CN102316389B

CN102316389B - Wavelength conflict determination method and device for reconfiguration optical add/drop multiplexer system

Info

Publication number: CN102316389B
Application number: CN201010223500.3A
Authority: CN
Inventors: 董天龙
Original assignee: ZTE Corp
Current assignee: ZTE Corp
Priority date: 2010-07-09
Filing date: 2010-07-09
Publication date: 2014-08-20
Anticipated expiration: 2030-07-09
Also published as: CN102316389A; WO2012003735A1

Abstract

The invention relates to the technical field of optical communication, in particular to a wavelength conflict determination method and a wavelength conflict determination device for a reconfiguration optical add/drop multiplexer system. The device at least comprises a wavelength detection unit, an information processing unit and an information storage unit, wherein the wavelength detection unit is used for obtaining wavelength information currently input into a reconfiguration optical add/drop multiplexer (ROADM) by wavelength scanning, and transmitting the wavelength information currently input into the ROADM to the information processing unit; and the information processing unit is used for querying the information storage unit to obtain wavelength information originally input into the ROADM, and comparing the wavelength information currently input into the ROADM with the wavelength information originally input into the ROADM to determine whether the wavelength information currently input into the ROADM conflicts with the wavelength information originally input into the ROADM. By the method and the device, the influence of a wavelength conflict on the transmission of a normal service can be effectively avoided.

Description

In restructural type add drop multiplex system, determine method and the device of Wavelength conflict

Technical field

The present invention relates to optical communication technique field, more particularly, the present invention relates to determine method and the device of Wavelength conflict in restructural type add drop multiplex system (Reconfiguration Optical Add/drop Multiplexer, ROADM).

Background technology

Along with the development of optical communication technique, ROADM is applied in optical fiber telecommunications system more and more widely, and more intelligent functions is provided, to can respond fast when network topology and service distribution change, realizes the flexible dispatching of business.

ROADM can realize in light territory take road up and down and the straight-through configuration that wavelength is passage unit, can without artificial on-the-spot allotment in the situation that, realize the connection between any two points, its flexibility can fully meet the demand of data service, by providing the re-configurability of node to make the reconstruct easily of DWDM network, without manual operation, greatly promote operating efficiency and the reaction speed to client's new demand, effectively reduced operation and maintenance cost simultaneously.

The realization of ROADM at present, structure, be mainly divided three classes: planar lightwave circuit (Planar Lightwave Circuits, PLC), wavelength blocker (Wavelength Blocker, WB), wavelength-selective switches (Wavelength Selective Switch, WSS).Wherein, the ROADM development in recent years based on WSS technology is rapid.WSS is based on micro electronmechanical (Micro-Electro-Mechanical Systems, MEMS) optical table, has bandwidth, dispersion is low and supports the feature of 10/40Gbit/s light signal simultaneously.Adopt free space optical switching technology, upper and lower road wave number is few, but can support higher dimension, and the ROADM based on WSS technology becomes the one preferred technique of the above ROADM of 4 dimension gradually.

At present, the ROADM specific implementation based on WSS technology also has a variety of, a kind of common ROADM based on WSS technology, and it mainly configures as shown in Figure 1.Although ROADM be take its flexible powerful wavelength reconfigurable function as intelligent network provides solution, has adapted to the Intelligent Developing Trends of DWDM network.But ROADM exists intrinsic defect, may produce Wavelength conflict.As can be seen from Figure 1,, in ROADM, if will realize completely, Wavelength dispatching flexibly, in wavelength input, generally need to adopt the optical multiplexer (Optical Multiplex Unit, OMU) of coupling type (coupler).The benefit of doing is like this, when the wavelength of tuned light retransmission unit (Optical Transport Unit, OTU) carrys out reconstruct route, needn't change actual optical fiber and connect.But also brought a defect to be, in existing ROADM, owing to can not determine which event or operation can cause Wavelength conflict, so inevitably produce Wavelength conflict simultaneously.For example, prior art be can not determine and in a plurality of OTU that set out on a journey, had two OTU that wavelength is identical, therefore, just inevitably produces Wavelength conflict in ROADM.

Summary of the invention

Main purpose of the present invention is to provide the method for determining Wavelength conflict in restructural type add drop multiplex system, also propose to determine the device of Wavelength conflict in restructural type add drop multiplex system, it can be realized and in ROADM, orient rapidly event or the operation that causes Wavelength conflict, has effectively avoided the impact on transmission regular traffic.

The present invention proposes a kind of method of determining Wavelength conflict in restructural type add drop multiplex system ROADM, comprising:

Wavelength detecting unit, by length scanning, obtains the wavelength information of current input ROADM, and the wavelength information of described current input ROADM is sent to information process unit;

Information process unit Query Information memory cell obtains the wavelength information of original input ROADM, then the wavelength information of the wavelength information of described current input ROADM and described original input ROADM is compared, determine whether the wavelength information of current input ROADM conflicts with the wavelength information of original input ROADM.

Preferably, described information process unit Query Information memory cell obtains the wavelength information of original input ROADM, then the wavelength information of described current input ROADM and the wavelength information of described original input ROADM are compared, determine that the step whether wavelength information of current input ROADM conflicts with the wavelength information of original ROADM of input is specially:

Information process unit Query Information memory cell obtains the wavelength information of original input ROADM, determine in the wavelength information of described original input ROADM and have described OTU by the wavelength information before tuning, then the wavelength information of the wavelength information of described current input ROADM and described original input ROADM is compared, judge in the wavelength information of described current input ROADM and there is no described OTU by the wavelength information before tuning, but there is described OTU by the wavelength information after tuning, further judge in the wavelength information of described original input ROADM and have with OTU by the identical wavelength of the wavelength after tuning, further judge described OTU by the optical power value of the wavelength information after tuning be greater than described with OTU by the corresponding optical power value of the identical wavelength of the wavelength after tuning, and both differences are not less than default optical power value, then determine and input ROADM's and existed and conflict with the wavelength of original input ROADM by tuning wavelength.

Information process unit Query Information memory cell obtains the wavelength information of original input ROADM, then the wavelength information of the wavelength information of described current input ROADM and described original input ROADM is compared, judge in the wavelength information of described current input ROADM and do not increase new wavelength information, and the optical power value of further judging the wavelength information of an original OTU in the wavelength information of described current input ROADM is greater than the optical power value of the wavelength information of an original OTU described in the wavelength information of described original input ROADM, and both differences are not less than default optical power value, then the wavelength of new OTU and the wavelength existence of original input ROADM of determining input ROADM conflict.

Information process unit Query Information memory cell obtains the wavelength information of original input ROADM, then the wavelength information of the wavelength information of described current input ROADM and described original input ROADM is compared, judge the wavelength information that had both reduced original at least one OTU in the wavelength information of described current input ROADM and also do not increase new wavelength information, and the optical power value of further judging the wavelength information of original at least one OTU in the wavelength information of described current input ROADM is greater than the optical power value of the wavelength information of original at least one OTU described in the wavelength information of described original input ROADM, and both differences are not less than default optical power value, then determine in a plurality of wavelength of inputting ROADM and have at least a wavelength that drift has occurred, and the wavelength of the wavelength of generation drift and original input ROADM exists and conflicts.

Preferably, described method also comprises:

Webmaster processing unit, after receiving the wavelength tuning success message being returned by tuning optical convering unit OTU, is sent to information process unit by wavelength information and OTU before tuning by the wavelength information after tuning by OTU; Information process unit sends length scanning order to wavelength detecting unit, and the wavelength of exporting after coupling processing for a plurality of wavelength scans.

Preferably, before webmaster processing unit is received described wavelength tuning success message, the method also comprises:

Webmaster processing unit sends the querying command that has carried object tuning wavelength information to information process unit;

Information process unit does not have to preserve the wavelength identical with object tuning wavelength according to described querying command Query Information memory cell;

Webmaster processing unit sends wavelength tuning order according to Query Result to the OTU relevant to described object tuning wavelength information;

The OTU relevant to described object tuning wavelength information according to described tuning wavelength order by original wavelength tuning to object wavelength, then to webmaster processing unit, return to wavelength and be tuned to merit message.

