CN102387424A - Multicast service control method and optical network unit (ONU) - Google Patents
Multicast service control method and optical network unit (ONU) Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q11/0067—Provisions for optical access or distribution networks, e.g. Gigabit Ethernet Passive Optical Network (GE-PON), ATM-based Passive Optical Network (A-PON), PON-Ring
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- H04L12/16—Arrangements for providing special services to substations
- H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
- H04L12/1886—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast with traffic restrictions for efficiency improvement, e.g. involving subnets or subdomains
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- H—ELECTRICITY
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- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
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- H04Q2011/0073—Provisions for forwarding or routing, e.g. lookup tables
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Abstract
The invention discloses a multicast service control method and an optical network unit (ONU). The method comprises the following steps: configuring a multicast preview control parameter to the ONU by an optical line terminal (OLT), and when a multicast request is received by the ONU, achieving a multicast preview function according to the multicast preview control parameter. According to the multicast service control method and the ONU, the problems that the preview service cannot be controlled, and the service application type is single in the correlation technique are solved; a standard multicast control method is perfected, thereby, the multicast preview service can be supported, and the service types which can be realized are enriched.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of multicast service control method and optical network unit (Optical Network Unit abbreviates ONU as).
Background technology
Ethernet passive optical network (Gigabit Passive Optical Network; Abbreviate GPON as) be a kind of employing point-to-multipoint network structure, passive fiber transmission means, based on the encapsulation of GPON method for packing (GPON Encapsulation Method abbreviates GEM as) frame, the broadband access technology of multiple integrated service is provided.
GPON is made up of local side apparatus optical line terminal (Optical Line Terminal abbreviates OLT as), ustomer premises access equipment ONU and optical distribution network (Optical Distribute Network abbreviates ODN as) three parts.Along with the large-scale application of GPON technology, on GPON, how to carry out controllable multicast service and become a problem that is worth research in recent years.
GEM encapsulation port (Gem port) is a logical channel of GPON service bearer.Gem port has multiple mapping mode, can be related with user port, VLAN sign, Ethernet priority.An ONU can support to dispose a plurality of Gem port; Comprise two types of clean culture Gem port and multicast Gem port; Wherein multicast Gem port can be received by all ONU under the multicast group under the PON mouth, and the ascending multicast protocol massages is through clean culture Gem port sign, and descending multicast data message adopts single copy broadcast (Single Copy Broadcast through multicast Gem port; Abbreviating SCB as) mode sends to all ONU, and multicast service distribution control point is on ONU equipment.
The control mode of at present existing GPON international standard ITU-T G984.4 definition is the distributed protocol control mode that authority list issues in advance.Be that OLT passes through Optical Network Terminal management control interface (ONT Management and Control Interface; Abbreviate OMCI as) the multicast authority control table (multicast channel that the user can visit tabulation) of ONU equipment is set; And be associated with on the user port, carry out business configuration.ONU operation IGMP (Internet Group Management Protocol; Abbreviate IGMP as) Snooping (monitoring); When the multicast group of user request in the multicast authority control table, allow the user to add, otherwise; Refusing user's adds, thereby reaches the purpose of filtering illegal multicast packet.
Multicast authority control table through the G984.4 standard definition; Promptly at multicast operation template (Multicast Operations Profile; Abbreviate MOP as) the middle Dynamic access control list table that defines (dynamic access control tabulation); Can only realize the basic permission control of watching, can't control, receive bigger restriction on the service application the preview function of multicast.
Summary of the invention
Main purpose of the present invention is to provide a kind of multicast service control method and optical network unit, to address the above problem at least.
One aspect of the present invention provides a kind of multicast service control method, comprising: OLT is configured to ONU with the multicast preview Control Parameter; When ONU receives multicast request, realize the multicast preview function according to the multicast preview Control Parameter.
Further, OLT is configured to ONU through multicast operation Template Manager object with the multicast preview Control Parameter.
Further, it is one of following that the mode of OLT through multicast operation Template Manager object configuration multicast preview Control Parameter comprises: mode one, and OLT is carried at the multicast preview Control Parameter in the multicast operation Template Manager object and is configured to ONU; Mode two; OLT is carried at the multicast preview Control Parameter in the multicast preview Template Manager object and is configured to ONU; The pointer that will point to multicast preview Template Manager object again is carried in the multicast operation Template Manager object and is configured to ONU, and ONU is according to pointer association multicast operation Template Manager object and its corresponding multicast preview Template Manager object.
