CN1972311A - A stream media server system based on cluster balanced load - Google Patents
A stream media server system based on cluster balanced load Download PDFInfo
- Publication number
- CN1972311A CN1972311A CN 200610125390 CN200610125390A CN1972311A CN 1972311 A CN1972311 A CN 1972311A CN 200610125390 CN200610125390 CN 200610125390 CN 200610125390 A CN200610125390 A CN 200610125390A CN 1972311 A CN1972311 A CN 1972311A
- Authority
- CN
- China
- Prior art keywords
- module
- server
- user
- film
- real
- 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
Landscapes
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Information Transfer Between Computers (AREA)
Abstract
This invention relates to flow media servo system based on group balance load, which comprises front transfer machine, n real servo and common memory, wherein, the transfer machine provides user visit interacting interface and system manager entrance and selects minimum load for user according to current each real servo status; real servo receives front transfer visual frequency point require to provide media service for user and for utility rate onto local database; in system spare, according to hot video information copying information from common memory into real servo local memory.
Description
Technical field
The present invention relates to computer streaming media service technical field, be specifically related to a kind of stream media server system based on cluster balanced load.
Background technology
Streaming Media is meant the media formats that the mode of employing stream transmission is play on the internet, as audio frequency, video or multimedia file.Streaming Media is not downloaded whole file before broadcast, only will begin partial content deposits internal memory in, in computer packet is carried out buffer memory and media data is correctly exported.The data flow of Streaming Media transmits at any time at any time and plays, just some delay when beginning.Obviously, the key technology that Streaming Media is realized is transmitted as a stream exactly, stream transmission mainly refers to multimedia files such as whole Voice ﹠ Video and three-dimensional medium are resolved to compressed package one by one through specific compress mode, by video server to subscriber computer order or transmission in real time.In the system that adopts the stream transmission mode, the user needn't wait until as adopting downloading mode that whole download of whole file finishes, but only need can play behind the multimedia file decompress(ion)s such as A/V, 3D that utilize decompression apparatus to compression on the user's computer and watch through the startup time-delay of seconds or tens of seconds.The remainder of multimedia file will continue to download in the server on backstage this moment.Compare with simple downloading mode, this to multimedia file broadcast while downloading into the stream transmission mode not only make and start time-delay and shorten significantly, and the demand of system cache capacity is also reduced greatly, greatly reduce the time that the user is used in wait.This technology is widely used in video request program, video conference, long-distance education, tele-medicine and the online live broadcast system.
Along with the develop rapidly of stream media technology, based on the application of Streaming Media more and more widely, the user is also more and more universal, also streaming media service is had higher requirement simultaneously and challenges.The continuous expansion of range of application and number of users will certainly increase the weight of the streaming media server load, makes the client end response time lengthening, degradation problems under the play quality.Current solution has following three kinds: first, improve the network bandwidth to more than the gigabit, make transfer of data quicker smooth and easy, but also brought the cost of rewiring to improve thereupon, and its autgmentability is not strong, because the growth rate of the network bandwidth always is lower than the growth rate of number of users; The second, improve the server hardware performance, comprise cpu frequency, performance index such as memory size, but high-performance computer purchasing price and maintenance cost costliness do not meet the China's actual conditions of setting up conservation-minded society; The 3rd, adopt cluster server, cost performance height, but cluster management complexity lack good load balance scheduling algorithm.
Shortcomings and deficiencies at above-mentioned each solution, the streaming media server of cluster balanced load of the present invention adopts centralized stores to combine with distributed store, the internal network of high speed bandwidth, cpu busy percentage with server, the dispatching algorithm that all multi-performance index of internal memory behaviour in service are taken into account can be with addressing the above problem effectively.
Summary of the invention
The purpose of this invention is to provide a kind of stream media server system based on cluster balanced load, this system has unified dispatching management data flow, distributed focus film management, functions such as concentrated storage administration, it is overweight to solve the current server load effectively, manage loaded down with trivial details confusion, the problem that the network bandwidth is limited.
A kind of stream media server system based on cluster balanced load provided by the invention comprises front end dispatcher, n platform real server and shared storage, wherein, and 1≤n≤32; The front end dispatcher is used to provide the interactive interface of user capture and system manager's administration portal; After the end dispatcher received user's video request program request, according to the state of current each real server, selecting wherein, the real server of a load minimum provided streaming media service for the user; Real server is used for after the video request program request that the receiving front-end dispatcher delivers for the user provides streaming media service, adds up local cpu, internal memory, utilization of network bandwidth simultaneously and these information are stored in the local data base; When system is idle, duplicate the local storage of film copy from shared storage to real server according to the focus film information that the front end dispatcher provides; Shared storage is used for all media files of film of stored stream media service system, and the access visit of media file is provided for real server.
As a kind of improvement project of the present invention, wherein, the server scheduling module is according to the task scheduling of following step to streaming media service:
1. accept the film reference number of a document that client is imported into by the http request;
2. checking on the local disk of which real server has requested file, establishes these real server and forms set and be M;
3. calculate the load capacity C of all real server among the M according to formula (1),, from all real server, select the maximum real server of C value that service is provided, simultaneously the file position is made as nd if M is empty; Otherwise, select the maximum real server of C value to provide service for current request, then the file position is made as ld;
4. obtain filename according to the film reference number of a document, and documentary is clicked situation;
5. the rtsp address that will be made of together IP address, film file position and the filename three of real server returns to client, and client uses this address directly mutual with the real server that is selected, and obtains data;
C
i＝W
i *(1-U
CPU *W
CPU)
*(1-U
MEM *W
MEM)
*(1-U
I/O *W
I/O) (1)
W wherein
iRepresent the weight coefficient of i real server, U
CPU, U
MEM, U
I/ORepresent CPU, internal memory, utilization of network bandwidth respectively, W
CPU, W
MEM, W
I/OThen represent the weight coefficient of above-mentioned three indexs respectively.
Compared with the prior art, the present invention has following characteristics:
A. monitoring and telemanagement in real time.Traditional streaming media cluster server nearly all lacks real-time monitoring module, and the system manager cannot understand the running status and the service status of each server visual and clearly, feasible efficiency of service and the system availability that directly has influence on whole streaming media server.And the present invention adopts the distributed real-time monitoring technique, on the front end dispatcher, real-time monitor (RTM) is installed, this program can real-time monitor the service status of each real server, the cpu busy percentage that comprises real server, memory usage, many monitor datas such as the traffic between user's linking number and shared storage can accurately be judged the most suitable response of current which station server request this moment with convenient user's request when reaching, provide the high quality stream media service of guarantee.This monitoring in real time also supports to have the system manager of certain authority to visit the running status of monitoring each server by remote machine.