Webmaster processing unit sends wavelength tuning order to the tuning OTU of needs;

The tuning OTU of described needs according to described tuning wavelength order by original wavelength tuning to object wavelength, then to webmaster processing unit, return to wavelength and be tuned to merit message.

Preferably, after definite wavelength exists conflict, the method also comprises:

Information process unit sends ROADM to alarm display unit and has the alarm display command of Wavelength conflict, and exists the information of Wavelength conflict to send to webmaster processing unit ROADM;

Alarm display unit, according to alarm display command, shows wavelength collision alert in ROADM.

Preferably, the method also comprises:

Information process unit sends blocking-up order to the corresponding blocking unit of port of described ROADM, and the information that the port of described ROADM is blocked is sent to webmaster processing unit;

Described blocking unit, under the state enabling, is blocked the port of described ROADM according to described blocking-up order.

Preferably, the method also comprises: information process unit is judged in the wavelength information of described current input ROADM does not have described OTU by the wavelength information before tuning, but there is described OTU by the wavelength information after tuning, further judge in the wavelength information of described original input ROADM not with OTU by the identical wavelength of the wavelength after tuning, then determine input ROADM's and do not existed and conflict with the wavelength of original ROADM of input by tuning wavelength.

Preferably, described method also comprises:

Power detecting unit detects the port of access ROADM of its correspondence from the unglazed light that changed to, and determines new optical convering unit OTU access ROADM, and port numbers corresponding to new OTU sent to information process unit; Information process unit, according to described port numbers, sends length scanning order to wavelength detecting unit, and the wavelength of exporting after coupling processing for a plurality of wavelength scans.

Preferably, the method also comprises: information process unit is judged in the wavelength information of described current input ROADM has increased new wavelength information, then determines that the wavelength of the new OTU of input ROADM does not exist and conflicts with the wavelength of original ROADM of input.

Preferably, the method also comprises:

It is unglazed from there being light to change to that power detecting unit detects the port of access ROADM of its correspondence, determines that original OTU removes ROADM, and the port numbers that original OTU removes ROADM is sent to information process unit;

Information process unit, according to described port numbers, sends information updating order to information memory cell;

Information memory cell, according to described information updating order, is removed the wavelength information that described original OTU removes the port numbers of ROADM and original OTU of input ROADM.

Preferably, the method also comprises: original OTU removes the corresponding blocking unit of port of ROADM under the state that enables and be blocked, information process unit sends and removes blocking-up order to described blocking unit, and the information that the port that original OTU removes ROADM is disengaged blocking-up is sent to webmaster processing unit; Described blocking unit removes according to described releasing blocking-up order the blocking state that original OTU removes the port of ROADM.

Preferably, the method also comprises: information process unit is judged in the wavelength information of described current input ROADM and reduced the wavelength information of original at least one OTU and increased new wavelength information, then determine in a plurality of wavelength of inputting ROADM and have at least a wavelength that drift has occurred, and the wavelength that occurs to drift about does not exist and conflicts with the wavelength of original input ROADM.

The present invention also proposes a kind of device of determining Wavelength conflict in restructural type add drop multiplex system ROADM, and this device at least comprises: wavelength detecting unit, information process unit and information memory cell;

Described wavelength detecting unit, for by length scanning, obtains the wavelength information of current input ROADM, and the wavelength information of described current input ROADM is sent to information process unit;

Described information process unit, for Query Information memory cell, obtain the wavelength information of original input ROADM, then the wavelength information of the wavelength information of described current input ROADM and described original input ROADM is compared, determine whether the wavelength information of current input ROADM conflicts with the wavelength information of original input ROADM.

Preferably, described device also comprises:

Webmaster processing unit, for after receiving the wavelength tuning success message being returned by tuning optical convering unit OTU, is sent to information process unit by wavelength information and OTU before tuning by the wavelength information after tuning by OTU; Information process unit sends length scanning order to wavelength detecting unit, and the wavelength of exporting after coupling processing for a plurality of wavelength scans;

Power detecting unit,, determines new optical convering unit OTU access ROADM, and port numbers corresponding to new OTU is sent to information process unit from the unglazed light that changed to for detection of the port of the access ROADM to its correspondence; Information process unit, according to described port numbers, sends length scanning order to wavelength detecting unit, and the wavelength of exporting after coupling processing for a plurality of wavelength scans.

Preferably, described information process unit also specifically for:

Query Information memory cell obtains the wavelength information of original input ROADM, determine in the wavelength information of described original input ROADM and have described OTU by the wavelength information before tuning, then the wavelength information of the wavelength information of described current input ROADM and described original input ROADM is compared, judge in the wavelength information of described current input ROADM and there is no described OTU by the wavelength information before tuning, but there is described OTU by the wavelength information after tuning, further judge in the wavelength information of described original input ROADM and have with OTU by the identical wavelength of the wavelength after tuning, further judge described OTU by the optical power value of the wavelength information after tuning be greater than described with OTU by the corresponding optical power value of the identical wavelength of the wavelength after tuning, and both differences are not less than default optical power value, then determine and input ROADM's and existed and conflict with the wavelength of original input ROADM by tuning wavelength,

Query Information memory cell obtains the wavelength information of original input ROADM, then the wavelength information of the wavelength information of described current input ROADM and described original input ROADM is compared, judge in the wavelength information of described current input ROADM and do not increase new wavelength information, and the optical power value of further judging the wavelength information of an original OTU in the wavelength information of described current input ROADM is greater than the optical power value of the wavelength information of an original OTU described in the wavelength information of described original input ROADM, and both differences are not less than default optical power value, then the wavelength of new OTU and the wavelength existence of original input ROADM of determining input ROADM conflict,

Query Information memory cell obtains the wavelength information of original input ROADM, then the wavelength information of the wavelength information of described current input ROADM and described original input ROADM is compared, judge the wavelength information that had both reduced original at least one OTU in the wavelength information of described current input ROADM and also do not increase new wavelength information, and the optical power value of further judging the wavelength information of original at least one OTU in the wavelength information of described current input ROADM is greater than the optical power value of the wavelength information of original at least one OTU described in the wavelength information of described original input ROADM, and both differences are not less than default optical power value, then determine in a plurality of wavelength of inputting ROADM and have at least a wavelength that drift has occurred, and the wavelength of the wavelength of generation drift and original input ROADM exists and conflicts.

Preferably, described device also comprises:

Alarm display unit, there is the alarm display command of Wavelength conflict in the ROADM sending according to information process unit, shows wavelength collision alert in ROADM.

Preferably, described device also comprises:

Blocking unit, under the state enabling, the port of described ROADM is blocked in the blocking-up order sending according to described information process unit.

Preferably, the information updating order that described information memory cell sends according to described information process unit, removes the wavelength information that described original OTU removes the port numbers of ROADM and original OTU of input ROADM.

In the present invention, can realize and in ROADM, orient rapidly event or the operation that causes Wavelength conflict, also can realize before event occurs and judge whether in advance to exist Wavelength conflict; For the situation that has Wavelength conflict, can by alarm mode, indicate in time, and block the corresponding port of input wavelength that causes Wavelength conflict, effectively avoided the impact on transmission regular traffic.

