CN101420414B - Method for differentiating multiple services in Gbit passive optical network system - Google Patents
Method for differentiating multiple services in Gbit passive optical network system Download PDFInfo
- Publication number
- CN101420414B CN101420414B CN200710163417A CN200710163417A CN101420414B CN 101420414 B CN101420414 B CN 101420414B CN 200710163417 A CN200710163417 A CN 200710163417A CN 200710163417 A CN200710163417 A CN 200710163417A CN 101420414 B CN101420414 B CN 101420414B
- Authority
- CN
- China
- Prior art keywords
- data flow
- encapsulation
- optical network
- line terminal
- business data
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The present invention discloses a method for differentiating a plurality of services in a G bit passive optical network system, wherein the method comprises the following steps: (1) when an optical network unit receives an uplink service data flow from one or a plurality of subscribers at the subscriber side, classifying the data flow according to the service style to which the data flow belongs, then adapting the classified different styles of service data flow to different G bit passive optical network GPON packaging interface for packaging, and transmitting to an optical line terminal; and (2) when the optical line terminal receives the transmitted data flow, restoring the packaged different styles of service data flows from the GPON packaging interface, and mapping the different styles of service data flow to different operators for packaging according to requirement for realizing the multiple service differentiating in the G bit passive optical network system. The invention provides a method for settling multiple services differentiation in the system which uses the GPON access technology.
Description
Technical field
The present invention relates to use the cable broadband access communication system of GPON (Gigabit Passive Optical Network, Gigabit Passive Optical Network) technology, relate in particular to the method that multi-service is distinguished in a kind of GPON system.
Background technology
Broadband network develop rapidly recent years; Various high bandwidths are professional to be occurred with using constantly; Make DSLAM (Digital Subscriber Line Access Multiplexer) dispose to trend towards disperse to move down, fully near the user, to improve more high bandwidth and higher-quality broadband inserting service.The optical fiber access technology is fast-developing; GPON, EPON technology such as (Ethernet Passive Optical Network, Ethernet passive optical networks) reach its maturity, though in the long run; The light access technology possesses long distance symmetry advantage at a high speed; Fiber to the home (FTTH) is desirable broadband access method, but at present because aspects such as cost and demand temporarily are difficult to settle at one go complete instead of copper line technology.Therefore, concerning operator, making full use of and optimize existing copper cash resource, exploit potentialities to greatest extent, on the basis of suitably dropping into, progressively realize " light advances copper and moves back ", is the main direction of development in a period of time from now on.In following a period of time; " xPON (x Passive Optical Network; various EPONs)+VDSL2 (Very highrate Digital Subscriber Line 2, very high speed digital subscriber lines 2) " will become the principal mode that broadband access is used gradually.
The GPON technology is based on the comprehensive access technology of latest generation broadband passive light of ITU-TG.984.x standard; Have numerous advantages such as high bandwidth, high efficiency, large coverage, user interface are abundant, be regarded as the desirable technique that realizes that the Access Network business is broadband, synthesization is transformed by most of operators.GPON has following advantage: adopt GFP (Generic Framing Procedure; Generic Framing Procedure); Utilize PON (Passive OpticalNetwork after the various business dissimilar, different rates of high level are encapsulated; EPON) transparent transmission, thereby support existing various voice and data service, comprise TDM (Time Division Multiplexing; Time division multiplexing), PDH (PlesiochronousDigital Hierarchy; PDH), SONET (Synchronous Optical Network, Synchronous Optical Network)/SDH (Synchronous Digital Hierarchy, synchronous digital hierarchy), (10/100 Base-T (is a kind of local area network standard with the work of 10/100Mbps speed to Ethernet (Ethernet); It is commonly called Fast Ethernet)), ATM (Asynchronous Transfer Mode, asynchronous transfer mode), special line etc.; Network coverage is wide.The optical network unit physical distance can reach 20km farthest, and logical reach covers can reach 60km; Can support symmetry and asymmetric multiple line speed, maximum supporting rate can reach 2.5Gb/s, can satisfy the needs of the existing and following miscellaneous service that possibly occur to bandwidth; Owing to adopted the GFP Generic Framing Procedure to encapsulate, improved the efficient of data encapsulation, reach as high as 97%, thereby reduced cost relatively, help the promotion and application of system.
