CN101176280A - Automatic discovering method for automatic exchange optical network controlling entity topological - Google Patents
Automatic discovering method for automatic exchange optical network controlling entity topological Download PDFInfo
- Publication number
- CN101176280A CN101176280A CNA2006800167145A CN200680016714A CN101176280A CN 101176280 A CN101176280 A CN 101176280A CN A2006800167145 A CNA2006800167145 A CN A2006800167145A CN 200680016714 A CN200680016714 A CN 200680016714A CN 101176280 A CN101176280 A CN 101176280A
- Authority
- CN
- China
- Prior art keywords
- controlled entity
- message
- ctrlentitydm
- local
- protocol
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 56
- 230000003287 optical effect Effects 0.000 title claims abstract description 19
- 238000012423 maintenance Methods 0.000 claims abstract description 14
- 238000006424 Flood reaction Methods 0.000 claims abstract 2
- 108091034117 Oligonucleotide Proteins 0.000 claims description 41
- 238000012795 verification Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 description 13
- 238000009792 diffusion process Methods 0.000 description 11
- 230000005540 biological transmission Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 7
- 230000001360 synchronised effect Effects 0.000 description 6
- 230000011664 signaling Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 239000013256 coordination polymer Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- RGNPBRKPHBKNKX-UHFFFAOYSA-N hexaflumuron Chemical compound C1=C(Cl)C(OC(F)(F)C(F)F)=C(Cl)C=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F RGNPBRKPHBKNKX-UHFFFAOYSA-N 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/12—Discovery or management of network topologies
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/34—Signalling channels for network management communication
- H04L41/344—Out-of-band transfers
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
A method for auto-discovering the control entity topology in the automatic switched optical network, firstly, adds the control entity object and CtrlEntityDM message used for the adjacent discovery and maintenance of the control entity into the LMP protocol set, the said message contains node object and control entity object of the LMP protocol; during the discovering of the adjacent relationship, each control entity informs the LMP protocol set of each corresponding PC that the CtrlEntityDM message should be constructed in IP packet form and be multicast; after each PC receives the CtrlEntityDM message, it informs the local control entity to update the topology resource information of the local controlling plane according to the adjacent control entity in the said message; if there is a control entity which can not receive the CtrlEntityAM message of the adjacent control entity in the preset time, then notifies the OSPF protocol set of the local PC that the said adjacent control entity was dead, the set updates the topology resource information of the local controlling plane and floods the control entity adjacent state in the network while the topology is changing.
Description
A kind of automatic discovering method of automatic exchange optical network controlling entity topology
Technical field
The present invention relates to field of optical networks, and in particular to controlled entity automatic discovering method in ASON.
Background technology
(Optical transmission network, optical transfer network is given by Guang Wang Network, such as OTN）, WDM (Wavelength-division multiplexing, wavelength-division multiplex), SDH (Synchronous digital hierarchy, Synchronous Digital Hierarchy）Or SONET (Synchronous optical network, Synchronous Optical Network）Transmission net, has been used widely in field of telecommunications.
It is automatic to exchange the study hotspot that light net is field of optical networks in recent years to (Automatic switched optical network, abbreviation ASON).ITU-TG.8080 advises proposing ASON concept, the special control plane by setting（Control plane, cylinder claims CP) complete ASON networks function.ITU-TG.7714 suggestion define ASON networks transmission entity find automatically realize framework, provide for the adjacency discovery that transmits entity and realize specification, but ASON related advisorys standard currently without provide controlled entity find automatically, the implementation method of controlled entity topology network maintenance.If ASON networks do not have suitable controlled entity automatic discovering method, all these work will be completed by manual intervention.In face of increasingly complicated network, controlled entity syntople is configured by manual intervention, the automation target of ASON networks, the probability on the other hand adding the complexity of work and artificially malfunctioning on the one hand has been run counter to.If ASON networks do not have the method that suitable controlled entity topology network is safeguarded, the function of ASON networks is realized and will be subject to many limitations. .
