CN101515883B

CN101515883B - Resource allocation request, method and system of allocation, optical network terminal and optical line terminal

Info

Publication number: CN101515883B
Application number: CN2008100577776A
Authority: CN
Inventors: 陈略; 高海; 刘洋; 罗成
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2008-02-18
Filing date: 2008-02-18
Publication date: 2011-12-28
Anticipated expiration: 2028-02-18
Also published as: CN101515883A

Abstract

The embodiment of the invention provides a resource allocation request, a method and a system of allocation, an optical network terminal and an optical line terminal. In the method, the optical network terminal reports periodical information on performing inquiry of transmission unit queue use information to the optical line terminal; and the optical line terminal adjusts the period for sending request information on reporting an uplink dynamic bandwidth report to the optical network terminal, sends the request information on the uplink dynamic bandwidth report according to the adjusted period, and transmits dynamic bandwidth resources allocated to the optical network terminal according to a set mode. Through the resource allocation request, the resource allocation method, the resource allocation system, the optical network terminal and the optical line terminal, the accuracy for dynamic resources allocation in a passive optical network system is improved, the maintainability of the system is improved, and the abutting compatibility of the optical network terminal and the optical line terminal is increased.

Description

Resource allocation request and distribution method and system, optical-fiber network and optical line terminal

Technical field

The embodiment of the invention relates to communication technical field, relates in particular to a kind of resource allocation request method, resource allocation methods, Optical Network Terminal, optical line terminal and resource allocation system.

Background technology

Existing broadband access technology mainly comprises copper wire access technology (for example various DSL technology) and light access technology.The Access Network of being realized by the light access technology is called optical access network (optical access network; Hereinafter to be referred as: OAN), EPON (passive optical network wherein; Hereinafter to be referred as: be the light access technology that a kind of point-to-multipoint transmits PON), the PON system comprises optical line terminal (OpticalLine Terminal; Hereinafter to be referred as: OLT), light distributed network (Optical Distribute Network; Hereinafter to be referred as: ODN), Optical Network Terminal (Optical Network Termination; Hereinafter to be referred as: ONT) and multitenant unit (Multi dwelling Unit; Hereinafter to be referred as: MDU).Wherein, OLT connects one or more ODN for OAN provides network side interface (SNI); The ODN data that OLT is descending are transferred to each ONT along separate routes by light, and correspondingly, ODN gives OLT with the transmitting uplink data of ONT; Optical network unit (Optical Network Unit; Hereinafter to be referred as: ONU) for OAN provides user side interface (UNI), link to each other with ODN simultaneously,, then be referred to as ONT if ONU also provides User Port Function; MDU provides user side interface (UNI) for OAN, and user side interface mainly provides xDSL to insert, and links to each other with ODN simultaneously.

In the PON system, OLT is according to the uplink burst flow needs of ONT, and by dynamically being adjusted into the bandwidth resources that ONT distributes, the technology that improves PON system uplink bandwidth availability is Dynamic Bandwidth Allocation (Dynamically Bandwidth Assignment; Hereinafter to be referred as: DBA) technology.The DBA technology comprises SR-DBA and NSR-DBA two classes, and wherein SR-DBA is based on the DBA of status report, is specially ONT and reports its buffer status, and OLT redistributes bandwidth according to the report of ONT.The DBA module of OLT inside is used to collect the DBA report information, and promptly the ONT bandwidth demand is generally its queue length; OLT carries out correlation computations according to the DBA report information of collecting, at EPON (the GIGABIT-CAPABLE Passive Optical Network of gigabit; Hereinafter to be referred as: GPON) in the system, with result of calculation with up time slot allocation table (hereinafter to be referred as: form BWMap) is handed down to each ONT; Each ONT sends uplink burst data according to BWMap information in time slot separately, take upstream bandwidth.Therefore the accuracy of the DBA report information that reports of ONT plays an important role to whole SR-DBA mechanism.

