ISM 50 - Business Information SystemsLecture 11Instructors: Mary Doyle, Geoff RyderUC Santa CruzMay 4, 2009AnnouncementsRead Messerschmitt Ch 6 & 7 for Monday 5/11Homework #2 returnedComments on Business Paper proposalsWednesday is the midterm!Test will be administered in CU 1 and CU 2CU 1 start time is 5:00CU 2 start time is 5:30If you have a 7:00 class, arrive for the 5:00 session in CU1, otherwise arrive for the 5:30 session in CU2Today’s ClassFinal midterm reviewNews storiesSun Case review and discussionClass discussion of open source vs. proprietary commercial software and standardsBusiness paper research tips and techniquesMidterm review guideMidterm Review 3Data and Information Building blocks Representation Regeneration Architecture Decomposition Functionality Interaction Emergence Network infrastructure LayeringOperating system functionsMiddleware (storage and communication)Messages and packetsReview continued…The Internet Intranet Extranet Network layeringClient Server User and client 2-, 3-, and N-tier FeaturesSeparation of presentation, logic, and shared data Peer-to-peerSun CaseMore Terminology bit backbone topology Hierarchy host DBMS Web server subsystem ASCII Interface application platform Thin client NetPC java TCO legacy systemNews StoryMax HillNews StoryTrevor SeyfriedNews Folio PresentationISM 50Trevor Seyfried5-4-09What Disney-Hulu Means for AppleCliff EdwardsBusinessWeek Online(www.BusinessWeek.com)Main Ideas When did this partnership begin? What does it mean for the companies involved? How does it relate to ISM 50 concepts?Hulu and Disney: Best Friends Forever On April 30, Disney announced it would begin putting its content on Hulu Hulu was originally formed by NBC Universal and Fox Amount paid said to be 30 million Disney owns ABC/ABC Family Disney will be putting up movies and showsThe Ones That Got Away CBS is most obvious company affected CBS is the only major broadcasting network that is not in a partnership with Hulu Hulu is overshadowing Apple’s renting/buying business (iTunes store) Hule is now #3 online streaming site, reducing the desire to pay for TV and moviesApple’s Counterattack Hulu app for iPhone being developed iPhone soon so have a movie capture feature (within 2-3 months) coupled with basic editing software Apple devising a strategy to gain a larger foothold in streaming video marketHow Article Relates to ISM 50 Concepts Hulu was in no way a new idea – TV.com is CBS’s version Hulu founded by Fox and NBC (companies that are relatively strict w/ distribution) By picking up more contributors, Hulugained a number of shows with large fanbases Originally reamed up with AOL, Yahoo, and Facebook to facilitate initial distributionSun Case Sun N-tier case“…dominant player in powerful servers for the Internet and the exploding market for corporate intranets.” (p.1)“last standing, fully integrated computing company”(p.2)Sun's Revenue (Billions) 1999Servers41%Workstations30%Services19%Software10%How Successful had Sun been up to 1998? Founded in 1982 Open Standards Workstation Unix Operating System (Solaris) TCP/IP networking 1988 – Revenues $1 billion 1993 – Market value $3.0 billon 1997 – Jumped from 3rdto 1stin Unix Server Market.How Successful had Sun been up to 1998? 1993 – “The network is the computer.” 1994 – Internet explodes in popularityMicrosoft mid to late 90s Dominated Desktop software Users familiar with Windows, Office, etc. NT servers Fine for small intranets, “not industrial strength”IT Architecture ISun MicrosystemsSPARC (processor)Solaris (Multiuser, Unix-like OS)Foothold in large server market$1.3B Cash“the better idea would ultimately prevail”MicrosoftIntel (processor)Windows (95, 98) single-user OSNT Server (2000) finally a multiuser OS$13B CashBill Gates is confident that NT can be improved to “industrial strength”IT Architecture IISun MicrosystemsOpen Standards Strategy (TCP/IP, Java)Java (programming language)Java Virtual Machine (JVM) abstract away hardware and OS concernsJava Applets, Servlets, Webtop ComputingN-tier Architecture (an idea or a product?)“Thin Client”Webtop computingMore resource efficient engineering (software maintenance and support)Microsoft“Embrace and Extend”StrategyKills Applets in IE (lawsuit)Total Cost of Ownership (TCO) $9900/PC“Fat Client”PCs are difficult to supportDominate Desktop (Office Suite)Domain-controlled networks (Server 2003/2007)Who won? Who had the better idea?What problems did the micro era produce? Desktops are expensive to maintain TCO for windows PC $9900! Every PC had a lot of software that had to be maintained Office, Windows, etc… Small differences, like the order in which software is installed, could make different PCs behave differently!In the Networking Era These “bloated” PCs are networked and termed fat clients. But networking of PCs offered the possibility of putting most of the functionality into servers Getting rid of much of the software on the client These clients would be called thin clients. Sun, Oracle, and others saw it as the future.Sun had the better ideas!“Sun's goal was to create a fully developed network environment that could serve as a universal open standard for corporations that did not want to be tied to proprietary technology.”(p.13)James A. Gosling, O.C., Ph.D. (born May 19, 1955 near Calgary, Alberta, Canada) is a famous software developer, best known as the father of the Java programming language. Compiling C CodeLibrary files are difficult to keep synchronized for all of the software on a system.This makes maintaining systems difficultEach system becomes uniqueN-tier architecture attempted to avoid this problemhttp://www.sun.com/software/whitepapers/wp-ntier/wp-ntier.pdfhttp://www.sun.com/blueprints/1000/ntier-security.pdfJava: “compile once, run anywhere”Hardware for thin clients A Network Computer(NC) – a computer with minimal hardware that depends on a network connection to a server to function Be careful not to confuse it with the phrase “networked computer!” Example: Sun’s JavaStation (1996-2000) It is the hardware one would use