CN102821029B - Multi-service bandwidth allocation method in a kind of Ethernet passive optical network and device thereof - Google Patents
Multi-service bandwidth allocation method in a kind of Ethernet passive optical network and device thereof Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/70—Admission control; Resource allocation
- H04L47/80—Actions related to the user profile or the type of traffic
- H04L47/805—QOS or priority aware
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/70—Admission control; Resource allocation
- H04L47/72—Admission control; Resource allocation using reservation actions during connection setup
- H04L47/724—Admission control; Resource allocation using reservation actions during connection setup at intermediate nodes, e.g. resource reservation protocol [RSVP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/70—Admission control; Resource allocation
- H04L47/80—Actions related to the user profile or the type of traffic
- H04L47/808—User-type aware
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/70—Admission control; Resource allocation
- H04L47/82—Miscellaneous aspects
- H04L47/828—Allocation of resources per group of connections, e.g. per group of users
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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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- 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
- H04Q11/0066—Provisions for optical burst or packet networks
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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
- H04Q2011/0064—Arbitration, scheduling or medium access control aspects
Abstract
The invention provides the Multi-service bandwidth allocation method in a kind of Ethernet passive optical network and device thereof, some ONU (optical network unit) that system comprises OLT (Optical Network Terminal) and connects, wherein, ONU carries out this locality to traffic flow types and distinguishes, and distributing different logical links passages according to traffic flow types, OLT is bandwidth allocation methods that different logical links channel selecting is different based on traffic flow types and carries out corresponding service scheduling; ONU carries out corresponding local service scheduling according to described bandwidth allocation methods.ONU can organize attribute to the user of Business Stream further and identify, OLT and ONU can organize characteristic according to this user and carry out rational management to meet its user bandwidth or service application demand to business, for multitenant unit/multi-lessee unit type ONU, the present invention effectively can solve its limitation in multi-user, multi-service application.
Description
Technical field
The present invention relates to communication technical field, particularly relate to the service bandwidth distribution method in a kind of EPON (Ethernet passive optical network) system and device thereof.
Background technology
PON (EPON) system is the ideal solution of reply multiple service supporting, high bandwidth multimedia service access network technology, and it is several that PON technology mainly contains EPON and GPON etc., and its Main Differences is to have employed two layers of different technology.Wherein, EPON achieves and ethernet technology is combined with PON technological perfectionism, becomes and is very applicable to the broadband access technology of IP operation, but how to ensure the QoS (service quality) of transmission multiple broadband services EPON on, is a potential technical problem.
For in an EPON network system, it can carry simultaneously comprise IP (Ethernet) business, speech business, TDM business, CATV business etc. are in interior multiple broadband services, but the requirement of different types of service to service quality exists dramatic difference.For TDM business, it require bearer network can its low delay of absolute guarantee, without error code, EPON system needs to meet this business demand of TDM business by the technology of reserved fixed-bandwidth, the encapsulation of short frame.
The complexity of EPON network application scene, result in the diversity of optical network unit (ONU) equipment form in its network, according to the difference of type of service interface and quantity, ONU can be divided into SFU/SBU (single domestic consumer's unit/single business user's unit), the types such as MDU/MTU (multitenant unit/multi-lessee unit).
For SFU/SBU type ONU, it only accesses a user, polytype business shares a logical links passage (LLID), cannot the differentiated service grade of service on EPON layer, can only by providing differentiated service ability on two layers (Layer2).
And for MDU/MTU type ONU, it need access multiple isolated user, generally need to use several logical links passages to provide multi-user, multiple service supporting, MDU/MTU can provide multiple Ethernet interface (or some DSL interfaces), and provide POTS interface to meet the speech business demand of user, even, in order to meet the demand of commercial accounts to TDM business, some MDU/MTU also can provide some E1 interfaces.
Therefore, although MDU/MTU is by carrying out priority tag to different service types and ensureing quality of service by Optical Network Terminal (OLT) the side priority scheduling of local side, but, for EPON system, its EPONMAC (medium access controller) is responsible for the transmission control protocol of system uniqueness, control EPON burst mode data transmits, and OLT receives upstream data with cooperative mode, to guarantee that the data burst from ONU can not rush mutually.Current; EPONMAC is somewhat expensive; configurable at most 8 EPONMAC of MDU/MTU (corresponding to corresponding logical links passage); and for a MDU; usually nearly 256 physical interfaces are had; and only distinguish from the multi-user of several physical interfaces, multi-service bandwidth requirement with 8 logical links passages, this is obviously inadequate.