Further; In mode one; OLT is carried at the multicast preview Control Parameter in the reserved field of dynamic access control lists in the multicast operation Template Manager object; In mode two, the pointer that OLT will point to multicast preview Template Manager object is carried in the reserved field of dynamic access control lists in the multicast operation Template Manager object.
Further, when ONU received multicast request, realize that according to the multicast preview Control Parameter multicast preview function comprises: ONU received the multicast service request message at user port; ONU determines whether to allow to carry out the multicast preview business according to the multicast preview Control Parameter, if, then E-Packet to OLT, and with transmitting multicast data to user port, otherwise, dropping packets.
Further, transmitting multicast data to user port, is also comprised: ONU confirms to stop the multicast preview business according to the multicast preview Control Parameter; ONU sends to OLT and is used to stop the professional message of multicast preview, and stops to the user port multicast data forwarding.
Further, the multicast preview Control Parameter comprise following one of at least: the maximum of each preview continues the resetting time of the minimum interval between duration, adjacent twice preview, maximum preview number of times, preview statistics.
Another aspect of the present invention provides a kind of optical network unit, comprising: configuration module, and the OLT under being used to accept is to the configuration of multicast preview Control Parameter; Control module is controlled the multicast preview business according to the multicast preview Control Parameter.
Further, configuration module comprises: first receiver module, be used to receive the multicast preview Template Manager object that OLT disposes, and wherein, multicast preview Template Manager object carries the multicast preview Control Parameter; Second receiver module is used to receive the multicast operation Template Manager object that OLT disposes, and wherein, multicast operation Template Manager object carries the pointer that points to multicast preview Template Manager object; Relating module is used for according to pointer association multicast operation Template Manager object and its corresponding multicast preview Template Manager object.
Further, configuration module comprises: the 3rd receiver module, be used to receive the multicast operation Template Manager object that OLT disposes, and wherein, multicast operation Template Manager object carries the multicast preview Control Parameter.
Through the present invention; Adopt OLT to concentrate the multicast preview Control Parameter of ONU is carried out administration configuration, the mechanism of carrying out preview control by ONU according to this multicast preview Control Parameter has again solved in the correlation technique and can't control the preview business; The problem that the service application kind is single; The multicast control method of standard has been carried out perfect, can support multicast preview professional, enriched the class of business that can realize.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart according to the multicast service control method of the embodiment of the invention;
Fig. 2 is the structured flowchart according to the optical network unit of the embodiment of the invention;
Fig. 3 is the preferred structure block diagram one according to the optical network unit of the embodiment of the invention;
Fig. 4 is the preferred structure block diagram two according to the optical network unit of the embodiment of the invention.
Embodiment
Hereinafter will and combine embodiment to specify the present invention with reference to accompanying drawing.Need to prove that under the situation of not conflicting, embodiment and the characteristic among the embodiment among the application can make up each other.
Fig. 1 is the flow chart according to the multicast service control method of the embodiment of the invention, and is as shown in Figure 1, and this method comprises:
Step S102, OLT is configured to ONU with the multicast preview Control Parameter;
Step S104 when ONU receives multicast request, realizes the multicast preview function according to the multicast preview Control Parameter.
This method employing OLT concentrates the multicast preview Control Parameter of ONU is carried out administration configuration; Carry out the mechanism of preview control again according to this multicast preview Control Parameter by ONU; The multicast control method of standard has been carried out perfect, can support multicast preview professional, enriched the class of business that can realize.
The mode of parameter configuration can be selected arbitrarily; For example; Adopting the redetermination message format to carry the multicast preview parameter is configured; Or adopt the spare field in the existing message to carry, in order to reduce the flow process of existing multicast service operation and the change of processing mode as far as possible, OLT can be configured to ONU with the multicast preview Control Parameter through existing multicast operation Template Manager object.Concrete configuration mode can be set according to actual conditions, and for example, OLT can include but not limited to through the mode of multicast operation Template Manager object configuration multicast preview Control Parameter:
Mode one, OLT is carried at the multicast preview Control Parameter in the multicast operation Template Manager object and is configured to ONU.In this mode, ONU can directly control the preview business according to the content in the multicast operation Template Manager object, concrete control mode can with existing multicast operation service class seemingly, change less.
