A Network Of Virtual Machine Monitors For Caching DynamicContent一种缓存动态内容的虚拟机监视器网络.pptVIP

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A Network Of Virtual Machine Monitors For Caching DynamicContent一种缓存动态内容的虚拟机监视器网络.ppt

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A Network Of Virtual Machine Monitors For Caching DynamicContent一种缓存动态内容的虚拟机监视器网络

The vMatrix: A Network Of Virtual Machine Monitors For Dynamic Content Distribution Amr A. AwadallahMendel Rosenblum{aaa,mendel}@ What is The vMatrix? Problem Statement Motivation: To enable distribution of dynamic content.(40% of web requests) Advantages of Distribution Faster Response Time Higher Availability Absorbing Flash Crowds Network Bandwidth Savings Lower Total Cost of Ownership Today Is Static Mirroring Dynamic Content Distribution Two Tier Architecture Main Problem It is very hard to copy services due to all the dependencies that code has on system libraries, third-party modules, operating systems, and server hardware. Virtual Machine Monitors Proposed Solution A network for delivering virtual machines (VMs) between real machines (RMs) running the virtual machine monitor (VMM) software. Distinguishing Advantage Backward Compatibility Challenges: Mobility (NAT) Challenges: Security (VPNs) Two Tier Challenges Response Time Two Tier Challenges Availability Two Tier Challenges Replication Related Work Active Proxy Caches (ICAP, Active cache, OPES) App Servers (WebSphere, Dynamo, WebLogic) Java Virtual Machine (J#/C#/.Net) Light Weight OSes (Denali, Xenoservers) OS Virtualization (Ensim, Ejasent, EXETender) Portable Channel Representations (e.g. RPMs) Current Future Work Global Server Placement Optimization VM Scheduling per RM Server Multiplexing Compute Utility (The Collective) ROC: Virtual Hot Standbys Internet Scale Applications Characteristics Conclusion Using off the shelf technologies available today it is possible to build a network for delivering virtual machines between real machines hence solving the dynamic content distribution problem without requiring significant architectural changes. To close, restate the action step followed by the benefits. Speak with conviction and confidence, and you will sell your ideas. To close, restate the action step followed by the benefits. Speak with conviction and confidence, and you will sell y