Summary of the invention
The present invention aims to provide in a kind of Ethernet passive optical network and can support multi-service bandwidth allocation techniques scheme.
According to an aspect of the present invention, a kind of service bandwidth distribution method of EPON system is provided here, some ONU that described EPON system comprises OLT and connects, comprise the following steps: ONU differentiated service stream type, and distribute different logical links passages according to traffic flow types; OLT based on traffic flow types be described logical links passage for its select different bandwidth allocation methods and corresponding service scheduling; ONU carries out corresponding service scheduling according to described bandwidth allocation methods.
Preferably, aforementioned ONU organizes attribute to the user of Business Stream further and identifies, and described user group is for same traffic flow types and the identical service port set of business demand, and ONU organizes attribute according to described user further and dispatches corresponding service.
According to another aspect of the present invention, provide here in a kind of optical network unit and support Multi-service bandwidth allocation method, comprise the following steps: ONU differentiated service stream type; ONU is that it distributes different logical links passages and corresponding service scheduling according to traffic flow types.
Preferably, aforementioned optical network unit is organized attribute to the user of Business Stream further and is identified, and described user group is for same traffic flow types and the identical service port set of business demand.Business demand can be user bandwidth demand or service application demand, and user's group can adopt user's VLAN (CVLAN) to identify.
According to another aspect of the present invention, a kind of optical network unit supporting multi-service allocated bandwidth is provided here, comprises: sorter, for differentiated service stream type; Dispatching device, for distributing different logical links passages and corresponding service scheduling by the Frame of described different business stream type.
Preferably, aforesaid class device is organized attribute to the user of Business Stream further and is identified, and described user group is for same traffic flow types and the identical service port set of business demand.Business demand can be user bandwidth demand or service application demand, and user's group can adopt user's VLAN (CVLAN) to identify
Preferably, aforesaid class device according to service port type carry out Business Stream distinguish and user organize mark, or according to the relevant parameter in ethernet data frame carry out Business Stream differentiation and user organize mark.
According to another aspect of the present invention, the Multi-service bandwidth allocation method in a kind of Optical Network Terminal is provided here, comprises the following steps: be the bandwidth allocation methods that different logical links channel selecting is different according to type of service; Dispatch according to the carrying out of selected bandwidth allocation methods to the Business Stream of Different Logic link channel.
Preferably, Optical Network Terminal is configured the logical links passage of ONU, corresponding traffic flow types mapping relations further; And best property of attribute mapping relation is organized to the traffic flow types of ONU and user thereof be configured.
According to another aspect of the present invention, a kind of Optical Network Terminal (OLT) supporting multi-service allocated bandwidth is provided here, comprises: inking device, for being the corresponding bandwidth allocation methods of logical links channel selecting according to type of service; Dispatching device, for dispatching according to the carrying out of selected bandwidth allocation methods to the Business Stream of Different Logic link channel.
Preferably, aforementioned arrangements device is configured the logical links passage of ONU, corresponding traffic flow types mapping relations further.Or further best property of attribute mapping relation is organized to the traffic flow types of ONU and user thereof and be configured.
According to technical scheme provided by the present invention, operator can develop the EPON system having flexibility QoS (service quality) and ensure, the logical links passage different according to the different choice of type of service and corresponding bandwidth allocation methods, typically, those are required that the business of fixed-bandwidth requirement can use static bandwidth allocation principle; Dynamic Bandwidth Allocation principle can be used to the business that those have different bandwidth requirement.When after total allocated bandwidth that logical links passage is corresponding, these bandwidth can organize further segmentation according to user again, can meet its user bandwidth or the business demand of different user further.
Accompanying drawing explanation
By the detailed description with the accompanying drawing proposed below, feature of the present invention, character and advantage will become more obvious, and element identical in accompanying drawing has identical mark, wherein:
Fig. 1 is the multi-service EPON system application schematic diagram according to a specific embodiment of the present invention;
Fig. 2 is the ONU structural representation legend applied according to the support multi-service of a specific embodiment of the present invention.
Fig. 3 is the OLT structural representation legend applied according to the support multi-service of a specific embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiment of the present invention is described in detail.
