
Cloud Application Architectures
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Content
- Intro
- Table of Contents
- Preface
- Audience for This Book
- Organization of the Material
- Conventions Used in This Book
- Using Code Examples
- Safari® Books Online
- We'd Like Your Feedback!
- Acknowledgments
- Chapter 1. Cloud Computing
- The Cloud
- Software
- Hardware
- The advantages of a cloud infrastructure
- Hardware virtualization
- Cloud storage
- Cloud Application Architectures
- Grid Computing
- Transactional Computing
- The Value of Cloud Computing
- Options for an IT Infrastructure
- The Economics
- Capital costs
- Cost comparison
- The bottom line
- Cloud Infrastructure Models
- Platform As a Service Vendor
- Infrastructure As a Service
- Private Clouds
- All of the Above
- An Overview of Amazon Web Services
- Amazon Elastic Cloud Compute (EC2)
- Amazon Simple Storage Service (S3)
- Amazon Simple Queue Service (SQS)
- Amazon CloudFront
- Amazon SimpleDB
- Chapter 2. Amazon Cloud Computing
- Amazon S3
- Access to S3
- Web Services
- BitTorrent
- S3 in Action
- Amazon EC2
- EC2 Concepts
- EC2 Access
- Instance Setup
- Access to an Instance
- Security Groups
- Availability Zones
- Static IP Addresses
- Data Storage in EC2
- EBS volume setup
- Volume management
- Snapshots
- AMI Management
- Chapter 3. Before the Move into the Cloud
- Know Your Software Licenses
- The Shift to a Cloud Cost Model
- How to Approach Cost Comparisons
- A Sample Cloud ROI Analysis
- Where the Cloud Saves Money
- Service Levels for Cloud Applications
- Availability
- How to estimate the availability of your system
- What constitutes availability?
- Cloud service availability
- Amazon Web Services service levels
- Expected availability in the cloud
- Reliability
- Performance
- Clustering versus independent nodes
- EC2 performance constraints
- Security
- Legal, Regulatory, and Standards Implications
- There Is No Perimeter in the Cloud
- The Risk Profile for S3 and Other Cloud Storage Solutions Is Unproven
- Disaster Recovery
- Chapter 4. Ready for the Cloud
- Web Application Design
- System State and Protecting Transactions
- The problem with memory locks
- Transactional integrity through stored procedures
- Two alternatives to stored procedures
- When Servers Fail
- Machine Image Design
- Amazon Machine Image Data Security
- What Belongs in a Machine Image?
- A Sample MySQL Machine Image
- Amazon AMI Philosophies
- Privacy Design
- Privacy in the Cloud
- Managing the credit card encryption
- Processing a credit card transaction
- If the e-commerce application is compromised
- If the credit card processor is compromised
- When the Amazon Cloud Fails to Meet Your Needs
- Database Management
- Clustering or Replication?
- Using database clustering in the cloud
- Using database replication in the cloud
- Replication for performance
- Primary Key Management
- How to generate globally unique primary keys
- Support for globally unique random keys
- Database Backups
- Types of database backups
- Applying a backup strategy for the cloud
- Chapter 5. Security
- Data Security
- Data Control
- When the cloud provider goes down
- When a subpoena compels your cloud provider to turn over your data
- When your cloud provider fails to adequately protect their network
- Encrypt Everything
- Encrypt your network traffic
- Encrypt your backups
- Encrypt your filesystems
- Regulatory and Standards Compliance
- Network Security
- Firewall Rules
- Network Intrusion Detection
- The purpose of a network intrusion detection system
- Implementing network intrusion detection in the cloud
- Host Security
- System Hardening
- Antivirus Protection
- Host Intrusion Detection
- Data Segmentation
- Credential Management
- Compromise Response
- Chapter 6. Disaster Recovery
- Disaster Recovery Planning
- The Recovery Point Objective
- The Recovery Time Objective
- Disasters in the Cloud
- Backup Management
- Fixed data strategy
- Configuration data strategy
- Persistent data strategy (aka database backups)
- Backup security
- Geographic Redundancy
- Spanning availability zones
- Operating across regions
- Organizational Redundancy
- Disaster Management
- Monitoring
- Load Balancer Recovery
- Application Server Recovery
- Database Recovery
- Chapter 7. Scaling a Cloud Infrastructure
- Capacity Planning
- Expected Demand
- Determining your expected demand
- Analyzing the unexpected
- The Impact of Load
- Application architecture and database architecture revisited
- Points of scale
- The Value of Your Capacity
- A simple thought experiment
- How might the outcome have been different?
- Cloud Scale
- Tools and Monitoring Systems
- The procurement process in the cloud
- Managing proactive scaling
- Managing reactive scaling
- A recommended approach
- Scaling Vertically
- Appendix A. Amazon Web Services Reference
- Amazon EC2 Command-Line Reference
- ec2-add-group
- ec2-add-keypair
- ec2-allocate-address
- ec2-associate-address
- ec2-attach-volume
- ec2-authorize
- ec2-bundle-instance
- ec2-cancel-bundle-task
- ec2-confirm-product-instance
- ec2-create-snapshot
- ec2-create-volume
- ec2-delete-group
- ec2-delete-keypair
- ec2-delete-snapshot
- ec2-delete-volume
- ec2-deregister
- ec2-describe-addresses
- ec2-describe-availability-zones
- ec2-describe-bundle-tasks
- ec2-describe-group
- ec2-describe-image-attribute
- ec2-describe-images
- ec2-describe-instances
- ec2-describe-keypairs
- ec2-describe-regions
- ec2-describe-snapshots
- ec2-describe-volumes
- ec2-detach-volume
- ec2-disassociate-address
- ec2-get-console-output
- ec2-get-password
- ec2-modify-image-attribute
- ec2-reboot-instances
- ec2-release-address
- ec2-register
- ec2-reset-image-attribute
- ec2-revoke
- ec2-run-instances
- ec2-terminate-instances
- Amazon EC2 Tips
- Filesystem Encryption
- Setting Up RAID for Multiple EBS Volumes
- Appendix B. GoGrid
- Types of Clouds
- Cloudcenters in Detail
- Data Centers in the Clouds
- GoGrid Versus Traditional Data Centers
- Horizontal and vertical scaling
- GoGrid deployment architectures
- Focus on Web Applications
- Comparing Approaches
- Side-by-Side Comparison
- Real-Life Usage
- What's Right for You?
- Appendix C. Rackspace
- Rackspace's Cloud Services
- Cloud Servers
- Cloud Files
- Cloud Sites
- Fully Integrated, Backed by Fanatical Support
- Index
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