In mode one, OLT can be carried at the multicast preview Control Parameter in the reserved field of dynamic access control lists in the multicast operation Template Manager object, in this way, has utilized the reserved field of G984.4 standard definition, has kept the compatibility with standard; And, to different frequency channels, different dynamic access control listses can be arranged, it can carry different multicast preview Control Parameter separately, thereby can carry out multicast preview control respectively to different frequency channels neatly.
Mode two; OLT can be carried at the multicast preview Control Parameter in the multicast preview Template Manager object and be configured to ONU; The pointer that will point to multicast preview Template Manager object again is carried in the multicast operation Template Manager object and is configured to ONU, and ONU is according to pointer association multicast operation Template Manager object and its corresponding multicast preview Template Manager object.In this mode, can make a plurality of channels adopt identical multicast preview Control Parameter, that is to say; For different frequency channels; Can receive identical multicast preview Template Manager object through identical pointer chain, be convenient to realize the shared of management object, reduce the configuration effort amount.
In mode two, the pointer that OLT will point to multicast preview Template Manager object is carried in the reserved field of dynamic access control lists in the multicast operation Template Manager object.In this way, utilized the reserved field of G984.4 standard definition, kept compatibility with standard.
Preferably, when ONU received multicast request, realize that according to the multicast preview Control Parameter multicast preview function can may further comprise the steps: ONU received multicast service request message (promptly being used to ask to carry out the message of multicast service) at user port; ONU determines whether to allow to carry out the multicast preview business according to the multicast preview Control Parameter, if, then E-Packet to OLT, and with transmitting multicast data to user port, otherwise, dropping packets.In this method, after receiving request message,, realized the distributed protocol management on ONU, carried out concrete control, alleviated the operational load of OLT by ONU through judging whether to allow to carry out the preview business according to the multicast preview Control Parameter.
After beginning multicast preview business; In order to realize to the professional comprehensive control of preview; Can also be according to professional the stopping of multicast preview Control Parameter control multicast preview; Preferably, to user port, ONU confirms to stop the multicast preview business according to the multicast preview Control Parameter with transmitting multicast data; ONU sends to OLT and is used to stop the professional message of multicast preview, and stops to the user port multicast data forwarding, and what preview was professional stops, and also carries out concrete control by ONU, has further alleviated the operational load of OLT.
Preferably, the multicast preview Control Parameter can comprise following one of at least: the maximum of each preview continues the resetting time of the minimum interval between duration, adjacent twice preview, maximum preview number of times, preview statistics.Setting through above parameter; Can carry out the control of multicast preview easily, need to prove, in practical application; The control of multicast preview strategy possibly change with actual conditions; Correspondingly, the kind of multicast preview Control Parameter also possibly change, and is not limited to the parameter kind of above description.
Fig. 2 is the structured flowchart according to the optical network unit of the embodiment of the invention, and is as shown in Figure 2, and this optical network unit comprises: configuration module 22, and the OLT under being used to accept is to the configuration of multicast preview Control Parameter; Control module 24 is coupled to configuration module 22, according to the multicast preview Control Parameter multicast preview business is controlled.
Fig. 3 is the preferred structure block diagram one according to the optical network unit of the embodiment of the invention, and is as shown in Figure 3, and preferably, configuration module 22 comprises:
First receiver module 32 is used to receive the multicast preview Template Manager object that OLT disposes, and wherein, multicast preview Template Manager object carries the multicast preview Control Parameter;
Second receiver module 34 is used to receive the multicast operation Template Manager object that OLT disposes, and wherein, multicast operation Template Manager object carries the pointer that points to multicast preview Template Manager object;
Relating module 36 is coupled to first receiver module 32, second receiver module 34 and control module 24, is used for according to pointer association multicast operation Template Manager object and its corresponding multicast preview Template Manager object.
Fig. 4 is the preferred structure block diagram two according to the optical network unit of the embodiment of the invention, and is as shown in Figure 4, and preferably, configuration module 22 comprises:
The 3rd receiver module 42 is coupled to control module 24, is used to receive the multicast operation Template Manager object of OLT configuration, and wherein, multicast operation Template Manager object carries the multicast preview Control Parameter.