As shown in figure 1, the solid line of A, B, C, D, E, F, G and black represents to transmit the topology of entity composition, a, b, c, d, e, f, g and blue dotted line represent corresponding controlled entity, for example, path control deivce（Routing Controller, abbreviation RC), connection controller (Connection Controller, cylinder claims CC), call controller（Call Controller, abbreviation CallC) ..., wait the corresponding topology of controlled entity.It is assumed that controlled entity b corresponding with transmission entity Β occurs in that failure.It is now to transmit the connection from entity A to C and sets up request, if the topology to controlled entity is not found and safeguarded, controlled entity RC corresponding with transmission entity A is by the topology information according to transmission entity, according to road
By algorithm, such as the SPF (Constraint Shortest Route First, cylinder claims CSPF) based on constraint is attached router-level topology, result of calculation be A->B->C, but be due to that the corresponding controlled entity b of transmission entity B has occurred and that failure, b will be unable to complete to receive signaling, complete corresponding control function, therefore transmit physically A to C connection to complete.The content of the invention
The technical problem to be solved in the present invention is to propose a kind of discovery method of automatic exchange optical network controlling entity syntople.
In order to solve the above-mentioned technical problem, the invention provides a kind of discovery method of automatic exchange optical network controlling entity syntople, first the frame structure according to ASON is extended to the LMP Link Manager Protocol control assembly in general multi-scalar multiplication protocol controller, increase the node object and controlled entity object included in controlled entity object and the CtrlEntityDM message for controlled entity adjacency discovery, maintenance, CtrlEntityDM message in LMP Link Manager Protocol；The discovery method comprises the following steps：
(a) each controlled entity in network constructs CtrlEntityDM message by the LMP Link Manager Protocol control assembly in each self-corresponding protocol controller in the form of IP bags, and is sent in the way of multicast;
(b) each protocol controller receives CtrlEntityDM message, after verification passes through, local controlled entity is noticed, local controlled entity obtains the adjoining controlled entity object in message, local control plane topology resource information is updated, adjacency discovery is completed. ·
Further, above-mentioned discovery method can also have the characteristics that：It is periodically to carry out or timing progress that the multicast of the CtrlEntityDM message, which is sent,.
Further, above-mentioned discovery method can also have the characteristics that：The controlled entity object refers to the mark for identifying controlled entity identity information, the mark includes local controlled entity RC address, or during address of the mark not comprising local controlled entity RC, carry the address of controlled entity in addition in CtrlEntityDM message.
Another technical problem to be solved by the present invention is that proposing a kind of automatic discovering method of automatic exchange optical network controlling entity topology.
In order to solve the above-mentioned technical problem, opened up the invention provides a kind of automatic exchange optical network controlling entity
The automatic discovering method of Piao, first the LMP Link Manager Protocol control assembly in general multi-scalar multiplication protocol controller is extended according to the dynamic frame structures for exchanging Guang Wang Network of Zi, increase the node object and controlled entity object included in the controlled entity object for identifying controlled entity identity information and the CtrlEntityDM message for controlled entity adjacency discovery, maintenance, CtrlEntityDM message in LMP Link Manager Protocol；The automatic discovering method includes the discovery procedure of controlled entity syntople, and the process comprises the following steps：
(a) each controlled entity in network notifies the LMP Link Manager Protocol control assembly in each self-corresponding protocol controller to construct CtrlEntityDM message in the form of IP bags, and is sent in the way of multicast；
(b) each protocol controller receives CtrlEntityDM message, verification notices local controlled entity after passing through, local controlled entity obtains the adjoining controlled entity object in message, updates local control plane topology resource information, completes adjacency discovery.
Further, above-mentioned automatic discovering method can also have the characteristics that：When being extended to LMP Link Manager Protocol control assembly, also increase in the CtrlEntityAM message that adjacency state notice is carried out for controlled entity, message comprising the controlled entity object and its adjacent controlled entity object given out information；
After the completion of adjacency discovery, following controlled entity adjacency state maintenance process is also performed, the maintenance process comprises the following steps：
(c) if controlled entity does not receive the CtrlEntityAM message of a certain adjacent controlled entity within the time cycle of setting, then construction CtrlEntityAM message is sent to the ospf Routing Protocol control assembly in native protocol controller, notices the adjoining controlled entity dead;
(d) the ospf Routing Protocol component is received after CtrlEntityAM message, updates local control plane topology resource information.
