CN101184018A - Automatic exchange optical network and traditional network interconnecting method - Google Patents
Automatic exchange optical network and traditional network interconnecting method Download PDFInfo
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- CN101184018A CN101184018A CNA2007103012890A CN200710301289A CN101184018A CN 101184018 A CN101184018 A CN 101184018A CN A2007103012890 A CNA2007103012890 A CN A2007103012890A CN 200710301289 A CN200710301289 A CN 200710301289A CN 101184018 A CN101184018 A CN 101184018A
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Abstract
The invention discloses an interconnection method of automatic exchange optical network and traditional network, which comprises the following steps: 1. Connections are established on the traditional network by a management plane, one or more connections of the traditional network form virtual link in the automatic exchange optical network, and then the configured virtual link information is distributed in the automatic exchange optical network; wherein, the virtual link information comprises the resource label corresponding relationship at two ends of the virtual link; 2. The automatic exchange optical network utilizes the configured virtual link information for connection recreation or rerouting. Compared with the prior interconnection method of the ASON network and traditional network, the ASON network has the advantages of using the traditional network resource for business establishment and rerouting, and improving the intelligence of network business scheduling.
Description
Technical field
The present invention relates to transmit the net field, relate in particular to a kind of ASON (AutomaticSwitched Optical Network is called for short ASON) and legacy network interconnected method.
Background technology
Optical-fiber network, OTN (Optical Transmission Network for example, optical transport network), WDM (Wavelength-Division Multiplexing, wavelength division multiplexing), SDH (Synchronous DigitalHierarchy, synchronous digital hierarchy) or SONET (Synchronous Optical Network, Synchronous Optical Network) transmits net, be used widely at field of telecommunications.ASON is the research focus of field of optical networks in recent years.It finishes functions such as the professional automatic foundation that connects, automatic recovery by special control plane (Control Plane is called for short CP) is set.
Legacy network before ASON, the foundation of its business and recovery are by management plane (Management Plane, be called for short MP) control, because actual engineering disposed a large amount of legacy networks, newly deployed ASON network how with legacy network interconnected and utilize ASON business set up and recovery aspect advantage be to need the problem considered.
As shown in Figure 1, a kind of schematic network structure that ASON network and legacy network are interconnected: between client a and client b, have three networks, respectively the ASON network of forming by A, B, C, D, the legacy network of forming by E, F, G, H, the ASON network formed by J, K, L, M.As between client a and client b, setting up a business, general solution is the professional route of at first determining between the network, as determining the B-E link, the F-J link is as the route between the network, and employed concrete resource tag on definite link, so just carrying client a is divided into three connections to the end-to-end connection of client b business, be respectively the connection of client a to the B-E link, the B-E link is to the connection of F-J link, the F-J link is to the connection of client b, and then in three networks, set up above-mentioned three connections respectively, wherein the B-E link is responsible for foundation to the connection of F-J link by management plane, and other two connections are responsible for foundation by the control plane of ASON network separately respectively.
Though above said conventional method can finish establishment of connection, the route between the network can not be determined automatically, needs network management personnel's intervention, connects create automatically intelligent not enough.In addition, said method can not satisfy the needs of business recovery heavy-route.
Summary of the invention
Technical problem to be solved by this invention provides a kind of ASON and legacy network interconnected method, to improve the intelligent of professional end-to-end scheduling.
In order to solve the problems of the technologies described above, the invention provides a kind of ASON and legacy network interconnected method, comprise the steps:
(1) connect by management plane on legacy network, one or more being connected of described legacy network forms virtual link in the ASON, then the virtual link information of described configuration is issued in described ASON; Wherein, described virtual link information comprises the resource tag corresponding relation at described virtual link two ends;
(2) described ASON utilizes the virtual link information of described configuration to connect establishment or heavy-route.
The method of the invention, wherein, step (1) comprises the steps:
(1.1) on legacy network, connect by management plane;
(1.2) one or more being connected of described legacy network forms virtual link in the ASON, and wherein, described virtual link information comprises the resource tag corresponding relation at described virtual link two ends;
(1.3) described virtual link information configuration is arrived described ASON;
(1.4) the described ASON node that disposes described virtual link is broadcasted described virtual link information in described ASON;
(1.5) all nodes in the described ASON all obtain the virtual link information of described configuration.
