CN101132393B - Stream media service dynamic load method - Google Patents
Stream media service dynamic load method Download PDFInfo
- Publication number
- CN101132393B CN101132393B CN200610106932XA CN200610106932A CN101132393B CN 101132393 B CN101132393 B CN 101132393B CN 200610106932X A CN200610106932X A CN 200610106932XA CN 200610106932 A CN200610106932 A CN 200610106932A CN 101132393 B CN101132393 B CN 101132393B
- Authority
- CN
- China
- Prior art keywords
- media server
- ems
- edge
- cms
- program
- 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.)
- Active
Links
Images
Landscapes
- Computer And Data Communications (AREA)
- Information Transfer Between Computers (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
This invention discloses a dynamic loading method for stream media service, which divides uers into packets in terms of regions configured with prior access stream media servers, and the system finds out a usable edge stream media server with the least load according to the user packet where terminal users locate to distribute it to a user for access, if it does not find usable edge stream media server, it uses a central stream media server to provide service to the terminal, which can realize cluster load of the server and terminal users can carry out stream media access on the server with the lightest load.
Description
Technical field
The present invention relates to a kind of streaming media service technology, relate to a kind of stream media service dynamic load method specifically.
Background technology
The service quality of weighing streaming media service is the speed and the playing fluency that respond.Along with the increase of Streaming Media number of users, the separate unit server can't satisfy the needs of more multithread media play; Simple many cumulative effects can not realize the smooth expansion of system, cause the large scale system application difficult.Traditional streaming media service service adopts the streaming media server centralized configuration to deposit, last from distance away from the user, though have higher first line of a couplet network egress, because the restriction of backbone network total bandwidth and remote network delay, cause the service of long-range flow process body can not in time respond playing request, and play not smooth.
In some stream media service systems, also use the marginal flow media server to provide service as the terminal use at network edge, but can not carry out the load balance of service pressure between each marginal flow media server, pressure is unbalanced between each marginal flow medium, has wasted the resource of whole system.
Along with the increase of network user's amount and the increase of network user's utilized bandwidth requirement, the pressure of backbone network increases day by day, the more and more discontented pedal system requirement of the long-distance transmissions of Streaming Media.Progressively ripe perfect along with the development of stream media technology and home entertainment center, people to the streaming media playing demand in quick increase.Along with increasing of Streaming Media user, backbone network increases day by day.Need to adopt a kind of cluster streaming media server dynamic load, alleviate backbone network pressure, respond the stream media technology of user's request fast.Aspect system management, can realize the smooth expansion of system, the easy scheduling of carrying out the entire system resource.This technology can be applicable in the load dispatch of towards the public streaming media on demand such as IPTV of terminal use's enormous amount, live broadcast system.
Summary of the invention
Purpose of the present invention just is to provide a kind of stream media service dynamic load method of better effects if.
Purpose of the present invention can realize by following measure:
The present invention includes center media server (CMS) and edge media server (EMS), its method is as follows:
(1), obtains the zone at current terminal use place and the program (mpegid) of current program request;
(2), obtain the access strategy table (strategylist) of the corresponding visit edge media server (EMS) in the zone at user place, with the descending sort of the edge media server (EMS) in the access strategy table according to network utilization ascending order and access privileges;
(3), obtain program file tabulation (mpeglist) on each edge media server (EMS) successively according to the order after the ordering in the access strategy table;
(4) if the program of terminal use's program request (mpegid) exists in the program file tabulation (mpeglist) of edge media server (EMS), whether the present load of then judging edge media server (EMS) surpasses the maximum network utilance (Pmax) that edge media server (EMS) is set, if the maximum network utilance (Pmax) that the present load of edge media server (EMS) surpass to be set, the then state of next edge of table media server (EMS) in the decision plan table; Otherwise use this edge media server (EMS) to provide service as the terminal use;
(5) if in access strategy table (strategylist), find the present load that the edge media of this play-on-demand program server (EMS) and this edge media server (EMS) can be provided not surpass the maximum network utilance (Pmax) that is provided with, then use this edge media server (EMS) to provide service as the terminal use;
(6) if the load of not finding the edge media server (EMS) that can support user's play-on-demand program and this edge media server (EMS) at access strategy table (strategylist) less than the peak use rate (Pmax) that is provided with, begins then to judge whether center media server (CMS) can provide service for the user;
(7), obtain intrasystem center media server (CMS) tabulation (cmslist), and sort from small to large according to the current network utilance;
(8), obtain the program file tabulation (mpeglist) on each center media server (CMS) successively, whether the program of judging user's program request exists in the program file tabulation of center media server (CMS), if program file does not exist, then use next center media server (CMS) to serve, if exist, whether the present load of then judging center media server (CMS) surpasses the maximum network utilance of setting (Pmax), if surpass, then use next center media server (CMS) that service is provided, otherwise, use current center media server (CMS) to provide service to the terminal use;
(9) if all center media server (CMS) all can not provide the required play-on-demand program of user or surpass the maximum network utilance of setting, then point out user's program request failure, otherwise, use one can support the center media server (CMS) of user's program request and network utilization minimum to provide streaming media service as the terminal use.
