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UUASC - November 2006 Jack Cate Servers, Vendors, Bombs, and Projects
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Currently International Aerospace Defense Firm – 4 Stateside Divisions and 2 International Divisions Entire IT and MIS infrastructure responsibility Systems Engineering In Flight Entertainment Division
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Me
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How to Run a High Traffic ( ~40 million hits) Web Farm Very Carefully Plan Outsource Test Debug Deploy Monitor
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The Beginning Gopher Site – Text Files Multimedia CD-ROM 2-4 people Hosted Website on Digital News
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The Real Beginning Hire a Developer or two. Build an Access DB that generates HTML files. Hire an SA. Tell him to build a website.
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First Generation Find an ISP to host a single server. Pay through the nose. FTP push HTML and Image files. Build perl reporting and lead ( data ) submission scripts. Discover that this doesn’t work so well when you run radio advertising.
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Scale Add more boxes. Add a real RDBMs. Add a Blackberry. Add developers, but not SA’s.
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First Steps Toward an Enterprise Add an SCM System – Perforce. Use Oracle to generate static HTML pages using AOLServer, TCL, and stored procedures. Add staging environment and QA. Add 3 rd web server. Build reporting environment.
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Vendor Management / Outsource Web Infrastructure Initially high dollar amount per server. Included backup, monitoring, and spare equipment Service Oriented Solution Risk mitigation contrasted by high cost.
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More Traffic! Add 4-6 servers. Add better load balancing. Add point to point T1 line between hosting facility and office. Increase monitoring solution. Begin transition to J2EE platform with JRUN and live Oracle RDBMs.
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Vendor Management Issues Surface Per box fee doesn’t scale. Cost of Premium Services Vendor Mistakes Mismanagement of Vendors leads to Angry Vendors
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Outsourced Website Vendor Solution Emerges Negotiate Purchase of Hardware Vendor moves to co-location model for customer supplied hardware Hardware Cost Decline Begins
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Business Changes Ad Based Model Dynamic Content Needed Hosted Applications Data Licensing Private Labeled Pages and Tools
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Dynamic Site 12 servers. Nokia Firewalls. Weblogic Templates. Oracle. Home grown middle tier. Monitoring. Reporting. 6 SA’s / 4 DBA’s
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Edmunds.com's software stack comprises Red Hat Linux Enterprise Server 4, J2EE (Java 2 Platform, Enterprise Edition) on BEA Systems' WebLogic Server 8.1, Oracle's 10g RAC (Real Application Clusters) database, the Apache Software Foundation's Apache Web server and, now, Communiqué. The software stack runs on Dell PowerEdge 1850 servers and Network Appliance storage systems.
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In Flight Entertainment Project AVOD / Entertainment System Real Time OS / Embedded OS – Montavista Linux Potential Industry Changing Intellectual Property
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MontaVista Linux Overview Dynamic Power Management Event broker Thread stack guard pages Fast boot of kernel in less than one second Improved data alignment Streaming file optimization MontaVista System Measurement Tools – Preemption and Interrupt – System sizing – System timing through KFI (Kernel Functoin Instrumentation) System Target Tools – Ability to view processes and change priority – Remotely soft reboot target – Download to flash – Remote Syslog viewer – Remote browse proc file system – Remotely run commands on target and view results
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MontaVista Linux Cont. MontaVista Linux Preemptible Kernel O(1) Real-time Scheduler with up to 1024 levels of priority
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MontaVista Linux Cont
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MontaVista Linux Cont.
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MontaVista Linux Support File Systems XIP (eXecute In Place) of kernel and applications – Fast memory to memory device access Conventional and Journaling Filesystems Disk, flash and network-based options
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Linux at Use in Manufacturing PLC Controllers Data Acquisition Servers Workstations
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Lessons Learned Management Can’t be Avoided Have a PLAN Be HONEST Respond to Market Trends Monitoring is key. Home grown isn’t always better. Open source is great, some of the time.
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The End Questions Comments Go Home
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