B. focus film distributed storage and program picture centralised storage.Traditional streaming media server is scarcely distinguished silver screen hits and program picture, adopt centralized stores without exception, will certainly cause the shared storage load overweight like this, make the access bandwidth of shared storage become the bottleneck of whole stream media system, owing to the limited storage space of server itself, can not realize the distributed storage of all films again.Therefore, stream media server system of the present invention adopts the silver screen hits distributed storage, pick out film relatively more popular during this according to the record of film visit capacity in a certain period, it is stored on the server local storage, to improve access speed and service quality, and all films all have a script on shared storage, when the user wants to watch these not popular films, server can be visited shared storage service is provided, and has so just reduced the access frequency to shared storage effectively.
When the present invention adopted improved plan, what the server scheduling module adopted was dynamic dispatching algorithm.Traditional streaming media cluster server only possesses more single load balancing strategy, such as being dispatched on the different server successively according to request stream order, perhaps be dispatched on the different server according to service linking number current on the different server, these are merely able to realize the load balancing of lightweight.Ageing not strong by request stream sequential scheduling, there is the not high problem of multiple servers utilance probably; Dispatch performance difference, the network condition difference of user side and the code check difference of then not considering between each server of files in stream media by the service linking number.And the improved load balance scheduling algorithm that the present invention proposes, can monitor the current service scenario of each real server by dynamic real-time, comprise the current server maximum number of connections, the files in stream media number, network quality, cpu load, memory usage etc. be reflection real server load information all the time comprehensively.
Description of drawings
Fig. 1 is the structural representation of stream media server system provided by the invention;
Fig. 2 is that the module of stream media server system provided by the invention constitutes schematic diagram;
Fig. 3 is the workflow diagram of stream media server system provided by the invention.
Embodiment
The present invention will be further described in detail below in conjunction with accompanying drawing and example.
As shown in Figure 1, the stream media server system that the present invention is based on cluster balanced load comprise front end dispatcher 1, n platform real server 21,22 ..., 2n (wherein, 1≤n≤32) and shared storage 3.System can be divided into three layers from software service: user service layer, streaming media service layer and data storage layer.User service layer is made of front end dispatcher 1, the streaming media service layer by n platform real server 21,22 ..., 2n constitutes, data storage layer comprises the local disk (LD, Local Disk) in shared storage 3 (also claiming network disk, Network Disk) and the real server.
Front end dispatcher 1 provides the interactive interface of user capture and system manager's administration portal as system entry, after the front end dispatcher receives user's video request program request, according to the state of current each real server, selecting wherein, the real server of a load minimum provides streaming media service for the user; When system was idle, information such as the numbering of the focus film that user's click volume is big, film name, playout length, click volume sent to real server.Real server 21,22 ..., after the video request program request delivered of 2n receiving front-end dispatcher for the user provides streaming media service, add up local cpu, internal memory, utilization of network bandwidth simultaneously and these information be stored in the local data base; When system is idle, duplicate the local storage of film copy from shared storage to real server according to the focus film information that the front end dispatcher provides.Shared storage 3 has the media file of whole films in the stream media service system, and the access visit of media file is provided for real server; The shared storage that the present invention uses is the RAID storage array, can deposit thousands of film files.
The module that each part mentioned above is described below in conjunction with Fig. 2 constitutes.
Front end dispatcher 1 comprises subscriber interface module 11, Web server module 12, server scheduling module 13, system's installation configuration module 14, user management module 15, media management module 16, program focus administration module 17, database design module 18 and system monitoring display module 19.
Subscriber interface module 11 is used to provide the interface of server and user interactions, it shows different interactive interfaces according to the parameter of the different user classification (general user and administrator) that system's installation configuration module 14 provides, and then input informations such as Customs Assigned Number, request film name is offered Web server module 12.
After the user's registration or logon information that Web server module 12 reception upper-layer user interface module 11 are transmitted, calling provides 15 couples of users of user management module to manage, film management is called media management module 16 and focus administration module 17 is finished, wherein user management comprises functions such as the user registers, the user lands, user's program request, forum's message, and the film management comprises functions such as uploading films, film introduction, focus film duplicate, film renewal; When system restarted, Web server module 12 was installed configuration module 14 by system and is started.
User video order request information and film copy information that server scheduling module 13 receives from Web server module 12, user video order request information comprises Customs Assigned Number, request film name, request film reference number of a document, the film copy information refers to is having the real server numbering of certain film, film numbering, film name, the load information of each real server in the system that provides according to system monitoring display module 19 of server scheduling module then, obtain suitable real server address according to the load balance scheduling algorithm, and offer the user; Simultaneously user's streaming media service request is sent to the streaming media service module 211 of real server 21, after true server and user connected, then once scheduling was finished.
The load balance scheduling algorithm can adopt existing algorithm, as round robin algorithm and random schedule scheduling algorithm.For the better load of each service node of balance, preferably adopt following improved load balance scheduling algorithm provided by the invention:
At first adopt the load capacity of formula (1) quantization means system:
C
i＝W
i *(1-U
CPU *W
CPU)
*(1-U
MEM *W
MEM)
*(1-U
I/O *W
I/O) (1)
W wherein
iRepresent the weight coefficient of i real server, its value is big more, and the performance of expression server is good more.U
CPU, U
MEM, U
I/ORepresent CPU, internal memory, utilization of network bandwidth respectively, and W
CPU, W
MEM, W
I/OThen represent the weight coefficient of above-mentioned three indexs respectively, be used for embodying the influence degree of every index the system load ability.
Try to achieve a load capacity value (C) according to formula (1), select the maximum real server of C value that service is provided.For real system, any one resource (CPU, the network bandwidth etc.) surpasses certain utilization rate (such as 90%), and system all no longer includes ability and inserts new request.
The load balance scheduling arthmetic statement that is used to dispatch real server is as follows:
A. accept the film reference number of a document that client is imported into by the http request;
B. checking on the local disk (LD, Local Disk) of which real server has requested file, establishes these real server and forms set M;
If c. M is not empty, calculate the load capacity C of all real server among the M according to formula (1), select the maximum real server of C value to provide service, then file position (local disk or network disk are respectively by logical path ld and nd correspondence) is made as ld for current request; Otherwise the service that provides of C value maximum is provided from all real server, simultaneously the file position is made as nd;
D. obtain filename according to the film reference number of a document, and documentary is clicked situation;
E. the rtsp address that will be made of together IP address, film file position and the filename three of real server returns to client.Client uses this address directly mutual with the real server that is selected, and obtains data.
