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B2C Business Model Portals - Vertical | Horizontal A portal is any website which is into consumer sale. These offer integrate packages of services and contents, such as news, e-mails, shopping , download. These generate revenue by charging money from advertisers, subscription fees, transaction fees, etc. Horizontal -Portals which sell  variety of products. E.g.: Yahoo, amazon, aol are horizontal portals because they cater/provide services to  all uses of the internet, i.e. they have a wide market space. Vertical Portals ( Vortals ) - Which sells product of a particular sector. These attempt to provide similar service as of horizontal portals but are  focused on around a particular subject matter or a market segment. E.g.: iBoats.com E-tailers : Virtual Merchant : Amazon, Snapfish : It’s a online version of retail store where a customer can shop day or night without leaving home or office, i.e. travelling cost. Click and mortar : It's

Chapter - 2 - E-Commerce Business Model -------------------------------------------------------- Business Plan - Document that describes B.M. Ingredients : Value Proposition (WHY ?) - It defines how a company's products or service fulfills the needs of the customer. To develop and analyze a value proposition, one needs to include Personalization and customization Reduction of search cost Reduction of price discovery cost Facilitating transaction. (Services should speak for themselves) Managing Delivery Why should a customer come to you ? Why should he buy products from you ? Revenue Model - ( Colloquially -  How will the website earn money ). A firm's revenue model describes. How exactly a firm is going to generate profit, earn revenue an produce a superior return on its invested capital. (Also called finance model). Research about all the ways of generating money. // Breaking point - A point where

E-commerce II E-commerce II started in 2001 with stunning technology popularity, developed digital infrastructure. E-Commerce - I E-Commerce - II Technology driven It was business driven Emphasis on revenue growth. Emphasis was on earning profit It was ungoverned Strong regulation and governance Dis-intermediation Strengthening intermediaries Belief in pure online strategies Believed in traditional financing Entrepreneurial setup Mixed click & brick strategies Beneficial for first movers Survival in imperfect markets Technology : Mainframes (50 - 75) - Transaction automation used for payroll account receivables Mini - These were used for automation for business functions, e.g. HR functions, etc. PC (1980) - Desktop automation, word processing, etc LAN (1980) - used for doc sharing, communication of workgroups, proj. management, messaging & e-mail. Enterprise Wide Network - It is used for resource planni

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1. Discuss the various methods available for connecting to Internet? 2. What is the difference between Client server mode and peer to peer network? 3. What do you understand by Domain Name System? Discuss the architecture and functionality of DNS in detail. 4. How IP addressing is done? Discuss the various IP address classes in detail. 5. Discuss the TCP/IP model and its services in detail. 6. What o you understand by OSI reference model? Explain briefly advantages of layered approach? 7. What do you understand by web Server? Discuss its functionality in detail. 8. What is the difference between following? a. Paired tag and Singular tag b. Absolute URL and relative URL 9. Discuss the difference between Static and Dynamic IP 10. Discuss briefly following terms: a. Internet Server b. Internet Service Provider c. Internet Access Provider d. Gateway e. UDP f. TCP g. Telnet h. FTP i. E-Mails j. Ping 11. What is the W3C and what does it do? 12. What is HTML v

Electronic Payment Schemes A Layered Protocol Model. A three layer model is used to compare payments schemes. Policy :The semantics of the payment scheme. This includes refunds policies, and the liabilities incurred by customers, merchants and financial institutions. Data flow : The requirements for storage of data by and communications between the parties. This includes not only the data flows for payments themselves but also for refunds, account enquiries and settlement. Mechanism : The methods by which the necessary security requirements for messages and stored data are achieved. All three abstraction levels are tightly coupled since policy makes requirements of data flow and data flow makes requirements of mechanism. Payment Protocol Models Cash: Cash consists of a token which may be authenticated independently of the issuer. This is commonly achieved through use of self authenticating tokens or tamper proof hardware. Cheque <\b>Cheques are payment inst

The First E-mail on the Internet In 1971, the first e-mail was typed into the Teletype terminal connected to the Digital Equipment PDP-10 in the rear of the picture below. The message was transmitted via ARPAnet, the progenitor of the Internet, to the PDP-10 in front. Dan Murphy, a Digital engineer, took this photo in the Bolt, Beranek and Newman datacenter. See ARPAnet. Could They Have Imagined Spam? When they sent this first message in 1971, could they ever have imagined the billions of e-mails that would follow in the years to come? Step A: Sender creates and sends an email The originating sender creates an email in their Mail User Agent (MUA) and clicks 'Send'. The MUA is the application the originating sender uses to compose and read email, such as Eudora, Outlook, etc. Step B: Sender's MDA/MTA routes the email The sender's MUA transfers the email to a Mail Delivery Agent (MDA). Frequently, the sender's MTA also handles the responsibili