Further, above-mentioned automatic discovering method can also have the characteristics that：Frame structure also according to ASON is extended to the ospf Routing Protocol control assembly in general multi-scalar multiplication protocol controller, increase the top-level types length value for the flooding of controlled entity adjacency state, the controlled entity object of issue flooding information and its controlled entity object of adjoining are comprised at least in the top-level types length value；Also, the step（And b)（D) in, if local control plane topology resource information changes, ospf Routing Protocol control assembly also in the form of top-level types length value
Controlled entity adjacency state is flooded in ASON；Protocol controller in network is received after the top-level types length value of flooding, updates respective local control plane topology resource information so that each controlled entity is by all of its neighbor state with similar controlled entity in control plane.
Further, above-mentioned automatic discovering method can also have the characteristics that：It is periodically to carry out either timing to carry out that the multicast of the CtrlEntityDM message, which is sent,.
Further, above-mentioned automatic discovering method can also have the characteristics that：The controlled entity object refers to the mark for identifying controlled entity identity information, the mark includes local controlled entity RC address, or during address of the mark not comprising local controlled entity RC, carry the address of controlled entity in addition in CtrlEntityDM message.Further, above-mentioned automatic discovering method can also have the characteristics that：Also different types of controlled entity is created under the top-level types length value in the opaque Link State Advertisement bag in different subtype length values, and the message sent comprising flooding process.
Further, above-mentioned automatic discovering method can also have the characteristics that：The step（D) in, update local control plane topology resource information when, be the state of the adjoining controlled entity in CtrlEntityAM message is set to it is unreachable.
From the point of view of above-mentioned technical step, frame structure of the inventive method according to ASON networks, GMPLS is extended, increase the discovery message of controlled entity in LMP and the adjacency discovery of controlled entity is completed by controlled entity multicast, then increase top TLV in OSPF-TE to complete the diffusion of controlled entity adjacency state, realize ASON network central control plane topology resource information bank synchronized updates, so as to solve the problem of human configuration controlled entity syntople is present and transmit the problem of connecting because controlled entity failure leads to not set up, possess succinct, reliable advantage.
Summary of drawings
Fig. 1 is that controlled entity failure causes router-level topology mistake schematic diagram in current ASON architectures.Fig. 2 is that ASON network controlling entities multicast finds information schematic diagram.
Fig. 3 is that ASON network controlling entity syntoples set up schematic diagram.
Fig. 4 and Fig. 5 are ASON network controlling entities flooding adjacency state information schematic diagrames.
Fig. 6 is that ASON network controlling entities topology finds schematic diagram.
Fig. 7 is that ASON networks routing module control structural diagrams of the present invention are intended to.
Fig. 8 and Fig. 9 are that ASON network controlling entity syntoples safeguard schematic diagram.The better embodiment of the present invention
General multi-scalar multiplication is mainly used in ASON networks at present（Generalized Multi-Protocol Label Switching, hereinafter referred to as GMPLS) LMP Link Manager Protocol in protocol controller（Link Management Protocol, hereinafter referred to as LMP) component complete transport plane Link Resource Manager（Layer adjacency discovery, the maintenance of layer syntople including transmitting entity etc.）.
