CN101005367A - Medium stream transmission system and control method for medium stream transmission quality - Google Patents
Medium stream transmission system and control method for medium stream transmission quality Download PDFInfo
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- CN101005367A CN101005367A CNA2006100014813A CN200610001481A CN101005367A CN 101005367 A CN101005367 A CN 101005367A CN A2006100014813 A CNA2006100014813 A CN A2006100014813A CN 200610001481 A CN200610001481 A CN 200610001481A CN 101005367 A CN101005367 A CN 101005367A
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Abstract
The system includes network for sending media stream (NSMS), and media transmission control unit (MTCU). MTCU obtains service information of media stream. After receiving request for setting up quality of media transmission of the media stream, MTCU sends notice for adjusting quality of media transmission to NSMS based on service information and adjustment strategy for service rank of the media stream requesting for setting up service rank. Based on the notice, NSMS carries out adjusting service rank for the media stream transmitted by self; and according to adjusted service rank, NSMS transmits the media stream. Based on condition of network, and user's requirement, the invention adjusts service rank of the media stream so as to raise experience of user, and enhance flexibility of transmitting network data.
Description
Technical field
The present invention relates to the media delivery field, refer to a kind of media stream transportation system and media stream delivery method of quality control especially.
Background technology
Along with the development of broadband network, network not only can provide traditional voice service, also supports the multimedia service of multiple medium types such as audio frequency, video, picture and text.This multimedia service combines with presenting data services such as business (Presence), short message, webpage (Web) are browsed, locating information, propelling movement business (Push), file-sharing, has satisfied the many-sided demand of user.Such as, aspect messaging service, instant message, chatroom and multimedia short message etc. are arranged; Aspect video traffic, there are amusement, multimedia messages to exchange etc. with daily; At electronic commerce context, catalogue, search engine, shopping cart, order management and payment etc. are arranged; In aspects of game play, solitaire game, group's recreation etc. are arranged; Aspect positioning service, missing, guide and warning etc. are arranged; Aspect personal assistant, address book, schedule, bookmark management, file storage, event notification and Email etc. are arranged.
Under the promotion of above-mentioned application, the 3GPP normal structure has proposed a kind of IP-based IP multimedia subsystem, IMS (IMS) framework.This framework uses standardized open architecture, can realize various multimedia application, for the user provides more more options and abundanter network experience.What Fig. 1 showed is the composition structure that existing Media Stream sends network, comprises client terminal (Service Client) 101, one or more transmission node 102 and application server (AS) 103.Wherein, transmission node refers to a series of routers, RNC, BSC and SGSN etc.
The user can select the different different Media Streams of connection carrying when using Network.Such as, can select the higher PDP Context of the grade of service to come carry voice traffic according to CAMEL-Subscription-Information, and use the lower connection of the grade of service to realize web browsing, the described grade of service is divided according to service quality (QoS).When abnormal conditions occurring, change such as the quality of connection of eating dishes without rice or wine and to cause that transmission bandwidth descends degradation temporarily, transmission network can be taked different disposal to the business datum of the different grades of service, the data of lower grade is abandoned or buffer memory, and guarantee the transmission of higher level data.Normally, a PDP connects can only provide a kind of grade of service, if the QoS demand of institute's carrying media stream changes in this connection, needs to initiate a QoS and revises, and could change the current grade of service.
In the existing network framework, the grade of service can't directly provide at Media Stream, can only give certain Media Stream certain grade of service indirectly by the physical connection of carrying this Media Stream.If what set up is the PDP Context of the high grade of service, then all Media Streams of this load-bearing context are the high grade of service all, and vice versa.Because establishment of connection is prior to business, and a connection can be transmitted dissimilar Media Streams, so grade of service of selecting when connecting, can't further distinguish the grade of service of a plurality of different media flows in the same connection, promptly the grade of service can't be carried out flexible configuration based on Media Stream.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of media stream transportation system, makes that the grade of service of Media Stream can be adjusted as required.
Another purpose of the present invention is to provide a kind of control method of media stream delivery quality, can adjust the media flow transmission quality on it when Media Stream sends network and carries out transfer of data.