Accompanying drawing explanation

Fig. 1 is the main configuration structure schematic diagram of the ROADM based on WSS technology of prior art;

Fig. 2 is that one embodiment of the invention is determined the steps flow chart schematic diagram of the method for Wavelength conflict in restructural type add drop multiplex system ROADM;

Fig. 3 A is the pre-handling process schematic diagram judging of the method for determining Wavelength conflict in ROADM of one embodiment of the invention;

Fig. 3 B is the handling process schematic diagram after the pre-judgement based on Fig. 3 A;

Fig. 3 C is wavelength information based on the current input of judging of Fig. 3 B ROADM and the whether identical handling process schematic diagram afterwards of wavelength information of original input ROADM;

Fig. 4 be the embodiment of the present invention input ROADM's and do not had with the wavelength of original input ROADM the wavelength information schematic diagram conflicting by tuning wavelength;

Fig. 5 be the embodiment of the present invention input ROADM's and had with the wavelength of original input ROADM the wavelength information schematic diagram conflicting by tuning wavelength;

Fig. 6 A is that the wavelength of determining the new OTU that inputs ROADM of the method for determining Wavelength conflict in ROADM of another embodiment of the present invention does not exist with the wavelength of original input ROADM the handling process schematic diagram conflicting;

Fig. 6 B is the handling process schematic diagram not increasing in the wavelength information of the current input of the judgement based on Fig. 6 A ROADM after new wavelength information;

Fig. 7 is that the wavelength of new OTU of the input ROADM of the embodiment of the present invention does not exist with the wavelength of original input ROADM the wavelength information schematic diagram conflicting;

Fig. 8 is that the wavelength of new OTU and the wavelength of original ROADM of input of the input ROADM of the embodiment of the present invention exists the wavelength information schematic diagram conflicting;

Fig. 9 A is that the wavelength that drift occurs of determining of the method for determining Wavelength conflict in ROADM of another embodiment of the present invention does not exist with the wavelength of original input ROADM the handling process schematic diagram conflicting;

Fig. 9 B had both reduced original wavelength information also not increase the handling process schematic diagram after new wavelength information in the wavelength information of the current input of the judgement based on Fig. 9 A ROADM;

Figure 10 is that the wavelength of the generation drift of the embodiment of the present invention does not exist with the wavelength of original input ROADM the wavelength information schematic diagram conflicting;

Figure 11 is that the wavelength of the generation drift of the embodiment of the present invention exists with the wavelength of original input ROADM the wavelength information schematic diagram conflicting;

Figure 12 is the configuration structure schematic diagram of the wavelength input at ROADM of the embodiment of the present invention.

In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.

Embodiment

Should be clear and definite, below described embodiment be only the present invention part, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making all other embodiment that obtain under creative work prerequisite, belong to the scope of protection of the invention.

In order to address the deficiencies of the prior art, the technical scheme of the embodiment of the present invention is for ROADM, in wavelength input, at least increase information process unit, wavelength detecting unit, information memory cell, power detecting unit, alarm display unit and blocking unit, this can realize and in ROADM, orient rapidly event or the operation that causes Wavelength conflict, also can realize before event occurs and judge whether in advance to exist Wavelength conflict; For the situation that has Wavelength conflict, can by alarm mode, indicate in time, and block the corresponding port of input wavelength that causes Wavelength conflict, effectively avoided the impact on transmission regular traffic.

With reference to Fig. 2, an a kind of embodiment who determines the method for Wavelength conflict in restructural type add drop multiplex system ROADM is proposed, comprising:

S10, wavelength detecting unit, by length scanning, obtain the wavelength information of current input ROADM, and the wavelength information of above-mentioned current input ROADM is sent to information process unit;

S11, information process unit Query Information memory cell obtain the wavelength information of original input ROADM, then the wavelength information of the wavelength information of above-mentioned current input ROADM and above-mentioned original input ROADM is compared, determine whether the wavelength information of current input ROADM conflicts with the wavelength information of original input ROADM.

The embodiment of the present invention provides a kind of method of determining Wavelength conflict in ROADM.The method of the present embodiment is mainly for the application scenarios of the tuning OTU of webmaster.The method of the present embodiment comprises:

S101: webmaster processing unit, after receiving the wavelength tuning success message being returned by tuning OTU, is sent to information process unit by wavelength information and OTU before tuning by the wavelength information after tuning by OTU.

S102: information process unit receive OTU by the wavelength information before tuning and OTU by the wavelength information after tuning after, to wavelength detecting unit, send length scanning order.

S103: wavelength detecting unit is according to length scanning order, and the wavelength of exporting after coupling processing for a plurality of wavelength scans, obtains the wavelength information of current input ROADM, and the wavelength information of current input ROADM is returned to information process unit.

S104: information process unit is after receiving the wavelength information of current input ROADM, Query Information memory cell obtains the wavelength information of original input ROADM, determine in the wavelength information of original input ROADM and have 0TU by the wavelength information before tuning, then the wavelength information of original input ROADM that the wavelength information of current input ROADM scanning being obtained and information memory cell are preserved compares, judge in the wavelength information of current input ROADM and there is no OTU by the wavelength information before tuning, but there is OTU by the wavelength information after tuning, further judge in the wavelength information of original input ROADM and have with OTU by the identical wavelength of the wavelength after tuning, further judge OTU by the optical power value of the wavelength information after tuning be greater than above-mentioned with OTU by the corresponding optical power value of the identical wavelength of the wavelength after tuning, and both differences are not less than default optical power value, then determine and input ROADM's and existed and conflict with the wavelength of original input ROADM by tuning wavelength.

Preferably, the method for the present embodiment can also comprise:

Information process unit is after receiving the wavelength information of current input ROADM, Query Information memory cell obtains the wavelength information of original input ROADM, determine in the wavelength information of original input ROADM and have OTU by the wavelength information before tuning, then the wavelength information of original input ROADM that the wavelength information of current input ROADM scanning being obtained and information memory cell are preserved compares, judge in the wavelength information of current input ROADM and there is no OTU by the wavelength information before tuning, but there is OTU by the wavelength information after tuning, further judge in the wavelength information of original input ROADM not with OTU by the identical wavelength of the wavelength after tuning, then determine and input ROADM's and do not existed and conflict with the wavelength of original input ROADM by tuning wavelength.

With reference to Fig. 3 A, Fig. 3 B and Fig. 3 C, another embodiment of the present invention provides a kind of method of determining Wavelength conflict in ROADM.The present embodiment is mainly for the application scenarios of the tuning OTU of webmaster.In the present embodiment, webmaster has obtained the connection configuration relation that needs tuning OTU access ROADM in advance, so before webmaster sends tune command to OTU, preferably needs to judge whether in advance to exist Wavelength conflict.First, referring to Fig. 3 A, the concrete grammar of the present embodiment comprises:

S201: webmaster processing unit sends the querying command that has carried object tuning wavelength information to information process unit.

S202: whether information process unit has preserved the wavelength identical with object tuning wavelength according to querying command Query Information memory cell, if so, carries out S203; If not, carry out S205.

S203: information process unit determines that object tuning wavelength exists and conflicts with the wavelength of original input ROADM, then exists ROADM the information of Wavelength conflict to return to webmaster processing unit.

S204: webmaster processing unit exists the information of Wavelength conflict according to ROADM, stops sending wavelength tuning order to the OTU relevant to object tuning wavelength information.

S205: information process unit determines that object tuning wavelength does not exist and conflicts with the wavelength of original input ROADM, and does not exist the information of conflict to return to webmaster processing unit the wavelength of ROADM.

S206: webmaster processing unit sends wavelength tuning order to the OTU relevant to object tuning wavelength information.

S207: the OTU relevant to object tuning wavelength information according to tuning wavelength order by original wavelength tuning to object wavelength, then to webmaster processing unit, return to wavelength and be tuned to merit message.

So far, webmaster has completed the processing of pre-judgement.But in actual applications, may occur that the connection configuration relation of the OTU access ROADM that webmaster obtains does not conform to the actual configuration relation that is connected, can cause pre-error in judgement like this.So, in the situation that determine that by pre-judgement object tuning wavelength does not exist and conflicts with the wavelength of original input ROADM, for the OTU by after tuning, need to determine whether its ROADM accessing exists Wavelength conflict equally.Referring to Fig. 3 B and Fig. 3 C, and be described in detail further combined with Fig. 4 and Fig. 5.Wherein, Fig. 4 be the embodiment of the present invention input ROADM's and do not had with the wavelength of original input ROADM the wavelength information schematic diagram conflicting by tuning wavelength, the input that Fig. 5 is the embodiment of the present invention be ROADM's and the wavelength information schematic diagram that conflicted with the wavelength existence of original input ROADM by tuning wavelength

S208: webmaster processing unit, after receiving wavelength tuning success message, is sent to information process unit by wavelength information (W1 as shown in Figure 4 and Figure 5) and OTU before tuning by the wavelength information after tuning (W2 as shown in Figure 4 and Figure 5) by OTU.