Yet in the GPON system, each ONT collection transport (Transmission Container; Hereinafter to be referred as T-CONT) formation uses the frequency of information inconsistent, part ONT gathers T-CONT formation use information at each GPON frame, and another part ONT once gathers T-CONT formation use information every several GPON frames, for example the BL nest plate be per 4 frame collections once.But in the prior art, OLT does not store the information of relevant ONT to T-CONT formation use information gathering frequency, causes OLT that ONT is reported the disappearance of DBA ability information, so will cause the DBA assignment error of OLT.Fig. 1 is the existing DBA of GPON system schematic flow sheet, as shown in Figure 1, comprising:

Step 1, OLT sends request to ONT and reports DBRu;

Step 2, DBRu is calculated in ONT inquiry T-CONT formation;

Step 3, ONT reports DBRu;

Step 4, OLT calculates DBA;

Step 5, OLT is that ONT distributes bandwidth, and request ONT reports DBRu;

Step 6, ONT reports DBRu;

Step 7, OLT calculates DBA;

Step 8, OLT is that ONT distributes bandwidth, and request ONT reports DBRu;

Step 9, ONT reports DBRu;

Step 10, OLT calculates DBA;

Step 11, OLT is that ONT distributes bandwidth, and request ONT reports DBRu;

Step 12, ONT reports DBRu;

Step 13, OLT calculates DBA;

Step 14, OLT is that ONT distributes bandwidth, and request ONT reports DBRu;

Step 15, DBRu is calculated in ONT inquiry T-CONT formation;

Step 16, ONT reports DBRu.

Per 4 frames of ONT are gathered a T-CONT formation and are used information as can be known from above-mentioned flow process, and calculate up dynamic bandwidth report (Dynamic Bandwidth Report upstream; Hereinafter to be referred as: DBRu); And the every frame of OLT all asks ONT to report DBRu, and calculates the bandwidth resources that will distribute to this ONT according to the DBRu that ONT reports.Therefore OLT in 3 frame periods therein the bandwidth resources of these ONT that distribute to be unnecessary, the bandwidth resources that OLT distributed are 4 times of this ONT actual request bandwidth, bandwidth resources are not distributed according to the actual requirements, serious waste of resources.

At the defective that exists in the above-mentioned technology, existing settling mode is the difference that reports the DBA ability at ONT, according to polling cycle of ONT by manual configuration OLT, make it to be complementary with ONT.But there is following defective in this settling mode: manually the matching process complexity, efficient is low, system maintenance is complicated, operation cost is high.

Summary of the invention

The embodiment of the invention provides a kind of resource allocation request method, resource allocation methods, Optical Network Terminal, optical line terminal and resource allocation system, in order to Optical Network Terminal and manual matching process complexity of optical line terminal cycle, defectives such as efficient is low, system maintenance is complicated, operation cost height in the resource allocation of solution prior art, improve the accuracy of Dynamic Resource Allocation for Multimedia, improve system maintainability, increase the compatibility of docking of Optical Network Terminal and optical line terminal.

The embodiment of the invention provides a kind of resource allocation request method, comprising:

Optical Network Terminal ONT sends cycle information to optical line terminal OLT, described cycle information carries out the cycle information that transmitter formation T-CONT uses information inquiry for report ONT to OLT, according to described cycle information be set for OLT the transmission cycle that sends reporting uplink dynamic bandwidth report solicited message, make described transmission cycle and described cycle information mate mutually;

ONT receives the reporting uplink dynamic bandwidth report solicited message that OLT sends, and sends up dynamic bandwidth report information to OLT.

The embodiment of the invention provides a kind of resource allocation methods, comprising:

Optical line terminal OLT is carried out the cycle information that information inquiry is used in the transmitter formation according to the Optical Network Terminal ONT that receives, the transmission cycle that self sends reporting uplink dynamic bandwidth report solicited message is set, makes described transmission cycle and described cycle information mate mutually;

OLT sends described reporting uplink dynamic bandwidth report solicited message to ONT;

OLT obtains Dynamic Bandwidth Allocation information according to the up dynamic bandwidth report information that receives;

OLT issued and described Dynamic Bandwidth Allocation information corresponding bandwidth resource according to the described transmission cycle.

The embodiment of the invention provides a kind of Optical Network Terminal, comprising:

First receiver module is used to receive the reporting uplink dynamic bandwidth report solicited message that Optical Network Terminal ONT sends, and uses the up dynamic bandwidth report information of information acquisition according to the transmitter formation;

First sending module, be used for sending cycle information and described up dynamic bandwidth report information to optical line terminal OLT, described cycle information carries out the cycle information that transmitter formation T-CONT uses information inquiry for report ONT to OLT, according to described cycle information be set for OLT the transmission cycle that sends reporting uplink dynamic bandwidth report solicited message, make described transmission cycle and described cycle information mate mutually;

Wherein, described first receiver module comprises:

Receive submodule, be used to receive described reporting uplink dynamic bandwidth report solicited message;

The inquiry submodule is used to inquire about described transmitter formation and uses information, and uses information according to the described transmitter formation that inquires, and obtains described up dynamic bandwidth report information.