GPON is as a kind of emerging light access technology, and its technical characterictic and traditional access technology have a lot of differences.Its main difference is that the connection between optical line terminal and optical network unit is the encapsulation that the GPON packaged type that adopts carries out.All business data flows all will pass through this and are encapsulated between optical line terminal and the optical network unit and transmit in this process.Because the Internet is popular; IP uses increasingly extensive; IP network has infiltrated various traditional communication ranges, and making up a multibusiness network based on IP becomes possibility, professional like at present popular IPTV (Web TV) business and VoIP (networking telephone) etc.; This requires the access device in access network to want the multi-service tenability can be provided, and it is the emphasis problem that needs solution that multi-service is distinguished.
Summary of the invention
The present invention provides the method that multi-service is distinguished in a kind of Gigabit Passive Optical Network system, to solve the problem that multi-service is distinguished in the GPON system.
In order to solve the problems of the technologies described above, the present invention provides the method that multi-service is distinguished in a kind of Gigabit Passive Optical Network system, comprises the steps:
(1) after optical network unit receives the uplink business data stream from one or more users of user side; Said data flow is classified by the type of service under it; Be fitted to different Gigabit Passive Optical Network GPON encapsulation port encapsulation to said sorted different kinds of business data flow then, send to optical line terminal;
(2) after said optical line terminal is received; From said GPON encapsulation port, recover packed said different kinds of business data flow; Be mapped to the VLAN encapsulation of different service providers to said different kinds of business data flow as required, to realize that multi-service is distinguished in the said Gigabit Passive Optical Network system.
The method of the invention, wherein, said optical line terminal sends to the upper layer network equipment that optical line terminal connects after being mapped to different service provider's VLAN encapsulation to said different kinds of business data flow as required.
Further, said upper layer network device processes and send downlink service data stream after, comprise the steps:
(a) after said optical line terminal is received the downlink service data stream of said upper layer network equipment transmission; At first separate the VLAN encapsulation of service provider network; Be mapped to different GPON encapsulation port encapsulation to said service supplier's virtual LAN services data flow respectively then, and send to optical network unit;
(b) after said optical network unit is received, separate the G-PON Encapsulation Mode of said business data flow, send to above-mentioned one or more user according to the destination address in the said business data flow then.
The method of the invention; Wherein, In the step (1); Classification of transaction module by said optical network unit is classified by the type of service under it to said data flow, and the encapsulation adaptation module by said optical network unit is fitted to different Gigabit Passive Optical Network GPON encapsulation port to said sorted different kinds of business data flow then.
Further, the classification of transaction module of the said optical network unit mode of classifying is for according to user's physical port number.
Further, the classification of transaction module of said optical network unit is to the label of the packet interpolation VLAN of said sorted data flow, and this label comprises VLAN ID and priority tag.
The method of the invention; Wherein, In the step (2); Encapsulation adaptation module by said optical line terminal recovers packed said different kinds of business data flow from said GPON encapsulation port, be mapped to different service provider's VLAN encapsulation to said different kinds of business data flow as required by the classification of transaction module of said optical line terminal.
The method of the invention; Wherein, In the step (a); The VLAN of being separated its service provider network by the classification of transaction module of said optical line terminal encapsulates, and the encapsulation adaptation module by said optical line terminal is mapped to different GPON encapsulation port encapsulation to said service supplier's virtual LAN services data flow respectively then.
The method of the invention; Wherein, In the step (b), separate the G-PON Encapsulation Mode of said business data flow, send to above-mentioned one or more user by said optical network unit according to the destination address in the said business data flow then by the encapsulation adaptation module of said optical network unit.
The invention provides a kind of method that multi-service is distinguished that in the system that has used the GPON access technology, solves.
Description of drawings
Fig. 1 is that the embodiment of the invention realizes the hardware module project organization figure that multi-service is distinguished;
Fig. 2 is an application example business datum method for stream processing sketch map of the present invention;
Fig. 3 is an application example up direction business data flow process chart of the present invention;
Fig. 4 is an application example down direction business data flow process chart of the present invention.
Embodiment
Below in conjunction with accompanying drawing and embodiment technical scheme according to the invention is described in detail.