At this, it should be noted that, OTU is comprised that by the wavelength information W1 before tuning OTU is by wavelength value and optical power value before tuning, and OTU is comprised that by the wavelength information W2 after tuning OTU is by the wavelength value after tuning and optical power value.

S209: information process unit receive OTU by the wavelength information before tuning and OTU by the wavelength information after tuning after, to wavelength detecting unit, send length scanning order.

S210: wavelength detecting unit is according to length scanning order, and the wavelength of exporting after coupling processing for a plurality of wavelength scans, obtains the wavelength information of current input ROADM, and the wavelength information of current input ROADM is returned to information process unit.

At this, it should be noted that, the wavelength information of current input ROADM comprises wavelength value and the optical power value of each wavelength of current input ROADM.

S211: information process unit is after receiving the wavelength information of current input ROADM, Query Information memory cell obtains the wavelength information of original input ROADM, determine in the wavelength information of original input ROADM whether have OTU by the wavelength information before tuning, if so, carry out S213; If not, carry out S212.

At this, it should be noted that, the wavelength information of original input ROADM comprises wavelength value and the optical power value of each wavelength of original input ROADM.

S212: information process unit is definite is not accessed ROADM, termination by tuning OTU.

S213: the wavelength information of original input ROADM that the wavelength information of the current input ROADM that information process unit obtains scanning and information memory cell are preserved compares, and judges that whether both wavelength information are identical, if so, carries out S214; If not, carry out S215.

S214: information process unit is definite is not accessed ROADM by tuning OTU, or determines and accessed ROADM but tuning failure by tuning OTU, termination.

S215: information process unit is judged in the wavelength information of current input ROADM does not have OTU by the wavelength information (W1 as shown in Figure 4 and Figure 5) before tuning, but there is OTU by the wavelength information after tuning (W2 as shown in Figure 4 and Figure 5), then further judge in the wavelength information of original ROADM of input and whether have with OTU by the identical wavelength of the wavelength after tuning (W2 as shown in Figure 4 and Figure 5), if so, carry out S219; If not, carry out S216.

S216: information process unit is definite to be inputted ROADM's and is not had with the wavelength of original input ROADM conflict (referring to Fig. 4) by tuning wavelength.

Preferably, the method for the present embodiment can further include after S216:

S217: information process unit sends information updating order to information memory cell.

S218: information memory cell is according to information updating order, record by the port numbers of tuning OTU access ROADM and OTU by the wavelength information after tuning.

S219: information process unit further judge OTU by the optical power value of the wavelength information after tuning be greater than above-mentioned with OTU by the corresponding optical power value of the identical wavelength of the wavelength after tuning, and both differences are not less than default optical power value (W2 as shown in Figure 5), then determine and input ROADM's and had with the wavelength of original input ROADM conflict (referring to Fig. 5) by tuning wavelength.

At this, it should be noted that, user can set in advance an optical power value as required, if above-mentioned OTU is not less than by the difference of the identical corresponding optical power value of wavelength of the wavelength after tuning the optical power value setting in advance with OTU with above-mentioned by the optical power value of the wavelength information after tuning, information process unit is definite inputs ROADM's and is existed and conflict with the wavelength of original input ROADM by tuning wavelength.

Preferably, the method for the present embodiment can further include after S219:

S220: information process unit sends ROADM to alarm display unit and has the alarm display command of Wavelength conflict, and exists the information of Wavelength conflict to send to webmaster processing unit ROADM.

S221: alarm display unit, according to alarm display command, shows wavelength collision alert in ROADM.

Alarm display unit can for example, for example,, by the mode (: send out a warning) of alarm indicator or the mode of LCD indication (: show " 1 "), represent that current ROADM exists Wavelength conflict.Foregoing is only as concrete example, and the present invention does not impose any restrictions this.

Preferably, the present embodiment can further include after S221:

S222: information process unit sends blocking-up order to the corresponding blocking unit of port of the OTU access ROADM by tuning, and the information that the port of the OTU access ROADM by tuning is blocked is sent to webmaster processing unit.

S223: if blocking unit enables, blocking unit is accessed the port of ROADM according to blocking-up order blocking-up by tuning OTU; If blocking unit disable, blocking unit does not process.

The embodiment of the present invention also provides a kind of method of determining Wavelength conflict in ROADM, and the method for the present embodiment is mainly for the application scenarios of the tuning OTU of webmaster.In the present embodiment, webmaster does not obtain the connection configuration relation that needs tuning OTU access ROADM in advance, so webmaster cannot judge whether to exist Wavelength conflict in advance.The concrete grammar of the present embodiment comprises:

S301: webmaster processing unit sends wavelength tuning order to the tuning OTU of needs.

S302: need tuning OTU according to tuning wavelength order by original wavelength tuning to object wavelength, then to webmaster processing unit, return to wavelength and be tuned to merit message.

S303-S318 is identical with aforesaid S208-S223, repeats no more herein.

The embodiment of the present invention also provides a kind of method of determining Wavelength conflict in ROADM.The method of the present embodiment is mainly for the application scenarios of new OTU access ROADM.The method of the present embodiment comprises:

S401: power detecting unit detects the port of access ROADM of its correspondence from the unglazed light that changed to, determines new OTU access ROADM, and port numbers corresponding to new OTU is sent to information process unit.

S402: information process unit, according to port numbers, sends length scanning order to wavelength detecting unit.

S403: wavelength detecting unit is according to length scanning order, and the wavelength of exporting after coupling processing for a plurality of wavelength scans, obtains the wavelength information of current input ROADM, and the wavelength information of current input ROADM is returned to information process unit.

S404: information process unit is after receiving the wavelength information of current input ROADM, Query Information memory cell obtains the wavelength information of original input ROADM, then the wavelength information of original input ROADM that the wavelength information of current input ROADM scanning being obtained and information memory cell are preserved compares, judge in the wavelength information of current input ROADM and do not increase new wavelength information, the optical power value of further judging the wavelength information of an OTU in the wavelength information of current input ROADM is greater than the optical power value of the wavelength information of an above-mentioned OTU in the wavelength information of original input ROADM, and both differences are not less than default optical power value, then the wavelength of new OTU and the wavelength existence of original input ROADM of determining input ROADM conflict.

Preferably, the method for the present embodiment can also comprise:

Information process unit is after receiving the wavelength information of current input ROADM, Query Information memory cell obtains the wavelength information of original input ROADM, then the wavelength information of original input ROADM that the wavelength information of current input ROADM scanning being obtained and information memory cell are preserved compares, judge in the wavelength information of current input ROADM and increased new wavelength information, then determine that the wavelength of the new OTU of input ROADM does not exist and conflicts with the wavelength of original ROADM of input.

With reference to Fig. 6 A and Fig. 6 B, another embodiment of the present invention provides a kind of method of determining Wavelength conflict in ROADM.The method of the present embodiment is mainly for the application scenarios of new OTU access ROADM.Referring to Fig. 6 A and Fig. 6 B, further combined with Fig. 7 and Fig. 8, be described in detail.Wherein, Fig. 7 is that the wavelength of new OTU of the input ROADM of the embodiment of the present invention does not exist with the wavelength of original input ROADM the wavelength information schematic diagram conflicting, the wavelength information schematic diagram that the wavelength of the new OTU of the input ROADM that Fig. 8 is the embodiment of the present invention conflicts with the wavelength existence of original input ROADM.The concrete grammar of the present embodiment comprises:

S501: power detecting unit detects the port of access ROADM of its correspondence from the unglazed light that changed to, determines new OTU access ROADM, and the port numbers of new OTU access ROADM is sent to information process unit.

S502: information process unit, according to port numbers, sends length scanning order to wavelength detecting unit.