Load is network utilization (P1) or central processor CPU utilance or user's linking number among the present invention.The zone is terminal use's type or terminal use's location etc. among the present invention.
The present invention is owing to adopt said method, can realize the cluster load of streaming media server, the stream media terminal user is according to the region, can on the lightest streaming media server of load recently, carry out the Streaming Media visit, can integrate the streaming media server resource of whole system, realize the whole network load balancing, guarantee user's smooth program request, alleviate the pressure of backbone network.
Description of drawings
Accompanying drawing is a program flow diagram of the present invention;
Embodiment
The present invention does with detailed description below in conjunction with drawings and Examples:
Embodiment 1
As shown in the figure, the present invention includes center media server (CMS) and edge media server (EMS), its method is as follows:
(1), obtains the zone at current terminal use place and the program (mpegid) of current program request;
(2), obtain the access strategy table (strategylist) of the corresponding visit edge media server (EMS) in the zone at user place, with the descending sort of the edge media server (EMS) in the access strategy table according to network utilization ascending order and access privileges;
(3), obtain program file tabulation (mpeglist) on each edge media server (EMS) successively according to the order after the ordering in the access strategy table;
(4) if the program of terminal use's program request (mpegid) exists in the program file tabulation (mpeglist) of edge media server (EMS), whether the present load of then judging edge media server (EMS) surpasses the maximum network utilance (Pmax) that edge media server (EMS) is set, if the maximum network utilance (Pmax) that the present load of edge media server (EMS) surpass to be set, the then state of next edge of table media server (EMS) in the decision plan table; Otherwise use this edge media server (EMS) to provide service as the terminal use;
(5) if in access strategy table (strategylist), find the present load that the edge media of this play-on-demand program server (EMS) and this edge media server (EMS) can be provided not surpass the maximum network utilance (Pmax) that is provided with, then use this edge media server (EMS) to provide service as the terminal use;
(6) if the load of not finding the edge media server (EMS) that can support user's play-on-demand program and this edge media server (EMS) at access strategy table (strategylist) less than the peak use rate (Pmax) that is provided with, begins then to judge whether center media server (CMS) can provide service for the user;
(7), obtain intrasystem center media server (CMS) tabulation (cmslist), and sort from small to large according to the current network utilance;
(8), obtain the program file tabulation (mpeglist) on each center media server (CMS) successively, whether the program of judging user's program request exists in the program file tabulation of center media server (CMS), if program file does not exist, then use next center media server (CMS) to serve, if exist, whether the present load of then judging center media server (CMS) surpasses the maximum network utilance of setting (Pmax), if surpass, then use next center media server (CMS) that service is provided, otherwise, use current center media server (CMS) to provide service to the terminal use;
(9) if all center media server (CMS) all can not provide the required play-on-demand program of user or surpass the maximum network utilance of setting, then point out user's program request failure, otherwise, use one can support the center media server (CMS) of user's program request and network utilization minimum to provide streaming media service as the terminal use.