As shown in Figure 1; The embodiment of the invention realizes the hardware module project organization figure that multi-service is distinguished, and comprises the classification of transaction module of optical network unit, the encapsulation adaptation module of optical network unit, the encapsulation adaptation module of optical line terminal, the classification of transaction module of optical line terminal; Wherein, The classification of transaction module of optical network unit links to each other with the encapsulation adaptation module of optical network unit; The encapsulation adaptation module of optical line terminal links to each other with the classification of transaction module of optical line terminal; Connect through optical fiber between optical line terminal and the optical network unit, its method that realizes that multi-service is distinguished comprises the steps:
Step 101; After optical network unit receives the uplink business data stream from one or more users of user side; The classification of transaction module of optical network unit is classified by the type of service under it to said data flow; And according to being sorted in the label that adds VLAN in the packet, this label comprises VLAN ID and priority tag, sends to the encapsulation adaptation module of optical network unit then;
Step 102; The encapsulation adaptation module of optical network unit is fitted to different Gigabit Passive Optical Network GPON encapsulation port encapsulation to said sorted different kinds of business data flow: be fitted to an adaptive port of GPON to the sorted same type of business data flow of a plurality of users; The different service types data flow is fitted to other GPON encapsulation port; Promptly use the logical channel of GPON encapsulation port, send to optical line terminal then as different kinds of business;
Step 103, after optical line terminal was received, the encapsulation adaptation module of optical line terminal recovered packed said different kinds of business data flow from said GPON encapsulation port, sent to the classification of transaction module of optical line terminal then;
Step 104, the classification of transaction module of optical line terminal is mapped to different service provider's VLAN encapsulation to the data flow of different business as required, and sends to the upper layer network equipment that optical line terminal connects;
Step 105; The upper layer network device processes is also sent downlink service data stream; Receive the downlink service data stream of said upper layer network equipment transmission when said optical line terminal after; The classification of transaction module of optical line terminal is at first separated the VLAN encapsulation of service provider network, sends to the encapsulation adaptation module of optical line terminal then;
Step 106, the encapsulation adaptation module of optical line terminal is mapped to different GPON encapsulation port encapsulation to said service supplier's virtual LAN services data flow respectively, and sends to optical network unit;
Step 107, after said optical network unit was received, the encapsulation adaptation module of optical network unit was separated the G-PON Encapsulation Mode of said business data flow;
Step 108, optical network unit sends to above-mentioned one or more user according to the destination address in the said business data flow.
As shown in Figure 2, during each module in the Fig. 1 that flows through of application example business datum method for stream processing sketch map of the present invention, business data flow, each module is accomplished the processing to business data flow:
Wherein, up direction is as shown in Figure 3, and application example up direction business data flow handling process of the present invention comprises the steps:
Step 301; After optical network unit receives user's uplink business data stream; The classification of transaction module of optical network unit is classified to a plurality of user service data streams of user side; The possible mode of classifying is for according to user's physical port number, and the port of user side possibly be various forms such as ADSL (Asymmetric Digital Subscriber Line, asymmetrical digital user line), SHDSL (Single-pair High-speed Digital Subscriber Line; Single to highspeed user's digital circuit), VDSL (Very high bit-rate Digital Subscriber Line; Very high speed digital subscriber lines), possibly need to add the label of VLAN in the classified data packages, this label comprises VLAN ID and priority tag; The emphasis of this step is that a plurality of users share a professional classification, and as shown in Figure 2, the business data flow of user port 1 and user port 2 is classified as two kinds of business data flows: professional 1 and professional 2;
Step 302; The encapsulation adaptation module of optical network unit is fitted to a GPON encapsulation port encapsulation to the sorted same type of business data flow of a plurality of users; The different service types data flow is fitted to other GPON encapsulation port encapsulation, promptly uses the logical channel of GPON encapsulation port as different kinds of business, as shown in Figure 2; Business data flow 1 is encapsulated in the GPON encapsulation port 1, sends to optical line terminal then;
Step 303, the encapsulation adaptation module of optical line terminal recovers packed same line of business data flow from the GPON encapsulation port; The business datum stream format that takes out is the Ethernet bag of GPON encapsulation port before adaptive on optical network unit, and this Ethernet bag possibly comprise the virtual local area network tags of user side, does not perhaps have label; In Fig. 2, optical line terminal at first becomes the Ethernet data bag to the data packet recovery of GPON encapsulation format after receiving the business data flow that GPON encapsulation port 1 sends;
Step 304, the classification of transaction module of optical line terminal is mapped to different service provider's VLAN encapsulation to the data flow of different business as required, and sends to the upper layer network equipment that optical line terminal connects; As shown in Figure 2, the business data flow of GPON encapsulation port 1 has been packaged into service supplier's VLAN x, and the business data flow of GPON encapsulation port 2 has been packaged into service supplier's VLAN y, and data flow is sent to upper layer network equipment then.