In order to realize the diffusion of transport plane resource, ASON control planes mainly make use of the route of the ospf based on traffic engineering in GMPLS protocol controllers（Open Shortest Route First-Traffic Engineering, hereinafter referred to as OSPF-TE) protocol component.Traditional ospf route（Open Shortest Route First, hereinafter referred to as OSPF) protocol component is mainly and designed for IP network, OSPF 5 kinds of Link State Advertisement bags (Link State Advisement are described in RFC2328, following cylinder claims LSA), they are suitable for describing the topological structure of typical IP network.With the introducing of OSPF node species concepts, OSPF Routing Protocol components add LSA type.Increased 9,10 and 11 3 kind of new LSA type in RFC2370 (The OSPF Opaque LSA Option), it is referred to as Opaque (opaque） LSA.Such LSA includes a standard LSA head, followed by specific application message.The information can be by OSPF directly using also being handled by other application.In order to support traffic engineering, RFC3630 (Traffic Engineering (TE) Extensions to OSPF Version 2) has used Opaque LSA, and add 2 kinds of top-level types length values (Type-Leng-Value, following cylinder claims TLV)：Router Address and Link.Descriptions of the ASON more than can be seen that, LMP and OSPF-TE components in current GMPLS mainly are used for realizing the link management that entity is transmitted in control plane and the resource diffusion of transport plane by ASON, although OIF Optical Internetworking Forum (Optical Internetworking Forum, hereinafter referred to as OIF) in User Network Interface (UNI) 1.0 Signaling Specification of its promulgation, LMP is extended in Release 2, LMP is allowd to support the layer adjacency discovery of transport plane and the capabilities exchange of transmission entity, but still do not account for the automatic discovery of controlled entity and adjacency state in control plane
Diffusion.
The present invention core concept be：Frame structure according to ASON networks is extended to GMPLS enables the automatic discovery for meeting controlled entity topology network.LMP protocol integrated test system components are extended first, increased for controlled entity adjacency discovery, the message safeguarded（Following cylinder claims CtrlEntityDM), the message for the carry out adjacency state notice of controlled entity（Hereinafter referred to as CtrlEntityAM), and for identifying the object of controlled entity identity information（Hereinafter referred to as CtrlEntitylD).OSPF-TE protocol integrated test system components are extended simultaneously, increases a kind of top TLV (hereinafter referred to as CtrlEntityTLV) to complete the diffusion of controlled entity adjacency state, is finally completed the automatic discovery of controlled entity topology network.
The present invention is described in further detail with reference to the accompanying drawings and examples.
With reference to Fig. 2 and Fig. 3, the present embodiment controlled entity adjacency discovery method is illustrated by taking the controlled entity RC in ASON control planes as an example, other Type Control entities are the same.
In the ASON control planes shown in Fig. 2 and Fig. 3, path control deivce 1 (hereinafter referred to as RC-1) and protocol controller 1 (hereinafter referred to as PC-1) belong to control node 1, path control deivce 1 (hereinafter referred to as RC-2) and protocol controller 2 (following cylinder claims PC-2) belong to control node 2, and path control deivce 3 (hereinafter referred to as RC-3) and protocol controller 3 (hereinafter referred to as PC-3) belong to control node 3.
Specific implementation method comprises the following steps：
Bu Sudden mono-, the frame structure according to ASO networks are extended to the LMP protocol integrated test system components in GMPLS, increase for controlled entity adjacency discovery, the CtrlEntityDM message safeguarded, the object CtrlEntitylD for the CtrlEntityAM message of controlled entity progress adjacency state notice and for identifying controlled entity identity information;
Path control deivce RC-1, RC-2 and RC-3 shown in Bu Sudden bis-, Fig. 2 are by the LMP protocol integrated test systems component in respective PC with CtrlEntityDM message in constitution step one in the form of IP bags, and CtrlEntityDM message should comprise at least the node object in LMP agreements（Following cylinder claims NODE-ID) and extension controlled entity object CtrlEntitylD, carry following information：The mark of local control node, hereinafter referred to as LOCAL-CTRLNODE-ID;And local controlled entity RC is identified, hereinafter referred to as LOCAL-RC-ID, local controlled entity RC marks can be included（Or it is equivalent）Local controlled entity RC address, if do not included, adds RC address in addition；
Step 3: path control deivce RC-1, RC-2 and RC-3 shown in Fig. 2 passes through corresponding protocol controller PC LMP protocol integrated test system components, periodically the CtrlEntityDM ^ in the way of IP multicasts described in forwarding step two cease, the identity information of multicast oneself, is then transferred to next;
In another embodiment, CtrlEntityDM message can also regularly be sent, and may be stopped in some cases, for example, be reached some thresholding or obtain fault message, and just the blunt condition according to triggering the transmission of this message can be restarted after stopping certainly.