Fig. 1 is the application scenarios schematic diagram according to a specific embodiment of the present invention; This EPON system by OLT, optical distribution network ODN, ONU tri-part form, its traffic flow types that may carry comprises Ethernet/IP operation, speech business, TDM business etc., this EPON system provides necessary QoS mechanism, to ensure the QoS that all can provide various priority service in uplink and downlink direction according to SLA agreement, wherein:
User's side business interface type of ONU can comprise: the multichannel E1 interface etc. of the multichannel 10/100M self adaptation Ethernet interface of supported data business, the multichannel POTS interface supporting VoIP speech business, support TDM private line service, a corresponding typical MDU/MTU type ONU, according to the type of the above business interface of the difference of application scenarios, quantity arrangement can be different to support multi-user, multi-service.
According to embodiment provided by the present invention, in this EPON system, ONU is that it distributes different logical links passages according to the traffic flow types of its user side, in legend, we only illustrate such 3 the logical links passages of LLID1, LLID2, LLID3, nearly 8 logical links passages can be designed to according to the not same MDU/MTU of application scenarios, such as: for VoIP speech business, all business interface types of this ONU are that the multichannel user data of POTS interface can be mapped to logical links passage LLID1.For video traffic, the multichannel user data of the Ethernet interface of all real-time video traffic of this ONU can be mapped to logical links passage LLID2.For Ethernet data business, all business interface types of this ONU are that the multichannel user data of 10/100M Ethernet interface can be mapped to logical links passage LLID3;
Alternatively, Business Stream is done further for the data from 10/100M Ethernet interface distinguish, because for VoIP speech business or IPTV video traffic, during operator deployment, general meeting is when the equipment conversion of home gateway or Set Top Box and so on, different priority tag (IEEE802.1DUserPriority is stamped to different business, or IPTOS and DSCP priority tag), ONU can carry out this locality according to priority tag to these business and distinguish, corresponding logical links passage is mapped to afterwards by type of service, such as: VoIP speech business can be mapped to logical links passage LLID1, video traffic can be mapped to logical links passage LLID2, Ethernet data business can be mapped to logical links passage LLID3.
According to embodiment provided by the present invention, ONU side different user has different service attribute requirements to the business interface that it has, for aforementioned Ethernet interface, the service bandwidth that different users selects may be different, can be the online of 10M data, the online of 20M data, the online of 30M data; And to same interface bandwidth, the type of service of its agreement also there are differences, such as: for 20M data-interface, user can select 20M data, 10M data online+10MIPTV Video Applications, 20M photographic technique etc.The same traffic flow types of our definable and the identical sets of ports of service attribute demand is combined into user's group, ONU adopts CVLAN to carry out identifying user group, is beneficial to ONU and OLT and reasonably carries out uplink and downlink allocated bandwidth and traffic scheduling.
OLT selects different bandwidth allocation methods based on described logical links passage for it, and can dispatch the downlink business corresponding to each logical links according to user's group further, to meet the particular traffic requirements of different user.Such as: logical links passage LLID1 ONU being carried to the speech business of POTS class, it adopts fixed-bandwidth distribution method, to the logical links passage LLID2 of ONU bearing data service, it can adopt bandwidth allocation methods of doing one's best ONU to be carried to the logical links passage LLID3 of real-time video traffic, and it can adopt guarantee bandwidth allocation methods.After the bandwidth allocation methods determining above-mentioned LLID1, LLID2, LLID3 logical links passage, the service that OLT can organize attribute according to user further distributes different bandwidth, or carries out rational management according to the traffic performance of specifying.
Fig. 2 is the ONU structural representation legend applied according to the support multi-service of a specific embodiment of the present invention, and it comprises the function of sorter 201 and dispatching device 202A, 202B, 202C etc., wherein:
Sorter 20 can carry out service stream classification based on the relevant parameter in service port type or ethernet frame to uplink service, and selectable parameter can comprise: User Priority (IEEE802.1D), ethernet frame type (such as PPPoE, PWE3, MACControl etc.), IPTOS/DSCP (differentiated services code points) priority etc. are to distinguish the different service types such as VoIP speech business, data business of networking, real-time video traffic.
According to a kind of execution mode provided by the present invention, sorter 201 simply can be distinguished type of service and carry out user further based on service port type and organize mark, such as: the data flow classification from all POTS interface types of UNI1 to UNI32 is VoIP speech business by it, being data business of networking by the data flow classification from all Ethernet interface types of UNI33 to UNI64, is real-time video traffic by the data flow classification from all Ethernet interface types of UNI65 to UNI96.Sorter 201 can be organized attribute to the user of aforementioned Business Stream further and identify, and user's group may be defined as same traffic flow types and the identical service port set of business demand, identifies with CVLAN (user's VLAN).Such as: part POTS interface (such as, UNI1 to UNI12) is wherein designated CVLAN11 according to certain specific transactions characteristic of POTS interface, part POTS interface (such as, UNI13 to UNI32) is designated CVLAN12 by it.