The method of the invention, wherein, in the step (1.2), described virtual link information also comprises Linktype, protected mode, weight, capacity, shared risk link group.
The method of the invention wherein, in the step (1.3), comprises following dual mode to described virtual link information configuration to described ASON:
(1.31) management plane of described virtual link information by described legacy network disposed two ASON nodes to described virtual link two ends respectively;
(1.32) management plane of described virtual link information by described legacy network disposed to the described virtual link ASON node of an end wherein, the ASON node of the other end of described virtual link is known described virtual link information by protocol interaction from the described ASON node that has been configured.
The method of the invention, wherein, step (2) comprises the steps:
(2.1) described ASON is chosen route, the virtual link of this route through being made of described legacy network resource;
(2.2) after the upstream ASON node of described virtual link receives and connects the request of foundation, select the resource tag of described virtual link at this node;
(2.3) the upstream ASON node of described virtual link sends to connect and sets up the downstream ASON node of asking virtual link;
(2.4) the downstream ASON node of described virtual link receives and connects the request of foundation, determines the resource tag of virtual link on the ASON node of downstream by the resource tag corresponding relation that the virtual link that carries in the request is searched described virtual link two ends at the resource tag of upstream node;
(2.5) the upstream ASON node of described virtual link and downstream ASON node are provided with the interconnection that transmits the plane according to virtual link at the resource tag of this node.
Adopt the method for the invention, compare with the legacy network interconnected method with existing ASON network, the ASON network can use the resource of legacy network to carry out business and set up and heavy-route, has improved the intelligent of Network scheduling.
Description of drawings
Fig. 1 is the interconnected a kind of schematic network structure of ASON network and legacy network;
Fig. 2 is application example ASON network of the present invention and the interconnected another kind of schematic network structure of legacy network;
Fig. 3 is the resource tag corresponding relation schematic diagram that application example legacy network resource of the present invention constitutes virtual link;
Fig. 4 is the schematic diagram that application example legacy network resource of the present invention constitutes virtual link;
Fig. 5 is the schematic diagram that application example ASON network of the present invention uses the specific embodiments of virtual link;
Fig. 6 is the ASON schematic network structure after the legacy network among application example Fig. 1 of the present invention constitutes virtual link.
Embodiment
Below in conjunction with the drawings and specific embodiments technical scheme of the present invention is described in detail.
Embodiment of the invention ASON and legacy network interconnected method comprise the steps:
(1) on legacy network, connects by management plane;
(2) one or more being connected of described legacy network forms virtual link in the ASON, wherein, described virtual link information comprises the resource tag corresponding relation at described virtual link two ends, also comprises Linktype, protected mode, weight, capacity, shared risk link group etc.;
(3) described virtual link information configuration to described ASON, this configuration comprises following dual mode: the management plane of described virtual link information by described legacy network disposed two ASON nodes to described virtual link two ends respectively; Perhaps the management plane of described virtual link information by described legacy network disposed to the described virtual link ASON node of an end wherein, the ASON node of the other end of described virtual link is known described virtual link information by protocol interaction from the described ASON node that has been configured;
(4) the described ASON node that disposes described virtual link is broadcasted described virtual link information in described ASON;
(5) all nodes in the described ASON all obtain the virtual link information of described configuration;
(6) described ASON utilizes the virtual link information of described configuration to connect establishment or heavy-route:
(6.1) described ASON is chosen route, the virtual link of this route through being made of described legacy network resource;
(6.2) after the upstream ASON node of described virtual link receives and connects the request of foundation, select the resource tag of described virtual link at this node;
(6.3) the upstream ASON node of described virtual link sends to connect and sets up the downstream ASON node of asking virtual link;
(6.4) the downstream ASON node of described virtual link receives and connects the request of foundation, determines the resource tag of virtual link on the ASON node of downstream by the resource tag corresponding relation that the virtual link that carries in the request is searched described virtual link two ends at the resource tag of upstream node;
(6.5) the upstream ASON node of described virtual link and downstream ASON node are provided with the interconnection that transmits the plane according to virtual link at the resource tag of this node.
As shown in Figure 2, the another kind of schematic network structure that application example ASON network of the present invention and legacy network are interconnected: the ASON network is made up of A, B, four nodes of C, D, and internodal Linktype is STM-16.Legacy network is made up of E, F, four nodes of G, H, and internodal Linktype is STM-16.3# port and the link between the legacy network of the node C of ASON network are STM-4, and 2# port and the link between the legacy network of the node D of ASON network are STM-16.
