CN102098166A - Gigabit passive optical network system and controllable multicast implementation method thereof - Google Patents
Gigabit passive optical network system and controllable multicast implementation method thereof Download PDFInfo
- Publication number
- CN102098166A CN102098166A CN2009102469709A CN200910246970A CN102098166A CN 102098166 A CN102098166 A CN 102098166A CN 2009102469709 A CN2009102469709 A CN 2009102469709A CN 200910246970 A CN200910246970 A CN 200910246970A CN 102098166 A CN102098166 A CN 102098166A
- Authority
- CN
- China
- Prior art keywords
- multicast
- onu
- user
- olt
- gemport
- 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.)
- Pending
Links
Images
Classifications
-
- 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
-
- 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
- H04Q11/0071—Provisions for the electrical-optical layer interface
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer And Data Communications (AREA)
- Information Transfer Between Computers (AREA)
- Small-Scale Networks (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The invention discloses a controllable multicast implementation method for a gigabit passive optical network (GPON) system, which comprises the following steps of: configuring and storing user port multicast authority information on an optical line terminal (OLT), establishing a mapping relationship between a user port on an optical network unit (ONU) and a Gemport, and transmitting the mapping relationship to the ONU by the OLT; when the ONU receives a user request message, searching the corresponding Gemport in the mapping relationship according to the user port, and transmitting the user request message to the OLT through the Gemport; and searching the corresponding user port in the mapping relationship by the OLT through the Gemport, and when the user access is judged to be allowed according to the user port multicast authority information, transmitting the multicast membrane information to the ONU by the OLT, and forwarding the multicast data by the ONU according to the multicast membrane information configuration. Correspondingly, the invention also provides a GPON system. The method and the system support centralized controllable multicast and improve the service security.
Description
Technical field
The present invention relates to a kind of gigabit passive optical network (Gigabit Passive Optical Network, GPON), especially a kind of Gbit passive optical network system and controllable multicast implementation method thereof.
Background technology
GPON is a kind of network configuration that a little arrives multiple spot that adopts, and adopts the passive fiber transmission means, and (GPON Encapsulation Method, GEM) frame encapsulation is a kind of broadband access technology that multiple integrated service can be provided based on G-PON Encapsulation Mode.
GPON is by optical line terminal (the Optical Line Terminal of local side apparatus, OLT), the optical network unit of ustomer premises access equipment (Optical Network Unit, ONU) and the Optical Distribution Network of connection line (Optical Distribute Network, ODN) three parts are formed.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 sign (Gemport) is a logical channel identifier of GPON service bearer.Gemport has multiple mapping mode, can be respectively and user port, VLAN (Virtual LocalAreaNetwork, VLAN) sign or the association of Ethernet priority.An ONU can support to dispose simultaneously one or more Gemport, wherein Gemport comprises two types of clean culture Gemport and multicast Gemport, and the type of each Gemport among one or more Gemport that ONU disposes simultaneously can be clean culture Gemport or multicast Gemport; The multicast Gemport of OLT can be received by all ONU under the PON mouth, the up multicast protocol message of ONU identifies by clean culture Gemport, the descending multicast data message of OLT adopts SCB (single copy broadcast) mode to send to all ONU by multicast Gemport, 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 the multicast authority control table issues in advance, be that OLT passes through Optical Network Terminal (OpticalNetwork Terminal, ONT) management control interface (ONT Management and ControlInterface, OMCI) the multicast authority control table multicast channel of user capture (allow tabulation) of ONU equipment is set, and be associated with on the user port, carry out business configuration.OLT is issued to ONU with the multicast authority control table, and ONU is configured to the multicast authority control information in the dynamic access control tabulation.(Internet Group Management Protocol IGMP) intercepts (Snooping) to ONU operation IGMP, controls in the tabulation in dynamic access when the multicast group of user's request, and ONU allows the user to add multicast group; Otherwise the ONU refusing user's adds multicast group, thereby reaches the purpose of filtering illegal multicast packet.
Wherein, the multicast authority control table is the multicast channel tabulation at this user capture of permission of each user's setting.
The defective of existing this control mode is that multicast authority control information table is distributed on the ONU equipment, and ONU distributed treatment agreement is brought managerial complexity, and service security is difficult for guaranteeing.