Bu Sudden tetra-, as shown in figure 3, (referring to RC-1 to PC-1 to PC-2 to RC-2 passage up to IP control passages by two-way between RC-1 and RC-2）, RC-1 can receive the CtrlEntityDM message from RC-2, and RC-2 can also receive the CtrlEntityDM message from RC -1；By the two-way reachable IP control passages between RC-2 and RC-3, RC-2 can receive the CtrlEntityDM message from RC3, and RC-3 can also receive the CtrlEntityDM message from RC-2.
Path control deivce RC-1, RC-2. and RC-3 is verified to the CtrlEntityDM message received, the address of adjacent path control deivce can be obtained from the CtrlEntityDM message received if correct, update local control plane topology resource information bank, complete adjacency discovery, when topology relationship changes, further the process of the adjacency state diffusion of triggering path control deivce, otherwise reports management plane to handle mistake.
After above-mentioned 4th step completes the adjacency discovery success of route test, path control deivce adjacency state maintenance process is can also pass into, with reference to Fig. 8 and Fig. 9, is illustrated by taking RC-1 as an example.Bu Sudden are as follows：
CtrlEntityDM message is sent Step 5: will continue to adjacent controlled entity RC-2 timings in the path control deivce RC-1 that above-mentioned 4th step completes adjacency discovery.The CtrlEntityDM message feelings from RC-2 are detected simultaneously；Brother.If within the setting cycle, not receiving the CtrlEntityDM message of RC-2 transmissions, being then transferred to next step.Otherwise Bu Sudden five are continued executing with；
Path control deivce RC-1 construction CtrlEntityAM message in the, Bu Sudden five of Bu Sudden six, the content of message comprises at least the RC-1 given out information CtrlEntitylD and adjacent path control deivce RC-2 CtrlEntitylD;
Step 7: the path control deivce RC-1 in step 6 sends CtrlEntityAM message to local
OSPF-TE protocol integrated test systems component notice RC-2 in PC-1 is dead, notifies it to update local control plane topology resource information bank, the RC-2 states in local control plane topology are changed to " unreachable "（The state can delete the RC after continuing for some time), and trigger controlled entity adjacency state diffusion process；Path control deivce RC-1 is sent to local PC-1 CtrlEntityAM message, due to being local message, and its form can be selected by manufacturer, and the present invention is not limited.
The step of RC-2, RC-3 adjacency state maintenance process and RC-1-sample.
With reference to Fig. 4 to Fig. 7, the present embodiment controlled entity adjacency state method of diffusion is illustrated by taking the controlled entity RC in ASON control planes as an example.In the ASON control planes shown in Fig. 4 and Fig. 7, path control deivce 1 (hereinafter referred to as RC- 1) and protocol controller 1 (following cylinder claims PC-1) belong to control node 1, path control deivce 2 (hereinafter referred to as RC-2) and protocol controller 2 (hereinafter referred to as PC-2) belong to control node 2, and path control deivce 3 (hereinafter referred to as RC-3) and protocol controller 3 (following cylinder claims PC-3) belong to control node 3.
The specific implementation step of adjacency state method of diffusion is as follows：
Step 1: the frame structure according to ASON networks is extended to the OSPF-TE protocol integrated test system components in GMPLS, increasing CtrlEntityTLV in Opaque LSA is used for the flooding of controlled entity adjacency state, the sub- TLV (following cylinder claims CtrlEntityRcTLV) of path control deivce is created under top TLV herein, CtrlEntityRcTLV contents comprise at least the CtrlEntitylD and the CtrffintitylD for the path control deivce being adjacent of the path control deivce of issue flooding information;
Step 2, as shown in Figure 4, path control deivce RC-1 is after confirming that its syntople changes, CtrlEntityAM message is sent to the OSPF-TE protocol integrated test system components in local PC-1, the content of message comprises at least the CtrlEntitylD and the CtrlEntitylD of the adjoining path control deivce changed of the RC-1 path control deivces given out information, notify it to update local control plane topology resource information bank and trigger the process of path control deivce adjacency state flooding, CtrlEntityTLV information is carried in Opaque LSA of the OSPF-TE protocol integrated test systems component in the message that flooding process is sent；
Similarly RC-2 is after confirming that its syntople changes, CtrlEntityAM message is sent to the OSPF-TE protocol integrated test system components in local PC-2, RC-3 is after confirming that its syntople changes, CtrlEntityAM message is sent to the OSPF-TE protocol integrated test system components in local PC-3, is led to
Know that respective PC updates each local control plane topology resource information bank and triggers the process of path control deivce adjacency state flooding.
