Consolidating Servers Same motivations for multiprotocol servers Higher risk to use a single, multiservice server, why? Consolidating many services into a single server process reduces the number of executing processes dramatically The total code required

Contents NAME SPACE DOMAIN NAME SPACE DISTRIBUTION OF NAME SPACE DNS IN THE INTERNET RESOLUTION DNS MESSAGES TYPES OF RECORDS COMPRESSION EXAMPLES

Introduction Continues the discussion of middleware (i.e., tools and libraries programmers used to construct client-server software) Y Introduces the remote procedure call (RPC) concept, and describes a particular implementation of an rpc that uses XDr standard for data representation

Mobile IP Discussion Overview Will cover: Why IP routing breaks under mobility Mobile IPv44 basics Some low-level- protocol details(message formats, headers, etc.) Lots more detail in the specifications(see RFC)

Network is divided into several smaller subnetworks Each subnetwork(subnet) has its own subnetwork address Hierarchy in IP addressing IP addresses are designed with two levels of hierarchy

一、项目整体管理 二、项目管理 三、项目范围管理 四、九大知识

Learning objectives Explain what a project is and provide examples of information technology projects Describe what project management is and discuss key elements of the project management framework

earning objectives Explain the basic process for developing project schedules Describe how various tools and techniques help project managers perform activity definition, activity sequencing, activity duration estimating, schedule development, and schedule control

Learning Objectives Understand the importance of good communication on projects and describe the major components of a communications management plan Discuss the elements of communications planning--including information

一、生产性粉尘 二、粉尘特性 三、粉尘在机体内过程 四、生产性粉尘对健康的影响 五、生产性粉尘的控制和尘肺预防