S503: wavelength detecting unit is according to length scanning order, and the wavelength of exporting after coupling processing for a plurality of wavelength scans, obtains the wavelength information of current input ROADM, and the wavelength information of current input ROADM is returned to information process unit.

S504: information process unit is after receiving the wavelength information of current input ROADM, Query Information memory cell obtains the wavelength information of original input ROADM, then the wavelength information of original input ROADM that the wavelength information of current input ROADM scanning being obtained and information memory cell are preserved compares, judge in the wavelength information of current input ROADM and whether increased new wavelength information (the 6th ripple as shown in Figure 7 and Figure 8), if so, carry out S505; If not, carry out S508.

S505: information process unit determines that the wavelength of the new OTU of input ROADM does not exist with the wavelength of original input ROADM conflict (referring to Fig. 7).

Preferably, the method for the present embodiment can further include after S505:

S506: information process unit sends information updating order to information memory cell.

S507: information memory cell, according to information updating order, records the new port numbers of OTU access ROADM and the wavelength information of the new OTU of input ROADM.

At this, it should be noted that, the wavelength information of the new OTU of input ROADM comprises wavelength value and the optical power value of the new OTU that inputs ROADM.

S508: the optical power value that information process unit is further judged the wavelength information of an original OTU in the wavelength information of current input ROADM is greater than the optical power value of the wavelength information of an above-mentioned original OTU in the wavelength information of original input ROADM, whether the difference that then judges both is not less than default optical power value (the 4th ripple as shown in Figure 8), if so, carry out S509; If not, carry out S510.

S509: information process unit determines that the wavelength of the new OTU of input ROADM exists with the wavelength of original input ROADM conflict (referring to Fig. 8).

S510: termination.

At this, it should be noted that, user can set in advance an optical power value as required, if in the wavelength information of the optical power value of the wavelength information of an original OTU and above-mentioned original input ROADM, the difference of the optical power value of the wavelength information of an above-mentioned original OTU is not less than the optical power value setting in advance in the wavelength information of above-mentioned current input ROADM, the wavelength of the wavelength of the new OTU of the definite input of information process unit ROADM and original input ROADM exists and conflicts.

Preferably, the method for the present embodiment can further include after S509:

S511: information process unit sends ROADM to alarm display unit and has the alarm display command of Wavelength conflict, and exists the information of Wavelength conflict to send to webmaster processing unit ROADM.

S512: alarm display unit, according to alarm display command, shows wavelength collision alert in ROADM.

Preferably, the present embodiment can further include after S512:

S513: information process unit sends blocking-up order to the corresponding blocking unit of port of new OTU access ROADM, and the information that the port of new OTU access ROADM is blocked is sent to webmaster processing unit.

S514: if blocking unit enables, blocking unit is according to the port of the new OTU access ROADM of blocking-up order blocking-up; If blocking unit disable, blocking unit does not process.

Preferably, the present embodiment can also remove for original OTU the application scenarios of ROADM.The concrete grammar of the present embodiment also comprises:

S601: it is unglazed from there being light to change to that power detecting unit detects the port of access ROADM of its correspondence, determines that original OTU removes ROADM, and the port numbers that original OTU removes ROADM is sent to information process unit.

S602: information process unit, according to port numbers, sends information updating order to information memory cell.

S603: information memory cell, according to information updating order, is removed the wavelength information that original OTU removes the port numbers of ROADM and original OTU of input ROADM.

At this, it should be noted that, the wavelength information of original OTU of input ROADM comprises wavelength value and the optical power value of the original OTU that inputs ROADM.

Preferably, the present embodiment can further include after S603:

S604: corresponding blocking unit enables and is blocked if original OTU removes the port of ROADM, information process unit send to be removed blocking-up order to blocking unit, and the information that the port that original OTU removes ROADM is disengaged blocking-up is sent to webmaster processing unit; Blocking unit removes according to removing blocking-up order the blocking state that original OTU removes the port of ROADM.If original OTU removes the corresponding blocking unit disable of the port of ROADM and is not blocked, blocking unit does not process.

The embodiment of the present invention also provides a kind of method of determining Wavelength conflict in ROADM.Mainly for the wavelength of input ROADM, there is the application scenarios of drift in the method for the present embodiment.Drift occurs wavelength is to change due to wavelength value that the reasons such as OTU is aging cause, to this OMU of the prior art and webmaster, cannot know in advance, so also just can not judge whether the wavelength that drift occurs exists and conflict with the wavelength of original input ROADM.In embodiments of the present invention, can obtain by the mode of length scanning current input ROADM wavelength information, then the wavelength information of itself and original input ROADM is compared, thereby judge, the wavelength of drift occurs and the wavelength existence of original input ROADM conflicts.The method of the present embodiment comprises:

S701: the wavelength that wavelength detecting unit is exported after coupling processing for a plurality of wavelength scans, obtains the wavelength information of current input ROADM, and the wavelength information of current input ROADM is returned to information process unit.

S702: information process unit is after receiving the wavelength information of current input ROADM, Query Information memory cell obtains the wavelength information of original input ROADM, then the wavelength information of original input ROADM that the wavelength information of current input ROADM scanning being obtained and information memory cell are preserved compares, judge the wavelength information that had both reduced original at least one OTU in the wavelength information of current input ROADM and also do not increase new wavelength information, and the optical power value of further judging the wavelength information of original at least one OTU in the wavelength information of current input ROADM is greater than the optical power value of the wavelength information of above-mentioned original at least one OTU in the wavelength information of original input ROADM, and both differences are not less than default optical power value, then determine in a plurality of wavelength of inputting ROADM and have at least a wavelength that drift has occurred, and the wavelength of the wavelength of generation drift and original input ROADM exists and conflicts.

Preferably, the method for the present embodiment can also comprise:

Information process unit is after receiving the wavelength information of current input ROADM, Query Information memory cell obtains the wavelength information of original input ROADM, then the wavelength information of original input ROADM that the wavelength information of current input ROADM scanning being obtained and information memory cell are preserved compares, judge in the wavelength information of current input ROADM and reduced the wavelength information of original at least one OTU but increased new wavelength information, then determine in a plurality of wavelength of inputting ROADM and have at least a wavelength that drift has occurred, and the wavelength that drift occurs does not exist and conflicts with the wavelength of original input ROADM.

With reference to Fig. 9 A and Fig. 9 B, another embodiment of the present invention provides a kind of method of determining Wavelength conflict in ROADM.Mainly for the wavelength of input ROADM, there is the application scenarios of drift in the method for the present embodiment.Referring to Fig. 9 A and Fig. 9 B, further combined with Figure 10 and Figure 11, be described in detail.Wherein, Figure 10 is that the wavelength of the generation drift of the embodiment of the present invention does not exist with the wavelength of original input ROADM the wavelength information schematic diagram conflicting, and the wavelength of the generation drift that Figure 11 is the embodiment of the present invention exists with the wavelength of original input ROADM the wavelength information schematic diagram conflicting.The concrete grammar of the present embodiment comprises:

S801: the wavelength that wavelength detecting unit is exported after coupling processing for a plurality of wavelength scans, obtains the wavelength information of current input ROADM, and the wavelength information of current input ROADM is returned to information process unit.

Wavelength detecting unit can carry out automatic scan according to the time cycle setting in advance (for example,, every 10 minutes); The length scanning order that also can send according to information process unit scans.Foregoing is only as concrete example, and the present invention does not impose any restrictions this.

S802: information process unit is after receiving the wavelength information of current input ROADM, Query Information memory cell obtains the wavelength information of original input ROADM, then the wavelength information of original input ROADM that the wavelength information of current input ROADM scanning being obtained and information memory cell are preserved compares, judge the wavelength information (the 6th ripple as shown in FIG. 10 and 11) that whether has reduced original at least one OTU in the wavelength information of current input ROADM, if so, carry out S803; If not, carry out S804.

S803: information process unit further judges whether to have increased new wavelength information (the 8th ripple as shown in FIG. 10 and 11), if so, carries out S805; If not, carry out S806.

S804: termination.

