E-business Infrastructure Chapter 3 E-business Infrastructure Fakultas Ilmu Komputer Mercu Buana

Fakultas Ilmu Komputer Mercu Buana Introduction Realize one must have adequate E Business Infrastructure Affects the quality of service of its users Speed, reliability, responsiveness This means maximizing the uses of Hardware, Network, and Software Some key decisions would be deciding whether to manage these aspects internally or outsource them Today’s class will be about Jargons! Fakultas Ilmu Komputer Mercu Buana

Fakultas Ilmu Komputer Mercu Buana What is The Internet? Internet is simply a communications enabler Between two connected computers It is client / server Via ISP.. To another ISP… To a Backbone (Superhighways) Look at the history Developed for the DOD Must be reliable … packets and routes Slow acceptance, but it took off fast! Fakultas Ilmu Komputer Mercu Buana

Fakultas Ilmu Komputer Mercu Buana History of Internet Fakultas Ilmu Komputer Mercu Buana

Fakultas Ilmu Komputer Mercu Buana How Big is The Internet? Very Big, with optimum scalability Users In the billions Web Servers Netcraft 178 Million Sites Pages Use search engine index Fakultas Ilmu Komputer Mercu Buana

Fakultas Ilmu Komputer Mercu Buana Intranet Vs. Extranet Varies in definition Intranet  Limited inside Extranet  Extended to others and beyond Used not just to disseminate information Disseminate applications Cheap TCO on web based apps With applications, content are dispersed! Use CMS to manage the update and publications of information Fakultas Ilmu Komputer Mercu Buana

Fakultas Ilmu Komputer Mercu Buana Intranet Vs. Extranet Fakultas Ilmu Komputer Mercu Buana

Fakultas Ilmu Komputer Mercu Buana Intranet Vs. Extranet Why stop at extranet? Security and reliability Cost reduction  in Business Process The challenge for management To ensure that it is being used Mostly used to connect to partners Between different applications? Need EAI and Middleware Internet or Extranet Connect to outside party… must use firewall! Fakultas Ilmu Komputer Mercu Buana

Fakultas Ilmu Komputer Mercu Buana The WWW WWW is simply a standard method of access It is the content of the Internet Uses a browser to display pages in html, xml, .. Others Web Browsers, Web Servers Static Vs. Dynamic Pages & Web 2.0 Emails, Blogs, RSS Voip If one can send data via internet -- Can one convert sound into data? P2P, Hosted, Replace, or Upgrade Fakultas Ilmu Komputer Mercu Buana

The Internet Standards Networking Standards TCP/IP  Moves data… at network and transport Proven to be the standards of today. Part of OSI IP Address The specific number.. Like the address Packets Messages broken up Fakultas Ilmu Komputer Mercu Buana

Http, Url, and Domain Names HTTP Protocol  The way information is passes between web browser and servers URL  The address standards http:// Domain Names  Name of the company, or of the web server. Must be registered! Fakultas Ilmu Komputer Mercu Buana

Web Presentation and Data Exchange Everyone wants good content! Attract visitors! Use HTML, XML… Meta-tags and meta-data Semantic Web  data with defined meaning to improve exchange of information Will use intelligent agents! Not yet mature Add audio and video GIF, JPG, Wav, Avi, Mp4/3 Fakultas Ilmu Komputer Mercu Buana

The Owner of the Internet? The government? Supra-government organizations? ICANN, ISOC, IETF, W3, TINA Can you indirectly control the internet? Look at Microsoft…. Even software giants don’t fully have control Open source is gaining attention Server market Fakultas Ilmu Komputer Mercu Buana

Managing Hardware and Software Managing systems Standardize…. Managing Network Internally managed, or outsourced? Managing Storage Consider the tradeoff! Fakultas Ilmu Komputer Mercu Buana

Internet Service Providers Companies that provide access to the internet Direct connection to backbone, or via other ISPs Could be dial-up or broadband.  Main issue is to gain excellent quality of service for a lower price Speed of access  Network, and machines Check bandwidth capacity, technology and dedication Ensure highest rate of availability! Consider SLA and security issues! Fakultas Ilmu Komputer Mercu Buana

Managing E Business Applications Infrastructure Let’s look at the history Business applications as Silos Result of independent investment decisions, which were sporadic! Not realizing the business benefits…. Companies move to ERPs So ERP is a chunk!… but a bigger chunk! Still incomplete, and needs tweaking and integration What do you think? Fakultas Ilmu Komputer Mercu Buana

Fakultas Ilmu Komputer Mercu Buana Web Services and SOA WebServices  Software services provided at a more granular level via the Internet Reusable, independent of operating system, programming languages, and open! SOA  Service Oriented Architecture Architecture comprising of numerous services EDI  Electronic Data Interchange The Exchange of structured business information Hence, its proprietary, and expensive Fakultas Ilmu Komputer Mercu Buana