Configuration module 14 is installed according to the installation path that the keeper sets Web server, database server by system, and startup subscriber interface module 11, Web server module 12 and database design module 18 are installed.And the module of repairing fluctuation of service when configuration module 14 can be in sub-health state in system is installed by system.
User management module 15 provides the user to register, and the user is carried out functions such as Certificate Authority, the information of registering or login success or not is returned to Web server module 12 show; For the keeper, user management module 15 also provides establishment, the deletion of user or user's group, functions such as update system configuration.User's log-on message, the data format that comprises user name, password, Email, place user's group, authority and individual's explanation is by 18 definition of database design module.
Media management module 16 provides the management function of multimedia file to the keeper, comprises that file upgrades, uploads, revises, deletion etc., and the information of operation success or not is shown to the keeper by Web server module 12.The data format of information such as film information such as film numbering, film name, systematic name, hits, film copy number, film description is by 18 definition of database design module.
Program focus administration module 17 real time record users' request, the click volume of statistics film program, with the temperature value of click volume calculating film, the temperature value equals the ratio of click volume and all film click volume sums of this film.The user has request to certain film, and then this film click volume adds 1, calculate the temperature value of all films after, by the temperature value film that sorts from high to low, the film information that comes front (as preceding 10) sends to Web server module 12 and shows.The film that the temperature value is big more represents that this film is welcome more, is preceding 10 to be focus films if the temperature value is set, and certain film is judged to the focus film so, then calls the copy replication that program replication module 213 is finished film.Then, program focus administration module 17 comprises film numbering, film name and copy number with the film copy information, sends to media management module 16 and upgrades the film relevant information.
User profile, film information and server info that database design module 18 definition user management modules 15, media management module 16 and program focus administration module 17 need.User profile comprises Customs Assigned Number, user name, access rights, place group, film information comprises film numbering, film name, systematic name, hits, copy number, and server info comprises service node numbering, service node name, the film copy number of buffer memory, film copy numbered list.
The operation conditions that system monitoring display module 19 can make the system manager inquire about each server by remote monitoring, and show with the Web page mode.System monitoring display module 19 is except giving the system information visualization display the keeper, and also the service state of each real server that system monitoring servo module 215 is provided sends to server scheduling module 13 and is used for task scheduling.
Each real server includes streaming media server module, streaming media service monitoring module, program replication module, database server module, system monitoring servo module and local storage.Be example with real server 21 below, the function of each module is described.
Streaming media server module 211 is built on each real server, and the stream media protocol of support is mainly rtsp, and each server all is furnished with real IP, can directly provide streaming media service to the user.If the film file has the focus backup in this locality, will read the film file data from local storage 216 so and give the user; If do not have the focus backup, will read the film file from long-range shared storage 3 so.Simultaneously, real server 21 provides the relevant information of streaming media service, sends to streaming media service monitoring module 212 as user name, request film name, service node name etc. by streaming media server module 211.
The hardware environment of streaming media service monitoring module 212 monitoring flow media servers, content comprises the real-time monitor data of active user's linking number, network condition, cpu busy percentage and the internal memory behaviour in service etc. of every Streaming Media real server, these information offer system monitoring servo module 215, so that the system manager fullys understand the ruuning situation of streaming media server group system, offer front end dispatcher 1 on the other hand and be used for load balance scheduling on the one hand.
Program replication module 213 is responsible for duplicating focus film program to each real server local storage 216 from shared storage 3.The most popular film program in the keeper regularly searches during this by program focus administration module 17 is distributed on the real server 21 by this module.
What database service module 214 adopted is the MySQL server, and set up two databases of user management and film management, wherein the user management database comprises the functions such as historical record of user's registration information, user right setting, user's logon information and user preference, and the film management database comprises functions such as film renewal, film distribution situation, film Visitor Logs and administrator right.The data format of database storage streaming media service information is by 18 definition of database design module.
215 pairs of target servos of system monitoring servo module are monitored, and are positioned at the bottom of system monitoring display module 19, comprise that remote information is mutual, Long-distance Control, Message Processing such as remote function calls.The gained monitor message flows to the system monitoring display module 19 of upper strata front end dispatcher 1.Its needed real server load information is from streaming media service monitoring module 212.
Each real server all has a local storage 216, and local storage 216 is in the data storage layer of system, is not the functional module on the real server 21, and it is used to deposit focus film duplicate of the document, by 211 scheduling of streaming media service module.
Wherein, system monitoring display module 19 and system monitoring servo module 215 lay respectively at the upper and lower of system monitoring module.Consider the system information that needs the monitoring different platform, this part function realizes that with Java language these two modules are responsible for monitoring the server module operation conditions of inner all computers of cluster, and shows in patterned mode.These system informations that monitor can offer the judgement reference that server scheduling module 13 is done when scheduling by its interface.
It is exactly a foreground and a backstage that complete Web service can be provided that subscriber interface module 11 and Web server module 12 merge to get up, and its most of function code is realized with PHP.Media management module 16 and user management module 15 provide detailed multimedia file management by database service module 214, film introduction, program information such as hits and webpage registered user's personal information.The difference of Web service system of the present invention and traditional Web server maximum just is to have increased a server scheduling module 13.When user's click watches film to trigger the broadcast thing, server scheduling module 13 is just started working, it obtains the system information of each streaming media server from system monitoring module 19 and system monitoring servo module 215, and obtain the current information on services of Streaming Media and from the database of media management module 7, obtain program storage information from streaming media service monitoring module 212, the streaming media server that utilizes the dispatching algorithm of equally loaded to choose a present load amount minimum provides service, just begin to start streaming media service module 211 this moment, response user's Streaming Media request.
Streaming media service monitoring module 212 is the middlewares that are positioned on the streaming media service module 211, and it can monitor the current service information of streaming media server in real time, and these information are saved in the database.If the keeper wants to check these information on services, also can come out by 19 graphical displays of system monitoring display module.This module has very strong real-time, could finish load balance scheduling work with server scheduling module 13 more efficiently like this.
Focus administration module 17 and program replication module 213 are with the limited bandwidth problem that solves visit shared storage 3.Their regular (weeks or one month) can be analyzed the media information that collects from database, mainly be the access number of program, therefrom choose the film program of hot topic.If this program is arranged in shared storage 3, then it is copied on the local storage of each real server 2.Rely on like this, just can improve the film program hit rate of click effectively, reduced visit load shared storage 3.This implementation is similar to the cache high-speed cache in the computer system and the relation of internal memory, in case be that focus management of the present invention and program duplicate and be provided, will regularly carry out work automatically, and Unsupervised member operates.