Summary of the invention
The technical problem to be solved in the present invention has provided a kind of Gbit passive optical network system and controllable multicast implementation method thereof, has improved service security.
In order to address the above problem, the invention provides a kind of Gbit passive optical network system controllable multicast implementation method, comprising:
Optical line terminal (OLT) is gone up configuration and is preserved user port multicast authority information, set up the mapping relations between user port on the optical network unit (ONU) and the Gigabit passive optical network packaging mode encapsulation port sign (Gemport), described OLT is issued to ONU with described mapping relations;
When described ONU receives user's request message, in described mapping relations, find corresponding Gemport according to user port, by described Gemport described user's request message is sent to described OLT;
Described OLT arrives corresponding user port by described Gemport in described mapping relationship searching, and be judged as when allowing this user capture according to described user port multicast authority information, described OLT is issued to described ONU with multicast member information, ONU is according to multicast member information configuration, multicast data forwarding.
Further, said method also has following characteristics:
The mapping relations of setting up between described user port and the described Gemport are mapping relations one to one.
Further, said method also has following characteristics:
Described user's request message is that IGMP request message or multicast listener are found message.
Further, said method also has following characteristics:
Described ONU is according to the multicast member information configuration, and multicast data forwarding is specially:
Described ONU searches the user port of Gemport correspondence after receiving the multicast member information that OLT issues, and is that this user port is created two layers of forwarding entry of user side, multicast data forwarding.
Further, said method also has following characteristics:
Described OLT is in the multicast operation template of management entity interface, utilize static access control list attribute, dynamically issue multicast member information to described ONU, wherein, described OLT by the multicast operation template with the multicast member information configuration that issues described Gemport in correspondence.
In order to address the above problem, the present invention also provides a kind of Gbit passive optical network system, comprises optical line terminal (OLT) and optical network unit (ONU), it is characterized in that:
Described OLT, be used for configuration and preserve user port multicast authority information, set up the mapping relations between user port on the described ONU and the Gigabit passive optical network packaging mode encapsulation port sign (Gemport), described OLT is issued to ONU with described mapping relations; And after receiving described user's request message, arrive corresponding user port by described Gemport in described mapping relationship searching, and be judged as when allowing this user capture according to described user port multicast authority information, multicast member information is issued to described ONU;
Described ONU is used to preserve described mapping relations, and receives user's request message as described ONU, finds corresponding Gemport according to user port in described mapping relations, by described Gemport described user's request message is sent to described OLT; And according to described multicast member information configuration, multicast data forwarding.
Further, said system also has following characteristics:
The mapping relations of setting up between described user port and the described Gemport are mapping relations one to one.
Further, said system also has following characteristics:
Described user's request message is that IGMP request message or multicast listener are found message.
Further, said system also has following characteristics:
Described ONU is according to the multicast member information configuration, and multicast data forwarding is specially:
Described ONU searches the user port of Gemport correspondence after receiving the multicast member information that OLT issues, and is that this user port is created two layers of forwarding entry of user side, multicast data forwarding.
Further, said system also has following characteristics:
Described OLT utilizes static access control list attribute in the multicast operation template of management entity interface, dynamically issue multicast member information to described ONU; Wherein, described OLT by the multicast operation template with the multicast member information configuration that issues described Gemport in correspondence.
Said method and system expand the multicast control mode of standard G.984.4, support centralized controllable multicast, greatly facilitate and carry out the IPTV controllable multicast service on GPON, have improved service security.In another embodiment, carried out improving the control of support multicast preview has been expanded in the multicast authority control table of ONU, thereby a complete controllable multicast solution is provided.And the multicast control interface that can realize the G984.4 standard can't be realized the problem of GPON ONU multicast preview function, has carried out perfect to the multicast control method of standard.
Description of drawings
Fig. 1 is the flow chart of multicast control implementation method in the embodiment of the invention.
Embodiment
The multicast control interface of G984.4 standard definition is based on the model of distributed controllable multicast, requires ONU to have stronger protocol processes ability, and control of authority point (being ONU) is near the user, and fail safe is difficult for guaranteeing.The invention provides a kind of centralized realizing controllable multicasting of carrying out on OLT, perfect multicast service function has improved service security.
Centralized controllable multicast thought is to be concentrated by OLT to carry out multicast user permission management and agreement control, identification ONU user profile on OLT, carry out agreement and focus on, and the configuration messages that will create and delete multicast member information dynamically is issued on the ONU transmitting multicast data of control ONU.ONU does not need to preserve business datum, does not need complicated protocol processes.
Describe the specific embodiment of the present invention in detail below in conjunction with accompanying drawing.
Centralized controllable multicast implementation method in the present embodiment is to be gone up to concentrate by OLT to carry out multicast user permission management and agreement control, identification ONU user profile on OLT, carrying out agreement focuses on, and the configuration messages that will create and delete multicast member information dynamically is issued on the ONU transmitting multicast data of control ONU.And do not need to preserve business datum on the ONU, do not need complicated protocol processes.
Method in the present embodiment comprises:
User port multicast authority information is also preserved in the last configuration of OLT, sets up user port on the ONU and the mapping relations between the Gemport, and OLT is issued to ONU with these mapping relations;
When ONU receives user's request message, in mapping relations, find corresponding Gemport according to user port, by Gemport user's request message is sent to OLT;
OLT arrives corresponding user port by Gemport in mapping relationship searching, and judge according to user port multicast authority information, if allow this user capture, described OLT is issued to ONU with multicast member information, and ONU realizes transmitting multicast data according to multicast member information.
Figure 1 shows that the flow chart of above-mentioned multicast control implementation method in the embodiment of the invention, specifically comprise the steps:
Step 110: setting up user port on the ONU and the mapping relations between the Gemport on the OLT, the OLT configuration is also preserved user port multicast authority information, and the mapping relations between this user port and the Gemport are issued to ONU, ONU preserves the mapping relations between this user port and the Gemport;
Owing to set up mapping relations between user port and the Gemport, thereby user's request message that ONU is received can be mapped on the corresponding Gemport;
Preferably, between user port and Gemport, set up mapping relations one to one;
In subsequent treatment, OLT can carry out user multicast power and judge according to the IGMP request message of Gemport differentiation from the different user port like this.
Wherein, for existing operating such, OLT is provided with the multicast authority control table of ONU equipment by the OMCI interface, preserves user port multicast authority information.
Step 120: the request message that receives the user as ONU from user port, ONU is according to the Gemport of its preservation and the mapping relationship searching between the user port Gemport to this user port correspondence, by this Gemport user's request message sent to OLT;
Wherein, for IPv4, user's request message can be the IGMP request message; For IPv6, user's request message can be that multicast listener is found (Multicast Listener Discovery, MLD) message.
After step 130:OLT receives user's request message, search corresponding user port number according to Gemport, and according to the user port multicast authority information of configuration user's multicast authority is judged, when multicast authority when allowing user capture, execution in step 140; Otherwise, finish this user's visit;
Step 140:OLT issues multicast member information to ONU;
In the present embodiment, for further with the existing standard compatibility, OLT is at the management entity of standard definition (Management Entity G.984.4, ME) multicast operation template (the Multicast operationsprofile of interface, MOP) in, OLT controls the multicast member information setting in the tabulation (Staticaccess control list table) in static access, and utilizes static access control list attribute, and OLT dynamically issues multicast member information to ONU.Wherein, OLT by MOP with the multicast member information configuration that issues Gemport in correspondence.
Wherein, multicast member information comprises multicast group and multicast port tabulation, the corresponding multicast channel of multicast group.
G.984.4, above-mentioned static access control tabulation is being used to configuring static multicast member information in the standard, and the present invention expands its application mode, does not change its original implication.Each Field Definition of static access control tabulation is as follows:
0-table index (2 byte)
1-GEM port-mark (2 byte)
2-VLAN number (2 byte)
3-source IP address (4 byte)
The initial purpose IP of 4-address (4 byte)
5-ends purpose IP address (4 byte)
6-organizes bandwidth (4 byte)
7-keeps (2bytes)
ONU creates the Layer 2 Multicast forwarding entry according to the mapping relations of Gemport and user port, thus the forwarding of control multicast data flow.
Further, when the user left multicast group, ONU found corresponding Gemport according to user port in mapping relations, by Gemport notice OLT; OLT stops forwarding multicast packet by identical OMCI interface control ONU deletion multicast forwarding list item.