According to a kind of execution mode provided by the present invention, sorter 201 can carry out Business Stream differentiation according to relevant parameter in the Frame of Ethernet Ethernet interface and carry out user further organizing mark.For aforementioned Ethernet interface, the service bandwidth that different users selects may be different, can be the online of 10M data, the online of 20M data; Even also there are differences in type of service, is 20M data equally, and user can select 20M data, 10M data online+10MIPTV Video Applications ... etc.For these Business Streams from Ethernet interface, during operator deployment, general meeting is when the equipment conversion of home gateway or Set Top Box and so on, different priority tag (IEEE802.1DUserPriority is stamped to different business, or IPTOS and DSCP priority tag), ONU can carry out this locality according to priority tag to these types of service and distinguish, and sorter 201 can be organized attribute to the user of aforementioned Business Stream further and carry out mark and be beneficial to ONU and OLT and reasonably carry out allocated bandwidth and scheduling.Here, we define same traffic flow types and the identical sets of ports of service attribute demand is combined into user's group, adopt CVLAN to identify.Such as: the VoIP speech business from Ethernet interface UNI33 to UNI64 can be designated CVLAN13 (service bandwidth of agreement is 2M) by it, the video traffic of Ethernet interface UNI33 to UNI64 is designated CVLAN31 (service bandwidth of agreement is 10M) respectively according to bandwidth demand; The data business of networking of Ethernet interface UNI33 to UNI64 is designated CVLAN21 (service bandwidth of agreement is 10M), CVLAN22 (service bandwidth of agreement is 20M) respectively according to bandwidth demand.The video traffic of Ethernet interface UNI65 to UNI96 is designated CVLAN32 (service bandwidth of agreement is 20M) CVLAN33 according to bandwidth demand.
The Frame of described different business stream type is distributed different logical links passage LLID1, LLID2, LLID3 and carries out the scheduling of local service stream by dispatching device 202A, 202B, 202C, first the Frame of different business demand will be arranged into different queues, and scheduler realizes uplink service scheduling to ensure business demand by SP+WRR (priority scheduling algorithm).
According to a kind of execution mode provided by the present invention, dispatching device 202A, 202B, 202C will be that it distributes different logical links passages according to type of service, such as: the POTS speech business from all business interfaces is assigned to logical links passage LLID1 by dispatching device 202A, data business of networking is assigned to logical links passage LLID2 by dispatching device 202B, and real-time video traffic is assigned to logical links passage LLID3 by dispatching device 202C.
According to a kind of execution mode provided by the present invention, dispatching device 202A, 202B, 202C will carry out Business Stream scheduling to meet its specific transactions attribute requirements according to user's group further.For queue #2A, 2B under the logical links passage LLID2 corresponding to data business of networking, the user that queue #2A corresponds to 10M user bandwidth organizes CVLAN21, the user that queue #2B corresponds to 20M user bandwidth organizes CVLAN22, the user bandwidth of user bandwidth 2 doubly in queue #2A corresponding in queue #2B, come therefrom, dispatching device 202B adopt SP+WRR realize uplink service scheduling, its scheduler to the access times of queue #2B also by 2 times to queue #2A.In like manner, for queue #1A, 1B under the logical links passage LLID1 corresponding to speech business, for queue #3A, 3B under the logical links passage LLID3 corresponding to real-time video traffic, dispatching device 202A and 202C will organize characteristic according to user and carry out corresponding Business Stream scheduling to meet its user bandwidth or service application demand.
Fig. 3 is the OLT structural representation legend applied according to the support multi-service of a specific embodiment of the present invention.It comprises the function of inking device 301 and dispatching device 302A, 302B, 302C etc., wherein:
First inking device 301 can pass through the realization of OAM(Operation Administration Maintenance) extended mode the business categorizing of ONU and the management such as user ID, traffic scheduling, here, it can configure this ONU and how carry out traffic flow types differentiation and further identifying user group, so, operator " user's group+type of service " and terminal use can sign bandwidth protocol in logical links passage configuration corresponding to different business stream.