Embodiment 2
The present invention includes center media server (CMS) and edge media server (EMS), its method is as follows:
(1), obtains the zone at current terminal use place and the program (mpegid) of current program request;
(2), obtain the access strategy table (strategylist) of the corresponding visit edge media server (EMS) in the zone at user place, with the descending sort of the edge media server (EMS) in the access strategy table according to network utilization ascending order and access privileges;
(3), obtain program file tabulation (mpeglist) on each edge media server (EMS) successively according to the order after the ordering in the access strategy table;
(4) if the program of terminal use's program request (mpegid) exists in the program file tabulation (mpeglist) of edge media server (EMS), whether the present load of then judging edge media server (EMS) surpasses the maximum network utilance (Pmax) that edge media server (EMS) is set, if the maximum network utilance (Pmax) that the present load of edge media server (EMS) surpass to be set, the then state of next edge of table media server (EMS) in the decision plan table; Otherwise use this edge media server (EMS) to provide service as the terminal use;
(5) if in access strategy table (strategylist), find the present load that the edge media of this play-on-demand program server (EMS) and this edge media server (EMS) can be provided not surpass the maximum network utilance (Pmax) that is provided with, then use this edge media server (EMS) to provide service as the terminal use;
(6) if the load of not finding the edge media server (EMS) that can support user's play-on-demand program and this edge media server (EMS) at access strategy table (strategylist) less than the peak use rate (Pmax) that is provided with, begins then to judge whether center media server (CMS) can provide service for the user;
(7), obtain intrasystem center media server (CMS) tabulation (cmslist), and sort from small to large according to the current network utilance;
(8), obtain the program file tabulation (mpeglist) on each center media server (CMS) successively, whether the program of judging user's program request exists in the program file tabulation of center media server (CMS), if program file does not exist, then use next center media server (CMS) to serve, if exist, whether the present load of then judging center media server (CMS) surpasses the maximum network utilance of setting (Pmax), if surpass, then use next center media server (CMS) that service is provided, otherwise, use current center media server (CMS) to provide service to the terminal use;
(9) if all center media server (CMS) all can not provide the required play-on-demand program of user or surpass the maximum network utilance of setting, then point out user's program request failure, otherwise, use one can support the center media server (CMS) of user's program request and network utilization minimum to provide streaming media service as the terminal use.
Load is network utilization (P1) or central processor CPU utilance or user's linking number etc. among the present invention.
Embodiment 3
The present invention includes center media server (CMS) and edge media server (EMS), its method is as follows:
(1), obtains the zone at current terminal use place and the program (mpegid) of current program request;
(2), obtain the access strategy table (strategylist) of the corresponding visit edge media server (EMS) in the zone at user place, with the descending sort of the edge media server (EMS) in the access strategy table according to network utilization ascending order and access privileges;
(3), obtain program file tabulation (mpeglist) on each edge media server (EMS) successively according to the order after the ordering in the access strategy table;
(4) if the program of terminal use's program request (mpegid) exists in the program file tabulation (mpeglist) of edge media server (EMS), whether the present load of then judging edge media server (EMS) surpasses the maximum network utilance (Pmax) that edge media server (EMS) is set, if the maximum network utilance (Pmax) that the present load of edge media server (EMS) surpass to be set, the then state of next edge of table media server (EMS) in the decision plan table; Otherwise use this edge media server (EMS) to provide service as the terminal use;
(5) if in access strategy table (strategylist), find the present load that the edge media of this play-on-demand program server (EMS) and this edge media server (EMS) can be provided not surpass the maximum network utilance (Pmax) that is provided with, then use this edge media server (EMS) to provide service as the terminal use;
(6) if the load of not finding the edge media server (EMS) that can support user's play-on-demand program and this edge media server (EMS) at access strategy table (strategylist) less than the peak use rate (Pmax) that is provided with, begins then to judge whether center media server (CMS) can provide service for the user;
(7), obtain intrasystem center media server (CMS) tabulation (cmslist), and sort from small to large according to the current network utilance;
(8), obtain the program file tabulation (mpeglist) on each center media server (CMS) successively, whether the program of judging user's program request exists in the program file tabulation of center media server (CMS), if program file does not exist, then use next center media server (CMS) to serve, if exist, whether the present load of then judging center media server (CMS) surpasses the maximum network utilance of setting (Pmax), if surpass, then use next center media server (CMS) that service is provided, otherwise, use current center media server (CMS) to provide service to the terminal use;
(9) if all center media server (CMS) all can not provide the required play-on-demand program of user or surpass the maximum network utilance of setting, then point out user's program request failure, otherwise, use one can support the center media server (CMS) of user's program request and network utilization minimum to provide streaming media service as the terminal use.