For achieving the above object, technical scheme of the present invention specifically is achieved in that
A kind of media stream transportation system, this system comprise that Media Stream sends network, and this system also comprises the media delivery control unit;
Described media delivery control unit obtains the business information of Media Stream, and after the media transmission quality that receives this Media Stream is provided with request, according to business information and described request the grade of service adjustment strategy of Media Stream is set, and sends the media transmission quality adjustment to described Media Stream transmission network and notify;
Media Stream sends network based described notice, and the Media Stream that self is being transmitted carries out grade of service adjustment, and transmits described Media Stream according to the adjusted grade of service.
This system also comprises user control unit and subscribed database;
Described user control unit is sent media transmission quality to the media delivery control unit request is set; The media delivery control unit is according to described request, to the subscribed database checking of contracting, and checking by after the adjustment strategy of described Media Stream is set.
Described Media Stream sends network and comprises client terminal, transmission node and application server;
Then described media delivery control unit issues media transmission quality adjustment notice to one of them of described client terminal, transmission node and application server.
Described client terminal and user control unit are arranged on the same device, when this client terminal is set up in the business of described Media Stream, write down the business information of this Media Stream;
Then user control unit is obtained the business information of described Media Stream from client terminal, and reports the media delivery control unit.
When described application server is set up in the business of Media Stream, the business information of described Media Stream is reported the media delivery control unit.
Described media delivery control unit obtains the business information of described Media Stream according to self default setting.
This system also comprises operator's control unit, and then described operator control unit sends media transmission quality to the media delivery control unit request is set.
A kind of control method of media stream delivery quality is applied in the media stream transportation system, and this system comprises that Media Stream sends network and media delivery control unit, and this method may further comprise the steps:
A, media delivery control unit obtain the business information of Media Stream, and after the media transmission quality that receives this Media Stream is provided with request, and the grade of service that this Media Stream is set according to business information and described request is adjusted strategy;
B, media delivery control unit are according to the set adjustment strategy of step a, send network to Media Stream and send media transmission quality adjustment notice, after Media Stream transmission network receives described notice, the grade of service of the described Media Stream that self is being transmitted is adjusted, and transmits described Media Stream according to the adjusted grade of service.
The described method that grade of service adjustment strategy is set of step a is:
A11, user control unit are sent the Media Stream grade of service to the media delivery control unit request are set, the media delivery control unit carries out the legitimacy authentication to described user control unit, and after authentication is passed through, issue grade of service processing template to described user control unit;
The option that a12, user control unit provide according to grade of service processing template is provided with the grade of service of corresponding Media Stream, and the result will be set send to the media delivery control unit;
A13, media delivery control unit are to the subscribed database checking of contracting, if the verification passes then according to business information and the described result that is provided with of step a12, the grade of service that corresponding Media Stream is set is adjusted strategy, and replys successful respond, execution in step b then to user control unit; Otherwise the media delivery control unit sends refuse information to user control unit, process ends.
The described Media Stream grade of service of step a11 is provided with request and adopts Session Initiation Protocol, or http protocol, or the XCAP agreement realizes.
The described method that grade of service adjustment strategy is set of step a is:
A21, operator's control unit set in advance grade of service processing template, and send to the media delivery control unit by Media Stream grade of service modification request;
A22, media delivery control unit be according to business information and grade of service processing template, and the grade of service that corresponding Media Stream is set is adjusted strategy, and judges whether to be provided with success, if success then reply successful respond, and execution in step b; Otherwise the media delivery control unit sends refuse information to operator's control unit, process ends.
The method to set up of described grade of service adjustment strategy is specially: the media delivery control unit is the MPLS label of described allocated for media streams correspondence according to the record of grade of service processing template, and the ToS value of IP bag perhaps is set.
The described method of sending media transmission quality adjustment notice of step b is: one of them of client terminal, transmission node and the application server of media delivery control unit in Media Stream transmission network issues media transmission quality adjustment notice.
Described client terminal and user control unit are arranged on the same device, when this client terminal is set up in the business of described Media Stream, write down the business information of this Media Stream;
Then the described method of obtaining the business information of Media Stream of step a is: user control unit is obtained the business information of described Media Stream from client terminal, and reports the media delivery control unit.
The described method of obtaining the business information of Media Stream of step a is: when application server is set up in the business of Media Stream, the business information of described Media Stream is reported the media delivery control unit;
Perhaps, the media delivery control unit obtains the business information of described Media Stream according to self default setting.
The business information of described Media Stream comprises: IP address and port numbers, type of service and the application server identifier of media flow transmission.
Described media transmission quality adjustment notice is according to Session Initiation Protocol, or H.248 agreement sends.
As seen from the above technical solution, this media stream transportation system of the present invention and media stream delivery method of quality control can be adjusted the Media Stream grade of service according to network condition and user's request.Such as, when the connection that the user utilizes the PoC system to provide sends PoC speech business and ftp business simultaneously,, can send the transmission that network preferentially guarantees the ftp business by appointment of medium stream if think that the importance of ftp business is higher than the PoC speech business.The present invention has realized the grade of service flexible configuration of media stream service, guarantees that important business datum obtains the priority treatment of network, thereby has promoted user's impression, strengthens the flexibility of network data transmission.
Description of drawings
Fig. 1 is the composition structure that Media Stream sends network in the prior art;
Fig. 2 is the composition structure of media stream transportation system among the present invention;
Fig. 3 is for realizing the flow process of media stream delivery quality control among the present invention;
Fig. 4 is that operator's control unit is carried out the flow process that media flow quality is provided with in a preferred embodiment of the present invention;
Fig. 5 is that user control unit is carried out the flow process that media flow quality is provided with in a preferred embodiment of the present invention.
Embodiment
For making purpose of the present invention, technical scheme and advantage clearer, below with reference to the accompanying drawing embodiment that develops simultaneously, the present invention is described in more detail.
What Fig. 2 showed is the composition structure of media stream transportation system among the present invention, and this system comprises that media delivery control unit 201, operator's control unit (Operator) 202, user control unit (User) 203, subscribed database 204 and Media Stream send network.Wherein, Media Stream sends network and is used to carry out media flow transmission, and it is same as the prior art that it forms structure, specifically comprises client terminal 101, one or more transmission node 102 and application server 103, repeats no more herein.Media delivery control unit 201 can be provided with separately, also can be integrated in the same equipment with application server 103, perhaps uses existing certain transmission node 102 to realize.
Described operator control unit 202 can be that operator is the HTTP operation pages that administrative staff are provided with, administrative staff are by this operator's control unit 202, send media transmission quality to media delivery control unit 201 request is set, the transmission quality of certain Media Stream is provided with or revises.
Media delivery control unit 201 is receiving after the media transmission quality that this media flow transmission quality is set is provided with request, business information and above-mentioned request according to this Media Stream are provided with grade of service adjustment strategy, and send media transmission quality adjustment notice to described Media Stream transmission network.
The method to set up of described grade of service adjustment strategy is: the grade of service is divided into the first estate, second grade etc., and priority and QoS that each grade is corresponding certain, and be that described Media Stream is selected a grade in above-mentioned grade.
Because sending network, Media Stream comprises client terminal 101, transmission node 102 and application server 103, so media delivery control unit 201 can be to one of them individual media transmission quality adjustment notice that issues of client terminal 101, transmission node 102 and application server 103, to adjust the media flow transmission quality of correspondent section network.
Media Stream sends network based described notice, and this Media Stream that self is being transmitted carries out grade of service adjustment, and transmits described Media Stream according to the adjusted grade of service.
If the request that Media Stream transmission network receives is that the grade of service of certain Media Stream of self is heightened, and the grade of service of all Media Streams of this transmission over networks all is provided with higherly, there is not this moment enough system resource can support this time to adjust, Media Stream sends the grade of service that network can temporarily reduce other Media Stream so, with the grade of service of the preferential assurance Media Stream of being asked.
Above-mentioned setting or modification to the media flow transmission quality also can be initiated by user side, is specially:
User control unit 203 is sent media transmission quality to media delivery control unit 201 request is set; Media delivery control unit 201 is according to described request, obtain the subscription data of respective user from subscribed database 204, and whether the request of judging this user meets subscription data, if meet then show this user by signatory checking, media delivery control unit 201 will be provided with the adjustment strategy of corresponding Media Stream according to user's requirement.
Before the transmission quality to Media Stream was provided with, media delivery control unit 201 need obtain the business information of this Media Stream, such as the IP address and the port numbers of media flow transmission, type of service and application server identifier etc.
Generally speaking, application server 103 can be when the business of Media Stream be set up, and the business information of described Media Stream is reported media delivery control unit 201.
In addition, user control unit 203 and client terminal 101 can also be arranged on the same device, when client terminal 101 is set up in the business of Media Stream, can write down the business information of this Media Stream.User control unit 203 is being initiated media transmission quality when request is set, and obtains the business information of described Media Stream from client terminal 101, reports media delivery control unit 201.
In the said process, media delivery control unit 201 also can set in advance the business information of certain class Media Stream, such as the AS of broadcasting service sign etc., in case receive media flow quality adjustment request, will issue to the AS of broadcasting service according to the default setting of self and adjust notice at broadcasting service.
Based on system shown in Figure 2, realize among the present invention that the flow process of media stream delivery quality control is seen Fig. 3, may further comprise the steps:
A, when Media Stream sends network and carries out normal media flow transmission, operator's control unit is provided with the grade of service of this Media Stream to the application of media delivery control unit.The media delivery control unit is receiving after media transmission quality is provided with request, and according to above-mentioned request and the media stream service information self known, the grade of service that described Media Stream is set is adjusted strategy.
Such as, the grade of service that operator's control unit can be set voice business on the PoC server is higher than video data, and perhaps setting the PoC server provides the professional grade of service to be higher than the IM server.The instantiation that operator's control unit is carried out above-mentioned setting may further comprise the steps as shown in Figure 4:
Step 401, operator's control unit set in advance grade of service processing template, and send to the media delivery control unit by Media Stream grade of service modification request.
In this step, operator can be provided with grade of service processing template by the mode of data configuration, and the format and content of this template can be provided with arbitrarily as required.Such as, described template comprises contents such as grade of service selection, type of service selection, and is arranged to forms such as form.With the PoC server is example, and table one is the grade of service processing list that operator is provided with for this server, and all list items all are set to default value.
| Service name | PoCv2.0 |
| Service provider name | ptt.ShunTong.com |
| Service data type1 voice | High class |
| Service data type2 video | Medium class |
| Service data type3 message | Low class |
| Service data type4 ftp | Low class |
| Service data type5 others | Low class |
Table one
When data congestion takes place, the Media Stream that is labeled as senior (High class) will preferentially obtain transmitting, and other other Media Streams of level can only be buffered or directly abandon.
Step 402, media delivery control unit be according to business information and grade of service processing template, and the grade of service that corresponding Media Stream is set is adjusted strategy, and judges whether to be provided with success, if success then reply successful respond, and execution in step B; Otherwise the media delivery control unit sends refuse information to operator's control unit, and as shown in phantom in Figure 4, this is provided with failure to show operator, and flow process finishes.
In addition, also can send the above-mentioned grade of service in the steps A request is set by user control unit.The instantiation that user control unit is carried out above-mentioned setting may further comprise the steps as shown in Figure 5:
Step 501, user control unit are sent the Media Stream grade of service to the media delivery control unit request are set.
When the media delivery control unit is that business is when setting up certain node in the process, the described Media Stream grade of service is provided with request can adopt realizations such as existing Session Initiation Protocol, http protocol or XCAP agreement, such as the SIP UPDATE message, the SIP REINVITE message that adopt in the Session Initiation Protocol, or SIPMESSAGE message etc., the processing so that system charges etc.Be used to revise the transmission quality of Media Stream owing to will originally be used to revise the SIP signaling of carrying quality, so need further to be provided with field in the message such as SIP UPDATE, being used to distinguish certain modification request is at carrying quality or media flow quality.
Step 502～503, media delivery control unit carry out authentication to the access legitimacy of user control unit, and after authentication is passed through, grade of service processing template are sent to user control unit by Media Stream grade of service download message.
Step 504, user control unit are provided with the grade of service of corresponding Media Stream according to the option that provides in the template after obtaining grade of service processing template, and the result will be set revise request by the Media Stream grade of service and send to the media delivery control unit.
Step 505～507, media delivery control unit are to the subscribed database checking of contracting, if the verification passes then according to business information and the described result that is provided with of step 504, the grade of service that corresponding Media Stream is set is adjusted strategy, and to user control unit answer successful respond, execution in step B then; Otherwise the media delivery control unit sends refuse information to user control unit, and flow process finishes.
Because each user control unit all is assigned a user gradation when signatory, the modification authority of the user control unit of different brackets is different, so the media delivery control unit need arrive subscribed database and examine, whether this modification of user control unit exceeds extent of competence.
Find out that from foregoing description operator and user can send transmission quality to the media delivery control unit simultaneously request is set, and perhaps only have a side to send above-mentioned request.Generally speaking, the priority that is provided with of operator is higher than the user, if operator and user file an application simultaneously, the grade of service of Media Stream will be provided with according to the requirement of operator.User control unit only under the permission of subscribed database and/or operator, could be revised the grade of service of Media Stream.
In addition, the media delivery control unit can obtain the business information of described Media Stream according to the default setting of self.Perhaps, when application server was set up in the business of Media Stream, the business information with described Media Stream reported the media delivery control unit in advance.Client terminal and user control unit can also be arranged on the same device, when client terminal is set up in the business of described Media Stream, can write down the business information of this Media Stream.Like this, user control unit just can be obtained the business information of described Media Stream from client terminal, reports the media delivery control unit.
B, media delivery control unit send network to Media Stream and send media transmission quality adjustment notice according to the set adjustment strategy of steps A.
Described that the method for adjusting strategy is set is comparatively various, such as the record of media delivery control unit according to grade of service processing template, is the MPLS label of described allocated for media streams correspondence, and the ToS value of IP bag etc. perhaps is set.
After setting the adjustment strategy, the media delivery control unit will send one of them individual media transmission quality adjustment notice that issues of client terminal, transmission node and application server in the network to Media Stream, and described media transmission quality adjustment notice adopts SIP or H.248 agreement carrying transmission.
After C, Media Stream transmission network received described notice, the grade of service of the described Media Stream that self is being transmitted was adjusted, and transmits described Media Stream according to the adjusted grade of service.
In this step, after client terminal, transmission node and/or application server are received quality adjustment notice, can carry out corresponding transmission control strategy, such as the ToS value of wrapping by the IP that adjusts Media Stream, or adjust the MPLS label and revise connection attribute, thereby adjust the QoS of certain Media Stream or priority etc., the Media Stream that makes the grade of service heighten can be inserted into the high-priority queue priority treatment.
In the said process, if client terminal is roamed, the media delivery control unit can directly be handed down to media transmission quality adjustment notice the transmission node of the roaming network at client terminal place, perhaps be handed down to the transmission node of home network earlier, send to roaming network by home network again, roam subscription data transmission etc. such as conduct.
By the above embodiments as seen, this media stream transportation system of the present invention and media stream delivery method of quality control, can adjust the Media Stream grade of service according to network condition and user's request, thereby realize the flexible configuration of the Media Stream grade of service, guarantee that important business datum obtains the priority treatment of network, promote user's impression, strengthened the flexibility of network data transmission.
Claims (17)
1, a kind of media stream transportation system, this system comprise that Media Stream sends network, is characterized in that this system also comprises the media delivery control unit;
Described media delivery control unit obtains the business information of Media Stream, and after the media transmission quality that receives this Media Stream is provided with request, according to business information and described request the grade of service adjustment strategy of Media Stream is set, and sends the media transmission quality adjustment to described Media Stream transmission network and notify;
Media Stream sends network based described notice, and the Media Stream that self is being transmitted carries out grade of service adjustment, and transmits described Media Stream according to the adjusted grade of service.
2, system according to claim 1 is characterized in that, this system also comprises user control unit and subscribed database;
Described user control unit is sent media transmission quality to the media delivery control unit request is set; The media delivery control unit is according to described request, to the subscribed database checking of contracting, and checking by after the adjustment strategy of described Media Stream is set.
3, system according to claim 2 is characterized in that, described Media Stream sends network and comprises client terminal, transmission node and application server;
Then described media delivery control unit issues media transmission quality adjustment notice to one of them of described client terminal, transmission node and application server.
4, system according to claim 3 is characterized in that, described client terminal and user control unit are arranged on the same device, when this client terminal is set up in the business of described Media Stream, writes down the business information of this Media Stream;
Then user control unit is obtained the business information of described Media Stream from client terminal, and reports the media delivery control unit.
5, system according to claim 3 is characterized in that, when described application server is set up in the business of Media Stream, the business information of described Media Stream is reported the media delivery control unit.
6, system according to claim 3 is characterized in that, described media delivery control unit obtains the business information of described Media Stream according to self default setting.
7, system according to claim 1 is characterized in that, this system also comprises operator's control unit, and then described operator control unit sends media transmission quality to the media delivery control unit request is set.
8, a kind of control method of media stream delivery quality is applied in the media stream transportation system, and this system comprises that Media Stream sends network and media delivery control unit, is characterized in that this method may further comprise the steps:
A, media delivery control unit obtain the business information of Media Stream, and after the media transmission quality that receives this Media Stream is provided with request, and the grade of service that this Media Stream is set according to business information and described request is adjusted strategy;
B, media delivery control unit are according to the set adjustment strategy of step a, send network to Media Stream and send media transmission quality adjustment notice, after Media Stream transmission network receives described notice, the grade of service of the described Media Stream that self is being transmitted is adjusted, and transmits described Media Stream according to the adjusted grade of service.
9, method according to claim 8 is characterized in that, the described method that grade of service adjustment strategy is set of step a is:
A11, user control unit are sent the Media Stream grade of service to the media delivery control unit request are set, the media delivery control unit carries out the legitimacy authentication to described user control unit, and after authentication is passed through, issue grade of service processing template to described user control unit;
The option that a12, user control unit provide according to grade of service processing template is provided with the grade of service of corresponding Media Stream, and the result will be set send to the media delivery control unit;
A13, media delivery control unit are to the subscribed database checking of contracting, if the verification passes then according to business information and the described result that is provided with of step a12, the grade of service that corresponding Media Stream is set is adjusted strategy, and replys successful respond, execution in step b then to user control unit; Otherwise the media delivery control unit sends refuse information to user control unit, process ends.
10, method according to claim 9 is characterized in that, the described Media Stream grade of service of step a11 is provided with request and adopts Session Initiation Protocol, or http protocol, or the XCAP agreement realizes.
11, method according to claim 8 is characterized in that, the described method that grade of service adjustment strategy is set of step a is:
A21, operator's control unit set in advance grade of service processing template, and send to the media delivery control unit by Media Stream grade of service modification request;
A22, media delivery control unit be according to business information and grade of service processing template, and the grade of service that corresponding Media Stream is set is adjusted strategy, and judges whether to be provided with success, if success then reply successful respond, and execution in step b; Otherwise the media delivery control unit sends refuse information to operator's control unit, process ends.
12, according to claim 9,10 or 11 described methods, it is characterized in that, the method to set up of described grade of service adjustment strategy is specially: the media delivery control unit is according to the record of grade of service processing template, be the MPLS label of described allocated for media streams correspondence, the ToS value of IP bag perhaps is set.
13, according to claim 9,10 or 11 described methods, it is characterized in that the described method of sending media transmission quality adjustment notice of step b is: one of them of client terminal, transmission node and the application server of media delivery control unit in Media Stream transmission network issues media transmission quality adjustment notice.
14, method according to claim 13 is characterized in that, described client terminal and user control unit are arranged on the same device, when this client terminal is set up in the business of described Media Stream, writes down the business information of this Media Stream;
Then the described method of obtaining the business information of Media Stream of step a is: user control unit is obtained the business information of described Media Stream from client terminal, and reports the media delivery control unit.
15, method according to claim 13 is characterized in that, the described method of obtaining the business information of Media Stream of step a is: when application server is set up in the business of Media Stream, the business information of described Media Stream is reported the media delivery control unit;
Perhaps, the media delivery control unit obtains the business information of described Media Stream according to self default setting.
16, method according to claim 8 is characterized in that, the business information of described Media Stream comprises: IP address and port numbers, type of service and the application server identifier of media flow transmission.
17, method according to claim 8 is characterized in that, described media transmission quality adjustment notice is according to Session Initiation Protocol, or H.248 agreement sends.
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| CN101399725B (en) * | 2007-09-29 | 2011-06-01 | 华为技术有限公司 | Network control method and device for user terminal and VCR operation |
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| CN107404454A (en) * | 2016-05-18 | 2017-11-28 | 中国移动通信集团广东有限公司 | Speech quality method of adjustment and device |
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| CN107968848A (en) * | 2017-11-27 | 2018-04-27 | 广东欧珀移动通信有限公司 | A kind of method, terminal device and storage medium for obtaining IP address |
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| CN110213623B (en) * | 2019-06-03 | 2021-08-06 | 上海哔哩哔哩科技有限公司 | Video uploading method, video uploading device and computer readable storage medium |
| WO2021147354A1 (en) * | 2020-01-21 | 2021-07-29 | 华为技术有限公司 | Service level configuration method and device |
| CN113225196A (en) * | 2020-01-21 | 2021-08-06 | 华为技术有限公司 | Service level configuration method and device |
| CN113225196B (en) * | 2020-01-21 | 2023-11-03 | 华为技术有限公司 | Service level configuration method and device |
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