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© 2010 UC Regents | UC Berkeley ist.berkeley.edu IST Platform Services IST Platform Services and Web Hosting Options Micronet Meeting June 23, 2010 Don MacLeod IST UNIX Services
© 2010 UC Regents | UC Berkeley ist.berkeley.edu IST Platform Services Agenda Introduction (Walt Hagmaier) Some definitions A Brief History lesson Present state of affairs Perspectives on future directions (ITAC; SAC – Gabriel Gonzalez Questions
© 2010 UC Regents | UC Berkeley ist.berkeley.edu IST Platform Services Introduction Walt Hagmaier Manager, Platform Services
© 2010 UC Regents | UC Berkeley ist.berkeley.edu IST Platform Services Definitions Full-featured hosting Dedicated hosting serviceDedicated hosting service, also called managed hosting service, where the hosting service provider owns and manages the machine, leasing full control to the client. Management of the server can include monitoring to ensure the server continues to work effectively, backup services, installation of security patches and various levels of technical support. Virtual private serverVirtual private server, in which virtualization technology is employed in order to allow multiple logical servers to run on a single physical server. Colocation facilitiesColocation facilities, which provide just the Internet connection, uninterruptible power and climate control, but let the client do his own system administration.system administration Cloud hostingCloud hosting, in which the user only pays for the system time and space used, and capacity can be quickly scaled up or down as computing requirements change.
© 2010 UC Regents | UC Berkeley ist.berkeley.edu IST Platform Services Definitions Other Hosting Services Limited or application-specific hosting services include: Web hosting service hosting service DNS hosting service Game servers Wiki farms
© 2010 UC Regents | UC Berkeley ist.berkeley.edu IST Platform Services Definitions Web Hosting Services Free web hosting serviceFree web hosting service: limited services, sometimes supported by advertisements Shared web hosting service: one's website is placed on the same server as many other sites, ranging from a few to hundreds or thousands.Shared web hosting service Reseller web hostingReseller web hosting: allows clients to become web hosts themselves. Many resellers provide a nearly identical service to their provider's shared hosting plan and provide the technical support themselves. Dedicated hosting serviceDedicated hosting service: the user gets his or her own Web server and gains full control over it, however, the user typically does not own the server. Managed hosting serviceManaged hosting service: the user gets his or her own Web server but is not allowed full control over it, however, they are allowed to manage their data via FTP or other remote management tools.
© 2010 UC Regents | UC Berkeley ist.berkeley.edu IST Platform Services Definitions Web Hosting Services (cont.) Cloud HostingCloud Hosting: is a new type of hosting platform that allows customers powerful, scalable and reliable hosting based on clustered load-balanced servers and utility billing. Removing single-point of failures and allowing customers to pay for only what they use versus what they could use. Clustered hostingClustered hosting: having multiple servers hosting the same content for better resource utilization. Clustered Servers are a perfect solution for high-availability dedicated hosting, or creating a scalable web hosting solution. A cluster may separate web serving from database hosting capability. Grid hostingGrid hosting: this form of distributed hosting is when a server cluster acts like a grid and is composed of multiple nodes.
© 2010 UC Regents | UC Berkeley ist.berkeley.edu IST Platform Services A Brief History Lesson Socrates and Arachne General time-sharing Shared web hosting service Thousands of users Hundreds of web sites Limited support options Poor security Low cost
© 2010 UC Regents | UC Berkeley ist.berkeley.edu IST Platform Services Present state of affairs AFS website CalWeb IIS (Windows) CalWeb Pro (Unix) CalWeb Windows Webfarm Unix Webfarm Dedicated VM plus web stack
© 2010 UC Regents | UC Berkeley ist.berkeley.edu IST Platform Services Present state of affairs AFS website Shared file sharing service Prod only Not highly available Good for simple web pages Access via dedicate AFS client or WebDAV Does not support dedicated website names Least cost
© 2010 UC Regents | UC Berkeley ist.berkeley.edu IST Platform Services Present state of affairs CalWeb IIS (Windows) Shared web hosting service Prod only Not highly available Good for simple web pages Designed for user tools such as Dreamweaver and FTP access ASP,.Net1.0,.Net2.0, Serverside Includes Least cost
© 2010 UC Regents | UC Berkeley ist.berkeley.edu IST Platform Services Present state of affairs CalWeb Pro (UNIX) Shared web hosting service (plus Dedicate, Managed & Clustered hosting capabilities) Prod only Highly available (load balanced cluster) Good for simple web pages w/ limited programmatic content Web proxy model gives users control of a local Apache server PHP, Perl, Python, CGI, Serverside Includes Low cost
© 2010 UC Regents | UC Berkeley ist.berkeley.edu IST Platform Services Present state of affairs CalWeb Windows Webfarm Shared web hosting service (plus Managed & Clustered hosting capabilities) Prod/QA/Dev Highly available Good for complex web pages w/ significant programmatic content.Net1.0,.Net 2.0, PHP-Pear, ColdFusion 7, Serverside Includes Higher cost
© 2010 UC Regents | UC Berkeley ist.berkeley.edu IST Platform Services Present state of affairs UNIX Webfarm Shared web hosting service (plus Dedicate, Managed & Grid hosting capabilities) Prod/QA/Dev Highly available (load balanced multi-node grid) Good for complex web pages w/ significant programmatic content Web proxy model gives users control of a local Apache server PHP-Pear, Perl, Python, CGI, Ruby-onRails, Tomcat, Serverside Includes Higher cost
© 2010 UC Regents | UC Berkeley ist.berkeley.edu IST Platform Services Present state of affairs Dedicated VM plus web stack Dedicate/Managed hosting option Prod/QA/Dev available at additional cost Highly available (load balanced) at additional cost Good for complex web pages w/ significant specialized programmatic content Customized development environments can be provided at additional cost Performance can be scaled to need Highest cost
© 2010 UC Regents | UC Berkeley ist.berkeley.edu IST Platform Services Perspectives on future directions ITAC Developer/Architecture focused Java/JBoss Ruby/JRuby PHP SAC – Gabriel Gonzalez
© 2010 UC Regents | UC Berkeley ist.berkeley.edu IST Platform Services Questions Are separate Prod/QA/Dev web environments worth the expense? Is high availability worth the expense? Is there value in a local, low cost, basic web service? Is configuration control of the web server important? What development environments do you use (e.g. Java, PHP, etc.) Is SSH or FTP site access sufficient? Is a shared service sufficient for your needs or do you require higher level separation (e.g. dedicated VM)?
© 2010 UC Regents | UC Berkeley ist.berkeley.edu IST Platform Services Contact Information Web: ist.berkeley.edu/services/catalog/web Don MacLeod Manager, UNIX Services
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