The embodiment 1-2 that describes below combines the technical scheme of above-mentioned a plurality of preferred embodiments.
Embodiment 1
Among this embodiment, continue to use existing GPON OMCI standard management interface definition, still adopted OLT to issue the multicast authority control table; ONU independently carries out the mode of multicast protocol control; That is, centralized rights management, the mode of distributed protocol control is carried out preview professional management and control.
In order to support perfect ONU multicast preview function; OLT need be with the preview authority of channel and relevant preview parameter configuration to ONU; Can in the multicast authority control table, specify access rights (watching or preview) for each multicast channel; And the relevant preview parameter of configuration preview authority, comprising preview number of times, maximum duration of preview, preview minimum time interval etc., ONU carries out preview control according to the multicast authority control table that issues.
The collocation method of concrete preview parameter is following:
(1) increase multicast preview template (Multicast preview profile) management object (Management Entity abbreviates ME as), this ME is used to dispose the multicast preview template of ONU, can be created and deletion by OLT.Attribute definition is following among the ME:
Managed entity id (management entity sign) (2 byte): unique instance that defines a multicast preview template, can be quoted by other ME and carry out association, promptly can adopt this management entity sign to indicate with said pointer in the upper type two.
Preview count (maximum preview number of times) (2 byte): defined the maximum times that allows user's preview.
Preview duration (preview duration) (2 byte): defined the duration that allows a preview of user, unit is second.
Preview blackout (preview minimum time interval) (2 byte): defined the minimum time interval of twice preview of user, unit is second.
(2) expansion multicast operation template (Multicast operations profile) ME; In this ME of Multicast operations profile (multicast operation template) of standard definition G.984.4; Entry attributes to dynamic access control lists (Dynamic access control list table) is expanded; Utilize Reserved (reservation) field, be associated with the multicast preview template.G.984.4, each field of dynamic access control tabulation is defining as follows in the standard:
Table index (2 byte)
GEM port-mark (2 byte)
Vlan number (2 byte)
Source IP address (4 byte)
Initial purpose IP address (4 byte)
End purpose IP address (4 byte)
Group bandwidth (4 byte)
Keep (2bytes).
Wherein, in the present embodiment,, reserved field has been carried out following improvement in order multicast preview template ME to be associated with current expansion multicast operation template ME:
0-representes to watch authority
0xffff-representes default preview parameterized template
Other value-this value representation points to the pointer of Multicast preview profile.
Under this configuration mode, the implementation method of multicast preview control may further comprise the steps:
The first step, OLT creates the multicast preview template, through Multicast preview profile ME, with the preview template configuration to ONU;
In second step, OLT creates the multicast operation template, and between channel and preview template, sets up association, and through Multicast operations profile ME, the multicast authority control table that will comprise the preview parameter is configured on the ONU;
In the 3rd step,, search the local multicast authority list when ONU equipment receives user multicast IGMP request message; If the request multicast group is the preview authority; Then at first check active user's preview number of times,, then abandon the IGMP request message if surpass the maximum preview number of times that defines in the preview template.Otherwise, user port multicast forwarding list item is set, transmitting multicast data is arrived user port, and transmit the IGMP request message, and increase current preview number of times statistics to OLT; ONU starts the preview timer of this multicast member simultaneously, and the preview time is provided with according to the preview duration that defines in the preview template.
In the 4th step, OLT receives the IGMP request message that ONU transmits, and sets up the multicast forwarding list item on the OLT.
The 5th step, when ONU multicast member preview timer expires, delete user port multicast forwarding list item, stop to the user port multicast data forwarding, and send IGMP leave message to OLT.ONU starts the blackout timer simultaneously, and timer time is provided with according to the preview blackout that defines in the preview template.
The 6th step if in the blackout timing cycle, received the IGMP request message of user to this preview channel, then abandoned the IGMP request message.
For the ease of understanding, below through concrete case description the practical implementation process of said method.
Instance 1
If M-VLAN is 100, multicast ip address is 224.1.1.1, and authority is preview.Concrete configuration and control procedure may further comprise the steps:
The first step is created multicast preview template mpp0 on OLT, id is 1, and it is 10 that the preview number of times is set, and the maximum duration of preview is 300 seconds, and the preview minimum time interval is 60 seconds.And with the Multicast preview profile OMCI interface configuration of multicast preview template mpp0 through present embodiment definition to ONU.
