Zend Server is a complete, enterprise-ready Web Application Server for running and managing PHP applications that require a high level of reliability, availability, performance, and security.  Zend Server delivers the following features/ benefits: Caching and acceleration for optimal application performance Job queue for managing asynchronous execution of long-running PHP tasks Application monitoring for problem detection Code tracing for rapid root cause analysis Native stack intallwers and a Web administrator console Up to 24x7x365 technical support Software updates and security hot fixes Running a business-critical application in production involves stringent performance, availability, scalability, and security requirements.  To meet these requirements, you will need a combination of enterprise-ready software products and top services and support.  Zend helps thousands of customers successfully run and manage their applications in production. Zend Server provides a robust runtime environment that is used throughout the application lifecycle to ensure consistency and minimize configuration problems.    Through multiple acceleration technologies, it delivers optimal application performance.  Built in application monitoring alerts to slowdowns or errors in applications and captures the information required for isolation and root cause analysis.  Equipped with this information, developers can eliminate the need to reproduce issues in the development lab, thereby expediting the support process and enabling quick response to production issues.