The upper layer network device processes is also sent downlink service data stream, and wherein, down direction is as shown in Figure 4, and application example down direction business data flow handling process of the present invention comprises the steps:
Step 401; After optical line terminal receives the downlink service data stream that upper layer network equipment sends; The classification of transaction module of optical line terminal is at first separated the VLAN encapsulation of service provider network, sends to the encapsulation adaptation module of optical line terminal then;
Step 402, the encapsulation adaptation module of optical line terminal is mapped to different GPON encapsulation port encapsulation to each service supplier's virtual LAN services of receiving respectively, and packet is sent to optical network unit through the optical fiber connection;
Step 403, optical network unit receive from optical line terminal send professional the time, its encapsulation adaptation module separate G-PON Encapsulation Mode;
Step 404, optical network unit according in the business data flow destination address send to the user.
Scheme according to the invention is not restricted to listed utilization in specification and the execution mode.Under technology of the present invention, the those of ordinary skill in field, can make various corresponding changes and distortion, and all these corresponding changes and distortion all belong to the protection range of claim of the present invention according to the present invention.
Claims (9)
1. the method that multi-service is distinguished in the Gigabit Passive Optical Network system is characterized in that, comprises the steps:
(1) after optical network unit receives the uplink business data stream from one or more users of user side; Said data flow is classified by the type of service under it; Be fitted to different Gigabit Passive Optical Network GPON encapsulation port encapsulation to said sorted different kinds of business data flow then, send to optical line terminal;
(2) after said optical line terminal is received; From said GPON encapsulation port, recover packed said different kinds of business data flow; Be mapped to the VLAN encapsulation of different service providers to said different kinds of business data flow as required, to realize that multi-service is distinguished in the said Gigabit Passive Optical Network system.
2. method according to claim 1 is characterized in that, said optical line terminal sends to the upper layer network equipment that optical line terminal connects after being mapped to different service provider's VLAN encapsulation to said different kinds of business data flow as required.
3. like the said method of claim 2, it is characterized in that, said upper layer network device processes and send downlink service data stream after, comprise the steps:
(a) after said optical line terminal is received the downlink service data stream of said upper layer network equipment transmission; At first separate service provider's VLAN encapsulation; Be mapped to different GPON encapsulation port encapsulation to each service provider's virtual LAN services data flow respectively then, and send to optical network unit;
(b) after said optical network unit is received, separate the G-PON Encapsulation Mode of said business data flow, send to above-mentioned one or more user according to the destination address in the said business data flow then.
4. method according to claim 1; It is characterized in that; In the step (1); Classification of transaction module by said optical network unit is classified by the type of service under it to said data flow, and the encapsulation adaptation module by said optical network unit is fitted to different Gigabit Passive Optical Network GPON encapsulation port to said sorted different kinds of business data flow then.
5. like the said method of claim 4, it is characterized in that the mode that the classification of transaction module of said optical network unit is classified is according to user's physical port number.
6. like the said method of claim 4, it is characterized in that the classification of transaction module of said optical network unit is to the label of the packet interpolation VLAN of said sorted data flow, this label comprises VLAN ID and priority tag.
7. method according to claim 1; It is characterized in that; In the step (2); Encapsulation adaptation module by said optical line terminal recovers packed said different kinds of business data flow from said GPON encapsulation port, be mapped to different service provider's VLAN encapsulation to said different kinds of business data flow as required by the classification of transaction module of said optical line terminal.
8. like the said method of claim 3; It is characterized in that; In the step (a); Separate its service provider's VLAN encapsulation by the classification of transaction module of said optical line terminal, the encapsulation adaptation module by said optical line terminal is mapped to different GPON encapsulation port encapsulation to said service provider virtual LAN services data flow respectively then.