Second step, on OLT, create multicast operation template mop0,224.1.1.1 is joined in the dynamic access control tabulation, the Reserve field is set to 1 (this process has realized between channel and preview template, setting up related).And with the Multicast operation profile OMCI interface configuration of multicast operation template mop0 through the G984.4 standard definition to ONU.
The 3rd step had been applied in multicast operation template mop0 on the ONU user port 1 on the OLT, and Multicast subscriber config info (multicast user's configuration information) the OMCI interface configuration through the G984.4 standard definition is on ONU.
The 4th step was that the IGMP of 224.1.1.1 joins message when ONU receives group address on port one, searched the dynamic access control tabulation of multicast operation template, and the authority of entry is preview, carries out following hardware forwarding entry setting:
VID＝100，MAC＝01:00:5e:01:01:01，port＝1
Start the preview timer simultaneously, duration is 300 seconds, and the IGMP message that the user is asked sends to OLT.
In the 5th step, when the preview timer expires, delete the hardware forwarding entry, and send IGMP leave message to OLT.
Embodiment 2
Among this embodiment, continue to use existing GPON OMCI standard management interface definition, still adopted OLT to issue the multicast authority control table; ONU independently carries out the mode of multicast protocol control; That is, centralized rights management, the mode of distributed protocol control is carried out preview professional management and control.Be with different the pointing out of embodiment 1; OLT directly carries the multicast preview Control Parameter in MOP (Multicast Operation Profile) management object; ONU controls the multicast preview function when receiving the multicast preview application according to the above-mentioned parameter that is provided with.
In order to support perfect ONU multicast preview function; OLT need be with the preview authority of channel and relevant preview parameter configuration to ONU; Can in the multicast authority control table, specify access rights (watching or preview) for each multicast channel; And the relevant preview parameter of configuration preview authority, comprise preview number of times, maximum duration of preview, preview minimum time interval.ONU carries out preview control according to the multicast authority control table that issues.
The collocation method of concrete preview parameter is following:
In standard G.984.4 or G.988 among this ME of Multicast operations profile (multicast operation template) of standard definition; Entry attributes to Dynamic access control list table is expanded; Utilize Reserved (reservation) field; Add the working control parameter of multicast preview, this ME is created and is deleted by OLT.G.984.4, each field of dynamic access control tabulation is defining as follows in the standard:
Table index (2 byte)
GEM port-mark (2 byte)
Vlan number (2 byte)
Source IP address (4 byte)
Initial purpose IP address (4 byte)
End purpose IP address (4 byte)
Group bandwidth (4 byte)
Keep (2bytes).
Wherein, in the present embodiment, in the reserved field that the multicast preview Control Parameter is carried at current expansion multicast operation template ME, reserved field has been carried out following improvement:
Bits 2-0, preview length: the maximum length of each preview, wherein,
0: do not have preview (ONU is used for judging whether this channel can provide the multicast preview function, and 0 is exactly not have preview function)
1: 10 seconds of preview
2: 30 seconds of preview
3: preview 1 minute
4: preview 2 minutes
5-6:ITU keeps
7: be left particular organization's special use in the future
Bits 5-3, the preview recurrence interval: the minimum time between twice preview application of user (UNI), wherein,
0: at interval not free
1:30 interval in second
2:1 minute
3:3 minute
4:5 minute
5:10 minute
6～7: keep
Bits 8-6, the preview number of repetition: the maximum times of user (UNI) preview application, wherein,
0: unrestricted
1..7: digital value is just represented concrete number of repetition
Bits 13-9, preview resetting time: user's preview statistics resets when certain hour, wherein,
0: keep
1..24: the integral point time that representative resets, 2 just represent the 2:00 AM clock;
25-30:ITU keeps
31: be left particular organization's special use in the future
Bits?15-14。Keep.
Need to prove, more than only be a kind of form of exemplary reserved field, it will be appreciated by those skilled in the art that this form can be with the kind of parameter, the variation of parameter range and changing, and being not limited thereto.