Whole system service procedure of the present invention as shown in Figure 3.When subscription client (client) lands the Web server page of visit native system by the http agreement, anonymous only can browsing pages, and the registered user can search for and look for own interested film program.When the user opened film on certain film page and introduces, the number of visits of this film added 1; When the user plays certain film, the focus degree of this film adds 1, and Query Database finds the storage server of this film, may be not only one, this moment, the load balance scheduling algorithm was by analyzing the current linking number of each real server, network condition, monitor datas such as cpu load are selected suitable streaming media server, its URL address are returned to the media player of user's excited users end.Media player directly sends the request of rtsp stream medium data to real server again, and real server responds this request and beginning transport stream media data, and the enough data of user side buffer memory begin displaying video programs.
The present invention has adopted the system architecture of many IP based on cluster.Front end dispatcher 1 and Streaming Media real server 21,22 ..., 2n disposed independent external IP, each node machine can both directly be visited by the outer net machine, the data of returning client can directly arrive client without the front end dispatcher, effectively utilized the network bandwidth like this, alleviated the pressure of front end dispatcher, prevent network congestion, avoided causing performance bottleneck.Provide the real server of streaming media service to be installed in (Network Computer) on the NC node, the startup of node machine is finished by the startup server on foreground.According to many-sided consideration, multimedia file divides for two kinds of patterns such as the storage of film etc.: the 1) local disk on the node, and distributed storage is mainly deposited focus film copy, i.e. LD among Fig. 1 (LocalDisk); 2) share storage server (RAID), centralized stores is stored all films, i.e. ND among Fig. 1 (Network Disk).The mode that combines of distributed storage and centralized stores has effectively utilized the memory capacity of each NC node like this, has also reduced the data access pressure on the shared storage 3.
Illustrate the configuring condition in the native system implementation process below.
Native system adopts the Weisheng cluster, comprises 20 node machines, and its basic configuration is as shown in table 1.
The configuration illustration of table 1 system
| CPU | Internal memory | Hard disk | Network interface card | Operating system | Network |
| 1G | 1G | 80G | 3C905B | Linux-2.4.20 | The 100M switch |
Wherein, one is configured to front end dispatcher 1, and the Web server Apache of operation dynamic web page is arranged above it, the database MySQL of storing subscriber information and film information, and possess load-balancing function, can unify the dispatching management real server; All the other 19 be configured to real server 21,22 ..., 2n, all distribute real IP address, as streaming media server, response user's RTSP request, provide high-quality streaming media service to the user, and distributed storage focus film on the memory own is effectively accelerated response time and the reduction visit consumption to shared storage.Shared storage 3 is the RAID disk array, centralized stores management flow media file, and it is mounted on each streaming media server.
Whole reliable and stable open source softwares of utilization and operation on the software, wherein Web server adopts Apache HTTP Server 2.0.55, and Run Script php-5.1.2, database server are MySQLServer 5.0, and streaming media server is Helix Server.
The database data item that equally loaded dispatching algorithm of the present invention relates to comprises:
The current linking number of real server: write down the current user's linking number of each streaming media server;
Cpu busy percentage: the hardware performance situation that writes down current streaming media server;
Film memory location: write down the position of each film storage, comprise this locality storage of each real server and share storing;
Film is always watched number: be recorded in the interior accessed total degree of watching of each film of section sometime.
The technical solution used in the present invention is as follows:
The a.Web server provides the detailed film inventory of storing on the shared storage, and the user visits Web server by web browser, selects to click and wants the film watched.
The b.Web server is accepted user's request, and inquiry film data storehouse, dispatches according to the storage condition of cpu busy percentage and this film and selects a real server.
C. real server comprises the service linking number according to the loading condition of self, and performance condition decides the memory of visit self or the visit shared storage offers the high-quality streaming media service of user.
Claims (4)
1, a kind of stream media server system based on cluster balanced load, comprise front end dispatcher (1), n platform real server (21,22 ..., 2n) and shared storage (3), wherein, 1≤n≤32;
Front end dispatcher (1) is used to provide the interactive interface of user capture and system manager's administration portal; After the end dispatcher received user's video request program request, according to the state of current each real server, selecting wherein, the real server of a load minimum provided streaming media service for the user;
Real server (1,22 ..., 2n) be used for after the video request program request that the receiving front-end dispatcher delivers for the user provides streaming media service, add up local cpu, internal memory, utilization of network bandwidth simultaneously and these information be stored in the local data base; When system is idle, duplicate the local storage of film copy from shared storage to real server according to the focus film information that the front end dispatcher provides;
Shared storage (3) is used for all media files of film of stored stream media service system, and the access visit of media file is provided for real server.
2, stream media server system according to claim 1 is characterized in that:
Front end dispatcher (1) comprises subscriber interface module (11), Web server module (12), server scheduling module (13), system's installation configuration module (14), user management module (15), media management module (16), program focus administration module (17), database design module (18) and system monitoring display module (19);
Subscriber interface module (11) is used to provide the interface of server and user interactions;
After the user's registration or logon information that Web server module (12) reception upper-layer user interface module 11 is transmitted, calling provides user management module (15) that the user is managed, and calls media management module (16) and focus administration module (17) manages film;
Server scheduling module (13) is used for receiving user video order request information and the film copy information from Web server module (12), and the load information of each real server in the system that provides according to system monitoring display module (19), obtain suitable real server address according to the load balance scheduling algorithm, and offer the user; Streaming media service request with the user sends to real server (21) again;
System installs configuration module (14) and is used for the installation configuration file that sets according to the keeper, starts subscriber interface module (11), Web server module (12) and database design module (18) are installed;
Database design module (18) definition user management module (15), media management module (16) and required user profile, film information and the server info of program focus administration module (17);
User management module (15) is used to provide the user to register, and the user is carried out Certificate Authority, the information of registering or login success or not is returned to Web server module (12) show; For the keeper, user management module (15) also provides establishment, deletion and the update system configuration of user or user's group;
Media management module (16) is used for providing to the keeper management function of multimedia file, and the information that will operate success or not is shown to the keeper by Web server module (12);
Program focus administration module (17) is used for real time record user's request, calculate the temperature value of film program, and the film information of focus film is sent to Web server module (12) show, the copy replication of focus film calls the program replication module by program focus administration module (17) and finishes, and new then film copy information sends to media management module (16);
System monitoring display module (19) is used for giving the keeper with the system information visualization display, and the service state of each real server is sent to server scheduling module (13) is used for task scheduling.
