CN1925446A - ATM data transmission system and data transmission method - Google Patents
ATM data transmission system and data transmission method Download PDFInfo
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- CN1925446A CN1925446A CN 200610021908 CN200610021908A CN1925446A CN 1925446 A CN1925446 A CN 1925446A CN 200610021908 CN200610021908 CN 200610021908 CN 200610021908 A CN200610021908 A CN 200610021908A CN 1925446 A CN1925446 A CN 1925446A
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Abstract
This invention relates to data transmission network and to one ATM network structure and its data transmission method. This invention provides one ATM ring network, which divides ATM ring network points into upper and down types and when upper points are connected to core device as management points in charge for maintenance topological and dispatching materials as ring data terminal points connected to other device.
Description
Technical field
The present invention relates to data transmission network, particularly a kind of ATM of loop configuration (Asynchronous Transfer Mode) network configuration and data transmission method thereof.
Background technology
(open day: on August 27th, 2002), described such looped network architecture: a plurality of nodes were unified into a ring to U.S. Pat 6442134B1 " atm network with ring-like architecture ", on each node, a pair of reverse grouping ring are set.Each node extracts the data that belong to this node from ring, and the data that do not belong to this node then directly forward, and goes up the data to be sent that interpolation inserts by this node to ring.Each node all both can send data on two rings, can receive data from two articulatings again.
When each node broadcast transmission on two rings was passed through the data of this node access, under all normal situation of the state of two rings, node selected one of them articulating to receive data on the ring; If there is a ring mistake to occur, then selecting does not have wrong articulating to receive data; If mistake all appears in two rings, then receive data from two rings simultaneously.
When each node received data from encircling, under the normal situation of the state of two rings, node selected one of them environment-development to send data arbitrarily according to the destination on the ring; If mistake, then ring is gone up node and is sent data to two environment-development simultaneously.
This architecture of this patent is a two-way closed-loop structure, and it can solve the problem of the reliable intercommunication between the peer node effectively.But also there are some following shortcomings in it:
1) because the bandwidth resources on this ring are limited, be to share this ring between each node on the ring according to the mode of statistic multiplexing, resource is emulative to taking of bandwidth; Do not take corresponding mechanism to guarantee rational unified management of resource and distribution; The traffic between such peer node can't effectively be distributed, and is not suitable for ring is used for the situation that ATM inserts.
2) because it is a closed-loop structure, each node is all from encircling the data of extracting this node, and transmit the data that do not belong to this node, and may cause encircling the situation of the Infinite Cyclic that invalid data occurs, will produce adverse influence to the performance of whole ring like this.
3) the state-maintenance mechanism of the reliable packet level of neither one between each node on the ring, just can only rely on the bottom transmission as the condition managing of ring and the foundation of maintenance, such structure lacks intelligence, is difficult to the topology of the whole network of maintenance and management, also is difficult to carry out the function expansion.
Summary of the invention
Technical problem to be solved by this invention is exactly the above-mentioned shortcoming at prior art, provides a kind of structure more perfect ATM loop network, is used to transmit the ATM data.
The present invention solve the technical problem, and the technical scheme of employing is:
The ATM data transmission system comprises N the loop network with ATM node formation of bidirectional data transfers passage, it is characterized in that an ATM first line of a couplet node is arranged in described N the ATM node; Described ATM first line of a couplet node is connected with the ATM nucleus equipment, is used for the transfer of data of loop network and ATM nucleus equipment and the operational management of loop network; Described ATM first line of a couplet node is the terminal point of full annular network data;
Further be, on each ring between described ATM node and the described ATM first line of a couplet node designated lane arranged all, be used for transmission network management information.
The ATM data transmission method may further comprise the steps:
A. use two rings that data transfer direction is opposite, N ATM node connected into loop network;
B. in above-mentioned N ATM node, set an ATM first line of a couplet node, it is connected with the ATM nucleus equipment;
C. by the log-on message of ATM first line of a couplet node, be each ATM node unified distribution system resource according to other ATM nodes;
D.ATM first line of a couplet node is the terminal point of full annular network data; When the ATM nucleus equipment transmits data, can not recognition data abandon without exception for this node; When sending data, simultaneously to the both direction broadcast transmission;
E. other ATM nodes select one of them ring to extract the data of this node when receiving data; Data for non-node are directly transmitted along the ring of former direction; When sending the data that insert by this node, to both direction while broadcast transmission data.
