数据封装

基于J2EE体系的数据封装机制的实现与性能分析

Implementation and Performance of the Mechanism of Data Encapsulation Based on J2EE

该系统采用JSP，Java，VISUALBASIC，ASP多种代码混合编程，利用组件技术，数据封装，模块化的三级结构体系框架进行系统设计。

The system uses JSP , Java , Visual Basic , ASP variety of mixed programming code , components , data encapsulation , modular three-tier architecture framework .

在本论文实现中，XML数据封装主要应用于综合显示终端程序与WEBService应用接口之间的数据交换，以及终端间、终端与服务器之间的通信过程中。

In this paper , XML data is mainly used in communication procedure between terminal program and Web Service method interface .

VPN将企业网的数据封装在隧道中，通过Internet进行传输。

VPN encapsulates the data of enterprise network into the tunnel and transmits it through the Internet .

PPP协议是个被广泛使用，用来实现LAN协议中继的WAN数据封装协议。

PPP protocol is a widely supported WAN datagram encapsulating protocol .

数据封装到SDO对象中后，它就可以在J2EE层间高效地传输。

Once encapsulated into SDO objects , data can be transferred efficiently over J2EE layers .

来自客户机的XML封装在address元素，但是服务器要求数据封装在profile元素中。

The XML from the client is wrapped within an address element , but the server expects the data to be wrapped within a profile element .

其次，AD模数转换模块将模拟信号转换成数字信号后送入系统控制模块进行数据封装。

Secondly , AD analog-to digital conversion module converts analog signals into digital signals and sends these digital signals into system control module for data encapsulation .

VPN关键技术是实现隧道通信，而隧道通信是靠复杂的协议来实现数据封装。

The core of VPN is to realize tunnel communication , which fulfils the task of data encapsulation via complicated protocol .

OO的关键包括数据封装和继承的概念。

Some of the keys to OO are the data encapsulation and the concept of inheritance .

针对上述问题而产生的WEBService技术以XML格式进行自身描述、数据封装，做到了真正意义上的跨平台数据传输，同时也独立于某种特定的开发环境或编程语言。

Aiming to solve the problem mentioned above , Web Service is a breaking technology , which self-describe and form the data package in XML . It is independent of a specific programming language or platform .

本文首先对SET协议的基本结构、证书管理和交易流程进行了分析，对整个协议的安全机制进行了研究，包括协议中使用的加密算法、数据封装格式和安全性。

Firstly , the paper analyzes the basic structures of SET protocol , certificate management and transaction processes . The paper studies the whole SET protocol , including the encryption algorithms , data encapsulation methods and security used in the protocol .

入口边缘路由器主要负责将来自IP网的数据封装成数据突发，然后按照数据包的目的地址和服务质量（QualityOfService，QoS）类型等指标进行分类和优先级排队；

IP packet data is assembled into data burst at ingress router , and then the data burst is classified and queued according to the destination address , QoS ( Quality of Service ) type and priority etc.

API允许使用POST、PUT和DELETE方法（将服务数据封装在HTML表单或XMLAtom文档中）输入和管理信息。

The API allows information to be entered and managed using POST , PUT , and DELETE methods with the service data encapsulated in an HTML form or an XML Atom document .

通过修改Linux的部分函数及定义特定的数据封装格式，该平台为多种加密算法提供了方便的接口，使得用户可在该平台上实现软件加密或硬件加密。

By modifying portion functions of Linux and defining a particular encapsulation format , this plat-form can be used in different network environment and vary encryption algorithms ( including software and hardware ) .

GFP是一种新型的数据封装协议，它可以给多种业务提供通用的数据传输机制。

GFP is a new data encapsulation protocol , which can provide a common data transport mechanism for a variety of traffic types .

综述了VPN保证VoIP通信安全的数据封装技术，并对VPN对VoIP服务质量的影响作了较深入的分析。

This paper introduces data encapsulation methods , which are used to secure communication of VoIP , and deeply analyzes VPN 's influences on QoS of VoIP .

和其它数据封装技术相比，GFP具有效率更高、可靠性更强、系统带宽利用率高等技术优势。

Compared with other data encapsulation technique , GFP is more efficient , more reliable , and has higher using rate of system bandwidth .

而后，本文详细设计了结合802.1x、EAP及RADIUS等协议的认证与控制管理流程及其数据封装。

Second , we design the authentication and control management procedure by combining 802.1 x , EAP , RADIUS protocols , and encapsulated the data .

同时阐述了仿真ADSL状态转换、建立系统连接、数据封装、信元定界和系统速率匹配等技术问题。

At the same time the state conversion of simulation ADSL module , system initialization , data encapsulation , the cell demarcation and valorize velocity matching are expounded .

由于其具有封装效率高、开销低等优点，在POS技术中被用作提供数据封装和链路控制功能的数据链路层协议。

Because it has higher efficiency and lower cost in encapsulation , PPP is chosen as a link layer protocol in POS to offer data encapsulation and link controling .

语音数据封装时以MAC地址做为寻址对象，系统直接驱动底层的网络接口收发语音帧，去除冗余的IP层报头开销，对分组语音数据不采用压缩算法，避免过高的附加时延；

Network interface is directly drived to receive / send voice data packet by system , through which redundant IP header is wiped off ; compressing algorithm for voice data is not adopted during encapsulation to avoid long additional time delay .

本文设计了一种基于MPEG-4的实时视频传输控制方案，它用RTP协议对MPEG-4视频流数据封装，充分利用RTP／RTCP协议原理，设计了一种自适应传输控制模型。

This thesis put forward a real-time project of video transmission based on MPEG-4 , which used RTP agreement on data stream packaging MPEG-4 . We design a self-controlled model by RTP / RTCP agreement .

为了解决家居控制网络中的安全性和用户操作的合理性等关键问题，通过采用蓝牙链路级安全模式，融合WebCookie的用户权限管理及带校验的命令数据封装等方法进行了有效解决。

Some effective measures are put forward , such as Bluetooth Security at Link Level , user authority management based on Web Cookie , and a control data frame with check code to solve mainly problems of security and user operation rationality in the network .

文中提出并实现了基于安全套接字层（SSL）1技术和XML数据封装的分布式入侵检测系统（DIDS）安全通讯协议。

This paper designs and implements a communication protocol which is based on Security Socked Layer ( SSL ) and used XML to package data , the protocol is used for a Distributed Intrusion Detection System ( DIDS ) .

服务器将数据封装到指定的函数调用中，即myfunction（）。

Server to wrap up the data in a call to the function I 've specified , in this case myfunction () .

OOP语言虽然为提高软件模块化程度发挥了极大作用，但其局限性也越来越多地受到关注，它们大多都是由于其数据封装所导致的对象灵活性缺失而造成的。

Although the most popular object oriented programming ( OOP ) languages have greatly improved modularization of software , their limitations have been paid more and more attention . The limitations mostly result from the reduced flexibility of objects due to data encapsulation .

但在实现传统通信网络和PTN网络的融合过程中，会出现许多问题，比如如何保障分组传送网络中传送TDM业务的服务质量QoS、数据封装类型的互通、定时信息的分配等。

But during the process of realizing the combination of the traditional communications networks and PTN , there will be a lot of problems , such as how to protect the QoS of TDM services over PTN , data encapsulation type , and clock information distribution and so on .

即，将数据封装和多层设计结合起来。

Data encapsulation and multi-tiered design go hand in hand .

网格系统中信息流到服务数据封装的研究与应用

Research and application of wrapping information stream into service data in grid system