计算机专业英语第五章.ppt

计算机专业英语 》》
• protocol
n.草案，协议
• nonproprietary 开放性的
• suite
套，组
• across
越过，横过
• interconnect 使互相连接
• communication 信息，通讯
• communicate 沟通
计算机专业英语 》》
• The Internet protocols consist of a suite of communication protocols, of which the two best known are the Transmission Control Protocol (TCP) and the Internet Protocol (IP).
to it. 你马上就要成功了，坚持，坚持下去！ • 5.You are the best. 你真是顶呱呱！[这 是母亲对儿子、女孩对男友常说的话。] • 68.You are fantastic. 你太棒了！
计算机专业英语 》》
Lesson Two Transmission Control Protocol (TCP)
• maximum n.最大量, 极大
adj.最高的, 最多的, 最大极限的
计算机专业英语 》》
英语口语练习材料
• 1.You are going to make it. 你准行！ • 2.You are going to win. 你会赢！ • 3.You are my only hope.
你是我的希望。 • 4.You are almost there. Keep trying，stick
• The TCP provides reliable transmission of data in an IP environment. TCP corresponds to the transport layer (Layer 4) of the OSI reference model. Among the services TCP provides are stream data transfer, reliability, efficient flow control, full-duplex operation, and multiplexing.
• 以连接为导向的
• end-to-end
• 端到端的
计算机专业英语 》》
• TCP Connection Establishment • Connection establishment is
performed by using a "three-way handshake" mechanism. A threeway handshake synchronizes both ends of a connection by allowing both sides to agree upon initial sequence numbers.
计算机专业英语 》》
• responsibility n.责任，职责
• connectionless 无连接
• delivery
传输，递送
• datagram
数据包
• fragmentation 分裂，破碎
• reassembly 重新组装
• link n.连结物, 链接
vt.连结；vi.连接起来
• network-layer address route
网络层
地址
发送
计算机专业英语 》》
• IP has two primary responsibilities: providing connectionless, best-effort delivery of datagrams through an internetwork; and providing fragmentation and reassembly of datagrams to support data links with different maximumtransmission unit (MTU) sizes.
Hale Waihona Puke Baidu
计算机专业英语 》》
• TCP offers reliability by providing connection-oriented, end-to-end reliable packet delivery through an internet work.
• connection-oriented
计算机专业英语 》》
UNIT FIVE
Network Technology and Web Design Tools
Lesson One Internet Protocols Lesson Two Transmission Control Protocol (TCP) Lesson Three Macromedia Dreamweaver MX 2004
计算机专业英语 》》
Lesson One Internet Protocols
• Background • The Internet protocols are the
world's most popular opensystem (nonproprietary) protocol suite because they can be used to communicate across any set of interconnected networks and are equally well suited for LAN and WAN communications.
• Transmission Control Protocol • 传输控制协议 • Internet Protocol • 网际协议
计算机专业英语 》》
计算机专业英语 》》
Internet Protocol (IP)
• The Internet Protocol (IP) is a network-layer (Layer 3) protocol that contains addressing information and some control information that enables packets to be routed.