According to a kind of embodiment provided by the present invention, here, inking device 301 can be the bandwidth allocation methods that different logical links channel selecting is different according to carried type of service, ONU is carried to the logical links passage LLID1 of POTS class speech business, it adopts fixed-bandwidth distribution method, periodically sent the mandate of fixed qty to ONU by OLT, it carries out allocated bandwidth with less polling cycle and higher mandate (Grant) frequency; To the logical links passage LLID2 of ONU bearing data service, it can adopt bandwidth allocation methods of doing one's best, when the bandwidth on EPON interface is not taken by the business of other high priorities, and ONU this part bandwidth operable; OLT carries the logical links passage LLID3 of real-time video traffic to ONU, it can adopt guarantee bandwidth allocation methods, authorized according to the report information of ONU by OLT, when the practical business flow of ONU does not reach guarantee bandwidth, its remaining bandwidth should be able to be distributed to other business by Dynamic Bandwidth Allocation (DBA) mechanism of OLT.
Correspondingly, dispatching device 302A, 302B, 302C dispatch for downlink business, dispatch according to the carrying out of selected bandwidth allocation methods to the Business Stream of Different Logic link channel, the data message of different service types is mapped to Different Logic link channel and corresponding output queue thereof by dispatching device, ensure key business data priority treatment, meet the demand of different business to basic network.For such speech business corresponding to logical links passage LLID1, dispatching device 302A is according to selected fixed-bandwidth distribution method, even if when ONU does not have up fixed-bandwidth Business Stream, OLT is still for this ONU sends the mandate corresponding to this fixed-bandwidth, to ensure the propagation delay time that such business is less; For the data business of networking corresponding to logical links passage LLID2, dispatching device 302B is according to selected bandwidth allocation methods of doing one's best, be that ONU distributes and authorizes by OLT according to the bandwidth occupancy situation on the REPORT information of all on-line ONU in EPON system and EPON interface, system does not ensure that the specific transactions of this ONU or ONU obtains the quantity of bandwidth; For the real-time video traffic corresponding to logical links passage LLID3, dispatching device 303A.......
According to a kind of execution mode provided by the present invention, dispatching device 302A, 302B, 302C can dispatch the downlink business corresponding to each logical links according to user's group further, to meet the particular traffic requirements of different user, such as:
From 32 POTS interfaces and certain Ethernet interface VoIP business be mapped to logical links passage LLID1, so, OLT distributes a total static bandwidth to this logical links passage to meet its fixed-bandwidth demand, afterwards, VoIP service again for different user groups distributes different bandwidth, or carries out rational management according to the traffic performance of specifying.
The data business of networking of 32 Ethernet interfaces of specifying is mapped to logical links passage LLID2, so, OLT distributes a total bandwidth to this logical links passage to meet its total bandwidth need, afterwards, data business of networking service again for different user groups distributes different bandwidth, or carries out rational management according to the traffic performance of specifying.
The real-time video traffic of 32 Ethernet interfaces of specifying is mapped to logical links passage LLID3, so, OLT distributes a total static bandwidth to this logical links passage with after meeting its fixed-bandwidth demand, again for the bandwidth that the video service distribution of different user groups is different, or carry out rational management according to the traffic performance of specifying.
Be illustrated as although above-mentioned and the invention provides some embodiments; not be used for limiting protection scope of the present invention; the professional of the art without departing from the scope and spirit in the present invention, can carry out various amendment to embodiment, and this amendment is all within the scope of the present invention.
Claims (16)
1. a service bandwidth distribution method for Ethernet passive optical network system, some optical network units that described system comprises Optical Network Terminal and connects, is characterized in that comprising:
Steps A. optical network unit differentiated service stream type, and distribute different logical links passages according to traffic flow types;
Step B. Optical Network Terminal based on traffic flow types be described logical links passage for its select different bandwidth allocation methods and corresponding service scheduling;
Step C. optical network unit carries out corresponding service scheduling according to described bandwidth allocation methods;
Wherein, in steps A, optical network unit is organized attribute to the user of Business Stream further and is identified, and described user group is for same traffic flow types and the identical service port set of business demand, in step C, optical network unit is organized attribute according to described user further and is dispatched corresponding service.
2. the method for claim 1, is characterized in that described optical network unit adopts user's VLAN CVLAN to organize attribute to described user and identifies.
3. the method as described in claim as arbitrary in claim 1 to 2, is characterized in that, in described step B, Optical Network Terminal is organized attribute according to described user further and dispatched corresponding service.