The embodiment of the invention provides a kind of optical line terminal, comprising:

Second receiver module is used for from Optical Network Terminal ONT receiving cycle information and up dynamic bandwidth report information, and described cycle information is that ONT is used for the cycle information that information is used in the formation of query transmission device;

Acquisition module is used for according to the described cycle information that receives, and the transmission cycle that sends reporting uplink dynamic bandwidth report solicited message is set, and makes this transmission cycle and described cycle information mate mutually; And, obtain Dynamic Bandwidth Allocation information according to the up dynamic bandwidth report information that receives;

Second sending module, be used for to ONT send described reporting uplink dynamic bandwidth report solicited message and with described Dynamic Bandwidth Allocation information corresponding bandwidth resource.

The embodiment of the invention provides a kind of resource allocation system, comprises Optical Network Terminal and optical line terminal, and described Optical Network Terminal comprises:

Wherein, described first receiver module comprises:

The inquiry submodule is used to inquire about described transmitter formation and uses information, and uses information according to the described transmitter formation that inquires, and obtains described up dynamic bandwidth report information;

Described optical line terminal comprises:

Resource allocation request method, resource allocation methods, Optical Network Terminal, optical line terminal and resource allocation system that the embodiment of the invention provides, optical line terminal uses information information cycle by the query transmission device formation of knowing Optical Network Terminal, the transmission reporting uplink dynamic bandwidth report solicited message cycle of optical line terminal is matched, matching process is simple, efficient is high, realized improving the accuracy of Dynamic Resource Allocation for Multimedia, improve system maintainability, increase the compatibility of docking of Optical Network Terminal and optical line terminal.

Description of drawings

Fig. 1 is the existing DBA of GPON system schematic flow sheet;

Fig. 2 is a resource allocation request method embodiment flow chart of the present invention;

Fig. 3 is a resource allocation methods embodiment flow chart of the present invention;

Fig. 4 distributes the signaling process schematic diagram of embodiment one for dynamically bandwidth resource in the GPON of the present invention system;

Fig. 5 distributes the signaling process schematic diagram of embodiment two for dynamically bandwidth resource in the GPON of the present invention system;

Fig. 6 is an ONT example structure schematic diagram of the present invention;

Fig. 7 is an OLT example structure schematic diagram of the present invention;

Fig. 8 is a resource allocation system example structure schematic diagram of the present invention.

Embodiment

Further specify the technical scheme of the embodiment of the invention below in conjunction with the drawings and specific embodiments.

Resource allocation request method embodiment

Fig. 2 is a resource allocation request method embodiment flow chart of the present invention, and as shown in Figure 2, this method comprises the steps:

Step 100, ONT sends to OLT and carries out the cycle information that information inquiry is used in the T-CONT formation;

Because in the GPON system, each ONT gathers the T-CONT formation and uses the frequency of information inconsistent, some is all to gather in each GPON frame period, because OLT sends reporting uplink dynamic bandwidth report solicited message to ONT in each GPON frame period, so it is consistent that the T-CONT formation of these ONT uses the polling cycle of information to report solicited message with the OLT transmission, can not produce the inaccurate problem of resource allocation; But the T-CONT formation of other ONT in the GPON system uses the polling cycle of information longer, and for example per 4 GPON frames are just inquired about and carried out once.The transmission of polling cycle and OLT in the present embodiment reports the inconsistent ONT of cycle of solicited message when reaching the standard grade, at first initiatively the DBRu ability that reports itself to OLT promptly this ONT carry out the cycle information that information inquiry is used in the T-CONT formation, inform that this ONT of OLT is after the query script that finishes T-CONT formation use information, to carry out next time query script again through how many GPON frames, OLT is after knowing this information, just can carry out corresponding setting and make the transmission cycle of reporting uplink dynamic bandwidth report solicited message of self mate mutually, avoid the waste of bandwidth resources with the polling cycle of the T-CONT formation use information of this ONT.

Step 101, ONT receives the reporting uplink dynamic bandwidth report solicited message that OLT sends according to described cycle information, sends the DBRu information that obtains according to T-CONT formation use information to OLT.

ONT is after OLT reports about the cycle information that itself carries out T-CONT formation use information inquiry, the described cycle information that OLT reports according to ONT, after reporting the cycle of DBRu solicited message correspondingly to be provided with to transmission, send to ONT and to report the DBRu solicited message; After ONT receives this request, at first inquire about the T-CONT formation and use information, know the use length of T-CONT formation, then according to the use length information of described T-CONT formation, algorithm according to GPON agreement regulation passes through non-uniform encoding, calculates DBRu information, and reports OLT.