S805: information process unit determines in a plurality of wavelength of inputting ROADM to have at least a wavelength that drift has occurred, and there is not with the wavelength of original input ROADM conflict (referring to Figure 10) in the wavelength that occurs to drift about.

Preferably, the method for the present embodiment can further include after S805:

S807: information process unit sends information updating order to information memory cell.

S808: information memory cell is according to information updating order, the wavelength information after record the port numbers of wavelength input ROADM of drift and wavelength occur drifts about.

At this, it should be noted that, the wavelength information after wavelength drifts about comprises wavelength value and the optical power value after wavelength drifts about.

S806: the optical power value that information process unit is further judged the wavelength information of the original at least one OTU in the wavelength information of current input ROADM be greater than above-mentioned original at least one OTU in the wavelength information of original input ROADM wavelength information optical power value, whether the difference that then judges both is not less than default optical power value (the 3rd ripple as shown in figure 11), if so, carry out S809; If not, carry out S810.

S809: information process unit determines in a plurality of wavelength of inputting ROADM to have at least a wavelength that drift has occurred, and there is conflict (referring to Figure 11) in the wavelength of the wavelength of generation drift and original input ROADM.

S810: termination.

At this, it should be noted that, user can set in advance an optical power value as required, if in the optical power value of the wavelength information of the original at least one OTU in the wavelength information of above-mentioned current input ROADM and above-mentioned original wavelength information of inputting ROADM the wavelength information of above-mentioned original at least one OTU the difference of optical power value be not less than the optical power value setting in advance, in a plurality of wavelength of the definite input of information process unit ROADM, have at least a wavelength that drift has occurred, and the wavelength existence of the wavelength of generation drift and original input ROADM conflict.

Preferably, the method for the present embodiment can further include after S809:

S811: information process unit sends ROADM to alarm display unit and has the alarm display command of Wavelength conflict, and exists the information of Wavelength conflict to send to webmaster processing unit ROADM.

S812: alarm display unit, according to alarm display command, shows wavelength collision alert in ROADM.

Preferably, the present embodiment can further include after S812:

S813: information process unit sends blocking-up order to the corresponding blocking unit of port that the wavelength input ROADM of drift occurs, and the information that the port that the wavelength input ROADM of drift occurs is blocked is sent to webmaster processing unit.

S814: if blocking unit enables, the port of the wavelength input ROADM of drift occurs according to blocking-up order blocking-up blocking unit; If blocking unit disable, blocking unit does not process.

With reference to Figure 12, a kind of device of determining Wavelength conflict in restructural type add drop multiplex system ROADM of another embodiment of the present invention is proposed, this device at least comprises: wavelength detecting unit 1002, information process unit 1001 and information memory cell 1003;

Described wavelength detecting unit 1002, for by length scanning, obtains the wavelength information of current input ROADM, and the wavelength information of described current input ROADM is sent to information process unit;

Described information process unit 1001, for Query Information memory cell 1003, obtain the wavelength information of original input ROADM, then the wavelength information of the wavelength information of described current input ROADM and described original input ROADM is compared, determine whether the wavelength information of current input ROADM conflicts with the wavelength information of original input ROADM.

Above-mentioned information process unit 1001, wavelength detecting unit 1002 and information memory cell 1003 have formed the device of determining Wavelength conflict in ROADM, preferably, this device also comprises power detecting unit 1004, alarm display unit 1005, blocking unit 1006 and closes ripple unit 1007.It should be noted that, in Figure 12, webmaster processing unit 1009 is functional units newly-increased on webmaster, for carrying out information interaction with information process unit 1001, with this, obtains the information that has Wavelength conflict in ROADM.

The above-mentioned device of stating also comprises: webmaster processing unit 1009, for after receiving the wavelength tuning success message being returned by tuning optical convering unit OTU, OTU is sent to information process unit 1004 by wavelength information and OTU before tuning by the wavelength information after tuning; Information process unit 1001 sends length scanning order to wavelength detecting unit 1002, and the wavelength of exporting after coupling processing for a plurality of wavelength scans; And/or,

Power detecting unit 1004,, determines new optical convering unit OTU access ROADM, and port numbers corresponding to new OTU is sent to information process unit 1001 from the unglazed light that changed to for detection of the port of the access ROADM to its correspondence; Information process unit 1001, according to described port numbers, sends length scanning order to wavelength detecting unit 1002, and the wavelength of exporting after coupling processing for a plurality of wavelength scans.

Above-mentioned information process unit 1001 also obtains the wavelength information of original input ROADM specifically for: Query Information memory cell 1003, determine in the wavelength information of described original input ROADM and have described OTU by the wavelength information before tuning, then the wavelength information of the wavelength information of described current input ROADM and described original input ROADM is compared, judge in the wavelength information of described current input ROADM and there is no described OTU by the wavelength information before tuning, but there is described OTU by the wavelength information after tuning, further judge in the wavelength information of described original input ROADM and have with OTU by the identical wavelength of the wavelength after tuning, further judge described OTU by the optical power value of the wavelength information after tuning be greater than described with OTU by the corresponding optical power value of the identical wavelength of the wavelength after tuning, and both differences are not less than default optical power value, then determine and input ROADM's and existed and conflict with the wavelength of original input ROADM by tuning wavelength,

Query Information memory cell 1003 obtains the wavelength information of original input ROADM, then the wavelength information of the wavelength information of described current input ROADM and described original input ROADM is compared, judge in the wavelength information of described current input ROADM and do not increase new wavelength information, and the optical power value of further judging the wavelength information of an original OTU in the wavelength information of described current input ROADM is greater than the optical power value of the wavelength information of an original OTU described in the wavelength information of described original input ROADM, and both differences are not less than default optical power value, then the wavelength of new OTU and the wavelength existence of original input ROADM of determining input ROADM conflict,

Query Information memory cell 1003 obtains the wavelength information of original input ROADM, then the wavelength information of the wavelength information of described current input ROADM and described original input ROADM is compared, judge the wavelength information that had both reduced original at least one OTU in the wavelength information of described current input ROADM and also do not increase new wavelength information, and the optical power value of further judging the wavelength information of original at least one OTU in the wavelength information of described current input ROADM is greater than the optical power value of the wavelength information of original at least one OTU described in the wavelength information of described original input ROADM, and both differences are not less than default optical power value, then determine in a plurality of wavelength of inputting ROADM and have at least a wavelength that drift has occurred, and the wavelength of the wavelength of generation drift and original input ROADM exists and conflicts.

Said apparatus also comprises: alarm display unit 1005, the ROADM sending according to information process unit 1001 exists the alarm display command of Wavelength conflict, shows wavelength collision alert in ROADM.

Said apparatus also comprises: blocking unit 1006, under the state enabling, the blocking-up order blocking-up sending according to described information process unit 1001 is described by the port of tuning OTU access ROADM.

The information updating order that above-mentioned information memory cell 1003 sends according to described information process unit 1001, removes the wavelength information that described original OTU removes the port numbers of ROADM and original OTU of input ROADM.

According to S101-S104 described above, S201-S223 and S301-S318, correspondingly, the configuration structure of the wavelength input at ROADM based on shown in Figure 12, the embodiment of the present invention provides a kind of device of determining Wavelength conflict in ROADM, and the device of the present embodiment is mainly for the application scenarios of the tuning OTU of webmaster.The device of the present embodiment at least comprises: information process unit 1001, wavelength detecting unit 1002 and information memory cell 1003; Wherein,

Information process unit 1001, for receive OTU that webmaster processing unit 1009 sent after receiving the wavelength tuning success message being returned by tuning OTU by the wavelength information tuning before and OTU by the wavelength information after tuning, then to the 1002 transmission length scanning orders of wavelength detecting unit;

Wavelength detecting unit 1002, be used for according to length scanning order, the wavelength of exporting after coupling processing for a plurality of wavelength scans, and obtains the wavelength information of current input ROADM, and the wavelength information of current input ROADM is returned to information process unit 1001;

Information memory cell 1003, for preserving the wavelength information of original input ROADM;

Information process unit 1001, also for after receiving the wavelength information of current input ROADM, Query Information memory cell 1003 obtains the wavelength information of original input ROADM, determine in the wavelength information of original input ROADM and have OTU by the wavelength information before tuning, then the wavelength information of the wavelength information of current input ROADM and original input ROADM is compared, judge in the wavelength information of current input ROADM and there is no OTU by the wavelength information before tuning, but there is OTU by the wavelength information after tuning, further judge in the wavelength information of original input ROADM and have with OTU by the identical wavelength of the wavelength after tuning, further judge OTU by the optical power value of the wavelength information after tuning be greater than above-mentioned with OTU by the corresponding optical power value of the identical wavelength of the wavelength after tuning, and both differences are not less than default optical power value, then determine and input ROADM's and existed and conflict with the wavelength of original input ROADM by tuning wavelength.