Based on above-mentioned implementation method, present embodiment also provides a kind of Gbit passive optical network system, comprises optical line terminal (OLT) and optical network unit (ONU); Wherein,
OLT is used for configuration and preserves user port multicast authority information, sets up user port and Gigabit passive optical network packaging mode encapsulation port on the ONU and identifies mapping relations between (Gemport), and OLT is issued to ONU with mapping relations; And after receiving user's request message, by Gemport in mapping relationship searching to corresponding user port, and be judged as when allowing this user capture according to user port multicast authority information, multicast member information is issued to ONU;
ONU is used to preserve mapping relations, and receives user's request message as ONU, finds corresponding Gemport according to user port in mapping relations, by Gemport user's request message is sent to OLT; And according to multicast member information configuration, multicast data forwarding.
Further, the mapping relations of setting up between user port and the Gemport can be mapping relations one to one.
User's request message is that IGMP request message or multicast listener are found message.
ONU is according to the multicast member information configuration, and multicast data forwarding is specially:
ONU searches the user port of Gemport correspondence after receiving the multicast member information that OLT issues, and is that this user port is created two layers of forwarding entry of user side, multicast data forwarding.
OLT utilizes static access control list attribute in the multicast operation template of management entity interface, dynamically issue multicast member information to ONU; Wherein, OLT by the multicast operation template with the multicast member information configuration that issues described Gemport in correspondence.
Use example with one below and introduce a specific embodiment of the present invention.
Should be with in the example, establishing M-VLAN is 100, multicast ip address is 224.1.1.1.
A is setting up the mapping relations between the user port 1 and Gemport 1 on the ONU, and is being issued to ONU on the OLT;
B when ONU receives the IGMP request message that group address is 224.1.1.1 on user port 1, sends to OLT by Gemport 1 with this IGMP request message;
C, OLT search the multicast authority of the user port 1 of Gemport1 correspondence, issue the multicast member information of 224.1.1.1 to Gemport1 by the MOP interface;
D, ONU receive multicast member information, create the Layer 2 Multicast forwarding entry of the user port 1 of Gemport1 correspondence.
(vlan＝100，mac＝01:00:5e:01:01:01，port＝1)
Though the preferred embodiments of the present invention and other embodiment are illustrated and describe, clearly the present invention is unrestricted.Under the condition that does not depart from by the determined the spirit and scope of the present invention of appended claims book, those skilled in the art will can take into account many corrections, replacing, variation, substitute and equivalent content.
Claims (10)
1. Gbit passive optical network system controllable multicast implementation method comprises:
Optical line terminal (OLT) is gone up configuration and is preserved user port multicast authority information, set up the mapping relations between user port on the optical network unit (ONU) and the Gigabit passive optical network packaging mode encapsulation port sign (Gemport), described OLT is issued to ONU with described mapping relations;
When described ONU receives user's request message, in described mapping relations, find corresponding Gemport according to user port, by described Gemport described user's request message is sent to described OLT;
Described OLT arrives corresponding user port by described Gemport in described mapping relationship searching, and be judged as when allowing this user capture according to described user port multicast authority information, described OLT is issued to described ONU with multicast member information, ONU is according to multicast member information configuration, multicast data forwarding.
2. implementation method as claimed in claim 1 is characterized in that:
The mapping relations of setting up between described user port and the described Gemport are mapping relations one to one.
3. implementation method as claimed in claim 1 is characterized in that:
Described user's request message is that IGMP request message or multicast listener are found message.
4. implementation method as claimed in claim 1 is characterized in that described ONU is according to the multicast member information configuration, and multicast data forwarding is specially:
Described ONU searches the user port of Gemport correspondence after receiving the multicast member information that OLT issues, and is that this user port is created two layers of forwarding entry of user side, multicast data forwarding.
5. as claim 1 or 2 or 3 or 4 described implementation methods, it is characterized in that:
Described OLT is in the multicast operation template of management entity interface, utilize static access control list attribute, dynamically issue multicast member information to described ONU, wherein, described OLT by the multicast operation template with the multicast member information configuration that issues described Gemport in correspondence.