In the above-described embodiment, ONT sends the cycle information that carries out T-CONT formation use information inquiry to OLT and can be based on ONT management control interface (ONT Management andControl Interface in the step 100; Hereinafter to be referred as: OMCI) agreement is used for access node interface Access Node Interface in the OMCI agreement by extension standards; Hereinafter to be referred as: ANI) Guan Li entity is (hereinafter to be referred as the ANI-G entity) attribute, identify ONT and carry out the ability that the T-CONT formation is used information inquiry and calculated DBRu, particularly, shown in chart 1, the ANI-G attributes of entities is expanded, increase ONT DAB Frequency " attribute information; be used to represent that ONT carries out the frequency that information inquiry is used in the T-CONT formation; maybe will increase by an attribute information and be used to represent that ONT carries out the cycle that information inquiry is used in the T-CONT formation; no matter be the attribute information that increases the attribute information of expression frequency or increase indication cycle, its effect is identical.When ONT reaches the standard grade, carry out " MibUpload " operation, report the ANI-G entity, OLT knows that by the extended attribute information in the ANI-G entity ONT carries out the cycle information that information inquiry is used in the T-CONT formation, and handles accordingly.

Table 1

ANI-G
	Managed?entity?id(2B)
SR?indication(1B)
	Total?T-CONT?number(2B)
GEM?block?length(2B)
	Piggyback?DBA?reporting(1B)
Whole?ONT?DBA?reporting(1?B)
	SF?threshold(1B)
SD?threshold(1B)
	ARC(1B)
ARC?interval(1B)
	Optical?signal?level(2B)
Lower?optical?threshold(2B)
	Upper?optical?threshold(2B)

ONT?response?time(2B)
	ONT?DBA?Frequency(1B)

In addition, ONT can also be entity of definition to the cycle information of OLT transmission carrying out T-CONT formation use information inquiry in the step 100, an attribute information in this entity of specialized application is represented the DBRu ability of ONT, specifically as shown in table 2, " ONT DAB Frequency " attribute is used to represent that ONT carries out the frequency that information inquiry is used in the T-CONT formation, when ONT reaches the standard grade, carry out " MibUpload " operation, report this entity.Be based on the OMCI agreement in the present embodiment and report entity information.ONT also can be based on other for example physical layer operations management maintenance (Physical LayerOAM; Hereinafter to be referred as: PLOAM) agreement sends its cycle information that carries out T-CONT formation use information inquiry when reaching the standard grade.

Table 2

ONT-Capability
	Managed?entity?id(2B)
......
	ONT?DBA?Frequency(1B)

Also can be in the above embodiments step 100 when ONT reaches the standard grade in addition, OLT active request ONT sends and carries out the cycle information that information inquiry is used in the T-CONT formation; Certainly also being not limited to and just carrying out as above step when ONT reaches the standard grade, also can be according to concrete actual conditions bandwidth resource allocation situation and carrying out in the suitable time for a change; Carry out cycle information that the T-CONT formation uses information inquiry and the transmission reporting uplink dynamic bandwidth of OLT in addition and report that identical ONT of cycle of solicited message is when reaching the standard grade, also can be according to as above step execution, OLT learn this ONT carry out cycle information that the T-CONT formation uses information inquiry and the transmission reporting uplink dynamic bandwidth of OLT report cycle of solicited message identical after, carry out the distribution of bandwidth resources according to existing allocated bandwidth principle, do not influence original allocation flow.

Resource allocation methods embodiment

Fig. 3 is a resource allocation methods embodiment flow chart of the present invention, and as shown in Figure 3, this method comprises the steps:

Step 200, OLT is provided with transmission and reports the DBRu RQ cycle according to the cycle information that information inquiry is used in the T-CONT formation that carries out that receives;

After ONT reaches the standard grade, initiatively report it to carry out the T-CONT formation and use the cycle information of information inquiry or OLT to send request, require ONT that it is carried out the T-CONT formation and use the cycle information of information inquiry to send over to ONT.OLT receives the described cycle information that ONT sends, and by the entity attribute message identification, OLT resolves the entity information that receives so as if described cycle information, obtains required relevant ONT and carries out the cycle information that information inquiry is used in the T-CONT formation; Then, report the DBRu RQ cycle according to above-mentioned cycle information setting for the transmission of this ONT, what make that OLT sends reports DBRu RQ cycle and ONT to carry out the T-CONT formation to use the cycle of information inquiry to be complementary, avoid the distribution of bandwidth resources to waste.