The first step: as shown in Figure 3, application example legacy network resource of the present invention constitutes the resource tag corresponding relation schematic diagram of virtual link: the 1#VC4 of 1# port that sets up node E by the management plane of legacy network is through the connection of legacy network to the 5#VC4 of the 2# port of node F; The 2#VC4 of 1# port that sets up node E by management plane is through the connection of legacy network to the 6#VC4 of the 2# port of node F; The 3#VC4 of 1# port that sets up node E by management plane is through the connection of legacy network to the 7#VC4 of the 2# port of node F;
Second step: as shown in Figure 4, application example legacy network resource of the present invention constitutes the schematic diagram of virtual link: form virtual link between the 3# port of the node C of ASON network and the 2# port of node D, the capacity of link is 3 VC4; The resource tag corresponding relation of both link ends is as shown in table 1 below:
| Resource tag in the |
Resource tag in the |
| 1#VC4 | 5#VC4 |
| 2#VC4 | 6#VC4 |
| 3#VC4 | 7#VC4 |
The resource tag corresponding relation of table 1 both link ends
The 3rd step: the virtual link information configuration is arrived the C node of ASON network to the C of ASON network, D node or the virtual link information configuration, and the D node is by obtaining virtual link information alternately with the C node;
The 4th step: the C of ASON network, D node are broadcasted virtual link information in the ASON network;
The 5th step: all nodes in the ASON network comprise that the capacity that A, B node have all obtained between the 2# port of the 3# port of node C and node D is the virtual link information of 3 VC4;
The 6th step, as shown in Figure 5, application example ASON network of the present invention uses the schematic diagram of the specific embodiments of virtual link: the ASON network uses the virtual link information of described configuration to connect and creates or the heavy-route step: choose route, this route is: the 3# port of node A ← → the 1# port of node C ← → the 3# port of node C ← → the 2# port of node D ← → the 1# port of node D ← → the 3# port of Node B;
The 7th step: node C receives the connection that comes from node A and sets up request, carries the 1#VC4 that internodal route of A, C and resource tag are the 3# port of node A in the solicited message; It is the 1#VC4 of the 3# port of node C that node C selects internodal route of C, D and resource tag;
The 8th step: node C sends to node D and connects the request of foundation, carries internodal route of C, D and resource tag information in the solicited message, i.e. the 1#VC4 of the 3# port of node C;
The 9th step: node D receives the connection of node C and sets up request, check the 1#VC4 of the 3# port that internodal route of C, D in the solicited message and resource tag are node C, node D searches above-mentioned " table 1 " and determines that the 1#VC4 of 3# port of node C is corresponding to the 5#VC4 of the 2# port of this node.Node D sends to Node B and connects the request of foundation, carries the 1#VC4 that internodal route of D, B and resource tag are the 1# port of node D in the solicited message;
The tenth step: the transmission crossing on the same level of node C connects the 1#VC4 that the 1#VC4 that is set to the 1# port is crossed to the 3# port; The transmission crossing on the same level of node D connects the 1#VC4 that the 5#VC4 that is set to the 2# port is crossed to the 1# port.
As shown in Figure 6, the ASON schematic network structure behind the formation of the legacy network among the application example Fig. 1 of the present invention virtual link; Similarly, network configuration shown in Figure 1 is handled according to the method described above, obtains schematic network structure shown in Figure 6.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. ASON and legacy network interconnected method is characterized in that, comprise the steps:
(1) connect by management plane on legacy network, one or more being connected of described legacy network forms virtual link in the ASON, then the virtual link information of described configuration is issued in described ASON; Wherein, described virtual link information comprises the resource tag corresponding relation at described virtual link two ends;
(2) described ASON utilizes the virtual link information of described configuration to connect establishment or heavy-route.
2. method according to claim 1 is characterized in that step (1) comprises the steps:
(1.1) on legacy network, connect by management plane;
(1.2) one or more being connected of described legacy network forms virtual link in the ASON, and wherein, described virtual link information comprises the resource tag corresponding relation at described virtual link two ends;
(1.3) described virtual link information configuration is arrived described ASON;
(1.4) the described ASON node that disposes described virtual link is broadcasted described virtual link information in described ASON;
(1.5) all nodes in the described ASON all obtain the virtual link information of described configuration.