The zone is terminal use's type or terminal use's location.
Embodiment 4
Method of the present invention is specifically:
This Streaming Media dynamic load technology is divided the user according to the zone, the employing of streaming media server is distributed sets up, set up corresponding streaming media server in each zone, Streaming Media request this locality response user, response speed, network quality and streaming media playing quality can improve greatly.Technology contents mainly comprises five parts: the configuration of configuration flow media server, and the user divides into groups by area dividing, user grouping load policy configurations, the streaming media server load is checked, the door load dispatch.Five parts cooperate user load to nearest, on the lightest streaming media server of load.
The terminal use corresponds in the user grouping, and user grouping can dispose the marginal flow media server (EMS) of corresponding priority access.The terminal use according to current terminal use place user grouping, finds a marginal flow media server available, that load is minimum among the load Policy Table of system according to packet configuration when carrying out the Streaming Media visit, give end-user access.If do not find available marginal flow media server, then use the center streaming media server to provide service as the terminal use.
The configuration of configuration flow media server:
The configuration of streaming media server mainly comprises server ip, the port of server, agreement and maximum network utilance etc.The kind of server comprises center media server (CMS) and edge media server (EMS).
The load inspection of streaming media server is mainly the network utilization (also can be cpu busy percentage or user's linking number) of monitoring stream media server.When the streaming media service of appointment code stream was provided, the network utilization of a server (also can be cpu busy percentage or user's linking number) had reflected the overall load state of whole server.
The maximum network utilance of configuration flow media server (also can be maximum cpu busy percentage or maximum user's linking number), when the network utilization of server surpasses the maximum of this configuration, this server no longer only provides service to the user who has connected, and the load dispatch device no longer new user of load arrives this server.
The user divides into groups by area dividing:
The terminal use according to location and user type, on the gate system of Streaming Media load dispatch, is divided the user.The user of zones of different is configured in the different user grouping.
User grouping load policy configurations:
Streaming media on demand load in user grouping divides in the slightly configuration, the streaming media server of configurable user grouping priority access, and the streaming media server of inferior preferential visit, a grouping can be disposed the streaming media server of a priority access arbitrarily.
The streaming media server load is checked:
Adopt the background program of a timing acquiring, the load condition of each streaming media server of automatic regular polling is recorded in the real-time network load condition of streaming media server in the database, uses for load dispatch.
The visit load dispatch:
The load dispatch of streaming media server is with user load is the highest to the priority that its place user grouping disposes, load is the lightest and load value is worth on the server less than the maximum load that disposes.According to the user's of current accessed sign, obtain the user grouping at user place; Obtain the streaming media server of visit according to priority of user grouping configuration by user grouping; Judge the minimum streaming media server of utilance according to priority orders; The user is directed on the lightest streaming media server of load.
The specific implementation flow process is with above-mentioned embodiment.