As shown in Figure 4 and Figure 5, path control deivce RC-1, RC-2 and RC-3 adjacency state is spread in the form of CtrlEntityTLV (including CtrlEntityRcTLV) by the OSPF-TE protocol integrated test systems component in PC-1, PC-2 and PC-3 in ASON network-based control planes；
Step 3: as shown in Fig. 6 and Fig. 7, PC-1, PC-2 and PC-3 receive the CtrlEntityTLV of flooding, respective local control plane topology resource information bank is then updated, the automatic discovery of RC topology is completed.
Frame structure of the present invention according to ASON networks, GMPLS is extended, increase the discovery message of controlled entity in LMP and the adjacency discovery of controlled entity is completed by controlled entity multicast, then increase top TLV in OSPF-TE to complete the diffusion of controlled entity adjacency state, ASON network central control plane topology resource information bank synchronized updates are realized, are pinpointed the problems automatically so as to solve ASON Wang Network controlled entity topology.So, occur after the controlled entity failure shown in Fig. 1, it is possible to which the method found automatically by the topology of the present invention knows this case, it is possible to new connection route is found according to the topology of discovery.Industrial applicibility
The present invention in ASON networks, can complete the adjacency discovery, diffusion and maintenance of controlled entity.ASON Wang Network controlled entity topology is solved to pinpoint the problems automatically.
Claims (8)
- Claims1st, a kind of discovery method of automatic exchange optical network controlling entity syntople, first the LMP Link Manager Protocol control assembly in general multi-scalar multiplication protocol controller is extended according to the dynamic frame structures for exchanging Guang Wang Network of Zi, increase the node object and controlled entity object included in controlled entity object and the CtrlEntityDM message for controlled entity adjacency discovery, maintenance, CtrlEntityDM message in LMP Link Manager Protocol；Discovery method Bao includes Yi Xia Bu Sudden:(a) each controlled entity in network constructs CtrlEntityDM message by the LMP Link Manager Protocol control assembly in each self-corresponding protocol controller in the form of IP bags, and is sent in the way of multicast；(b) each protocol controller receives CtrlEntityDM message, verification notices local controlled entity after passing through, local controlled entity obtains the adjoining controlled entity object in message, updates local control plane topology resource information, completes adjacency discovery.2nd, method is found as claimed in claim 1, it is characterised in that it is periodically to carry out or timing progress that the multicast of the CtrlEntityDM message, which is sent,. '3rd, method is found as claimed in claim 1, it is characterized in that, the controlled entity object refers to the mark for identifying controlled entity identity information, the mark includes local controlled entity RC address, or during address of the mark not comprising local controlled entity RC, carry the address of controlled entity in addition in CtrlEntityDM message.4th, a kind of automatic discovering method of automatic exchange optical network controlling entity topology, first the frame structure according to ASON is extended to the LMP Link Manager Protocol control assembly in general multi-scalar multiplication protocol controller, increase the node object and controlled entity object included in the controlled entity object for identifying controlled entity identity information and the CtrlEntityDM message for controlled entity adjacency discovery, maintenance, CtrlEntityDM message in LMP Link Manager Protocol；The automatic discovering method includes the discovery procedure of controlled entity syntople, and the process comprises the following steps：(a) each controlled entity in network notifies the LMP Link Manager Protocol control assembly in each self-corresponding protocol controller to construct CtrlEntityDM message in the form of IP bags, and is sent in the way of multicast；(b) each protocol controller receives CtrlEntityDM message, verification notices local controlled entity after passing through, local controlled entity obtains the adjoining controlled entity object in message, updates local control plane topology resource information, completes adjacency discovery. 