KR970013961A

KR970013961A - To Set the Clock Source for Ring Network Systems

Info

Publication number: KR970013961A
Application number: KR1019950026437A
Authority: KR
Inventors: 김유영
Original assignee: 김광호; 삼성전자 주식회사
Priority date: 1995-08-24
Filing date: 1995-08-24
Publication date: 1997-03-29

Abstract

1. 청구범위에 기재된 발명이 속한 기술분야1. TECHNICAL FIELD OF THE INVENTION

링 네트워크 시스템Ring network system

2. 발명이 해결하려고 하는 기술적 과제2. The technical problem to be solved by the invention

링 네트워크 시스템에서 링 노드식별번호 및 클럭 품질정보를 구비하는 에스원 바이트를 구비하여 타이밍 루프 방지 및 피디엔유를 가변적으로 운용한다.In the ring network system, the S-1 byte having the ring node identification number and the clock quality information is provided to variably operate the timing loop prevention and PD.

3. 발명의 해결 방법의 요지3. Summary of the Solution of the Invention

다수개의 노드들이 링 형태로 구성되며, 노드들 중 주노드가 외부 클럭원과연결되어 다른 노드들에 클럭원을 전달하는 링 네트워크 시스템의 클럭원 설정 방법이, 주 노드가 에스원바이트의 제1영역에 자기 노드식별번호를 세트하고 제2영역에 클럭원의 품질정보를 세트하여 제1경로 및 제2경로로 전송하는 과정과, 다른 노드들이 제1경로 및 제2경로로 입력되는 에스원바이트를 분석하여 좋은 품질의 클럭원을 세팅하고, 정보를 각각 제1경로 및 제2경로로 전달하는 과정과, 주노드가 에스원 바이트 입력시 자기 노드식별번호이면 피디엔유로 자동 프로비젼하는 과정에서 이루어져, 에스원바이트의 경로를 다이내믹하게 변환하여 좋은 품질의 클럭원을 타이밍 루프없이 공급하는 것을 특징으로 한다.A clock source setting method of a ring network system in which a plurality of nodes are configured in a ring shape and a main node of the nodes is connected to an external clock source to transfer a clock source to other nodes is provided. By setting its own node identification number and setting the quality information of the clock source in the second area, transmitting the first path and the second path, and analyzing the S1 byte inputted by the other nodes in the first path and the second path. Set up a good quality clock source, pass information to the first path and the second path, respectively, and if the main node enters the S1 byte of the self-node identification number is automatically provisioned to the P.D. The path is dynamically converted to provide a good clock source without a timing loop.

4. 발명의 중요한 용도4. Important uses of the invention

링 네트워크 시스템에서 각 노드들의 클럭원을 설정할 시 타이밍 루프를 방지하고 피디엔유를 가변적으로 운용할 수 있어 빠른 시간 내에 최적의 클럭원을 공급할 수 있다.When setting the clock source of each node in the ring network system, timing loops can be prevented and PDENU can be operated variably to provide an optimal clock source in a short time.

Description

To Set the Clock Source for Ring Network Systems

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제4도는 본 발명에 따라 링 네트워크 시스템에서 최적의 품질을 갖는 클럭원 설정 및 노드들의 동기를 구현하기 위한 S1바이트의 구성을 도시하는 도면4 is a diagram showing a configuration of S1 bytes for implementing clock source setting and synchronization of nodes with optimal quality in a ring network system according to the present invention.

제7도는 본 발명에 따른 링 네트워크 시스템에서 두개 이상의 노드에 외부 클럭원이 공급될 시의 특성을 도시하는 도면7 is a diagram showing characteristics when an external clock source is supplied to two or more nodes in a ring network system according to the present invention.

제8도는 본 발명에 따른 링 네트워크 시스템에서 외부 클럭원의 이상 발생시의 동작을 도시하는 도면8 is a diagram showing an operation when an abnormality occurs in an external clock source in a ring network system according to the present invention.

Claims

In a ring network system in which a plurality of nodes are configured in a ring shape and any node of the nodes is connected to an external clock source to transfer a clock source to other nodes, the node is connected to an external clock source. Sets a self node identification number in the first region of the S1 byte and sets quality information of the clock source in the second region, and transmits the node inputting the S1 byte to the node identification number of the first region. When the self-node identification number is not the clock source according to the quality information as its own clock and delivers the S1 byte to the next node, and the self-node identification number is made of the process of provisioning and ending PDIDU, Ring network characterized by fast system synchronization to provide a good clock source without timing loops How to set the clock source of the system.

In a ring network system in which a plurality of nodes are configured in a ring shape and a main node of the nodes is connected to an external clock source to transfer a clock source to other nodes, the main node is a first source of S1 bytes. Setting a self node identification number in an area and setting quality information of a clock source in a second area and transmitting the first and second paths, and the S1 byte inputted by other nodes in the first and second paths; Analyzing and setting the clock source of good quality, transferring the information to the first path and the second path, respectively, and if the main node is a self-node identification number when inputting the S1 byte, automatically provisioning PDIDU. And a ring network characterized by dynamically converting the path of the S1 byte and supplying a good quality clock source without a timing loop. How to set the clock source for your system.

3. The method of claim 2, wherein the main node is connected to an external clock source and has at least one on the ring network.

4. The ring network according to claim 3, wherein the S1 byte comprises 16 node identification numbers and quality level information as byte information each consisting of a 4-bit first region and a 4-bit second region. How to set the clock source for your system.

6. The method of claim 5, wherein the first path is a tense direction and the second path is a counterclockwise direction.

In a ring network system in which a plurality of nodes are configured in a ring shape and a first main node of the nodes is connected to an external clock source and transmits a clock source to other nodes, between the first main node and another node in which a link is formed. In a method in which a link error occurs and an external clock source error of a main node causes the second main node to supply an external clock source, the second main node sets its own node identification number in the first area of the S1 byte and then the second area. Setting the clock source quality information in the first path and the second path, and analyzing the S1 byte inputted by the other paths to the first path and the second path, and setting the clock source of good quality. The process of transferring the information to the first path and the second path, respectively, and the first main node detects a link error and removes the feed NYU of the own node, which is input to another link A process of setting a clock source and automatically provisioning the PDW when the second main node inputs the S1 byte into its own node identification number, and dynamically converts the path of the S1 byte into a good quality clock source. A clock source setting method for a ring network system, characterized in that the supply is performed without a timing loop.

7. The ring network according to claim 6, wherein the S1 byte comprises 16 node identification numbers and quality level information as byte information each consisting of a 4-bit first region and a 4-bit second region. How to set the clock source for your system.

8. The method of claim 7, wherein the first path is clockwise and the second path is counterclockwise.

※ Note: The disclosure is based on the initial application.