9. like the said method of claim 3; It is characterized in that; In the step (b); Separate the G-PON Encapsulation Mode of said business data flow by the encapsulation adaptation module of said optical network unit, send to above-mentioned one or more user by said optical network unit according to the destination address in the said business data flow then.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710163417A CN101420414B (en) | 2007-10-22 | 2007-10-22 | Method for differentiating multiple services in Gbit passive optical network system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710163417A CN101420414B (en) | 2007-10-22 | 2007-10-22 | Method for differentiating multiple services in Gbit passive optical network system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101420414A CN101420414A (en) | 2009-04-29 |
| CN101420414B true CN101420414B (en) | 2012-09-26 |
Family
ID=40631024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710163417A Expired - Fee Related CN101420414B (en) | 2007-10-22 | 2007-10-22 | Method for differentiating multiple services in Gbit passive optical network system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101420414B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2763355B1 (en) * | 2012-02-17 | 2016-09-14 | Huawei Technologies Co., Ltd. | Method for transmitting data in passive optical network, user-side equipment, and system |
| CN111654765B (en) * | 2014-05-13 | 2023-02-24 | 中兴通讯股份有限公司 | Business service processing method and device and optical line terminal |
| CN105592371A (en) * | 2014-10-20 | 2016-05-18 | 中兴通讯股份有限公司 | Method, device and system for automatically classifying services in GPON (Gigabit Passive Optical Network) system |
| CN109743646A (en) * | 2019-03-12 | 2019-05-10 | 深圳市瑞吉联通信科技有限公司 | A kind of delivery method and device of broadband connection data flow |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101005445A (en) * | 2006-01-18 | 2007-07-25 | 华为技术有限公司 | Method for mapping service flow to service transmission path and optical network terminal |
-
2007
- 2007-10-22 CN CN200710163417A patent/CN101420414B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101005445A (en) * | 2006-01-18 | 2007-07-25 | 华为技术有限公司 | Method for mapping service flow to service transmission path and optical network terminal |
Non-Patent Citations (2)
| Title |
|---|
| Glen Kramer et al.Supporting differentiated classes of service in Ethernet passive optical networks.《Journal of Optical Networking》.2002,280-299. * |
| 邹君妮 等.基于EPON的宽带接入网的QoS体系结构与实现机制研究.《中国博士学位论文全文数据库》.2007,I136-31. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101420414A (en) | 2009-04-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100505588C (en) | An optical fibre transmission system and implementing method of optical fibre transmission thereof and terminal processing device | |
| US6519255B1 (en) | Universal optical network unit for use in narrowband and broadband access networks | |
| EP2019519B1 (en) | Method for addressing ethernet streams with a structured GPON GEM Port ID | |
| CN100555949C (en) | A kind of to GPON system configuration Native VLAN and processing Ethernet method of message | |
| US11477549B2 (en) | Transmission network system, data switching and transmission method, apparatus and equipment | |
| EP2348691B1 (en) | Service transmission method and service transmission apparatus | |
| CN100531191C (en) | Method and system for realizing service in transfer layer of NGN network | |
| US20020085563A1 (en) | Packet processing method and engine | |
| EP2056573A1 (en) | Integrated cut-in system and method and integrated cut-in module | |
| CN101499997B (en) | Apparatus for multi-path low speed service multiplexing and demultiplexing, and method therefor | |
| CN101188502A (en) | Ethernet passive optical network transfer unit with telecom E1 interface | |
| US20130230324A1 (en) | Passive Optical Network Digital Subscriber Line Convergence Architecture | |
| WO2010086808A1 (en) | Methods and systems for transmitting data in scalable passive optical networks | |
| CN101425943B (en) | Method for uplink QoS guarantee in G bit passive optical network system | |
| CN1863013B (en) | Network terminal apparatus in passive light network and data processing method thereof | |
| CN101420414B (en) | Method for differentiating multiple services in Gbit passive optical network system | |
| CN101425944B (en) | Method for service bearing in G bit passive optical network system | |
| KR101348121B1 (en) | Integrated PON MAC matching apparatus for providing voice, data and video stream services, and Integrated PON ONT(ONU) apparatus using that | |
| EP1237309B1 (en) | Fiber optic communication system | |
| CN101729935A (en) | Service data transmission methods and devices | |
| CN101072141A (en) | Ethernet accessing converting device, multiplexing gateway device and accessing converting method | |
| CN101489154B (en) | Method, system and device for passive optical network connection processing | |
| CN101420353B (en) | Method for supporting virtual private LAN service in Gbit passive optical network system | |
| US20020089715A1 (en) | Fiber optic communication method | |
| CN201986096U (en) | Terminal equipment ONU for EPON system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120926 Termination date: 20171022 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |