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Information on various aspects of electronic commerce, including pricing models for different web servers, the use of webdav for document editing and versioning, the analysis of web server log files, and hosting solutions offered by service providers. Examples and technical realizations are given for each topic.
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Electronic Commerce (WS-02/03) 3-
Included in Oracle Internet Application Server (iAS) Examples:
Electronic Commerce (WS-02/03) 3-
Web-based Distributed Authoring and Versioning (WebDAV): Allows for multi-user, concurrent document manipulation over the Web. Some features: o Document Editing: Editors use a check-out / check-in protocol to edit documents o Document Folders: The WebDAV collection abstraction allows to map server repository directories to the Web o Documents Versioning: supported via additional standard DeltaV WebDAV supported on the client-side, some examples: o Windows supports mapping of WebDAV collections to so-called WebFolders. o MS Office tools have integrated WebDAV support Technical realization: Extension of the HTTP protocol by new methods. Integration with WebServer, e.g., o Integration into Apache web server via the mod_dav module. o WebDav functionality is integrated into the Tomcat Servlet Engine For further information see www.webdav.org
Electronic Commerce (WS-02/03) 3-
Solution providers are specialized service providers that connect electronic businesses to the Internet. Apart from Internet connection, they might furthermore o Lease servers to companies o Maintain corporate servers o Provide standard software (e.g., Database Servers, Application Servers, Content Management Systems, Shop systems). These services provider models are common: o Internet Service Provider (ISP) o Service Providers – provide Internet Services and Servers (SP) o Application Service Provider (ASP) Furthermore, a company can choose between different connectivity options o Network services only (Internet connection only) o Full outsourcing (Servers and Software Systems are maintained at the ASP
Electronic Commerce (WS-02/03) 3-
An Internet Service Provider (ISP) is a legal person / company providing network access to the Internet. The ECommerce business company must provide everything else. Network Hardware Operating System Database Content Management System Shop Software
Sun Enterprise Sun Solaris Oracle Database Vignette, CoreMedia OpenShop, Intershop ISION Application Servers Putting up a system at an Internet Service Provider is also called co-location.
Electronic Commerce (WS-02/03) 3-
A server can manage several web hosts. Incoming requests are dispatched to the appropriate web host using the HTTP request HOST field. This is often used by service providers to maintain several web appearances on one computer. Example: Host: www.this.com:80/entry.html Host: www.that.com:80/entry.html www.this.com www.that.com Server: 134.28.70. Internet entry.html entry.html Request for entry.html
Electronic Commerce (WS-02/03) 3-
The ECommerce business company may provide additional application executables. Application Service Provider (ASP) provides everything else. Network Hardware Operating System Database Content Management System Shop Software
Sun Enterprise Sun Solaris Oracle Database Vignette, CoreMedia OpenShop, Intershop Application Servers Examples for SP and ASP solution providers: o www.hostingsolutions.com, www.netfirms.com/
Electronic Commerce (WS-02/03) 3-
Net Dial-Out Services Only Out 1b) Network Services only 1a) Network Services for corporate clients only ISP Net Dial-Out & Dial-In or In / Out Leased Line Lowest Cost Easy maintenance, suitable for low volume services Corporate LAN Clients only Corporate LAN Purchased Servers
