Description
includes all those basics which are very essetial for a network as an infrastructure. The PPT covers the entire basics like LAN, WAN, Internet Security. It also covers the various network topologies. Useful for students of IT Management.
Network Infrastructure.
Presentation by : Prachii Garg Roll no. 6 M.B.A.2ND SEM.
INTRODUCTION…….
• Network means connected Computers.Infrastructure Means the basic or fundamental things. • So, network infrastructure includes all those basics which are very essetial for a network as an infrastructure…….. •
Network Infrastructure Includes ……..
?INTERNET. ?INTARNET & EXTRANET. ?WORLD WIDE WEB. ?TYPES OF NETWORK. ?NETWORK TOPOLOGY. ?TCP [Tranmission control protocol] ?IP [Internet protocol] ? now lets discuss these one by one….
What is Internet ?
• It is a Global network of computers,(servers or clients).to exchange information. . It is a "network of networks" that includes millions of private and public, academic, business, and government networks (local or Global),linked by copper wires, wireless connections, and other technologies.
Applications Of Internet
• • • • • • • Download programs and files E-Mail Voice and Video Conferencing E-Commerce File Sharing Information browsing Search the web addresses for access through search engine • Chatting and many more…
What is Intranet ?
• Internal company network that uses Internet standards (HTML, HTTP & TCP/IP protocols) & software. • Accessed only by authorized persons, especially members or employees of the organization • Intranet is dedicated internet to a company whose access is protected by a server called as firewalls.only authorised person are allowed to use it
Intranet Security
Two levels of Security required: • Internal It can be imposed by Public Key Security & Encryption Key. • External Through Firewall.
What is Extranet ?
• Extranet is an Intranet for outside authorized users using same internet technology. • Inter-organizational information system. enable outsiders to work together with company’s employees. • open to selected suppliers, customers & other business partners
Components of extranets ..
Some basic infrastructure components such as the internet Including :• TCP/IP protocols, • E-mail, • Web-browsers, • External business partners & • Tele-commuting employees place order, check status & send E-mail.
Layered System View
Intranet Extranet
Corporate members Clients, partners, customers Global society: competitors
Internet
GROWTH OF INTERNET………
• Innovation stage- [1961-75] Basic idea was generated which was used 4 army purpose only.like ARPANET. • Institutional stage-[1975-95] Used by experts,like NSFNET. • Commercialisation-[1995-today]. Now,its used by all.
World wide web…
• WWW:- www means the ‘world wide web’ Given by ‘TIM BURNERLY’ in 1989-90.www is an large system of services which offers all kind of informations to everyone on internet. The pages which appears are web pages and are written in html.
Introduction to Computer Networks
Computer Networks
Computer network connects two or more autonomous computers.
The computers can be geographically located anywhere.
Introduction to Computer Networks
LAN, MAN & WAN
Network in small geographical Area (Room, Building or a Campus) is called LAN (Local Area Network)
Network in a City is call MAN (Metropolitan Area Network)
Network spread geographically (Country or across Globe) is called WAN (Wide Area Network)
Introduction to Computer Networks
Network Topology
The network topology defines the way in which computers, printers, and other devices are connected. A network topology describes the layout of the wire and devices as well as the paths used by data transmissions.
Introduction to Computer Networks
Star & Tree Topology
The star topology is the most commonly used architecture in Ethernet LANs. When installed, the star topology resembles spokes in a bicycle wheel. Larger networks use the extended star topology also called tree topology. When used with network devices that filter frames or packets, like bridges, switches, and routers, this topology significantly reduces the traffic on the wires by sending packets only to the wires of the destination host.
Introduction to Computer Networks
Bus Topology
Commonly referred to as a linear bus, all the devices on a bus topology are connected by one single cable.
Introduction to Computer Networks
Ring Topology
A frame travels around the ring, stopping at each node. If a node wants to transmit data, it adds the data as well as the destination address to the frame. The frame then continues around the ring until it finds the destination node, which takes the data out of the frame. Single ring – All the devices on the network share a single cable Dual ring – The dual ring topology allows data to be sent in both directions.
TCP/IP Refference MODEL
• TCP means transmission control protocol.In it rules n regulations related to transmission of data are prepared.TCP is an connection oriented protocol for providing a reliable data transport service between two hosts on network. • IP means Internet protocol.IP ensures the security in transmission.
Layers in TCP/IP model
There are four layers 1. Host to network layer or network interface. 2. Internet layer or network layer. 3. Transport layer. 4. Application layer.
Introduction to Computer Networks
Networking Protocol: TCP/IP
• • • • •
Where………. FTP means file transfer protocol. UDP means user datagram protocol. PPP means point to point protocol. ARPAnet means Advance research project agency • SLIP means serial line internet protocol.
Any Questions?