6. a Gbit passive optical network system comprises optical line terminal (OLT) and optical network unit (ONU), it is characterized in that:
Described OLT, be used for configuration and preserve user port multicast authority information, set up the mapping relations between user port on the described ONU and the Gigabit passive optical network packaging mode encapsulation port sign (Gemport), described OLT is issued to ONU with described mapping relations; And after receiving described user's request message, arrive corresponding user port by described Gemport in described mapping relationship searching, and be judged as when allowing this user capture according to described user port multicast authority information, multicast member information is issued to described ONU;
Described ONU is used to preserve described mapping relations, and receives user's request message as described ONU, finds corresponding Gemport according to user port in described mapping relations, by described Gemport described user's request message is sent to described OLT; And according to described multicast member information configuration, multicast data forwarding.
7. Gbit passive optical network system as claimed in claim 6 is characterized in that:
The mapping relations of setting up between described user port and the described Gemport are mapping relations one to one.
8. Gbit passive optical network system as claimed in claim 6 is characterized in that:
Described user's request message is that IGMP request message or multicast listener are found message.
9. Gbit passive optical network system as claimed in claim 6 is characterized in that: described ONU is according to the multicast member information configuration, and multicast data forwarding is specially:
Described ONU searches the user port of Gemport correspondence after receiving the multicast member information that OLT issues, and is that this user port is created two layers of forwarding entry of user side, multicast data forwarding.
10. as claim 6 or 7 or 8 or 9 described implementation methods, it is characterized in that:
Described OLT utilizes static access control list attribute in the multicast operation template of management entity interface, dynamically issue multicast member information to described ONU; Wherein, described OLT by the multicast operation template with the multicast member information configuration that issues described Gemport in correspondence.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102469709A CN102098166A (en) | 2009-12-14 | 2009-12-14 | Gigabit passive optical network system and controllable multicast implementation method thereof |
| PCT/CN2010/073608 WO2010148935A1 (en) | 2009-12-14 | 2010-06-07 | Method for realizing controllable multicast, optical line terminal (olt) and gigabit passive optical network (gpon) system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102469709A CN102098166A (en) | 2009-12-14 | 2009-12-14 | Gigabit passive optical network system and controllable multicast implementation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102098166A true CN102098166A (en) | 2011-06-15 |
Family
ID=43385985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102469709A Pending CN102098166A (en) | 2009-12-14 | 2009-12-14 | Gigabit passive optical network system and controllable multicast implementation method thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102098166A (en) |
| WO (1) | WO2010148935A1 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103501472A (en) * | 2013-10-24 | 2014-01-08 | 烽火通信科技股份有限公司 | Passive optical network controllable multicast system and implementing method |
| 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 |
| CN104065550A (en) * | 2013-03-19 | 2014-09-24 | 中兴通讯股份有限公司 | Method for mapping between optical interface logic link and copper cable interface and device thereof |
| CN104104523A (en) * | 2013-04-07 | 2014-10-15 | 中兴通讯股份有限公司 | Method of transmitting multicast service between optical fiber and copper cable, device and system |
| CN105119826A (en) * | 2015-07-08 | 2015-12-02 | 上海斐讯数据通信技术有限公司 | Multicast group management method and system based on separation of forwarding and control |
| CN111491221A (en) * | 2020-03-26 | 2020-08-04 | 烽火通信科技股份有限公司 | vO L T multicast method and O L T equipment |
| CN111953413A (en) * | 2020-08-14 | 2020-11-17 | 上海欣诺通信技术股份有限公司 | Optical line terminal OLT system |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101051923A (en) * | 2007-04-05 | 2007-10-10 | 中兴通讯股份有限公司 | Multicast control method in ether passive optical network |
| CN101409628A (en) * | 2007-10-10 | 2009-04-15 | 中兴通讯股份有限公司 | Method for implementing multicast control in point-to-multi-point optical network |