Step 201, OLT sends to ONT and reports the DBRu solicited message;

After OLT sets up transmission to this ONT and reports the DBRu RQ cycle, send to this ONT and to report the DBRu solicited message, information state is used in inquiry ONTT-CONT formation, and distributes corresponding bandwidth resource according to the operating position of formation for preparing it.

Step 202, OLT obtains Dynamic Bandwidth Allocation information according to the DBRu information that receives;

ONT receives that OLT sends report the DBRu solicited message after, carry out the inquiry that information is used in the T-CONT formation, and calculate DBRu information, and report OLT according to the use length information of described T-CONT formation; After OLT receives DBRu information, according to the DBRu information calculations should distribute to the bandwidth resources of ONT.

Step 203, OLT reports the DBRu RQ cycle according to transmission, issues and described Dynamic Bandwidth Allocation information corresponding bandwidth resource.

After OLT calculates and learns the bandwidth resources that distribute to this ONT, these bandwidth resources to be handed down to ONT according to setting means, when the mode of issuing comprises that arriving described transmission reports the DBRu RQ cycle, issue and described Dynamic Bandwidth Allocation information corresponding bandwidth resource, particularly, the cycle information that carries out T-CONT formation use information inquiry that OLT sends according to ONT, obtain OLT and send the DBRu RQ cycle information that reports, receiving the DBRu information of ONT transmission as OLT after, pass through several frame periods and arrived OLT once more after ONT sends the time that reports the DBRu request, the disposable ONT of being handed down to of the bandwidth resources of distributing to this ONT; The mode of issuing can also be to report the DBRu RQ cycle according to described transmission, to divide with described Dynamic Bandwidth Allocation information corresponding bandwidth resource, ready-portioned bandwidth resources are issued in batches, particularly, OLT is after receiving the DBRu information that ONT reports, calculate the bandwidth resources that to distribute to this ONT, and the bandwidth resources of this part are sent according to OLT report the DBRu RQ cycle to carry out batch processing, be about to the whole resource break into portions that will distribute, in arrival sends the time period that reports the DBRu request next time, in each frame period, issue the aliquot bandwidth resources, send when reporting the DBRu request to ONT once more when arriving OLT, these bandwidth resources of distributing to ONT all issue and finish.In OLT execution in step 203, promptly when ONT issues last aliquot bandwidth resources, also to issue once more and report the DBRu solicited message to ONT.

In the present embodiment, can be average mark to the division of bandwidth resources, also can be non-average mark; Can be all to give the branch bandwidth resources in each frame period down, also can be to issue the aliquot bandwidth resources in the cycle at partial frame; Even can be in a frame period, to issue aliquot bandwidth resources, also can be in a frame period, to issue many parts of bandwidth resources, specifically divide and the mode of issuing can be decided according to the actual requirements.

Below carry out a T-CONT formation with per 4 frames of ONT and use information inquiry to be example, elaborate the implementing procedure that dynamically bandwidth resource distributes in the GPON system.

Fig. 4 as shown in Figure 4, comprising for dynamically bandwidth resource in the GPON of the present invention system distributes the signaling process schematic diagram of embodiment one:

Step a1, ONT carry out " OMCI Mib Upload " operation;

Attribute information by ANI-G entity or custom entities sends the cycle that ONT carries out T-CONT formation use information inquiry, informs that promptly per 4 frames of this ONT of OLT carry out a T-CONT formation and use the information inquiry process;

Step b1, OLT is provided with transmission and reports the DBRu RQ cycle according to the cycle information that information inquiry is used in the T-CONT formation that carries out that receives;

OLT reports DBRu RQ cycle and ONT formation to use the cycle of information inquiry to mate transmission, and promptly per 4 frames of OLT send to ONT and once report the DBRu solicited message;

Step c1, OLT send to ONT and report the DBRu solicited message;

Steps d 1, information is used in ONT inquiry T-CONT formation, calculates DBRu;

Step e1, ONT sends DBRu information to OLT;

Step f1, OLT is according to DBRu information calculations DBA information;

Step g 1, OLT issues the bandwidth resources of distribution to ONT, and reports the DBRu solicited message to the ONT transmission simultaneously.

OLT issues the dynamically bandwidth resource of distributing to this ONT to ONT after waiting for 3 frame periods once.