Thanks…………
24
doc_788508084.pptx
includes all those basics which are very essetial for a network as an infrastructure. The PPT covers the entire basics like LAN, WAN, Internet Security. It also covers the various network topologies. Useful for students of IT Management.
Network Infrastructure.
Presentation by : Prachii Garg Roll no. 6 M.B.A.2ND SEM.
INTRODUCTION…….
• Network means connected Computers.Infrastructure Means the basic or fundamental things. • So, network infrastructure includes all those basics which are very essetial for a network as an infrastructure…….. •
Network Infrastructure Includes ……..
?INTERNET. ?INTARNET & EXTRANET. ?WORLD WIDE WEB. ?TYPES OF NETWORK. ?NETWORK TOPOLOGY. ?TCP [Tranmission control protocol] ?IP [Internet protocol] ? now lets discuss these one by one….
What is Internet ?
• It is a Global network of computers,(servers or clients).to exchange information. . It is a "network of networks" that includes millions of private and public, academic, business, and government networks (local or Global),linked by copper wires, wireless connections, and other technologies.
Applications Of Internet
• • • • • • • Download programs and files E-Mail Voice and Video Conferencing E-Commerce File Sharing Information browsing Search the web addresses for access through search engine • Chatting and many more…
What is Intranet ?
• Internal company network that uses Internet standards (HTML, HTTP & TCP/IP protocols) & software. • Accessed only by authorized persons, especially members or employees of the organization • Intranet is dedicated internet to a company whose access is protected by a server called as firewalls.only authorised person are allowed to use it
Intranet Security
Two levels of Security required: • Internal It can be imposed by Public Key Security & Encryption Key. • External Through Firewall.
What is Extranet ?
• Extranet is an Intranet for outside authorized users using same internet technology. • Inter-organizational information system. enable outsiders to work together with company’s employees. • open to selected suppliers, customers & other business partners
Components of extranets ..
Some basic infrastructure components such as the internet Including :• TCP/IP protocols, • E-mail, • Web-browsers, • External business partners & • Tele-commuting employees place order, check status & send E-mail.
Layered System View
Intranet Extranet
Corporate members Clients, partners, customers Global society: competitors
Internet
GROWTH OF INTERNET………
• Innovation stage- [1961-75] Basic idea was generated which was used 4 army purpose only.like ARPANET. • Institutional stage-[1975-95] Used by experts,like NSFNET. • Commercialisation-[1995-today]. Now,its used by all.
World wide web…
• WWW:- www means the ‘world wide web’ Given by ‘TIM BURNERLY’ in 1989-90.www is an large system of services which offers all kind of informations to everyone on internet. The pages which appears are web pages and are written in html.
Introduction to Computer Networks
Computer Networks
Computer network connects two or more autonomous computers.
The computers can be geographically located anywhere.
Introduction to Computer Networks
LAN, MAN & WAN
Network in small geographical Area (Room, Building or a Campus) is called LAN (Local Area Network)
Network in a City is call MAN (Metropolitan Area Network)
Network spread geographically (Country or across Globe) is called WAN (Wide Area Network)
Introduction to Computer Networks
Network Topology
The network topology defines the way in which computers, printers, and other devices are connected. A network topology describes the layout of the wire and devices as well as the paths used by data transmissions.
Introduction to Computer Networks
Star & Tree Topology
The star topology is the most commonly used architecture in Ethernet LANs. When installed, the star topology resembles spokes in a bicycle wheel. Larger networks use the extended star topology also called tree topology. When used with network devices that filter frames or packets, like bridges, switches, and routers, this topology significantly reduces the traffic on the wires by sending packets only to the wires of the destination host.
Introduction to Computer Networks
Bus Topology
Commonly referred to as a linear bus, all the devices on a bus topology are connected by one single cable.
Introduction to Computer Networks
Ring Topology
A frame travels around the ring, stopping at each node. If a node wants to transmit data, it adds the data as well as the destination address to the frame. The frame then continues around the ring until it finds the destination node, which takes the data out of the frame. Single ring – All the devices on the network share a single cable Dual ring – The dual ring topology allows data to be sent in both directions.
TCP/IP Refference MODEL
• TCP means transmission control protocol.In it rules n regulations related to transmission of data are prepared.TCP is an connection oriented protocol for providing a reliable data transport service between two hosts on network. • IP means Internet protocol.IP ensures the security in transmission.
Layers in TCP/IP model
There are four layers 1. Host to network layer or network interface. 2. Internet layer or network layer. 3. Transport layer. 4. Application layer.
Introduction to Computer Networks
Networking Protocol: TCP/IP
• • • • •
Where………. FTP means file transfer protocol. UDP means user datagram protocol. PPP means point to point protocol. ARPAnet means Advance research project agency • SLIP means serial line internet protocol.
Any Questions?
Thanks…………
24
doc_788508084.pptx