Under this configuration mode, the implementation method of multicast preview control may further comprise the steps:
The first step, OLT is provided with the multicast preview template, through the extended field of Multicast Operation profile ME, the preview template parameter is configured in the channel parameter table of ONU;
Second step; ONU equipment receives user multicast IGMP request message, searches the local multicast authority list, if but the request multicast group is the preview authority; Then according to the parameter setting in the first step; Preview statistics with inside: at first check active user's preview number of times,, then abandon the IGMP request message if surpass the maximum preview number of times that defines in the preview template.Otherwise, user port multicast forwarding list item is set, transmitting multicast data is arrived user port, and transmit the IGMP request message, and increase current preview number of times statistics to OLT; ONU starts the preview timer of this multicast member simultaneously, and the preview time is provided with according to the preview length value that defines in the preview template.
In the 3rd step, OLT receives the IGMP request message that ONU transmits, and sets up the multicast forwarding list item on the OLT.
The 4th step, when ONU multicast member preview timer expires, delete user port multicast forwarding list item, stop to the user port multicast data forwarding, and send IGMP leave message to OLT.ONU starts preview recurrence interval timer simultaneously, and timer time is provided with according to the preview recurrence interval that defines in the preview template.
The 5th step if in the timing cycle of preview recurrence interval, received the IGMP request message of user to this preview channel, then abandoned the IGMP request message.
For the ease of understanding, below through concrete case description the practical implementation process of said method.
Instance 2
If the VLAN of certain multicast channel is 100, the IP address is 224.1.1.1, and authority is preview.Concrete configuration and control procedure may further comprise the steps:
The first step, OLT is through the MOP extended field among this patent embodiment two, be provided with this multicast channel among the ONU the MOP management object in the preview parameter, the preview number of times is 10, the maximum duration of preview is 300 seconds, the preview minimum time interval is 60 seconds.
Second step was that the IGMP of 224.1.1.1 joins message when ONU receives group address on port one, searched the dynamic access control tabulation of multicast operation template, and the authority of entry is preview, carries out following hardware forwarding entry setting:
VID＝100，MAC＝01:00:5e:01:01:01，port＝1
Start the preview timer simultaneously, duration is 300 seconds, and the IGMP message that the user is asked sends to OLT.
In the 3rd step, when the preview timer expires, delete the hardware forwarding entry, and send IGMP leave message to OLT.
In sum; The scheme that the embodiment of the invention provides is improved existing multicast control mode, the multicast authority control table of ONU is expanded supported preview control and preview parameter configuration, thereby a complete controllable multicast solution is provided; The multicast control interface that has solved the G984.4 standard can't be realized the problem of GPON ONU multicast preview function; And this scheme has kept the compatibility with standard owing to utilized the reserved field of G984.4 standard definition.
Need to prove; Can in computer system, carry out in the step shown in the flow chart of accompanying drawing such as a set of computer-executable instructions; And; Though logical order has been shown in flow chart, in some cases, can have carried out step shown or that describe with the order that is different from here.
Obviously, it is apparent to those skilled in the art that above-mentioned each module of the present invention or each step can realize with the general calculation device; They can concentrate on the single calculation element; Perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element; Thereby; Can they be stored in the storage device and carry out, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize by calculation element.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a multicast service control method is characterized in that, comprising:
Optical line terminal OLT is configured to optical network unit ONU with the multicast preview Control Parameter;
When said ONU receives multicast request, realize the multicast preview function according to said multicast preview Control Parameter.
2. method according to claim 1 is characterized in that, said OLT is configured to ONU through multicast operation Template Manager object with said multicast preview Control Parameter.
3. method according to claim 2 is characterized in that, it is one of following that the mode that said OLT disposes said multicast preview Control Parameter through multicast operation Template Manager object comprises:
Mode one, said OLT is carried at said multicast preview Control Parameter in the said multicast operation Template Manager object and is configured to said ONU;
Mode two; Said OLT is carried at said multicast preview Control Parameter in the multicast preview Template Manager object and is configured to said ONU; The pointer that will point to multicast preview Template Manager object again is carried in the said multicast operation Template Manager object and is configured to said ONU, and said ONU is according to said pointer association multicast operation Template Manager object and its corresponding multicast preview Template Manager object.
4. method according to claim 3; It is characterized in that; In said mode one; Said OLT is carried at said multicast preview Control Parameter in the reserved field of dynamic access control lists in the said multicast operation Template Manager object, and in said mode two, said OLT is carried at the pointer of the said multicast preview Template Manager of said sensing object in the reserved field of dynamic access control lists in the said multicast operation Template Manager object.