3, stream media server system according to claim 2 is characterized in that: server scheduling module (13) is according to the task scheduling of following step to streaming media service:
1. accept the film reference number of a document that client is imported into by the http request;
2. checking on the local disk of which real server has requested file, establishes these real server and forms set and be M;
3. calculate the load capacity C of all real server among the M according to formula (1),, from all real server, select the maximum real server of C value that service is provided, simultaneously the file position is made as nd if M is empty; Otherwise, select the maximum real server of C value to provide service for current request, then the file position is made as 1d;
4. obtain filename according to the film reference number of a document, and documentary is clicked situation;
5. the rtsp address that will be made of together IP address, film file position and the filename three of real server returns to client, and client uses this address directly mutual with the real server that is selected, and obtains data;
C
i＝W
i*(1-U
CPU*W
CPU)*(1-U
MEM*W
MEM)*(1-U
I/O*W
I/O) (1)
W wherein
iRepresent the weight coefficient of i real server, U
CPU, U
MEM, U
I/ORepresent CPU, internal memory, utilization of network bandwidth respectively, W
CPU, W
MEM, W
I/OThen represent the weight coefficient of above-mentioned three indexs respectively.
4, according to claim 2 or 3 described stream media server systems, it is characterized in that: each real server (1,22 ..., 2n) include streaming media server module, streaming media service monitoring module, program replication module, database server module, system monitoring servo module and be used to deposit the local storage of focus film copy;
The streaming media server module is used for the user's that reception server scheduler module (13) provides streaming media service request, read the film file from local storage or shared storage (3), offer the user, and user name, request film name and service node name are offered the streaming media service monitoring module;
The streaming media service monitoring module is used for the hardware environment of monitoring flow media server, and information is offered the system monitoring servo module;
The program replication module is used for duplicating focus film program to each real server local storage from shared storage;
Database service module is used to set up user management database and film management database, and data format is defined by database design module (18);
The system monitoring servo module is monitored target servo according to the server load information that the streaming media service monitoring module provides, and the gained monitor message flows to the system monitoring display module (19) of upper strata front end dispatcher (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610125390 CN1972311A (en) | 2006-12-08 | 2006-12-08 | A stream media server system based on cluster balanced load |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610125390 CN1972311A (en) | 2006-12-08 | 2006-12-08 | A stream media server system based on cluster balanced load |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1972311A true CN1972311A (en) | 2007-05-30 |
Family
ID=38112889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610125390 Pending CN1972311A (en) | 2006-12-08 | 2006-12-08 | A stream media server system based on cluster balanced load |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1972311A (en) |
Cited By (57)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009109092A1 (en) * | 2008-03-04 | 2009-09-11 | 华为技术有限公司 | Method, system and device for providing on demand content |
| CN101080001B (en) * | 2007-06-22 | 2010-06-02 | 中兴通讯股份有限公司 | Device for realizing balance of media content in network TV system and its method |
| CN101808119A (en) * | 2010-03-04 | 2010-08-18 | 杭州华三通信技术有限公司 | Method and equipment for multiple storage array load balancing |
| CN101841565A (en) * | 2010-04-20 | 2010-09-22 | 中国科学院软件研究所 | Database cluster system load balancing method and database cluster system |
| CN101841526A (en) * | 2010-03-04 | 2010-09-22 | 清华大学 | Cluster streaming media server system applied to large-scale user demand |
| WO2010115325A1 (en) * | 2009-04-09 | 2010-10-14 | 中兴通讯股份有限公司 | Method and apparatus for processing and updating service contents in a distributed file system |
| CN101179565B (en) * | 2007-09-21 | 2010-12-08 | 中兴通讯股份有限公司 | Method of implementing essential service of electric playbill |
| WO2010145141A1 (en) * | 2009-06-19 | 2010-12-23 | 中兴通讯股份有限公司 | Distributed node video monitoring system and management method thereof |
| CN101252591B (en) * | 2008-04-03 | 2011-05-04 | 中国科学技术大学 | Apparatus and method for realizing uplink and downlink data separation |
| CN102104617A (en) * | 2010-11-30 | 2011-06-22 | 厦门雅迅网络股份有限公司 | Method for storing massive picture data by website operating system |
| CN102170460A (en) * | 2011-03-10 | 2011-08-31 | 浪潮(北京)电子信息产业有限公司 | Cluster storage system and data storage method thereof |
| CN102196297A (en) * | 2011-03-24 | 2011-09-21 | 东莞中山大学研究院 | Cluster processing method for multiserver VOD (video on demand) resource |
| CN101697633B (en) * | 2009-11-10 | 2011-12-28 | 西安西电捷通无线网络通信股份有限公司 | IP adaptation-based load balancing method and system thereof |
| CN102436468A (en) * | 2011-09-14 | 2012-05-02 | 山东中创软件商用中间件股份有限公司 | Load balancing method and system based on database cluster |
| CN101778002B (en) * | 2010-02-02 | 2012-06-27 | 浪潮(北京)电子信息产业有限公司 | Large-scale cluster system and building method thereof |
| CN102624924A (en) * | 2012-04-11 | 2012-08-01 | 北京昆仑万维科技股份有限公司 | Data processing method under server architecture |
| CN102622184A (en) * | 2011-01-27 | 2012-08-01 | 北京东方广视科技股份有限公司 | Data storage system and method |
