OracleAs Web Cache Introduction to Grid Computing Information Technology Challenges Organizations Face Today..3 Grid Computing and Oracle,s grid Computing Offering Oracle Application Server 10g and its Benefits Performance, Scalability, and QoS on the Grid The Dynamic Content Dilemma Peak loads, Flash Crowds, Lights Out The End User is King…… Introducing Oracle Application Server Web Cache Efficient Use of Low-Cost, Existing Hardware Static and Dynamic Content Caching Invalidation for Cache Consistency polio Invalidation Messages Partial-Page Caching and Personalized Page Assembly ESI for Java (ESt-JSR 128 Automatic Compression Linear Scalability on Commodity Hardware…… Workload Management and reliability…… Web Server Load Balancing, Failover, and Connection Pooling..19 Surge Protection and Throttling Quality of Service Assurance Cache Clustering… Partitioning the Web Object Space for Linear Capacity Content Provisioning Failure Detection and Auto-Restart for Hands-Off Manageability 23 On-line Reconfiguration Without Loss of Service 24 Reduced Load on the Origin Servers…… End-User Experience Management. ole Deployment Op terogeneous Environment Branch Office hierarchies Customers and Return on Investment ROI: A Case Study of Di More Information.…. OracleAs Web Cache 10g(10.1.)-Technical White poration, All Rights ReservedPage 2 OracleAS Web Cache 10g (10.1.2) -- Technical White Paper Copyright © 1999-2005 Oracle Corporation, All Rights Reserved OracleAS Web Cache Introduction to Grid Computing.................................................................... 3 Information Technology Challenges Organizations Face Today.......... 3 Grid Computing and Oracle’s Grid Computing Offering...................... 3 Oracle Application Server 10g and its Benefits ........................................ 4 Performance, Scalability, and QoS on the Grid............................................ 4 The Dynamic Content Dilemma................................................................ 5 Peak Loads, Flash Crowds, Lights Out ..................................................... 6 The End User is King .................................................................................. 6 Introducing Oracle Application Server Web Cache..................................... 7 Efficient Use of Low-Cost, Existing Hardware............................................ 8 Static and Dynamic Content Caching........................................................ 9 Invalidation for Cache Consistency ......................................................... 13 Expiration Policies ................................................................................. 13 Invalidation Messages............................................................................ 13 Partial-Page Caching and Personalized Page Assembly........................ 14 ESI for Java (JESI) – JSR 128 .............................................................. 16 Automatic Compression............................................................................ 17 Linear Scalability on Commodity Hardware........................................... 18 Workload Management and Reliability ........................................................ 19 Web Server Load Balancing, Failover, and Connection Pooling......... 19 Surge Protection and Throttling............................................................... 20 Quality of Service Assurance .................................................................... 20 Cache Clustering ......................................................................................... 21 Partitioning the Web Object Space for Linear Capacity................... 22 Content Provisioning............................................................................. 23 Failure Detection and Auto-Restart for Hands-Off Manageability 23 On-line Reconfiguration Without Loss of Service............................ 24 Reduced Load on the Origin Servers .................................................. 24 End-User Experience Management.............................................................. 25 Flexible Deployment Options....................................................................... 27 Integrated with the Oracle Technology Stack ........................................ 28 Heterogeneous Environments.................................................................. 29 Branch Office Hierarchies......................................................................... 29 Customers and Return on Investment......................................................... 30 ROI: A Case Study of Digital River........................................................ 31 Turning Cache into Cash ...................................................................... 32 Summary........................................................................................................... 32 More Information ........................................................................................... 33