4. support a Multi-service bandwidth allocation method in optical network unit, it is characterized in that comprising:
Steps A 1. differentiated service stream type;
Step B1. is that it distributes different logical links passages and corresponding service scheduling according to traffic flow types;
Wherein, in described steps A 1, optical network unit is organized attribute to the user of Business Stream further and is identified, and described user group is for same traffic flow types and the identical service port set of business demand.
5. method as claimed in claim 4, is characterized in that described business demand can be user bandwidth demand or service application demand.
6. method as claimed in claim 4, is characterized in that in described step B1, optical network unit organizes mark according to traffic flow types and user thereof, is mapped to different physical queues, realizes uplink service scheduling.
7. the method as described in claim as arbitrary in claim 4 to 6, is characterized in that described optical network unit adopts the user group of user VLAN CVLAN to described Business Stream to identify.
8. support an optical network unit for multi-service allocated bandwidth, it is characterized in that comprising:
Sorter: for differentiated service stream type;
Dispatching device: for the Frame of different business stream type being distributed different logical links passages and corresponding service scheduling;
Wherein, described sorter is organized attribute to the user of Business Stream further and is identified, and described user group is for same traffic flow types and the identical service port set of business demand.
9. optical network unit as claimed in claim 8, is characterized in that described sorter carries out Business Stream differentiation according to service port type and user organizes mark.
10. optical network unit as claimed in claim 8, is characterized in that described sorter carries out Business Stream differentiation according to the relevant parameter in ethernet data frame and user organizes mark.
11. optical network units as claimed in claim 8, is characterized in that described dispatching device organizes mark according to traffic flow types and user thereof, are mapped to different physical queues, realize uplink service scheduling.
Optical network unit as described in 12. claims as arbitrary in claim 8 to 11, is characterized in that described sorter adopts user's VLAN CVLAN to identify described user's group.
Multi-service bandwidth allocation method in 13. 1 kinds of Optical Network Terminal, is characterized in that comprising:
Steps A 2. is the bandwidth allocation methods that different logical links channel selecting is different according to type of service;
Step B2. dispatches according to the carrying out of selected bandwidth allocation methods to the Business Stream of Different Logic link channel;
Wherein said steps A 2 comprises further:
Steps A 2a. Optical Network Terminal is configured the logical links passage of optical network unit, corresponding traffic flow types mapping relations;
Steps A 2b. Optical Network Terminal is organized best property of attribute mapping relation to the traffic flow types of optical network unit and user thereof and is configured.
Method as described in 14. claims as arbitrary in claim 13, is characterized in that in described step B2, Optical Network Terminal organizes mark according to traffic flow types and user thereof further, is mapped to different physical queues, realizes downlink business scheduling.
15. 1 kinds of Optical Network Terminal supporting multi-service allocated bandwidth, is characterized in that comprising:
Inking device: for being the corresponding bandwidth allocation methods of logical links channel selecting according to type of service;
Dispatching device: for dispatching according to the carrying out of selected bandwidth allocation methods to the Business Stream of Different Logic link channel;
Wherein, described inking device is configured the logical links passage of optical network unit, corresponding traffic flow types mapping relations further; And best property of attribute mapping relation is organized to the traffic flow types of optical network unit and user thereof be configured.
Optical Network Terminal as described in 16. claims as arbitrary in claim 15, is characterized in that described dispatching device organizes mark according to traffic flow types and user thereof, is mapped to different physical queues, realizes downlink business scheduling.
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| CN201110153075.XA CN102821029B (en) | 2011-06-08 | 2011-06-08 | Multi-service bandwidth allocation method in a kind of Ethernet passive optical network and device thereof |
| PCT/IB2012/003052 WO2013072776A2 (en) | 2011-06-08 | 2012-06-08 | Method and apparatus of multi-service bandwidth allocation in ethernet passive optical network |
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| CN201110153075.XA CN102821029B (en) | 2011-06-08 | 2011-06-08 | Multi-service bandwidth allocation method in a kind of Ethernet passive optical network and device thereof |
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| CN103703752B (en) | 2013-08-26 | 2015-12-09 | 华为技术有限公司 | A kind of line numbers signal handling equipment and method |
| CN105634991B (en) * | 2014-11-04 | 2020-01-07 | 中兴通讯股份有限公司 | Method and device for realizing service bandwidth allocation |
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| CN104735555B (en) * | 2015-03-06 | 2019-10-29 | 北京邮电大学 | A kind of bandwidth allocation methods of passive optical network |
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