing 4. Object Change Notification 5. Service Discovery 6. Micro Services 7. Stateless Services 8. Configuration Service 9. Authorization Today’s discussion 13
  14. 14. 14 CIRCUIT BREAKER PATTERN Reference: http://techblog.netflix.com/2012/02/fault-tolerance-in-high-volume.html
  15. 15. 15 STATELESS SERVICES PATTERN #1 #2 #3 VM VM Load Balancer Client 1 Client 2 VM • Small instances scale out • RESTful calls • Pass everything you need in to execute the call Request Request References: http://en.wikipedia.org/wiki/Service_statelessness_principle
  16. 16. Token-based access control using APIs - OAuth 16 AUTHORIZATION PATTERN References: http://tools.ietf.org/html/rfc6749 http://www.safecode.org/publications/SAFECode_CSA_Cloud_Final1213.pdf
  17. 17. Cloud Application Maturity Model Level 3: Adaptive Level 2: Abstracted Level 1: Loosely Coupled Level 0: Virtualized ▪ Application can dynamically migrate across infrastructure providers without interruption of service ▪ Application can elastically scale out/in appropriately based on stimuli ▪ Services are stateless ▪ Application is unaware and unaffected by failure of dependent services ▪ Application is infrastructure agnostic, and can run anywhere ▪ Application is composed of loosely coupled services ▪ Application services are discoverable by name ▪ Application compute and storage are separated ▪ Application consumes one or more cloud services: compute, storage, network ▪ Application runs on virtualized infrastructure ▪ Application can be instantiated from an image or script 17
  18. 18. 18 AGENDA • Overview • Principles of Cloud Application Architecture • Design Patterns • Operational Strategies • Hackathons • Key Messages
  19. 19. 19 OPERATIONAL STRATEGIES Ensure Redundancy Utilize Caching Stage Deployments Plan for Zone/Region Failures Minimize Inter- Locate High-Bandwidth Zone/Region Latency Secure Access to APIs Abstract Dependencies Consumers Externally Software system -> deploying your app in a cloud
  20. 20. 20 AGENDA • Overview • Principles of Cloud Application Architecture • Design Patterns • Operational Strategies • Hackathons • Key Messages
  21. 21. 21 INTEL CLOUD-AWARE CODE-A-THONS Enterprise training event • Code and land apps in Intel’s cloud • Compete for prizes • One day session format Results  Held 8 codeathons globally  Trained over 100 developers  Delivered over 60 apps  Created key learnings & demand for PaaS Sample Apps Created Conference Room Waitlist Find a Parking Spot Enterprise Fund Starter IT Issue Logging with Pictures Café Fruit Status (Banana Finder)
  22. 22. ODCA HACKATHON September 22-24 San Francisco Build a real cloud app for non-profits Compete to win best cloud-aware app Deliver open source code for reuse Theme: Create an app for non-profits to request volunteer assistance Sponsored by HP & Intel 22
  23. 23. 23 AGENDA • Overview • Principles of Cloud Application Architecture • Design Patterns • Operational Strategies • Hackathons • Key Messages
  24. 24. 24 KEY MESSAGES • Cloud-aware apps are more flexible, interoperable and resource efficient • Evolutionary set of structural principles and operational strategies • Design patterns provide useful examples of how to implement cloud principles • Hackathons allow developers to practice and learn more
  25. 25. THANK YOU 25
  26. 26. 26
  27. 27. • ©2014 Open Data Center Alliance, Inc. ALL RIGHTS RESERVED. 27

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