5th, automatic discovering method as claimed in claim 4, it is characterized in that, when being extended to LMP Link Manager Protocol control assembly, also increase in the CtrlEntityAM message that adjacency state notice is carried out for controlled entity, message comprising the controlled entity object and its adjacent controlled entity object given out information；After the completion of adjacency discovery, following controlled entity adjacency state maintenance process is also performed, the maintenance process comprises the following steps：(c) if controlled entity does not receive the CtrlEntityAM message of a certain adjacent controlled entity within the time cycle of setting, then construction CtrlEntityAM message is sent to the ospf route Xie view Kong Group parts in native protocol controller, notices the adjoining controlled entity dead；(d) the ospf Routing Protocol component is received after CtrlEntityAM message, updates local control plane topology resource information.6th, the automatic discovering method as described in claim 4 or 5, it is characterized in that, frame structure also according to ASON is extended to the ospf Routing Protocol control assembly in general multi-scalar multiplication protocol controller, increase the top-level types length value for the flooding of controlled entity adjacency state, the controlled entity object of issue flooding information and its controlled entity object of adjoining are comprised at least in the top-level types length value;Also, the step（B) and（D) in, if local control plane topology resource information changes, ospf Routing Protocol control assembly floods controlled entity adjacency state also in the form of top-level types length value in ASON；Protocol controller in network is received after the top-level types length value of flooding, updates respective local control plane topology resource information so that each controlled entity is by all of its neighbor state with similar controlled entity in control plane.7th, method is found as claimed in claim 4, it is characterised in that it is periodically to carry out either timing to carry out that the multicast of the CtrlEntityDM message, which is sent,.8th, method is found as claimed in claim 4, it is characterized in that, the controlled entity object refers to the mark for identifying controlled entity identity information, the mark includes local controlled entity RC address, or during address of the mark not comprising local controlled entity RC, carry the address of controlled entity in addition in CtrlEntityDM message.9th, method is found as claimed in claim 6, it is characterised in that the top-level types length value Under also create different subtype length values to different types of controlled entity, and in the opaque Link State Advertisement bag in the message sent comprising flooding process.10th, method is found as claimed in claim 5, it is characterised in that the step（D) in, update local control plane topology resource information when, be the state of the adjoining controlled entity in CtrlEntityAM message is set to it is unreachable.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2006/000653 WO2007115435A1 (en) | 2006-04-12 | 2006-04-12 | A method for auto-discovering the control entity topology in the automatic switched optical network |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101176280A true CN101176280A (en) | 2008-05-07 |
| CN101176280B CN101176280B (en) | 2012-06-13 |
Family
ID=38580680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006800167145A Expired - Fee Related CN101176280B (en) | 2006-04-12 | 2006-04-12 | Automatic discovering method for automatic exchange optical network controlling entity topology |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101176280B (en) |
| WO (1) | WO2007115435A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114244761A (en) * | 2021-12-08 | 2022-03-25 | 中盈优创资讯科技有限公司 | Automatic equipment discovery method and device based on IS-IS |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104869066A (en) * | 2014-02-21 | 2015-08-26 | 中兴通讯股份有限公司 | Dynamic connection updating method and device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2461685A1 (en) * | 2001-09-25 | 2003-04-03 | Rentech, Inc. | Integrated urea manufacturing plants and processes |
| CN1269320C (en) * | 2003-07-24 | 2006-08-09 | 烽火通信科技股份有限公司 | Organizing method for automaitic switching optical network node communication structure based on embedded communication channel technique |
| CN100525291C (en) * | 2003-11-28 | 2009-08-05 | 华为技术有限公司 | Link management method |
-
2006
- 2006-04-12 WO PCT/CN2006/000653 patent/WO2007115435A1/en active Application Filing