Preferably, information process unit 1001, also for after receiving the wavelength information of current input ROADM, Query Information memory cell 1003 obtains the wavelength information of original input ROADM, determine in the wavelength information of original input ROADM and have OTU by the wavelength information before tuning, then the wavelength information of the wavelength information of current input ROADM and original input ROADM is compared, judge in the wavelength information of current input ROADM and there is no OTU by the wavelength information before tuning, but there is OTU by the wavelength information after tuning, further judge in the wavelength information of original input ROADM not with OTU by the identical wavelength of the wavelength after tuning, then determine and input ROADM's and do not existed and conflict with the wavelength of original input ROADM by tuning wavelength.

Preferably, information process unit 1001, also for determine input ROADM's and by tuning wavelength and the wavelength of original input ROADM, do not existed and conflict after, to information memory cell 1003 transmission information updating orders; Information memory cell 1003, also for according to information updating order, record by the port numbers of tuning OTU access ROADM and OTU by the wavelength information after tuning.

Preferably, the device of the present embodiment also comprises alarm display unit 1005, particularly: information process unit 1001, also for sending ROADM to alarm display unit 1005, there is the alarm display command of Wavelength conflict, and exist the information of Wavelength conflict to send to webmaster processing unit 1009 ROADM; Alarm display unit 1005 for according to alarm display command, shows wavelength collision alert in ROADM.

Preferably, the device of the present embodiment also comprises blocking unit 1006, particularly: information process unit 1001, also the corresponding blocking unit 1006 of port for the OTU access ROADM to by tuning sends blocking-up order, and the information that the port of the OTU access ROADM by tuning is blocked is sent to webmaster processing unit 1009; Blocking unit 1006, under the state enabling, is accessed the port of ROADM according to blocking-up order blocking-up by tuning OTU.Blocking unit can consist of optical devices such as optical switch or adjustable attenuators, and this is only as concrete example, and the present invention does not impose any restrictions this.

Preferably, the device of the present embodiment also comprises and closes ripple unit 1007, can be 1xN coupler, for the wavelength of a plurality of input ROADM are carried out to coupling processing and export wavelength detecting unit 1002 to.

The contents such as the information interaction in said apparatus between each unit, implementation, due to the inventive method embodiment based on same design, particular content can, referring to the narration of S101-S104, S201-S223 and S301-S318 in the inventive method embodiment, repeat no more herein.

According to S401-S404 described above, S501-S514 and S601-S604, correspondingly, the configuration structure of the wavelength input at ROADM based on shown in Figure 12, the embodiment of the present invention also provides a kind of device of determining Wavelength conflict in ROADM, and the device of the present embodiment is mainly for the application scenarios of new OTU access ROADM.The device of the present embodiment at least comprises: information process unit 1001, wavelength detecting unit 1002, information memory cell 1003 and power detecting unit 1004; Wherein,

Power detecting unit 1004,, determines new OTU access ROADM, and port numbers corresponding to new OTU is sent to information process unit 1001 from the unglazed light that changed to for detection of the port of the access ROADM to its correspondence;

Information process unit 1001, for sending length scanning order according to port numbers to wavelength detecting unit 1002;

Information process unit 1001, also for after receiving the wavelength information of current input ROADM, Query Information memory cell 1003 obtains the wavelength information of original input ROADM, then the wavelength information of the wavelength information of current input ROADM and original input ROADM is compared, judge in the wavelength information of current input ROADM and do not increase new wavelength information, and the optical power value of further judging the wavelength information of an original OTU in the wavelength information of current input ROADM is greater than the optical power value of the wavelength information of an above-mentioned original OTU in the wavelength information of original input ROADM, and both differences are not less than default optical power value, then the wavelength of new OTU and the wavelength existence of original input ROADM of determining input ROADM conflict.

Preferably, information process unit 1001, also for after receiving the wavelength information of current input ROADM, Query Information memory cell 1003 obtains the wavelength information of original input ROADM, then the wavelength information of the wavelength information of current input ROADM and original input ROADM is compared, judge in the wavelength information of current input ROADM and increased new wavelength information, then determine that the wavelength of the new OTU of input ROADM does not exist and conflicts with the wavelength of original ROADM of input.

Preferably, information process unit 1001, also for after determining that the wavelength of new OTU of input ROADM and the wavelength of original input ROADM do not exist and conflict, to information memory cell 1003 transmission information updating orders; Information memory cell 1003, also, for according to information updating order, records the new port numbers of OTU access ROADM and the wavelength information of the new OTU of input ROADM.

Preferably, the device of the present embodiment also comprises blocking unit 1006, particularly: information process unit 1001, also the corresponding blocking unit 1006 of port for the OTU access ROADM to new sends blocking-up order, and the information that the port of new OTU access ROADM is blocked is sent to webmaster processing unit 1009; Blocking unit 1006, under the state enabling, according to the port of the new OTU access ROADM of blocking-up order blocking-up.Blocking unit can consist of optical devices such as optical switch or adjustable attenuators, and this is only as concrete example, and the present invention does not impose any restrictions this.

Preferably, the device of the present embodiment can also remove for original OTU the application scenarios of ROADM, particularly: power detecting unit 1004, also unglazed from there being light to change to for detection of the port of the access ROADM to its correspondence, determine that original OTU removes ROADM, and the port numbers that original OTU removes ROADM is sent to information process unit 1001; Information process unit 1001, also, for according to port numbers, sends information updating order to information memory cell; Information memory cell 1003, also, for according to information updating order, removes the wavelength information that original OTU removes the port numbers of ROADM and original OTU of input ROADM.

The contents such as the information interaction in said apparatus between each unit, implementation, due to the inventive method embodiment based on same design, particular content can, referring to the narration of S401-S404, S501-S514 and S601-S604 in the inventive method embodiment, repeat no more herein.

According to S701-S702 described above and S801S814, correspondingly, the configuration structure of the wavelength input at ROADM based on shown in Figure 12, the embodiment of the present invention also provides a kind of device of determining Wavelength conflict in ROADM, and the application scenarios of drift occurs mainly for the wavelength of input ROADM the device of the present embodiment.The device of the present embodiment at least comprises: information process unit 1001, wavelength detecting unit 1002 and information memory cell 1003; Wherein,

Wavelength detecting unit 1002, scans for the wavelength of exporting after coupling processing for a plurality of wavelength, obtains the wavelength information of current input ROADM, and the wavelength information of current input ROADM is returned to information process unit 1001;

Information process unit 1001, for after receiving the wavelength information of current input ROADM, Query Information memory cell 1003 obtains the wavelength information of original input ROADM, then the wavelength information of the wavelength information of current input ROADM and original input ROADM is compared, judge the wavelength information that had both reduced original at least one OTU in the wavelength information of current input ROADM and also do not increase new wavelength information, and the optical power value of further judging the wavelength information of original at least one OTU in the wavelength information of current input ROADM is greater than the optical power value of the wavelength information of above-mentioned original at least one OTU in the wavelength information of original input ROADM, and both differences are not less than default optical power value, then determine in a plurality of wavelength of inputting ROADM and have at least a wavelength that drift has occurred, and the wavelength of the wavelength of generation drift and original input ROADM exists and conflicts.

