Switch Hardware device connect multiple nodes in a network. Connect to nodes and allow them to send and receive data Nodes can communicate with each other thro switch.
router Forward data across networks The internet is actually a set of networks interconnected by routers
Internetworking protocols Protocol or sets of rules that govern the method of communication Why? It specifies the format of data during information exchange on a network TCP/IP is a set of communication protocol Different computers/machines from the network can communicate with this protocol
Application layer 5 Layer 5
Application layer=layer 5 Software that enables the user to perform useful work. Software at this layer that makes the network valuable Software is the key for everything.
Client Server Concepts Architecture- the structure and organization of a computer's hardware or system software
Client Server Intro Computing application evolves from single user to multi user Business/industry demands a collaborative computing application share of resources and data hence-save cost for the business Therefore –the birth of client-server architecture
Client –Server :in a nutshell request Client response Network/ Internet request Server response
Features of client-server architecture
How to start a Web Development Business Ask yourself consulting based or registered company? "If you are strong, appear weak. But if you are weak, appear strong." — Sun Tzu. You the owner have to be in control.-invest on great teams. Open source is KING (use open source development tool.) Social Media Sites as your marketing platform!
Home work In groups. List 5 things that you as a group think we should learn from this class. email me. List down your group members.