tailieunhanh - Lecture Networking essentials plus (3/e) - Chapter 6: Defining network protocols

Chapter 6 deals with project activity planning and presents tools useful in organizing and staffing the various project tasks. It also contains a short discussion of phase-gate management systems and other ways of dealing with the problems that arise when multidisciplinary teams work on complex projects. | Lecture Networking essentials plus 3 e - Chapter 6 Defining network protocols Defining Network Protocols Introduction to Protocols TCP IP NetWare Protocols Other Common Protocols 1 Introduction to Protocols Function of Protocols Protocols in a Layered Architecture Implementing and Removing Protocols 2 How Protocols Work Sender Protocols Break data into packets Add addressing information Prepare data for transmission through the NIC and out onto the network cable Receiver Protocols Take data packets off the cable Bring data packets into the computer through the NIC Strip data packets of transmitting information added by sender Copy data packets to a buffer Pass reassembled data to the application in a usable form 3 The OSI Model Layers of Protocols 4 Standard Stacks Most important models include ISO OSI protocol suite IBM Systems Network Architecture SNA Digital DECnet Novell NetWare AppleTalk Internet protocol suite TCP IP 5 Communication Tasks OSI Model 6 Manufacturer Compatibility 7 MAC Driver or NIC Driver 8 TCP IP Introduction to TCP IP TCP IP Standards TCP IP and OSI 9 Protocols Written Specifically for TCP IP SMTP Simple Mail Transfer Protocol Email FTP File Transfer Protocol Exchanging Files SNMP Simple Network Management Protocol Network Management 10 TCP IP and OSI Four Layers of TCP IP Network Interface Layer Internet Layer Transport Layer Application Layer 11 Transmission Control Protocol TCP IP Three Way Handshake Requestor sends a packet specifying the port number and its initial sequence number ISN to server Server acknowledges with its ISN which consists of the requestor s ISN plus 1 The requester replies with the server s ISN plus 1 12 NetWare Protocols Introduction to NetWare Protocols Medium Access Protocols Internetwork Packet Exchange and Sequenced Packet Exchange IPX SPX Service Advertising Protocol SAP NetWare Core Protocol NCP 13 Comparing NetWare and OSI Reference Models 14 Routing Information Protocol RIP RIP packets allow Workstations to