- UNIT-I
Introduction to E-CommerceThe Scope of Electronic Commerce Definition of Electronic Commerce,Electronic E-commerce and the Trade CycleElectronic Markets, Electronic Data InterchangeInternet Commerce, E-Commerce in PerspectiveBusiness Strategy in an Electronic Age: Supply ChainsPorter’s Value Chain Model, Inter-Organizational Value ChainsCompetitive Strategy, Porter’s ModelFirst Mover Advantage Sustainable Competitive AdvantageCompetitive Advantage using E-CommerceBusiness Strategy, Introduction to Business StrategyStrategic Implications of IT, TechnologyBusiness Environment, Business CapabilityExiting Business Strategy, Strategy Formulation & Implementation PlanningE-Commerce ImplementationE-Commerce EvaluationBusiness-to-Business Electronic CommerceCharacteristics of B2B ECModels of B2B EcProcurement Management Using the Buyer’s Internal MarketplaceJust in Time DeliveryB2B ModelsAuctions and Services from Traditional to Internet-Based EDIThe Role of Software Agents for B2B ECElectronic marketing in B2BSolutions of B2B ECManagerial IssuesElectronic Data Interchange (EDI)EDI: The Nuts and BoltsEDI & BusinessInternet and ExtranetAutomotive Network ExchangeThe Largest ExtranetArchitecture of the InternetIntranet and ExtranetIntranet softwareApplications of IntranetsIntranet Application Case StudiesConsiderations in Intranet DeploymentThe Extranets, The structures of ExtranetsExtranet products & servicesApplications of ExtranetsBusiness Models of Extranet Applications, Managerial IssuesElectronic Payment SystemsIs SET a failureElectronic Payments & ProtocolsSecurity Schemes in Electronic payment systemsElectronic Credit card system on the InternetElectronic Fund Transfer and Debit cards on the InternetStored – value Cards and E-CashElectronic Check SystemsProspect of Electronic Payment SystemsManagerial IssuesA Network Of Networks
The Internet is regularly depicted as a system of systems. Spanning gadgets are the connectors that go along with one piece of the bigger system to another. Crossing over gadgets vary in the advancement of the association they give, yet they all add to the quick development of information that is the way into the Information Age
A system is an assortment of PCs, servers, centralized computers, organize gadgets, peripherals, or different gadgets associated with each other to permit the sharing of information. An astounding case of a system is the Internet, which interfaces a large number of individuals everywhere throughout the world. To the privilege is a model picture of a home system with numerous PCs and other system gadgets all associated with one another and the Internet.
System topologies and sorts of systems
The term organize topology portrays the relationship of associated gadgets as far as a geometric diagram. Gadgets are spoken to as vertices, and their associations are spoken to as edges on the diagram. It depicts what number of associations every gadget has, in what request, and it what kind of chain of importance.
What was the principal PC organize?
One of the primary PC systems to utilize bundle exchanging, ARPANET was created in the mid-1960s and is viewed as the immediate antecedent of the cutting edge Internet. The first ARPANET message was sent on October 29, 1969.
11 Types of Networks being used Today
1. personal Area Network (PAN)
The littlest and most essential kind of system, a PAN is comprised of a remote modem, a PC or two, telephones, printers, tablets, and so on., and rotates around one individual in one structure. These sorts of systems are commonly found in little workplaces or habitations and are overseen by one individual or association from a solitary gadget.
2. Local area network (LAN)
We're certain that you've known about these sorts of systems previously – LANs are the most every now and again talked about systems, one of the most widely recognized, one of the most unique and perhaps the least difficult kind of systems. LANs associate gatherings of PCs and low-voltage gadgets together across short separations (inside a structure or between a gathering of a few structures in nearness to one another) to share data and assets. Undertakings regularly oversee and look after LANs.
Utilizing switches, LANs can associate with wide region systems (WANs, clarified beneath) to quickly and securely move information.
3. Wireless Local Area Network (WLAN)
Working like a LAN, WLANs utilize remote system innovation, for example, Wi-Fi. Ordinarily found in indistinguishable sorts of uses from LANs, these kinds of systems don't necessitate that gadgets depend on physical links to interface with the system.
4. Campus Area Network(CAN)
Bigger than LANs, however littler than metropolitan territory systems (MANs, clarified underneath), these sorts of systems are regularly found in colleges, huge K-12 school areas or independent ventures. They can be spread over a few structures that are genuinely near one another so clients can share assets.
A new source of inspiration
5. Metropolitan Area Network (MAN)
These sorts of systems are bigger than LANs however littler than WANs – and join components from the two kinds of systems. Keeps an eye on range a whole geographic zone (commonly a town or city, yet at times a grounds). Proprietorship and upkeep is dealt with by either a solitary individual or organization (a nearby committee, an enormous organization, and so forth.).
6. Wide Area Network (WAN)
Somewhat more mind-boggling than a LAN, a WAN associates PCs together across longer physical separations. This permits PCs and low-voltage gadgets to be remotely associated with one another more than one huge system to convey in any event when they're miles separated.
The Internet is the most fundamental cause of a WAN, associating all PCs together around the globe. On account of a WAN's huge reach, it is ordinarily possessed and kept up by numerous executives or people in general.
7. Storage-Area Network (SAN)
As a committed rapid system that associates shared pools of capacity gadgets to a few servers, these sorts of systems don't depend on a LAN or WAN. Rather, they move stockpiling assets from the system and spot them into their own elite system. SANs can be gotten to in a similar manner as a drive connected to a server. Sorts of capacity zone systems incorporate joined, virtual and brought together SANs.
8. System-Area Network (also known as SAN)
This term is genuinely new inside the previous two decades. It is utilized to clarify a moderate neighborhood organization that is intended to give rapid association in server-to-server applications (group situations), stockpiling region systems (called "SANs" also) and processor-to-processor applications. The PCs associated with a SAN work as a solitary framework at exceptionally high speeds.
9.Passive Optical Local Area Network (POLAN)
As an option in contrast to conventional switch-based Ethernet LANs, POLAN innovation can be coordinated into organized cabling to beat worries about supporting customary Ethernet conventions and system applications, for example, PoE (Power over Ethernet). A point-to-multipoint LAN design, POLAN utilizes optical splitters to part an optical sign from one strand of Singlemode optical fiber into various signs to serve clients and gadgets.
10. Enterprise Private Network (EPN)
These sorts of systems are constructed and claimed by organizations that need to safely interface its different areas to share PC assets.
11. Virtual Private Network (VPN)
By broadening a private system over the Internet, a VPN allows its clients to users and get information as though their gadgets were associated with the private system – regardless of whether they're most certainly not. Through a virtual point-to-point association, clients can get to a private system remotely.
On the off chance that you have inquiries concerning which sort of system is directly for your association, or need to get familiar with Belden's system arrangements that improve uptime, look after security, and help improve client get to, click here.
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