Fig. 5 carries out a T-CONT formation with per 4 frames of ONT to use information inquiry to be example for dynamically bandwidth resource in the GPON of the present invention system distributes the signaling process schematic diagram of embodiment two equally, as shown in Figure 5, comprising:

Step a2, ONT carry out " OMCI Mib Upload " operation;

Step b2, OLT is provided with transmission and reports the DBRu RQ cycle according to the cycle information that information inquiry is used in the T-CONT formation that carries out that receives;

Step c2, OLT send to ONT and report the DBRu solicited message;

Steps d 2, information is used in ONT inquiry T-CONT formation, calculates DBRu;

Step e2, ONT sends DBRu information to OLT;

Step f2, OLT is according to DBRu information calculations DBA information;

Calculating the dynamically bandwidth resource that will distribute to this ONT is Q.

Step g 2, OLT issues the bandwidth resources of Q/4 to ONT;

Calculate the dynamically bandwidth resource that average every frame should issue, and in a frame period, issue to ONT;

Step h2, OLT issue the bandwidth resources of Q/4 to ONT;

Step I 2, OLT issues the bandwidth resources of Q/4 to ONT;

Step j2, OLT issues the bandwidth resources of Q/4 to ONT, and reports the DBRu solicited message to the ONT transmission simultaneously.

Divide the dynamically bandwidth resource that to distribute to ONT for four times all to be handed down to ONT.

In the method that above embodiment provides, OLT uses information information cycle by the inquiry T-CONT formation of knowing ONT, the DBRu solicited message cycle that reports of OLT is matched, matching process is simple, efficient is high, realized improving the accuracy of Dynamic Resource Allocation for Multimedia, improve system maintainability, increase the compatibility of docking of OLT and ONT.

One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can be finished by the relevant hardware of program command, aforesaid program can be stored in the computer read/write memory medium, this program is carried out the step that comprises said method embodiment when carrying out; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CD.

Optical Network Terminal embodiment

Fig. 6 is an ONT example structure schematic diagram of the present invention, and as Fig. 6 institute, this ONT comprises first receiver module 11 and first sending module 12, and wherein first receiver module 11 is used for receiving and reports the DBRu solicited message, uses information acquisition DBRu information according to the T-CONT formation; First sending module 12 is used to send cycle information and DBRu information, and described cycle information is to be used to inquire about the cycle information that information is used in the T-CONT formation.

Particularly, ONT sends this ONT by first sending module 12 to OLT and carries out the cycle information that information inquiry is used in the T-CONT formation when reaching the standard grade, and specifically can send by the ANI-G entity based on the OMCI agreement; OLT receives after described cycle information correspondingly handles, and sends to ONT and reports the DBRu solicited message, and first receiver module 11 of ONT receives these information, and information is used in inquiry T-CONT formation, calculates DBRu information; To send to OLT according to the DBRu information that T-CONT formation use information obtains by first sending module 12 then.First receiver module 11 specifically comprises and receives submodule 111 and inquiry submodule 112, wherein receives submodule 111 and is used to receive OLT and reports the DBRu solicited message according to what ONT carried out that the T-CONT formation uses that the information inquiry cycle information sends; Inquiry submodule 112 is used to inquire about the T-CONT formation and uses information, and uses information according to the T-CONT formation that inquires, and obtains DBRu information.

The ONT that present embodiment provides initiatively or by trend OLT reports the DBRu of this ONT to carry out the cycle information that information inquiry is used in the T-CONT formation when reaching the standard grade, make OLT send and report the DBRu solicited message to be complementary with it, avoid OLT to issue the waste of dynamically bandwidth resource.

Optical line terminal embodiment

Fig. 7 is an OLT example structure schematic diagram of the present invention, as shown in Figure 7, this OLT comprises second receiver module 21, acquisition module 22 and second sending module 23, wherein second receiver module 21 is used for receiving cycle information and DBRu information, and described cycle information is to be used to inquire about the cycle information that information is used in the T-CONT formation; Acquisition module 22 is used for according to the described cycle information that receives, and is provided with to send to report the DBRu RQ cycle, and according to the DBRu information that receives, obtains Dynamic Bandwidth Allocation information; Second sending module 23 be used for sending report the DBRu solicited message and with described Dynamic Bandwidth Allocation information corresponding bandwidth resource.Further, second sending module 23 comprises: first sends submodule 231, second sends submodule 232 and the 3rd and sends submodule 233, wherein first sends submodule 231 and is used for sending and reports the DBRu solicited message; Second sends submodule 232 when being used to arrive described transmission and reporting the DBRu RQ cycle, issues and described Dynamic Bandwidth Allocation information corresponding bandwidth resource; The 3rd sends submodule 233 is used for reporting the DBRu RQ cycle according to described transmission, will divide with described Dynamic Bandwidth Allocation information corresponding bandwidth resource, and ready-portioned bandwidth resources are issued in batches.

