范加索尔拉

摘要： TCP Connection Management Out of Order and Duplication (复制) Problem Old segment from previous connections to come Use long sequence number (32 bits) E 阅读全文

摘要： UDP unreliable, just add de multiplexing and error checking on data than IP. Best effort datagram(数据报) service Multiplexing enables sharing of IP data 阅读全文

摘要： IPv6 Longer address field : 128 bits can support up to 3.4 x 10^38 hosts Simplified header format : Simpler format to speed up processing of each pack 阅读全文

摘要： DHCP Dynamic Host Configuration Protocol(动态主机配置协议) (RFC 2131) Bootstrap Protocol BOOTP(引导程序协议) allows a diskless(无盘) workstation to be remotely booted 阅读全文

摘要： 队列 特点：FIFO，先入先出，插入删除在两段进行（入队出队） 操作： 1. 生成。 2. 判断未满 3. 判断非空 4. 入队 5. 出队 数组实现 一个一维数组 记录头元素位置变量front 记录尾元素位置变量rear 开始时front和rear都是 1。 循环队列 使用求余实现循环 线性数组的 阅读全文

摘要： Address Resolution Protocol IP addresses are said to be logical , because they are defined in terms of logical topology of the routers and end systems 阅读全文

摘要： IP Address Problems IP Address Exhaustion Class A, B, and C address structure inefficient Class B too large for most organizations, but future proof C 阅读全文

摘要： Routing Table Each row in routing table contains: Destination IP address IP address of next hop router Physical address Statistics information Flags H 阅读全文

摘要： Subnet Addressing To better utilize IP address Subnet addressing introduces another hierarchical (分层) level Transparent to remote networks Simplifies 阅读全文

摘要： IP Addressing(处理) Each host on Internet has unique 32 bit IP address Each address has two parts: netid and hostid netid(网络号) is unique & administered( 阅读全文