3. as method as described in the claim 2, it is characterized in that in the step (1.2), described virtual link information also comprises Linktype, protected mode, weight, capacity, shared risk link group.
4. as method as described in the claim 2, it is characterized in that, in the step (1.3), described virtual link information configuration comprised following dual mode to described ASON:
(1.31) management plane of described virtual link information by described legacy network disposed two ASON nodes to described virtual link two ends respectively;
(1.32) management plane of described virtual link information by described legacy network disposed to the described virtual link ASON node of an end wherein, the ASON node of the other end of described virtual link is known described virtual link information by protocol interaction from the described ASON node that has been configured.
5. method according to claim 1 is characterized in that step (2) comprises the steps:
(2.1) described ASON is chosen route, the virtual link of this route through being made of described legacy network resource;
(2.2) after the upstream ASON node of described virtual link receives and connects the request of foundation, select the resource tag of described virtual link at this node;
(2.3) the upstream ASON node of described virtual link sends to connect and sets up the downstream ASON node of asking virtual link;
(2.4) the downstream ASON node of described virtual link receives and connects the request of foundation, determines the resource tag of virtual link on the ASON node of downstream by the resource tag corresponding relation that the virtual link that carries in the request is searched described virtual link two ends at the resource tag of upstream node;
(2.5) the upstream ASON node of described virtual link and downstream ASON node are provided with the interconnection that transmits the plane according to virtual link at the resource tag of this node.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2007103012890A CN101184018B (en) | 2007-12-18 | 2007-12-18 | Automatic exchange optical network and traditional network interconnecting method |
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| CN2007103012890A CN101184018B (en) | 2007-12-18 | 2007-12-18 | Automatic exchange optical network and traditional network interconnecting method |
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| CN101184018A true CN101184018A (en) | 2008-05-21 |
| CN101184018B CN101184018B (en) | 2010-12-08 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102457422A (en) * | 2010-10-20 | 2012-05-16 | 中兴通讯股份有限公司 | Method and system for realizing cross-node aggregated link in packet switching network |
| CN104065578A (en) * | 2014-06-30 | 2014-09-24 | 中国人民解放军国防科学技术大学 | IP router processing method and device based on ASON optical network |
| CN105611435A (en) * | 2016-01-07 | 2016-05-25 | 烽火通信科技股份有限公司 | Calculating method of cross-photosphere electric straton wavelength route based on WSON (Wavelength Division Multiplexing) network |
| CN109428813A (en) * | 2017-08-28 | 2019-03-05 | 中国电信股份有限公司 | Heavy route method, device and storage medium |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1489784A1 (en) * | 2003-06-16 | 2004-12-22 | Alcatel | Restoration in an automatically switched optical transport network |
| CN100361449C (en) * | 2004-12-21 | 2008-01-09 | 华为技术有限公司 | Optical network management system and method for implementing services from end-to-end |
| CN100389578C (en) * | 2006-01-25 | 2008-05-21 | 华为技术有限公司 | Resource distributing method while traditional optical transfer net and intelligent optical network grouping |
-
2007
- 2007-12-18 CN CN2007103012890A patent/CN101184018B/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102457422A (en) * | 2010-10-20 | 2012-05-16 | 中兴通讯股份有限公司 | Method and system for realizing cross-node aggregated link in packet switching network |
| CN104065578A (en) * | 2014-06-30 | 2014-09-24 | 中国人民解放军国防科学技术大学 | IP router processing method and device based on ASON optical network |
| CN104065578B (en) * | 2014-06-30 | 2017-04-19 | 中国人民解放军国防科学技术大学 | IP router processing method and device based on ASON optical network |
| CN105611435A (en) * | 2016-01-07 | 2016-05-25 | 烽火通信科技股份有限公司 | Calculating method of cross-photosphere electric straton wavelength route based on WSON (Wavelength Division Multiplexing) network |
| CN109428813A (en) * | 2017-08-28 | 2019-03-05 | 中国电信股份有限公司 | Heavy route method, device and storage medium |
| CN109428813B (en) * | 2017-08-28 | 2021-07-13 | 中国电信股份有限公司 | Rerouting method, rerouting device and storage medium |
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| CN101184018B (en) | 2010-12-08 |
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