Claims (4)
1. stream media service dynamic load method, it is characterized in that: described stream media service dynamic load method is applied to center media server (CMS) and edge media server (EMS), and its method is as follows:
(1), obtains the zone at current terminal use place and the program (mpegid) of current program request;
(2), obtain the access strategy table (strategylist) of the corresponding visit edge media server (EMS) in the zone at user place, with the edge media server (EMS) in the access strategy table earlier according to the access privileges descending again according to the ascending sort of network utilization;
(3), obtain program file tabulation (mpeglist) on each edge media server (EMS) successively according to the order after the ordering in the access strategy table;
(4) if the program of terminal use's program request (mpegid) exists in the program file tabulation (mpeglist) of edge media server (EMS), whether the present load of then judging edge media server (EMS) surpasses the maximum network utilance (Pmax) that edge media server (EMS) is set, if the maximum network utilance (Pmax) that the present load of edge media server (EMS) surpass to be set, the then state of next edge of table media server (EMS) in the decision plan table; Otherwise use this edge media server (EMS) to provide service as the terminal use;
(5) if in access strategy table (strategylist), find the present load that the edge media of this play-on-demand program server (EMS) and this edge media server (EMS) can be provided not surpass the maximum network utilance (Pmax) that is provided with, then use this edge media server (EMS) to provide service as the terminal use, then this flow process finishes; Otherwise then carry out next step;
(6) if the load of not finding the edge media server (EMS) that can support user's play-on-demand program and this edge media server (EMS) at access strategy table (strategylist) less than the peak use rate (Pmax) that is provided with, begins then to judge whether center media server (CMS) can provide service for the user;
(7), obtain intrasystem center media server (CMS) tabulation (cmslist), and sort from small to large according to the current network utilance;
(8), obtain the program file tabulation (mpeglist) on each center media server (CMS) successively, whether the program of judging user's program request exists in the program file tabulation of center media server (CMS), if program file does not exist, then use next center media server (CMS) to serve, if exist, whether the present load of then judging center media server (CMS) surpasses the maximum network utilance of setting (Pmax), if surpass, then use next center media server (CMS) that service is provided, otherwise, use current center media server (CMS) to provide service to the terminal use;
(9) if all center media server (CMS) all can not provide the required play-on-demand program of user or surpass the maximum network utilance of setting, then point out user's program request failure, otherwise, use one can support the center media server (CMS) of user's program request and network utilization minimum to provide streaming media service as the terminal use.
2. stream media service dynamic load method according to claim 1 is characterized in that: described load is network utilization (P1).
3. stream media service dynamic load method according to claim 1 and 2 is characterized in that: described zone is terminal use's type.
4. stream media service dynamic load method according to claim 1 and 2 is characterized in that: described zone is terminal use's location.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610106932XA CN101132393B (en) | 2006-08-25 | 2006-08-25 | Stream media service dynamic load method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610106932XA CN101132393B (en) | 2006-08-25 | 2006-08-25 | Stream media service dynamic load method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101132393A CN101132393A (en) | 2008-02-27 |
| CN101132393B true CN101132393B (en) | 2010-11-17 |
Family
ID=39129520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200610106932XA Active CN101132393B (en) | 2006-08-25 | 2006-08-25 | Stream media service dynamic load method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101132393B (en) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101237340B (en) * | 2008-03-05 | 2012-06-06 | 中兴通讯股份有限公司 | System and method for realizing multicast channel in multimedia service |
| CN101931999B (en) * | 2010-08-31 | 2014-01-01 | 深圳市赫迪威信息技术有限公司 | Service access method, portal switching server and service access system |
| CN101945254B (en) * | 2010-09-15 | 2012-05-30 | 中国科学院声学研究所 | Distributed streaming media on-demand method based on virtual live source |
| CN102118396B (en) * | 2011-03-14 | 2014-04-09 | 浙江宇视科技有限公司 | Live monitoring method and video management server |