The invention has the beneficial effects as follows, solved the expensive and rare problem of atm port on the ATM nucleus equipment, utilize the principle of statistic multiplexing, can greatly save cost.Its distinctive open loop architecture can be avoided invalid data problem of Infinite Cyclic on ring, has intelligent and the extendible ability of function, has realized effective management of the access capability and the resource occupation of loop network.Utilize the characteristics of two-way ring, the present invention has also realized data protection function.
Description of drawings
Fig. 1 is a loop network structural representation of the present invention.
Embodiment
Below in conjunction with drawings and the embodiments, describe technical scheme of the present invention in detail.
The ATM data transmission system comprises N the loop network with ATM node formation of bidirectional data transfers passage, it is characterized in that an ATM first line of a couplet node is arranged in described N the ATM node; Described ATM first line of a couplet node is connected with the ATM nucleus equipment, is used for the transfer of data of loop network and ATM nucleus equipment and the operational management of loop network; Described ATM first line of a couplet node is the terminal point of full annular network data;
Further be, on each ring between described ATM node and the described ATM first line of a couplet node designated lane arranged all, be used for transmission network management information;
Further be that the log-on message of described ATM node is stored in the described ATM first line of a couplet node.
ATM data transmission method of the present invention may further comprise the steps:
A. use two rings that data transfer direction is opposite, N ATM node connected into loop network;
B. in above-mentioned N ATM node, set an ATM first line of a couplet node, it is connected with the ATM nucleus equipment;
C. by the log-on message of ATM first line of a couplet node, be each ATM node unified distribution system resource according to other ATM nodes;
D.ATM first line of a couplet node is the terminal point of full annular network data; When the ATM nucleus equipment transmits data, can not recognition data abandon without exception for this node; When sending data, simultaneously to the both direction broadcast transmission;
E. other ATM nodes select one of them ring to extract the data of this node when receiving data; Data for non-node are directly transmitted along the ring of former direction; When sending the data that insert by this node, to both direction while broadcast transmission data;
Concrete is that among the step c, described log-on message comprises resource requirement information;
Further be, on two rings between each ATM node and the ATM first line of a couplet node designated lane arranged all, be used for transmission network management information;
Further be, on the ring certain node detection when malfunction changes, by described designated lane to down direction transmit status indication information;
Further be, the interior direction transmission of ring that described status indication information is only nonserviceabled and changed along this ring, and end at ATM first line of a couplet node;
Concrete is, the Data Receiving passage of the status indication information switching that each node foundation is received ring on self, and transmit mode indication information downstream;
More particularly, described malfunction changes and is meant the living fault of normal environment-development, or out of order ring fault is eliminated.
As shown in Figure 1, ATM data transmission system of the present invention comprises the ATM node that several A TM equipment constitutes, and connects together by ring-like mode, sets up two Virtual Channel (Virtual Channel, VC) other rings of level that direction is opposite between each node.Node on the ring is divided into two types: a kind of ATM of being first line of a couplet node, another kind is the ATM node.ATM first line of a couplet node on the ring has only one, and is connected with the ATM nucleus equipment, and the ATM node can have a plurality of, and the ATM node can dynamically increase or reduce as required.
ATM first line of a couplet node is used for the first line of a couplet of data on the whole ring, and its data on the whole ring that terminated if there is the ATM first line of a couplet node can not recognition data, abandons without exception.When sending data, ATM first line of a couplet node is simultaneously to two ring broadcast transmissions.
Each ATM node selects one of them ring to extract the data of this node; Data for non-node are directly transmitted along the ring of former direction.
When each ATM node sends the data that insert by this node, while broadcast transmission on the ring of both direction.The ATM node does not need the interactive user data each other.