Particularly, second receiver module 21 among the OLT receive that ONT sends its carry out the T-CONT formation and use the cycle information of information inquiry after, acquisition module 22 is according to receiving described cycle information, is provided with to send to report the DBRu RQ cycle; In second sending module 23 first sends submodule 231 and reports the DBRu solicited message to the ONT transmission then; After second receiver module 21 receives the DBRu information of ONT transmission, use acquisition module 22 again, obtain Dynamic Bandwidth Allocation information according to the DBRu information that receives; When the described transmission of arrival reports the DBRu RQ cycle, issue and described Dynamic Bandwidth Allocation information corresponding bandwidth resource to ONT then by second sending module 23.According to the different mode of setting that issues, adopt the different submodules in second sending module 23 to issue, be specially when the arrival transmission reports the DBRu RQ cycle, second sends submodule 232 issues and described Dynamic Bandwidth Allocation information corresponding bandwidth resource; Or report the DBRu RQ cycle according to described transmission, and will divide with described Dynamic Bandwidth Allocation information corresponding bandwidth resource, the 3rd sends submodule 233 issues ready-portioned bandwidth resources in batches.

The OLT that present embodiment provides carries out the cycle information that information inquiry is used in the T-CONT formation by its that receives that ONT sends when reaching the standard grade, and OLT is sent report the DBRu solicited message to be complementary with it, avoids OLT to issue the waste of dynamically bandwidth resource.

Resource allocation system embodiment

Fig. 8 is a resource allocation system example structure schematic diagram of the present invention, as shown in Figure 8, this system comprises ONT1 and OLT2, wherein ONT1 comprises first receiver module 11 and first sending module 12, wherein first receiver module 11 is used for receiving and reports the DBRu solicited message, uses information acquisition DBRu information according to the T-CONT formation; First sending module 12 is used to send cycle information and DBRu information, and described cycle information is to be used to inquire about the cycle information that information is used in the T-CONT formation.

Particularly, ONT1 sends this ONT1 by first sending module 12 to OLT2 and carries out the cycle information that information inquiry is used in the T-CONT formation when reaching the standard grade, and specifically can send by the ANI-G entity based on the OMCI agreement; OLT2 receives after described cycle information correspondingly handles, and sends to ONT1 and reports the DBRu solicited message, and first receiver module 11 of ONT receives these information, and information is used in inquiry T-CONT formation, calculates DBRu information; To use the DBRu information that obtains of information to send to OLT2 according to the T-CONT formation by first sending module 12 then.First receiver module 11 specifically comprises and receives submodule 111 and inquiry submodule 112, wherein receives submodule 111 and is used to receive OLT2 and reports the DBRu solicited message according to what ONT1 carried out that the T-CONT formation uses that the information inquiry cycle information sends; Inquiry submodule 112 is used to inquire about the T-CONT formation and uses information, and uses information according to the T-CONT formation that inquires, and obtains DBRu information.

OLT2 comprises second receiver module 21, acquisition module 22 and second sending module 23, wherein second receiver module 21 is used to receive cycle information and the DBRu information that information inquiry is used in the T-CONT formation of carrying out, and described cycle information is to be used to inquire about the cycle information that information is used in the T-CONT formation; Acquisition module 22 is used for according to the described cycle information that receives, and is provided with to send to report the DBRu RQ cycle, and according to the DBRu information that receives, obtains Dynamic Bandwidth Allocation information; Second sending module 23 be used for sending report the DBRu solicited message and with described Dynamic Bandwidth Allocation information corresponding bandwidth resource.Further, second sending module 23 comprises: first sends submodule 231, second sends submodule 232 and the 3rd and sends submodule 233, wherein first sends submodule 231 and is used for sending and reports the DBRu solicited message; Second sends submodule 232 when being used to arrive described transmission and reporting the DBRu RQ cycle, issues and described Dynamic Bandwidth Allocation information corresponding bandwidth resource; The 3rd sends submodule 233 is used for reporting the DBRu RQ cycle according to described transmission, will divide with described Dynamic Bandwidth Allocation information corresponding bandwidth resource, and ready-portioned bandwidth resources are issued in batches.