| CN103139599B (en) * | 2011-11-29 | 2016-08-24 | 人民网股份有限公司 | Network multi-image live broadcast system |
| CN103107951B (en) * | 2013-02-05 | 2016-08-24 | 广东全通教育股份有限公司 | A kind of Streaming Media load-balancing method based on customer action and system |
| CN103188270B (en) | 2013-04-11 | 2015-05-20 | 腾讯科技（深圳）有限公司 | Method, device and system for accessing recommended server to IP address |
| CN103347062A (en) * | 2013-06-24 | 2013-10-09 | 北京汉柏科技有限公司 | Virtual computing resource distribution method |
| CN106407002B (en) * | 2016-08-22 | 2018-07-13 | 平安科技（深圳）有限公司 | Data processing task executes method and apparatus |
| CN106790409A (en) * | 2016-11-30 | 2017-05-31 | 哈尔滨学院 | Load-balancing method and its system based on the treatment of electric business platform user historical data |
| CN108337275A (en) * | 2017-01-19 | 2018-07-27 | 百度在线网络技术（北京）有限公司 | Task distribution method, device and equipment for Distributor |
| CN108347465B (en) * | 2017-01-23 | 2021-02-02 | 阿里巴巴集团控股有限公司 | Method and device for selecting network data center |
| CN107835262A (en) * | 2017-12-19 | 2018-03-23 | 四川九洲电器集团有限责任公司 | A kind of streaming media server dynamical load distribution method |
| CN108063950B (en) * | 2017-12-26 | 2020-10-27 | 郑州威科姆科技股份有限公司 | Live broadcast classroom implementation method |
| CN110808981A (en) * | 2019-11-04 | 2020-02-18 | 普联技术有限公司 | Video stream preview method and device |
| CN113395552A (en) * | 2021-06-20 | 2021-09-14 | 杭州登虹科技有限公司 | Method for treating streaming media service automatic adjustment balanced load |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1489096A (en) * | 2002-10-07 | 2004-04-14 | 宝来证券股份有限公司 | Option-goods recommending system and method |
| CN1495634A (en) * | 2002-06-27 | 2004-05-12 | 上海汉唐科技有限公司 | Server clustering load balancing method and system |
| CN1585357A (en) * | 2003-08-19 | 2005-02-23 | 华为技术有限公司 | Method for selecting server in network |
-
2006
- 2006-08-25 CN CN200610106932XA patent/CN101132393B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1495634A (en) * | 2002-06-27 | 2004-05-12 | 上海汉唐科技有限公司 | Server clustering load balancing method and system |
| CN1489096A (en) * | 2002-10-07 | 2004-04-14 | 宝来证券股份有限公司 | Option-goods recommending system and method |
| CN1585357A (en) * | 2003-08-19 | 2005-02-23 | 华为技术有限公司 | Method for selecting server in network |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101132393A (en) | 2008-02-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101132393B (en) | Stream media service dynamic load method | |
| CN104079501B (en) | Queue scheduling method based on multiple priorities | |
| Sarhan et al. | Caching and scheduling in NAD-based multimedia servers | |
| CN101394362B (en) | Method for load balance to multi-core network processor based on flow fragmentation | |
| CN107343112B (en) | Intelligent telephone traffic distribution method based on call center seat layering | |
| WO2009024921A3 (en) | System and method for managing license capacity in a telecommunication network | |
| CA2798054A1 (en) | Dynamic binding for use in content distribution | |
| CN107566910B (en) | The customized distribution monitoring method of resource, storage medium, electronic equipment and system is broadcast live | |
| CN103297297B (en) | Group processing method and group processing system | |
| CN107835262A (en) | A kind of streaming media server dynamical load distribution method | |
| CN102981973B (en) | Perform the method for request within the storage system | |
| CN101080001A (en) | Device for realizing balance of media content in network TV system and its method | |
| CN106155805A (en) | Method of adjustment that system internal segment is counted and device | |
| WO2013004191A1 (en) | Message push method and instant communication server | |
| CN101247206B (en) | Layered transmission method and control system of peer-to-peer network | |
| CN102497389B (en) | Big umbrella caching algorithm-based stream media coordination caching management method and system for IPTV | |
| CN108898294A (en) | Bicycle active schedule distribution method and system are shared in a kind of region | |
| CN102036104A (en) | Video on demand access control method | |
| CN108055596B (en) | Method and system for guaranteeing specific user flow | |
| CN110996114A (en) | Live broadcast scheduling method and device, electronic equipment and storage medium | |
| CN1168037C (en) | Video frequency request schooling service method | |
| Zhao et al. | Efficient adaptive media scaling and streaming of layered multimedia in heterogeneous environment | |
| CN201904870U (en) | Load balancing controller for MCU and video conference system thereof | |
| Guo et al. | Smooth workload adaptive broadcast | |
| CN1747448A (en) | Segment transmit dispatch in data-driven overlay network |
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 |