ATM first line of a couplet node is responsible for safeguarding the topology of whole ring and the resource management of whole ring (promptly ring is gone up the distribution of each node VPI scope and VCI scope), and resource allocation must be subjected to the restriction of first line of a couplet node on the ring.
Between each ATM node and the ATM first line of a couplet node on the ring of each direction, a designated lane is arranged all on the ring, be used for the management of the state transfer of loop, whole ring and the information interaction between adjacent node.
The ATM node must be registered on ATM first line of a couplet node by the dedicated management passage earlier before activating, and could formally use after succeeding in registration.
ATM first line of a couplet node is received after the log-on message of access node, safeguards topological structure, and returns the message that succeeds in registration to access node.
ATM node self divides before the resource be used on the ring, must be earlier by designated lane to ATM first line of a couplet node application available resources, apply for successfully after formally distribution.
After ATM first line of a couplet node was received the resource allocation application of ATM node, whether decision agreed the resource bid of this node according to current resource situation, and the resource that will distribute to this node is announced to this node.
When certain node detection is to fault generation or fault elimination on the ring, must be by designated lane to down direction transmit status indication information.
Each node switches the data transmission channel of the reception data of self according to the status indication information of being received on the ring, and finishes indication information transmission downstream simultaneously.
The present invention is divided into two types of first line of a couplet node and access nodes with node, first line of a couplet node is with when nucleus equipment is connected, be responsible for safeguarding that as management node the topological sum of looped network distributes the resource on the ring, it is the destination node that ring is gone up data, and links to each other by looped network with miscellaneous equipment on the ring.Access node then all is linked on the ring, is linked on the nucleus equipment by first line of a couplet node again.
Because ATM loop network of the present invention is a statistic multiplexing, therefore the access node on the ring is open-ended within the specific limits.Such statistic multiplexing method has been saved the atm port on the nucleus equipment, has greatly saved user's cost.
Claims (10)
1.ATM data transmission system comprises N the loop network with ATM node formation of bidirectional data transfers passage, it is characterized in that an ATM first line of a couplet node is arranged in described N the ATM node; Described ATM first line of a couplet node is connected with the ATM nucleus equipment, is used for the transfer of data of loop network and ATM nucleus equipment and the operational management of loop network; Described ATM first line of a couplet node is the terminal point of full annular network data.
2. ATM data transmission system according to claim 1 is characterized in that, on each ring between described ATM node and the described ATM first line of a couplet node designated lane is arranged all, is used for transmission network management information.
3. ATM data transmission system according to claim 1 and 2 is characterized in that, the log-on message of described ATM node is stored in the described ATM first line of a couplet node.
4.ATM data transmission method may further comprise the steps:
A. use two rings that data transfer direction is opposite, N ATM node connected into loop network;
B. in above-mentioned N ATM node, set an ATM first line of a couplet node, it is connected with the ATM nucleus equipment;
C. by the log-on message of ATM first line of a couplet node, be each ATM node unified distribution system resource according to other ATM nodes;
D.ATM first line of a couplet node is the terminal point of full annular network data; When the ATM nucleus equipment transmits data, can not recognition data abandon without exception for this node; When sending data, simultaneously to the both direction broadcast transmission;
E. other ATM nodes select one of them ring to extract the data of this node when receiving data; Data for non-node are directly transmitted along the ring of former direction; When sending the data that insert by this node, to both direction while broadcast transmission data.
5. ATM data transmission method according to claim 4 is characterized in that, among the step c, described log-on message comprises resource requirement information.
6. according to claim 4 or 5 described ATM data transmission methods, it is characterized in that on two rings between each ATM node and the ATM first line of a couplet node designated lane being arranged all, be used for transmission network management information.
7. ATM data transmission method according to claim 6 is characterized in that, on the ring certain node detection when malfunction changes, by described designated lane to down direction transmit status indication information.
8. ATM data transmission method according to claim 7 is characterized in that, the interior direction transmission of ring that described status indication information is only nonserviceabled and changed along this ring, and end at ATM first line of a couplet node.
9. according to claim 7 or 8 described ATM data transmission methods, it is characterized in that each node switches the Data Receiving passage of self according to the status indication information of being received on the ring, and transmit mode indication information downstream.
10. according to claim 7 or 8 described ATM data transmission methods, it is characterized in that described malfunction changes and is meant the living fault of normal environment-development, or out of order ring fault is eliminated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100219086A CN100428726C (en) | 2006-09-21 | 2006-09-21 | ATM data transmission system and data transmission method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100219086A CN100428726C (en) | 2006-09-21 | 2006-09-21 | ATM data transmission system and data transmission method |
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| Publication Number | Publication Date |
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| CN1925446A true CN1925446A (en) | 2007-03-07 |
| CN100428726C CN100428726C (en) | 2008-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2006100219086A Expired - Fee Related CN100428726C (en) | 2006-09-21 | 2006-09-21 | ATM data transmission system and data transmission method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102238029A (en) * | 2010-05-06 | 2011-11-09 | Ls产电株式会社 | Method for electing ring manager of ring topology network, and node |
| CN103825793A (en) * | 2014-03-21 | 2014-05-28 | 京兴智联（北京）水利物联网技术有限公司 | Internet of things data message distributing equipment and method |
| CN104980502A (en) * | 2015-06-10 | 2015-10-14 | 安徽朗坤物联网有限公司 | Internet of things data message distribution equipment and method thereof |
| CN104980504A (en) * | 2015-06-12 | 2015-10-14 | 合肥市徽腾网络科技有限公司 | Internet-of-things data message distribution equipment and method thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9601692D0 (en) * | 1996-01-27 | 1996-03-27 | Newbridge Networks Corp | Network with ring architecture |
| EP1110343A1 (en) * | 1998-08-31 | 2001-06-27 | Siemens Aktiengesellschaft | Wdm ring network |
| CN1571309A (en) * | 2004-04-27 | 2005-01-26 | 汕头大学 | An optical wireless communication ring network |
| JPWO2006075402A1 (en) * | 2005-01-17 | 2008-06-12 | 三菱電機株式会社 | Open loop network node device and open loop network control method |
-
2006
- 2006-09-21 CN CNB2006100219086A patent/CN100428726C/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102238029A (en) * | 2010-05-06 | 2011-11-09 | Ls产电株式会社 | Method for electing ring manager of ring topology network, and node |
| US8705347B2 (en) | 2010-05-06 | 2014-04-22 | Lsis Co., Ltd. | Method for electing ring manager of ring topology network, and node |
| CN102238029B (en) * | 2010-05-06 | 2014-09-24 | Ls产电株式会社 | Method for electing ring manager of ring topology network, and node |
| CN103825793A (en) * | 2014-03-21 | 2014-05-28 | 京兴智联（北京）水利物联网技术有限公司 | Internet of things data message distributing equipment and method |
| CN103825793B (en) * | 2014-03-21 | 2018-06-01 | 京兴智联（北京）水利物联网技术有限公司 | A kind of Internet of Things data message discharge device and its method |
| CN104980502A (en) * | 2015-06-10 | 2015-10-14 | 安徽朗坤物联网有限公司 | Internet of things data message distribution equipment and method thereof |
| CN104980504A (en) * | 2015-06-12 | 2015-10-14 | 合肥市徽腾网络科技有限公司 | Internet-of-things data message distribution equipment and method thereof |
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| CN100428726C (en) | 2008-10-22 |
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Owner name: MAIPU COMMUNICATION TECHNOLOGIES CO., LTD. Free format text: FORMER OWNER: MAIPU(SICHUAN) COMMUNICATION TECHNOLOGY CO.,LTD. Effective date: 20120215 |
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Effective date of registration: 20120215 Address after: 610041 Sichuan city of Chengdu province high tech Zone nine Hing Road No. 16 building, Maipu Patentee after: Maipu Communication Technologies Co., Ltd. Address before: 610041 Sichuan city of Chengdu province high tech Zone nine Hing Road No. 16 building, Maipu Patentee before: Maipu(Sichuan) Communication Technology Co.,Ltd. |
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Granted publication date: 20081022 Termination date: 20150921 |
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