| CN101150425B (en) * | 2007-11-15 | 2010-10-13 | 中国电信股份有限公司 | Right control method for multicast service and Ethernet passive optical network system |
| CN101174909B (en) * | 2007-11-16 | 2010-08-18 | 华为技术有限公司 | Control method, equipment and system for passive optical network multicast access |
-
2009
- 2009-12-14 CN CN2009102469709A patent/CN102098166A/en active Pending
-
2010
- 2010-06-07 WO PCT/CN2010/073608 patent/WO2010148935A1/en active Application Filing
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104065550A (en) * | 2013-03-19 | 2014-09-24 | 中兴通讯股份有限公司 | Method for mapping between optical interface logic link and copper cable interface and device thereof |
| WO2014146397A1 (en) * | 2013-03-19 | 2014-09-25 | 中兴通讯股份有限公司 | Method and apparatus for mapping optical interface logical links and copper cable ports |
| CN104104523A (en) * | 2013-04-07 | 2014-10-15 | 中兴通讯股份有限公司 | Method of transmitting multicast service between optical fiber and copper cable, device and system |
| CN103501472A (en) * | 2013-10-24 | 2014-01-08 | 烽火通信科技股份有限公司 | Passive optical network controllable multicast system and implementing method |
| CN103501472B (en) * | 2013-10-24 | 2016-05-25 | 烽火通信科技股份有限公司 | EPON controllable multicast system and implementation method |
| 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 |
| CN105119826A (en) * | 2015-07-08 | 2015-12-02 | 上海斐讯数据通信技术有限公司 | Multicast group management method and system based on separation of forwarding and control |
| CN105119826B (en) * | 2015-07-08 | 2018-06-29 | 上海斐讯数据通信技术有限公司 | A kind of multicast group management method and system based on forwarding and control separation |
| CN111491221A (en) * | 2020-03-26 | 2020-08-04 | 烽火通信科技股份有限公司 | vO L T multicast method and O L T equipment |
| CN111491221B (en) * | 2020-03-26 | 2021-11-23 | 烽火通信科技股份有限公司 | vOLT multicast method and OLT equipment |
| CN111953413A (en) * | 2020-08-14 | 2020-11-17 | 上海欣诺通信技术股份有限公司 | Optical line terminal OLT system |
| CN111953413B (en) * | 2020-08-14 | 2021-09-17 | 上海欣诺通信技术股份有限公司 | Optical line terminal OLT system |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2010148935A1 (en) | 2010-12-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2139157B1 (en) | Multicast control method in ethernet passive optical network | |
| JP4398317B2 (en) | Multicast transfer method and frame processing method in GEM mode of gigabit passive optical network | |
| EP1976197B9 (en) | A multicast flow control method,device and system in passive optical network | |
| EP2355374B1 (en) | Method, system and optical line terminal for message transmission in an optical communication system | |
| US8280055B2 (en) | Optical network system and method of changing encryption keys | |
| CN102098166A (en) | Gigabit passive optical network system and controllable multicast implementation method thereof | |
| US8711856B2 (en) | Method and device for processing broadcast packets/multicast control messages | |
| JP2004343243A (en) | Multicast communication system and station side device in pon system | |
| CN101119220B (en) | Gb passive optical network based multicast service implementing method and apparatus | |
| EP2320598B1 (en) | Multicast processing method and apparatus | |
| CN102098165B (en) | Method and system for multicast preview control of Gigabit passive optical network system | |
| CN101047444B (en) | Method for optical network unit depart from multicast set in passive optical network system | |
| CN101399820A (en) | Multicast service control method for Gbit Ethernet passive network system | |
| KR100617725B1 (en) | Multicast transmission apparatus and method in gem mode for gigabit-capable passive optical network | |
| EP2239892B1 (en) | Method and device for realizing a centralized control on iptv service | |
| WO2014121600A1 (en) | Downlink message transmitting method in photo-electric mixed system and optical coaxial unit | |
| KR20050008443A (en) | Multicast Transmission Method in GEM mode and Frame Handling Method for it | |
| CN103095472B (en) | A kind of method that travelling across VLAN multicast is realized under PON system | |
| CN103200470A (en) | Issuing device and method of Gb passive optical network system multicasting service | |
| CN104468369A (en) | EPON terminal accessing automatic sensing method and system based on SDN technology | |
| KR101139559B1 (en) | Broadcasting apparatus and method based internet protocol in shared network | |
| Chuanqing et al. | Discuss of multicast mechanism in EPON | |
| Xiyang et al. | Research on IPTV Service in FTTx |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20110615 |