- 2006-04-12 CN CN2006800167145A patent/CN101176280B/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114244761A (en) * | 2021-12-08 | 2022-03-25 | 中盈优创资讯科技有限公司 | Automatic equipment discovery method and device based on IS-IS |
| CN114244761B (en) * | 2021-12-08 | 2023-10-31 | 中盈优创资讯科技有限公司 | IS-based equipment automatic discovery method and device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2007115435A1 (en) | 2007-10-18 |
| CN101176280B (en) | 2012-06-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7881183B2 (en) | Recovery from control plane failures in the LDP signalling protocol | |
| JP4833292B2 (en) | Ethernet GMPLS control | |
| EP1755240B1 (en) | Method for performing association in automatic switching optical network | |
| CN101176303A (en) | Service rearranging method and network node | |
| KR20120055674A (en) | Method for inheriting attribute of forwarding adjacency in multilayer network and corresponding multilayer network | |
| EP1302035A2 (en) | Joint ip/optical layer restoration after a router failure | |
| CN101860769B (en) | Method, device and system for fusing IP and light | |
| KR20120066234A (en) | Apparatus and method for managing multilevel link based on generalized multiprotocol label switching for cross layer network | |
| US8848712B2 (en) | Distributed RSVP-TE in a multi-chassis node architecture | |
| JP2009060673A (en) | Route calculation system, route calculation method, and communication node | |
| WO2012003740A1 (en) | Path computation method and path computation element in optical network | |
| CN1330141C (en) | Optical network route selecting method | |
| WO2017156710A1 (en) | Service path establishment method, node device, and system | |
| CN101176280A (en) | Automatic discovering method for automatic exchange optical network controlling entity topological | |
| Xu et al. | Generalized MPLS-based distributed control architecture for automatically switched transport networks | |
| Liu et al. | GMPLS-based control plane for optical networks: early implementation experience | |
| Spadaro et al. | The CARISMA ASON/GMPLS network: Overview and open issues | |
| EP3007393A1 (en) | Method and system for processing rsvp-te signaling | |
| Perelló et al. | Control Plane protection using Link Management Protocol (LMP) in the ASON/GMPLS CARISMA network | |
| Papadimitriou et al. | Application of the link management protocol to discovery and forwarding adjacencies | |
| Miyazawa et al. | Multi-layer network management system integrated with a network planning tool for IP/optical integrated network | |
| Perello et al. | Assessment of LMP-based recovery mechanisms for GMPLS control planes | |
| Xin et al. | On design and architecture of an IP over WDM optical network control plane | |
| Choi et al. | Standardization efforts in optical networking focused on architecture and signaling issues | |
| Das | Topology discovery and path provisioning in SONET rings using GMPLS |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171205 Address after: 15 No. 532200 the Guangxi Zhuang Autonomous Region Jiangzhou District of Chongzuo City Stone Forest Avenue Patentee after: Pan Rongqiong Address before: 510640 Guangdong City, Tianhe District Province, No. five, road, public education building, unit 371-1, unit 2401 Patentee before: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Effective date of registration: 20171205 Address after: 510640 Guangdong City, Tianhe District Province, No. five, road, public education building, unit 371-1, unit 2401 Patentee after: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Address before: 518057 Nanshan District science and Technology Industrial Park, Guangdong high tech Industrial Park, ZTE building Patentee before: ZTE Corp. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181024 Address after: 510640 2414-2416 of the main building 371, five mountain road, Tianhe District, Guangzhou, Guangdong. Patentee after: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Address before: 532200 15, Shilin Avenue, Chongzuo, the Guangxi Zhuang Autonomous Region Patentee before: Pan Rongqiong |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181213 Address after: 221351 Industrial Park, Zhuang Town, Pizhou City, Xuzhou, Jiangsu Patentee after: XUZHOU POWER THAI STEEL STRUCTURE Co.,Ltd. Address before: 510640 2414-2416 of the main building 371, five mountain road, Tianhe District, Guangzhou, Guangdong. Patentee before: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120613 Termination date: 20180412 |