数据链路控制

HDLC（高级数据链路控制）协议的功能可由专用的HDLC处理芯片或FPGA（现场可编程门阵列）实现。

HDLC is a high level data link control protocol . It 's function can be realized by special HDLC processor or FPGA .

本文采用面向比特的高级数据链路控制规程，并选择了与之相适应的串行通信控制器，使HDLC可通过硬件的初始化方便地实现。

This literary adopt a High-level Data Link Control protocol ( HDLC ) which faces bit , choose the serial communication controller in conformity with it , make HDLC realized conveniently through initializing the hardware .

该网采用点到点协议，利用高层数据链路控制组帧.波分复用技术可充分利用单模光纤容量，以满足不断增长的电信与Internet服务的需要。

The network adopts point-to-poir protocols and uses high-layer data link to control framing WDM technologies make good use of the capacity of single mode fiber to meet the increasing demand for telecom an Internet services .

HDLC（高级数据链路控制）协议是一种面向比特的链路控制规程，它的一般实现方法为采用ASIC器件和软件编程等。

Brief Introduction to Material Purchase Specification HDLC is a link control protocol which based on bit . And it is often realized by ASIC devices or software .

同步数据链路控制适配器

Synchronous data link control [ SDLC ] adapter

数据链路控制规程的计算机模拟

Computer Simulation of Data Link Control Procedures

在同步数据链路控制规程中，从主站发送给次站的控制信息。

In sdlc , the control information sent from the primary station to the secondary station .

高级数据链路控制系统

High-level data link control system

高级数据链路传输控制规程及其软件实现

High-Level Digital Link Control ( HDLC ) Protocol and Its Software Implementation

主要讨论了短波调制解调器硬件平台各个模块的设计与系统数据链路层ALE控制协议的软件实现。

The hardware design and the software realization of data-link layer control protocol of ALE are mainly discussed .

HDLC是被广泛用作数据链路层的控制协议，HDLC的子集被X。

HDLC is used broadly as a protocol of Data Link Layer . The subset of HDLC is adopted by X.

摘要：HDLC是一种面向比特的链路控制规程，广泛用作数据链路层的控制协议。

ABSTRACT : HDLC , which is widely applied to control protocol of Data Link Layer , is based on bit .

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 .

数据链路层的差错控制和编码技术

The Technology of Mistake Controlling And Code In Data Link Layer

GB/T7496-1987信息处理系统数据通信高级数据链路控制规程帧结构

Information processing systems Data communication High-level data link control procedures Frame structure

GB/T7575-1987数据通信高级数据链路控制规程规程要素汇编

Data communication High-level data link control procedures Consolidation of elements of procedures

在本地网络中，数据链路层假设任务控制使用共享媒介。

In local networks , the data link layer often assumes the task to regulate access to a shared medium .

提出了一种采用伸缩缓冲流量控制方法、缓冲虫洞路由交换机制、支持可变长度数据包传输的链路控制协议。

We designed and implemented a simplified link-level protocol with elastic buffered flow-control and buffered wormhole routing switching , it can support to transmit variable-length packet .

文中还研究了数据链路层的差错控制和流量控制协议及其算法，并对它们的性能进行定量分析。

At data link layer , we also researched the error control and the flow control protocols and its algorithms , and analyzed quantitatively their performance .

在分析了该系统的控制数据类型与网络环境之后，使用了实时性数据一次性丢弃的数据链路控制辅助技术&TOD（Try-Once-Discarded）动态存取方式。

After the analysis of control data type and network environment of this system , the dynamic access mode of Try-Once-Discarded , one-time abandonment MAC for real-time data is employed . In experimental analysis , the comparison between novel method and traditional method is carried on .

数据网由中心站（钻井公司）采用轮询方式控制，使用标准的数据链路控制规程，和CRC-16校验方式。

Standard data chain and CRC-16 check mode are used in inquiry control by the central station at the drilling company .