5. method according to claim 1 is characterized in that, when said ONU receives multicast request, realizes that according to said multicast preview Control Parameter the multicast preview function comprises:
Said ONU receives the multicast service request message at user port; Said ONU determines whether to allow to carry out said multicast preview business according to said multicast preview Control Parameter, if, then transmit said message to said OLT, and with transmitting multicast data to said user port, otherwise, said message abandoned.
6. method according to claim 5 is characterized in that, after transmitting multicast data to said user port, also comprises:
It is professional that said ONU confirms to stop said multicast preview according to said multicast preview Control Parameter;
Said ONU sends to said OLT and is used to stop the professional message of said multicast preview, and stops to said user port multicast data forwarding.
7. according to each described method in the claim 1 to 6; It is characterized in that, said multicast preview Control Parameter comprise following one of at least: the maximum of each preview continues the resetting time of the minimum interval between duration, adjacent twice preview, maximum preview number of times, preview statistics.
8. an optical network unit is characterized in that, comprising:
Configuration module, the OLT under being used to accept is to the configuration of multicast preview Control Parameter;
Control module is controlled the multicast preview business according to said multicast preview Control Parameter.
9. optical network unit according to claim 8 is characterized in that, said configuration module comprises:
First receiver module is used to receive the multicast preview Template Manager object that said OLT disposes, and wherein, said multicast preview Template Manager object carries said multicast preview Control Parameter;
Second receiver module is used to receive the multicast operation Template Manager object that said OLT disposes, and wherein, said multicast operation Template Manager object carries the pointer that points to said multicast preview Template Manager object;
Relating module is used for according to said pointer association multicast operation Template Manager object and its corresponding multicast preview Template Manager object.
10. optical network unit according to claim 8 is characterized in that, said configuration module comprises:
The 3rd receiver module is used to receive the multicast operation Template Manager object that said OLT disposes, and wherein, said multicast operation Template Manager object carries said multicast preview Control Parameter.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010268682.6A CN102387424B (en) | 2010-08-30 | 2010-08-30 | Multicast service control method and optical network unit |
| PCT/CN2011/071811 WO2012027980A1 (en) | 2010-08-30 | 2011-03-15 | Multicast service control method and optical network unit |
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| CN201010268682.6A CN102387424B (en) | 2010-08-30 | 2010-08-30 | Multicast service control method and optical network unit |
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| WO (1) | WO2012027980A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102724049A (en) * | 2012-07-02 | 2012-10-10 | 上海市共进通信技术有限公司 | Method for realizing cross-hardware-platform compatible passive optical network device multicast function |
| CN103731763A (en) * | 2014-01-14 | 2014-04-16 | 上海斐讯数据通信技术有限公司 | Method for achieving controllable multicast previewing authority in gigabit passive optical network (GPON) system and GPON system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100440966C (en) * | 2004-09-23 | 2008-12-03 | 华为技术有限公司 | Method of realizing group broadcasting video frequency program previewing in broadband cut-in network |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101414920A (en) * | 2007-10-17 | 2009-04-22 | 中兴通讯股份有限公司 | Method for implementing multicast preview in point-to-multi-point optical network |
| CN101877803B (en) * | 2010-06-29 | 2015-10-21 | 中兴通讯股份有限公司 | A kind of method, system and device realizing multicast preview |
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2010
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100440966C (en) * | 2004-09-23 | 2008-12-03 | 华为技术有限公司 | Method of realizing group broadcasting video frequency program previewing in broadband cut-in network |
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| ITU-T: "《ITU-T G984.4》", 28 February 2008 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102724049A (en) * | 2012-07-02 | 2012-10-10 | 上海市共进通信技术有限公司 | Method for realizing cross-hardware-platform compatible passive optical network device multicast function |
| CN102724049B (en) * | 2012-07-02 | 2015-07-08 | 上海市共进通信技术有限公司 | Method for realizing cross-hardware-platform compatible passive optical network device multicast function |
| CN103731763A (en) * | 2014-01-14 | 2014-04-16 | 上海斐讯数据通信技术有限公司 | Method for achieving controllable multicast previewing authority in gigabit passive optical network (GPON) system and GPON system |
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| WO2012027980A1 (en) | 2012-03-08 |
| CN102387424B (en) | 2016-01-13 |
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