Preferably, information process unit 1001, also for after receiving the wavelength information of current input ROADM, Query Information memory cell 1003 obtains the wavelength information of original input ROADM, then the wavelength information of the wavelength information of current input ROADM and original input ROADM is compared, judge in the wavelength information of current input ROADM and reduced the wavelength information of original at least one OTU but increased new wavelength information, then determine in a plurality of wavelength of inputting ROADM and have at least a wavelength that drift has occurred, and the wavelength that drift occurs does not exist and conflicts with the wavelength of original input ROADM.

Preferably,, also for after determine there is the wavelength of drift and the wavelength of original input ROADM and not existing and conflict, to information memory cell 1003 transmission information updating orders in information process unit 1001; Information memory cell 1003, also for according to information updating order, the wavelength information after record the port numbers of wavelength input ROADM of drift and wavelength occur drifts about.

Preferably, the device of the present embodiment also comprises blocking unit 1006, particularly: information process unit 1001, also for the corresponding blocking unit 1006 of port to there is the wavelength input ROADM of drift, send blocking-up order, and the information that the port that the wavelength input ROADM of drift occurs is blocked is sent to webmaster processing unit 1009; , under the state enabling, according to blocking-up order blocking-up, there is the port of the wavelength input ROADM of drift in blocking unit 1006.Blocking unit 1006 can consist of optical devices such as optical switch or adjustable attenuators, and this is only as concrete example, and the present invention does not impose any restrictions this.

The contents such as the information interaction in the said equipment between each module, implementation, due to the inventive method embodiment based on same design, particular content can, referring to the narration of S701-S702 and S801-S814 in the inventive method embodiment, repeat no more herein.

Through the above description of the embodiments, those skilled in the art can be well understood to the mode that the present invention can add essential hardware platform by software and realize, can certainly all by hardware, implement, but in a lot of situation, the former is better execution mode.Understanding based on such, what technical scheme of the present invention contributed to background technology can embody with the form of software product in whole or in part, this computer software product can be stored in storage medium, as ROM/RAM, magnetic disc, CD etc., comprise that some instructions are with so that a computer equipment (can be personal computer, server, or the network equipment etc.) carry out the method for some part of each embodiment of the present invention or embodiment.

The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.

Claims

1. in restructural type add drop multiplex system ROADM, determine a method for Wavelength conflict, it is characterized in that, comprising:

Information process unit Query Information memory cell obtains the wavelength information of original input ROADM, then the wavelength information of the wavelength information of described current input ROADM and described original input ROADM is compared, determine whether the wavelength information of current input ROADM conflicts with the wavelength information of original input ROADM;

Described information process unit Query Information memory cell obtains the wavelength information of original input ROADM, then the wavelength information of described current input ROADM and the wavelength information of described original input ROADM are compared, determine that the step whether wavelength information of current input ROADM conflicts with the wavelength information of original ROADM of input is specially:

Information process unit Query Information memory cell obtains the wavelength information of original input ROADM, determine in the wavelength information of described original input ROADM and have OTU by the wavelength information before tuning, then the wavelength information of the wavelength information of described current input ROADM and described original input ROADM is compared, judge in the wavelength information of described current input ROADM and there is no described OTU by the wavelength information before tuning, but there is described OTU by the wavelength information after tuning, further judge in the wavelength information of described original input ROADM and have with OTU by the identical wavelength of the wavelength after tuning, further judge described OTU by the optical power value of the wavelength information after tuning be greater than described with OTU by the corresponding optical power value of the identical wavelength of the wavelength after tuning, and both differences are not less than default optical power value, then determine and input ROADM's and existed and conflict with the wavelength of original input ROADM by tuning wavelength.

2. method according to claim 1, it is characterized in that, described information process unit Query Information memory cell obtains the wavelength information of original input ROADM, then the wavelength information of described current input ROADM and the wavelength information of described original input ROADM are compared, determine that the step whether wavelength information of current input ROADM conflicts with the wavelength information of original ROADM of input is specially:

3. method according to claim 1, it is characterized in that, described information process unit Query Information memory cell obtains the wavelength information of original input ROADM, then the wavelength information of described current input ROADM and the wavelength information of described original input ROADM are compared, determine that the step whether wavelength information of current input ROADM conflicts with the wavelength information of original ROADM of input is specially:

4. method according to claim 1, is characterized in that, described method also comprises:

5. method according to claim 1, is characterized in that, before webmaster processing unit is received described wavelength tuning success message, the method also comprises:

6. method according to claim 1, is characterized in that, before webmaster processing unit is received described wavelength tuning success message, the method also comprises:

7. according to the method described in any one in claims 1 to 3, it is characterized in that, after definite wavelength exists conflict, the method also comprises:

8. method according to claim 7, is characterized in that, the method also comprises:

9. method according to claim 1, it is characterized in that, the method also comprises: information process unit is judged in the wavelength information of described current input ROADM does not have described OTU by the wavelength information before tuning, but there is described OTU by the wavelength information after tuning, further judge in the wavelength information of described original input ROADM not with OTU by the identical wavelength of the wavelength after tuning, then determine input ROADM's and do not existed and conflict with the wavelength of original ROADM of input by tuning wavelength.

10. method according to claim 2, is characterized in that, described method also comprises:

11. methods according to claim 2, it is characterized in that, the method also comprises: information process unit is judged in the wavelength information of described current input ROADM has increased new wavelength information, then determines that the wavelength of the new OTU of input ROADM does not exist and conflicts with the wavelength of original ROADM of input.

12. according to the method described in claim 2 or 10 or 11, it is characterized in that, the method also comprises:

13. methods according to claim 12, it is characterized in that, the method also comprises: original OTU removes the corresponding blocking unit of port of ROADM under the state that enables and be blocked, information process unit sends and removes blocking-up order to described blocking unit, and the information that the port that original OTU removes ROADM is disengaged blocking-up is sent to webmaster processing unit; Described blocking unit removes according to described releasing blocking-up order the blocking state that original OTU removes the port of ROADM.

14. methods according to claim 3, it is characterized in that, the method also comprises: information process unit is judged in the wavelength information of described current input ROADM and reduced the wavelength information of original at least one OTU and increased new wavelength information, then determine in a plurality of wavelength of inputting ROADM and have at least a wavelength that drift has occurred, and the wavelength that occurs to drift about does not exist and conflicts with the wavelength of original input ROADM.

15. 1 kinds of devices of determining Wavelength conflict in restructural type add drop multiplex system ROADM, is characterized in that, this device at least comprises: wavelength detecting unit, information process unit and information memory cell;

Described information process unit, for Query Information memory cell, obtain the wavelength information of original input ROADM, then the wavelength information of the wavelength information of described current input ROADM and described original input ROADM is compared, determine whether the wavelength information of current input ROADM conflicts with the wavelength information of original input ROADM;

Described information process unit also specifically for:

Query Information memory cell obtains the wavelength information of original input ROADM, determine in the wavelength information of described original input ROADM and have OTU by the wavelength information before tuning, then the wavelength information of the wavelength information of described current input ROADM and described original input ROADM is compared, judge in the wavelength information of described current input ROADM and there is no described OTU by the wavelength information before tuning, but there is described OTU by the wavelength information after tuning, further judge in the wavelength information of described original input ROADM and have with OTU by the identical wavelength of the wavelength after tuning, further judge described OTU by the optical power value of the wavelength information after tuning be greater than described with OTU by the corresponding optical power value of the identical wavelength of the wavelength after tuning, and both differences are not less than default optical power value, then determine and input ROADM's and existed and conflict with the wavelength of original input ROADM by tuning wavelength,

16. devices according to claim 15, is characterized in that, described device also comprises:

17. devices according to claim 15, is characterized in that, described device also comprises:

18. devices according to claim 15, is characterized in that, described device also comprises:

19. devices according to claim 15, is characterized in that, the wavelength information that described original OTU removes the port numbers of ROADM and original OTU of input ROADM is removed in the information updating order that described information memory cell sends according to described information process unit.