| CN102629934A (en) * | 2012-02-28 | 2012-08-08 | 北京搜狐新媒体信息技术有限公司 | Data storage methods based on distributed storage system and apparatus thereof |
| CN102637287A (en) * | 2012-03-18 | 2012-08-15 | 江苏新彩软件有限公司 | Dynamic load balancing method for high-capacity concurrent transactions of users of Internet lottery |
| CN102708060A (en) * | 2012-05-14 | 2012-10-03 | 华为技术有限公司 | Method, device and system for accessing image files |
| CN101753985B (en) * | 2008-11-27 | 2012-10-03 | 北京中星微电子有限公司 | Video monitoring system, and medium flow transmitting control device and method in the video monitoring system |
| CN102752132A (en) * | 2012-06-06 | 2012-10-24 | 北京像素软件科技股份有限公司 | Method, device and system for performing remote real-time monitoring on server |
| CN101917326B (en) * | 2009-11-17 | 2012-11-28 | 新奥特（北京）视频技术有限公司 | Distributed trans-coding system and task scheduling method thereof |
| CN101800771B (en) * | 2010-01-29 | 2013-01-02 | 北京理工大学 | Copy selection method based on kernel density estimation |
| CN102932442A (en) * | 2012-10-26 | 2013-02-13 | 北京奇虎科技有限公司 | Equipment, system and method for distributed data storage system |
| CN102932440A (en) * | 2012-10-26 | 2013-02-13 | 北京奇虎科技有限公司 | Data management method, equipment and system for distributed data storage system |
| CN101330594B (en) * | 2007-06-18 | 2013-02-27 | 中兴通讯股份有限公司 | Method for storing VOD medium of equity network and media demanding system thereof |
| CN102970161A (en) * | 2012-11-12 | 2013-03-13 | 珠海金山网络游戏科技有限公司 | Cloud machine deployment platform and deployment method |
| CN102970382A (en) * | 2012-12-28 | 2013-03-13 | 苏州汉辰数字科技有限公司 | Quantum streaming media cloud network management system and method |
| CN103023937A (en) * | 2011-09-26 | 2013-04-03 | 北大方正集团有限公司 | Method and system for distributing network files |
| CN101800761B (en) * | 2009-12-25 | 2013-04-17 | 吴昊 | Lossless data compression method based on network dictionary |
| CN103107951A (en) * | 2013-02-05 | 2013-05-15 | 广东全通教育股份有限公司 | Streaming media load balance method and system based on customer behavior |
| CN101741658B (en) * | 2008-11-25 | 2013-05-22 | 北京中星微电子有限公司 | Video monitoring system and interaction method in same |
| CN103139302A (en) * | 2013-02-07 | 2013-06-05 | 浙江大学 | Real-time copy scheduling method considering load balancing |
| CN101562626B (en) * | 2008-04-15 | 2013-08-07 | 华为技术有限公司 | Method, system and device for medium distribution |
| CN103246592A (en) * | 2013-05-13 | 2013-08-14 | 北京搜狐新媒体信息技术有限公司 | Monitoring acquisition system and method |
| CN103260056A (en) * | 2013-04-25 | 2013-08-21 | 同济大学 | VOD load balancing method based on video scene switching |
| CN103501321A (en) * | 2013-09-23 | 2014-01-08 | 浙江工业大学 | Remote multimedia network transmission platform |
| CN104219262A (en) * | 2013-05-30 | 2014-12-17 | 好看科技（深圳）有限公司 | Media resource sharing system and method, server cluster and video player |
| CN104780210A (en) * | 2015-04-13 | 2015-07-15 | 杭州华三通信技术有限公司 | Load balancing method and device |
| CN104853221A (en) * | 2015-05-22 | 2015-08-19 | 中山大学 | Multi-source stream video on demand system and multi-source stream video on demand method based on virtual server matrix |
| CN104902001A (en) * | 2015-04-07 | 2015-09-09 | 杭州电子科技大学 | Method for load balancing of Web requests based on operating system virtualization |
| CN105100237A (en) * | 2015-07-15 | 2015-11-25 | 浪潮(北京)电子信息产业有限公司 | Scheduling control method and scheduling control system |
| CN105099753A (en) * | 2015-05-28 | 2015-11-25 | 杭州华三通信技术有限公司 | Network management system and service processing method thereof |
| CN105490888A (en) * | 2016-01-26 | 2016-04-13 | 南京贝伦思网络科技股份有限公司 | Apparatus and method for real-time load detection for rear-end servers through a Fabric plane |
| CN105553724A (en) * | 2015-12-17 | 2016-05-04 | 北京奇虎科技有限公司 | Method and device for processing data request and obtaining server information |
| CN105607951A (en) * | 2015-12-17 | 2016-05-25 | 北京奇虎科技有限公司 | Method and device for processing data request and obtaining server information |
| CN105630874A (en) * | 2015-12-18 | 2016-06-01 | 贵州大学 | Array model-based database system |
| CN106354433A (en) * | 2016-08-30 | 2017-01-25 | 北京航空航天大学 | Hot spot data mining method and device of distributed memory storage system |
| CN106534217A (en) * | 2016-12-30 | 2017-03-22 | 上海寰视网络科技有限公司 | Method and device for transmitting streaming media data |
| CN107873092A (en) * | 2015-06-25 | 2018-04-03 | 亚马逊科技公司 | Control and the user that order performs is accessed |
| CN108259603A (en) * | 2018-01-17 | 2018-07-06 | 新华三技术有限公司 | A kind of load-balancing method and device |
| CN108665794A (en) * | 2017-03-30 | 2018-10-16 | 鸿富锦精密工业（深圳）有限公司 | A kind of advertisement machine, advertisement machine management system and balancing method of loads |
| CN110808981A (en) * | 2019-11-04 | 2020-02-18 | 普联技术有限公司 | Video stream preview method and device |
| CN111680018A (en) * | 2020-04-26 | 2020-09-18 | 泰康保险集团股份有限公司 | Method, device and equipment for responding to request and readable storage medium |
| CN112328176A (en) * | 2020-11-04 | 2021-02-05 | 北京计算机技术及应用研究所 | Intelligent scheduling method based on multi-control disk array NFS sharing |
| CN112637258A (en) * | 2020-09-28 | 2021-04-09 | 西安万像电子科技有限公司 | Data processing method and system |
-
2006
- 2006-12-08 CN CN 200610125390 patent/CN1972311A/en active Pending
Cited By (77)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101330594B (en) * | 2007-06-18 | 2013-02-27 | 中兴通讯股份有限公司 | Method for storing VOD medium of equity network and media demanding system thereof |
| CN101080001B (en) * | 2007-06-22 | 2010-06-02 | 中兴通讯股份有限公司 | Device for realizing balance of media content in network TV system and its method |
| CN101179565B (en) * | 2007-09-21 | 2010-12-08 | 中兴通讯股份有限公司 | Method of implementing essential service of electric playbill |
| WO2009109092A1 (en) * | 2008-03-04 | 2009-09-11 | 华为技术有限公司 | Method, system and device for providing on demand content |
| CN101252591B (en) * | 2008-04-03 | 2011-05-04 | 中国科学技术大学 | Apparatus and method for realizing uplink and downlink data separation |
| CN101562626B (en) * | 2008-04-15 | 2013-08-07 | 华为技术有限公司 | Method, system and device for medium distribution |
| CN101741658B (en) * | 2008-11-25 | 2013-05-22 | 北京中星微电子有限公司 | Video monitoring system and interaction method in same |
| CN101753985B (en) * | 2008-11-27 | 2012-10-03 | 北京中星微电子有限公司 | Video monitoring system, and medium flow transmitting control device and method in the video monitoring system |
| WO2010115325A1 (en) * | 2009-04-09 | 2010-10-14 | 中兴通讯股份有限公司 | Method and apparatus for processing and updating service contents in a distributed file system |
| WO2010145141A1 (en) * | 2009-06-19 | 2010-12-23 | 中兴通讯股份有限公司 | Distributed node video monitoring system and management method thereof |
| CN101697633B (en) * | 2009-11-10 | 2011-12-28 | 西安西电捷通无线网络通信股份有限公司 | IP adaptation-based load balancing method and system thereof |
| CN101917326B (en) * | 2009-11-17 | 2012-11-28 | 新奥特（北京）视频技术有限公司 | Distributed trans-coding system and task scheduling method thereof |
| CN101800761B (en) * | 2009-12-25 | 2013-04-17 | 吴昊 | Lossless data compression method based on network dictionary |
| CN101800771B (en) * | 2010-01-29 | 2013-01-02 | 北京理工大学 | Copy selection method based on kernel density estimation |
| CN101778002B (en) * | 2010-02-02 | 2012-06-27 | 浪潮(北京)电子信息产业有限公司 | Large-scale cluster system and building method thereof |
| CN101808119A (en) * | 2010-03-04 | 2010-08-18 | 杭州华三通信技术有限公司 | Method and equipment for multiple storage array load balancing |
| CN101841526A (en) * | 2010-03-04 | 2010-09-22 | 清华大学 | Cluster streaming media server system applied to large-scale user demand |
| CN101841565A (en) * | 2010-04-20 | 2010-09-22 | 中国科学院软件研究所 | Database cluster system load balancing method and database cluster system |
| CN101841565B (en) * | 2010-04-20 | 2013-07-31 | 中国科学院软件研究所 | Database cluster system load balancing method and database cluster system |
| CN102104617A (en) * | 2010-11-30 | 2011-06-22 | 厦门雅迅网络股份有限公司 | Method for storing massive picture data by website operating system |
| CN102622184A (en) * | 2011-01-27 | 2012-08-01 | 北京东方广视科技股份有限公司 | Data storage system and method |
| CN102170460A (en) * | 2011-03-10 | 2011-08-31 | 浪潮(北京)电子信息产业有限公司 | Cluster storage system and data storage method thereof |
| CN102196297A (en) * | 2011-03-24 | 2011-09-21 | 东莞中山大学研究院 | Cluster processing method for multiserver VOD (video on demand) resource |
| CN102196297B (en) * | 2011-03-24 | 2014-03-26 | 东莞中山大学研究院 | Cluster processing method for multiserver VOD (video on demand) resource |
| CN102436468A (en) * | 2011-09-14 | 2012-05-02 | 山东中创软件商用中间件股份有限公司 | Load balancing method and system based on database cluster |
| CN103023937A (en) * | 2011-09-26 | 2013-04-03 | 北大方正集团有限公司 | Method and system for distributing network files |
| CN102629934B (en) * | 2012-02-28 | 2015-07-08 | 北京搜狐新媒体信息技术有限公司 | Data storage methods based on distributed storage system and apparatus thereof |
| CN102629934A (en) * | 2012-02-28 | 2012-08-08 | 北京搜狐新媒体信息技术有限公司 | Data storage methods based on distributed storage system and apparatus thereof |
| CN102637287A (en) * | 2012-03-18 | 2012-08-15 | 江苏新彩软件有限公司 | Dynamic load balancing method for high-capacity concurrent transactions of users of Internet lottery |
| CN102624924B (en) * | 2012-04-11 | 2015-02-04 | 北京昆仑万维科技股份有限公司 | Data processing method under server architecture |
| CN102624924A (en) * | 2012-04-11 | 2012-08-01 | 北京昆仑万维科技股份有限公司 | Data processing method under server architecture |
| CN102708060B (en) * | 2012-05-14 | 2015-03-25 | 华为技术有限公司 | Method, device and system for accessing image files |
| CN102708060A (en) * | 2012-05-14 | 2012-10-03 | 华为技术有限公司 | Method, device and system for accessing image files |
| CN102752132A (en) * | 2012-06-06 | 2012-10-24 | 北京像素软件科技股份有限公司 | Method, device and system for performing remote real-time monitoring on server |
| CN102932440A (en) * | 2012-10-26 | 2013-02-13 | 北京奇虎科技有限公司 | Data management method, equipment and system for distributed data storage system |
| CN102932442A (en) * | 2012-10-26 | 2013-02-13 | 北京奇虎科技有限公司 | Equipment, system and method for distributed data storage system |
| CN102970161A (en) * | 2012-11-12 | 2013-03-13 | 珠海金山网络游戏科技有限公司 | Cloud machine deployment platform and deployment method |
| CN102970382A (en) * | 2012-12-28 | 2013-03-13 | 苏州汉辰数字科技有限公司 | Quantum streaming media cloud network management system and method |
| 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 |
| CN103107951A (en) * | 2013-02-05 | 2013-05-15 | 广东全通教育股份有限公司 | Streaming media load balance method and system based on customer behavior |
| CN103139302B (en) * | 2013-02-07 | 2015-07-08 | 浙江大学 | Real-time copy scheduling method considering load balancing |
| CN103139302A (en) * | 2013-02-07 | 2013-06-05 | 浙江大学 | Real-time copy scheduling method considering load balancing |
| CN103260056A (en) * | 2013-04-25 | 2013-08-21 | 同济大学 | VOD load balancing method based on video scene switching |
| CN103260056B (en) * | 2013-04-25 | 2016-06-15 | 同济大学 | VOD load-balancing method based on video scene switching |
| CN103246592B (en) * | 2013-05-13 | 2016-12-28 | 北京搜狐新媒体信息技术有限公司 | A kind of monitoring acquisition system and method |
| CN103246592A (en) * | 2013-05-13 | 2013-08-14 | 北京搜狐新媒体信息技术有限公司 | Monitoring acquisition system and method |
| CN104219262A (en) * | 2013-05-30 | 2014-12-17 | 好看科技（深圳）有限公司 | Media resource sharing system and method, server cluster and video player |
| CN104219262B (en) * | 2013-05-30 | 2017-08-22 | 好看科技（深圳）有限公司 | Media resource share system and method, server zone, video player |
| CN103501321A (en) * | 2013-09-23 | 2014-01-08 | 浙江工业大学 | Remote multimedia network transmission platform |
| CN103501321B (en) * | 2013-09-23 | 2016-07-06 | 浙江工业大学 | remote multimedia network transmission platform |
| CN104902001A (en) * | 2015-04-07 | 2015-09-09 | 杭州电子科技大学 | Method for load balancing of Web requests based on operating system virtualization |
| CN104902001B (en) * | 2015-04-07 | 2018-04-06 | 杭州电子科技大学 | Web request load-balancing method based on operating system virtualization |
| CN104780210B (en) * | 2015-04-13 | 2019-01-25 | 新华三技术有限公司 | Load-balancing method and device |
| CN104780210A (en) * | 2015-04-13 | 2015-07-15 | 杭州华三通信技术有限公司 | Load balancing method and device |
| CN104853221A (en) * | 2015-05-22 | 2015-08-19 | 中山大学 | Multi-source stream video on demand system and multi-source stream video on demand method based on virtual server matrix |
| CN105099753A (en) * | 2015-05-28 | 2015-11-25 | 杭州华三通信技术有限公司 | Network management system and service processing method thereof |
| CN107873092A (en) * | 2015-06-25 | 2018-04-03 | 亚马逊科技公司 | Control and the user that order performs is accessed |
| CN107873092B (en) * | 2015-06-25 | 2021-10-26 | 亚马逊科技公司 | System and method for controlling user access to command execution |
| US11394714B2 (en) | 2015-06-25 | 2022-07-19 | Amazon Technologies, Inc. | Controlling user access to command execution |
| CN105100237A (en) * | 2015-07-15 | 2015-11-25 | 浪潮(北京)电子信息产业有限公司 | Scheduling control method and scheduling control system |
| CN105607951A (en) * | 2015-12-17 | 2016-05-25 | 北京奇虎科技有限公司 | Method and device for processing data request and obtaining server information |
| CN105553724A (en) * | 2015-12-17 | 2016-05-04 | 北京奇虎科技有限公司 | Method and device for processing data request and obtaining server information |
| CN105630874A (en) * | 2015-12-18 | 2016-06-01 | 贵州大学 | Array model-based database system |
| CN105490888A (en) * | 2016-01-26 | 2016-04-13 | 南京贝伦思网络科技股份有限公司 | Apparatus and method for real-time load detection for rear-end servers through a Fabric plane |
| CN105490888B (en) * | 2016-01-26 | 2018-08-24 | 南京贝伦思网络科技股份有限公司 | More back-end servers are carried out with the device and method of real time load detection by fabric plane |
| CN106354433B (en) * | 2016-08-30 | 2019-09-10 | 北京航空航天大学 | The hot spot data method for digging and device of distributed memory storage system |
| CN106354433A (en) * | 2016-08-30 | 2017-01-25 | 北京航空航天大学 | Hot spot data mining method and device of distributed memory storage system |
| CN106534217A (en) * | 2016-12-30 | 2017-03-22 | 上海寰视网络科技有限公司 | Method and device for transmitting streaming media data |
| CN108665794A (en) * | 2017-03-30 | 2018-10-16 | 鸿富锦精密工业（深圳）有限公司 | A kind of advertisement machine, advertisement machine management system and balancing method of loads |
| CN108665794B (en) * | 2017-03-30 | 2020-07-21 | 鸿富锦精密工业（深圳）有限公司 | Advertisement player, advertisement player management system and load balancing method |
| CN108259603A (en) * | 2018-01-17 | 2018-07-06 | 新华三技术有限公司 | A kind of load-balancing method and device |
| CN108259603B (en) * | 2018-01-17 | 2021-05-07 | 新华三技术有限公司 | Load balancing method and device |
| CN110808981A (en) * | 2019-11-04 | 2020-02-18 | 普联技术有限公司 | Video stream preview method and device |
| CN111680018A (en) * | 2020-04-26 | 2020-09-18 | 泰康保险集团股份有限公司 | Method, device and equipment for responding to request and readable storage medium |
| CN112637258A (en) * | 2020-09-28 | 2021-04-09 | 西安万像电子科技有限公司 | Data processing method and system |
| CN112328176A (en) * | 2020-11-04 | 2021-02-05 | 北京计算机技术及应用研究所 | Intelligent scheduling method based on multi-control disk array NFS sharing |
| CN112328176B (en) * | 2020-11-04 | 2024-01-30 | 北京计算机技术及应用研究所 | Intelligent scheduling method based on NFS sharing of multi-control disk array |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1972311A (en) | A stream media server system based on cluster balanced load | |
| US20230004434A1 (en) | Automated reconfiguration of real time data stream processing | |
| CN109074377B (en) | Managed function execution for real-time processing of data streams | |
| US6269394B1 (en) | System and method for delivery of video data over a computer network | |
| US8745262B2 (en) | Adaptive network content delivery system | |
| CN101355476B (en) | System and method for storing, distributing and applying data files based on server cluster | |
| US7076553B2 (en) | Method and apparatus for real-time parallel delivery of segments of a large payload file | |
| US8219711B2 (en) | Dynamic variable rate media delivery system | |
| US20040215733A1 (en) | Multimedia scheduler | |
| EP1587279A2 (en) | Method and apparatus for a large scale distributed multimedia streaming system and its media content distribution | |
| US20110107241A1 (en) | System and method for tracking usage | |
| US20010034786A1 (en) | Method ane system for streaming media data in heterogeneous environments | |
| WO2010060106A1 (en) | Adaptive network content delivery system | |
| Chou et al. | Striping doesn't scale: how to achieve scalability for continuous media servers with replication | |
| CA2840106A1 (en) | Offline download method, multimedia file download method and system thereof | |
| CN104469391B (en) | A kind of digital TV contents dissemination system and method based on cloud platform | |
| CN101673298A (en) | Video data distributed caching method in video on demand | |
| US20070214183A1 (en) | Methods for dynamic partitioning of a redundant data fabric | |
| CN107888666A (en) | A kind of cross-region data-storage system and method for data synchronization and device | |
| CN110390739A (en) | A kind of vehicle data processing method and vehicle data processing system | |
| EP2904736B1 (en) | Video and multimedia distribution system | |
| CN106534336A (en) | Realization system and method for video subscription dynamic states | |
| Seo et al. | Resource consumption-aware QoS in cluster-based VOD servers | |
| Curcio et al. | Design and evaluation of a multimedia storage server for mixed traffic | |
| CN115277579A (en) | Warehouse video calling method and cloud platform |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |