... major topics discussed in this chapter andtheDoIKnowThis Already? ” quiz questions that correspond to those topics Table 1-1 DoIKnowThis Already? ” Foundation Topics Section -to- Question Mapping ... operational costs and appropriate capital investment Consolidation Open Standards Application Performance Unified Fabric Switching Figure 1-3 Virtualization Application Networking Automation ... chapters Anda special thanks tothe technical reviewers, David Morgan and Farai Tafa Their technical advice and careful attention to detail made this book accurate —Anthony Bruno This book would...
... cu i liệu (g i tin) đợc g i thông tin lớp Data Link cố định thay đ i qua lớp mạng Ba lớp cu i Network, Data Link Physical mô hình OSI phơng tiện truyền liệu qua mạng Intranet hay Internet a G i ... biên lớp Transport lớp Session coi nh đờng biên giao thức ứng dụng giao thức hàng đ i liệu Khi lớp: Application, Presentation, Session có liên quan đến việc a đợc liệu, lớp mức thấp liên quan ... giao thức mức cao nên bao gồm lớp Session lớp Presentation chi tiết Đơn giản chúng tạo lớp Application mà lớp quản lý giao thức bậc cao, a đợc việc biểu diễn, mã hoá kiểm soát giao tiếp TCP/IP...
... standards, and trends 21 The process of standardization is summarized as follows: In order to have a new specification approved as a standard, applicants have to submit that specification tothe ... technologies Coordinate adoption of agreed working standards and common practices among participating institutions to ensure end -to- end quality of service and interoperability 18 TCP/IP Tutorial and ... names are fictitious and any similarity tothe names and addresses used by an actual business enterprise is entirely coincidental COPYRIGHT LICENSE: This information contains sample application...
... protocol activity since the last clear command or the router rebooted The IP statistics summarizes the broadcast and multicast activity as well as revealing that there were encapsulation failures SanJose1#show ... switching is enabled IP multicast distributed fast switching is disabled Router Discovery is disabled IP output packet accounting is disabled IP access violation accounting is disabled TCP/IP header ... debug ip rip database command to see the actual entries as they are added tothe RIP database SanJose1#debug ip rip ? database RIP database events events RIP protocol events trigger RIP trigger...
... standards, and trends 21 The process of standardization is summarized as follows: In order to have a new specification approved as a standard, applicants have to submit that specification tothe ... technologies Coordinate adoption of agreed working standards and common practices among participating institutions to ensure end -to- end quality of service and interoperability 18 TCP/IP Tutorial and ... names are fictitious and any similarity tothe names and addresses used by an actual business enterprise is entirely coincidental COPYRIGHT LICENSE: This information contains sample application...
... Introduction to transport layer • The primary duties of the transport layer are to transport and regulate the flow of information from the source tothe destination, reliably and accurately • The transport ... Session establishment, maintenance, and termination overview • One function of the transport layer is to establish a connection-oriented session between similar devices at the application layer ... 16 bits Window: 16 bits – The number of data octets beginning – The number of data octets beginning with the one indicated in the with the one indicated in the acknowledgment field which the...
... standards, and trends 21 The process of standardization is summarized as follows: In order to have a new specification approved as a standard, applicants have to submit that specification tothe ... technologies Coordinate adoption of agreed working standards and common practices among participating institutions to ensure end -to- end quality of service and interoperability 18 TCP/IP Tutorial and ... names are fictitious and any similarity tothe names and addresses used by an actual business enterprise is entirely coincidental COPYRIGHT LICENSE: This information contains sample application...
... cho quỏ trỡnh truyn tin trờn mng hiu qu Phn mm mng Protocol Hierarchies Lp, giao thc, giao din Protocol Hierarchies (2) Protocol Hierarchies (3) Cỏc bc gi bc th Mi quan h gia dch v v giao thc ... CU NI (tip) Gi s cú mt bridge ni mng LAN A v LAN B Bridge lm vic nh sau: -Nhn mi g i tin trờn LAN A v LAN B -Kim tra cỏc a ch ớch ghi cỏc g i tin -Cỏc g i tin trờn LAN A m ớch cng trờn LAN A thỡ ... Benefits of layered protocol specifications Easier to learn Easier to develop Multivendor interoperability Modular engineering Quỏ trỡnh hỡnh thnh chun mng SNA Chun Interconnecti on Proprietary...
... g i liệu - Application Presentation Upper Layer Data Session PDU (Protocol Data Unit) Segment Upper Layer Data Transport IP Header Data Network Packet LLC Header Data Data Link Frame Physical ... tự nhiên TP Hồ Chí Minh 22 Phân rã Application Presentation Upper Layer Data Session Transport Network Upper Layer Data TCP+ Upper Layer Data IP + TCP + Upper Layer Data Data Link LLC Hdr + IP ... Presentation Application Session Transport Transport Network Internet Data link Host to Network (Network Interface) Physical Khoa Công nghệ thông tin - Đ i học Khoa học tự nhiên TP Hồ Chí Minh 17...
... g i liệu - Application Presentation Upper Layer Data Session PDU (Protocol Data Unit) Segment Upper Layer Data Transport IP Header Data Network Packet LLC Header Data Data Link Frame Physical ... tự nhiên TP Hồ Chí Minh 22 Phân rã Application Presentation Upper Layer Data Session Transport Network Upper Layer Data TCP+ Upper Layer Data IP + TCP + Upper Layer Data Data Link LLC Hdr + IP ... Presentation Application Session Transport Transport Network Internet Data link Host to Network (Network Interface) Physical Khoa Công nghệ thông tin - Đ i học Khoa học tự nhiên TP Hồ Chí Minh 17...
... Protocol (ARP) – Automatically maps IP to unknown MAC address • For TCP/IP communications, a datagram on a local-area network must contain both a destination MAC address anda destination IP address ... though they include very different services TCP/IP combines the presentation and session layer into its application layer Combines the Data Link and Physical layer into the Network Access Layer ... devices, andto manage configurations, statistics collection, performance, and security Domain Name System (DNS) – DNS is a system used on the Internet for translating names of domains and their...
... Part 3: OSI OVERVIEW OSI and TCP/IP Architecture TCP/IP Architecture and it’s Protocols TCP/IP Architecture Application Layer Transport Layer Internet Layer Network Interface Layer ... đ a IP: dynamic, automatic, manual Dynamic: máy khách sử dụng đ a IP cấp khoảng th i gian định Automatic:đ a gán thường xuyên cho máy Manual: đ a l a chọn máy khách Application Layer- DNS ... Network Interface Layer ARP (Address Resolution Protocol) Ethernet Token Ring FDDI (Fiber Distributed Data Interface) Network Interface LayerARP Network Interface LayerEthernet Là giao thức...
... nhiều chặng trước đến đích cu i Lớp lớp có liên quan đến đ a logic mạngCác giao thức hay sử dụng IP, RIP, IPX, OSPF, AppleTalk Tầng liên kết liệu (Data link layer – lớp 2): tầng liên kết liệu ... trao đ i thông tin n i nhận g i ngược trở l i xác nhận (ACK) n i g i truyền l i g i liệu bị Tuy nhiên m i trường truyền dẫn tốt cáp quang chẳng hạn việc xy l i nhỏ Lớp giao vận có cung cấp giao ... thông tin mạng, giao thức TCP/IP chia thành phần riêng biệt: giao thức IP sử dụng cho việc kết n i mạng giao thức TCP để đảm bảo việc truyền liệu cách tin cậy Lớp ứng dụng: T i mức cao này, người...
... ENCAPSULATION DATA ĐÓNG G I DỮ LIỆU Application Lower Layer Data TCP Header Lower Layer Data IP Header Data LLC Header Data MAC Header Presentation Session Transport Segment Network Packet Data Link Frame ... Physical Bits Data 0101110101001000010 DE-ENCAPSULATION DATA MỞ G I DỮ LIỆU Application Presentation Session Upper Layer Data Transport Network TC er ead PH IP Data Link Physical Upper Layer Data ... UDP IP ARP RIP IGMP ICMP Link Ethernet Token Ring Frame Relay ATM LIÊN HỆ GI A OSI VÀ TCP/IP CÁC GIAO THỨC MẠNG • • • • Giao thức TCP/IP Giao thức NETBEUI Giao thức NWLINK Giao thức AppleTalk QUESTION...
... đắt tiền II.3 Mạng diện rộng WAN (Wide Area Network) Mạng WAN bao phủ vùng đ a lý rộng lớn quốc gia, lục đ a hay to n cầu Mạng WAN thường mạng công ty a quốc gia hay to n cầu, i n hình mạng Internet ... lo i máy tính: Palm, Laptop, PC, MainFrame - Các thiết bị giao tiếp: Card mạng (NIC hay Adapter), Hub, Switch, Router - M i trường truyền dẫn: cáp, sóng i n từ, sóng vi ba, tia hồng ngo i ... LAN tương đ i rẻ - Quản trị đơn giản Hình 1.1 – Mô hình mạng cục (LAN) II.2 Mạng đô thị MAN (Metropolitan Area Network) Mạng MAN gần giống mạng LAN gi i hạn thành phố hay quốc gia Mạng MAN nối...
... thanks and appreciation to my wife, Kara, and daughter, Katie, for their patience and tolerance for the preoccupation and time away xxvii Introduction This book is a straightforward discussion ... releases it ❑ Indicating whether the frame has passed the ring monitor station (1 bit) As the frame passes the ring monitor station, this Monitor bit is set to If the ring monitor station sees a frame ... set toThe broadcast address is a special case of multicast, and its I/ G bit is set toThe I/ G bit is also known as the multicast bit The Universal/Locally Administered Bit The Universal/Locally...