Particularly, second receiver module 21 among the OLT2 receive that ONT1 sends its carry out the T-CONT formation and use the cycle information of information inquiry after, acquisition module 22 is according to receiving described cycle information, is provided with to send to report the DBRu RQ cycle; In second sending module 23 first sends submodule 231 and reports the DBRu solicited message to the ONT1 transmission then; After second receiver module 21 receives the DBRu information of ONT1 transmission, use acquisition module 22 again, obtain Dynamic Bandwidth Allocation information according to the DBRu information that receives; When the described transmission of arrival reports the DBRu RQ cycle, issue and described Dynamic Bandwidth Allocation information corresponding bandwidth resource to ONT1 then by second sending module 23.According to the different mode of setting that issues, adopt the different submodules in second sending module 23 to issue, be specially when the arrival transmission reports the DBRu RQ cycle, second sends submodule 232 issues and described Dynamic Bandwidth Allocation information corresponding bandwidth resource; Or report the DBRu RQ cycle according to described transmission, and will divide with described Dynamic Bandwidth Allocation information corresponding bandwidth resource, the 3rd sends submodule 233 issues ready-portioned bandwidth resources in batches.

The resource allocation system that the embodiment of the invention provides, OLT uses information information cycle by the query transmission device formation of knowing ONT, make the transmission of OLT report the DBRu solicited message cycle to match, realized improving the accuracy of Dynamic Resource Allocation for Multimedia, improve system maintainability, increase the compatibility of docking of Optical Network Terminal and optical line terminal.

It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.

Claims

1. resource allocation request method is characterized in that comprising:

2. resource allocation request method according to claim 1 is characterized in that described transmission cycle information is specially:

ONT is to the entity A NI-G entity information of OLT transmission access node interface management, and described ANI-G entity information carries the attribute information that is used to identify described cycle information;

Or ONT sends custom entities information to OLT, and described custom entities information carries the attribute information that is used to identify described cycle information.

3. resource allocation request method according to claim 2 is characterized in that described transmission cycle information is specially: send described cycle information based on Optical Network Termination Management and Control Interface OMCI agreement when ONT reaches the standard grade.

4. resource allocation request method according to claim 1 is characterized in that described transmission cycle information is specially, and sends described cycle information based on physical layer operations management maintenance PLOAM agreement when ONT reaches the standard grade.

5. resource allocation request method according to claim 1 is characterized in that described ONT receives the reporting uplink dynamic bandwidth report solicited message that OLT sends, and sends up dynamic bandwidth report information to OLT and comprises:

ONT receives reporting uplink dynamic bandwidth report solicited message, and information is used in the formation of query transmission device;

ONT uses information according to the described transmitter formation that inquires, and obtains up dynamic bandwidth report information;

ONT sends described up dynamic bandwidth report information to OLT.

6. resource allocation methods is characterized in that comprising:

7. resource allocation methods according to claim 6 is characterized in that the described transmission cycle according to described OLT reporting uplink dynamic bandwidth report solicited message, issues with described Dynamic Bandwidth Allocation information corresponding bandwidth resource to be specially:

Arrive described transmission during the cycle, OLT issues and described Dynamic Bandwidth Allocation information corresponding bandwidth resource;

Or according to the described transmission cycle, OLT will divide with described Dynamic Bandwidth Allocation information corresponding bandwidth resource, and ready-portioned bandwidth resources are issued in batches.

8. resource allocation methods according to claim 6, it is characterized in that described OLT according to the described transmission cycle, also comprise when issuing with described Dynamic Bandwidth Allocation information corresponding bandwidth resource: OLT sends reporting uplink dynamic bandwidth report solicited message to ONT.

9. Optical Network Terminal is characterized in that comprising:

Wherein, described first receiver module comprises:

10. optical line terminal is characterized in that comprising:

11. optical line terminal according to claim 10 is characterized in that described second sending module comprises:

First sends submodule, is used to send described reporting uplink dynamic bandwidth report solicited message;

Second sends submodule, is used to arrive described transmission during the cycle, issues and described Dynamic Bandwidth Allocation information corresponding bandwidth resource;

The 3rd sends submodule, is used for according to the described transmission cycle, will divide with described Dynamic Bandwidth Allocation information corresponding bandwidth resource, and ready-portioned bandwidth resources are issued in batches.

12. a resource allocation system comprises Optical Network Terminal and optical line terminal, it is characterized in that described Optical Network Terminal comprises:

Wherein, described first receiver module comprises:

Described optical line terminal comprises:

13. resource allocation system according to claim 12 is characterized in that described second sending module comprises: