CN1964480A - A method for switching stream media server - Google Patents
A method for switching stream media server Download PDFInfo
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- CN1964480A CN1964480A CN 200510101342 CN200510101342A CN1964480A CN 1964480 A CN1964480 A CN 1964480A CN 200510101342 CN200510101342 CN 200510101342 CN 200510101342 A CN200510101342 A CN 200510101342A CN 1964480 A CN1964480 A CN 1964480A
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Abstract
The disclosed method for switching flow media server comprises: when moving, the terminal service area request to reselect the current optimal server for user; the latter receives data through current optimal server. This invention can increase visiting speed for high user business efficiency.
Description
Technical field
The present invention relates to field of data transmission, relate in particular to a kind of method of switching flow media server.
Background technology
Rise along with broadband network and broadband streaming media application, CDN (is commonly called content distributing network Content Distribution Network, sometimes also be known as content transmission network Content DeliveryNetWork) as a kind of raising Web content, particularly improve the service quality of streaming medium content transmission, the technology of saving backbone network bandwidth, obtain application more and more widely at home and abroad.The purpose of content delivery network is by increasing the new network architecture of one deck in existing Internet, with the content release of network near user's network " edge ", make the user can obtain required content nearby, improve the speed of user capture website.
Content delivery network generally adopts hierarchical approaches, step by step down sending content is arrived network edge.Be example with three grades of content delivery networks below, three grades of equipment be called: central apparatus, regional equipment and edge device.The main modular that each grade equipment comprises has: streaming media server, user's scheduler module, content managing module, information acquisition module.Their major function is described below:
Streaming media server: the program source that the storage user watches, and user profile is passed to aaa server carry out authentication;
User's scheduler module: finish scheduling, control to user capture, for example the selection of streaming media server, user request information is redirected;
Content managing module: finish the operations such as distribution, deletion and renewal of streaming medium content, and with content modification message informing user scheduler module;
Information acquisition module: the information that recorded program is accessed when a program of user capture in a zone arrives certain number of times, just pulls down to program in this regional marginal flow media server.
In addition, a content delivery network has a charging proxy server and a door equipment, and the major function of charging proxy server is: finish the collection of charge information, and to aaa server transmission charging Information Monitoring the user is chargeed.Door equipment generally is a regular website, and the user can visit program in the content delivery network by landing this website.
Secondly, have a look the content ways of distribution in the content delivery network.The content ways of distribution is initiatively to be distributed as the master, and passive PULL is auxilliary.Initiatively distribution is divided into again: manually distribution immediately, timing automatic distribution, distribution periodically automatically, single wholesale and wholesale in batches etc.Content can be distributed in the streaming media server by the active ways of distribution.Passive PULL is meant that mainly streaming media server is according to certain strategy drop-down program source in upper level streaming media server or the content server initiatively.
As shown in Figure 1, content delivery network for user terminal provides the flow process of service is in the prior art:
101, the program oneself liked by the door choice of equipment of terminal use;
102, door equipment sends to central apparatus user scheduler module with user's request;
103, central apparatus user scheduler module is redirected to regional equipment user's scheduler module according to user profile with user's request;
104, regional equipment user's scheduler module is selected optimum streaming media server for the user.Here being noted that does not have user's scheduler module in the edge device shown in the figure, this can be provided with according to actual conditions, and the marginal flow media server among the figure is all managed by regional equipment user's scheduler module;
105, the streaming media server of described optimum extracts user profile from user's request, and user profile is sent to the charging proxy module;
106, the charging proxy module is delivered to aaa server with user profile and is carried out authentication;
107, aaa server by after the authentication to charging proxy server response authentication responses, start user's charging process simultaneously;
108, the charging proxy module sends to authentication responses the streaming media server of described optimum;
109, the streaming media server of described optimum receives that the authentication responses rear line provides service.
When user terminal the coverage takes place when switching, prior art adopts mobile IP technology to solve data transmission problems when mobile.Its flow process is as shown in Figure 2:
200, travelling carriage receives that the broadcast of acting on behalf of that Foreign Agent sends knows that oneself being in the other places connects on the road;
201, travelling carriage is received the address information of the local agent of the local agent broadcast acquisition oneself that local agent sends;
202, travelling carriage is outwards acted on behalf of and is sent the MIP register requirement;
203, after Foreign Agent is received the MIP request of portable terminal, send authentication request to visited aaa server;
204, decision is forwarded to appropriate ownership aaa server with authentication request message to visited aaa server according to network identity;
205, the ownership aaa server sends authentication response message to visited aaa server;
206, visited aaa server is transmitted authentication response message to Foreign Agent;
207, Foreign Agent sends the MIP login request message to local agent;
208, local agent is outwards acted on behalf of and is sent the MIP registration reply message;
209, Foreign Agent behind the recording responses, is transmitted registration reply message to travelling carriage in visitor list.
210, Foreign Agent sends the beginning message of chargeing to visited aaa server, and this charging message is forwarded to the ownership aaa server;
211, the local agent interception is mail to the packet of travelling carriage and it is mail to Foreign Agent, is transmitted to travelling carriage by Foreign Agent again.
Can see, mobile IP technology is set up service tunnel between the local agent of the Foreign Agent of travelling carriage access and ownership place, like this after travelling carriage is moved, the local agent of ownership place will be tackled the packet that mails to travelling carriage, by and the Foreign Agent of access between service tunnel with data packet delivery to travelling carriage.So just a problem is arranged: the purpose of content delivery network is a content release that the user will be visited near user's " edge ", to reach the purpose that improves user capture speed.If use the MIP technology, the user is after being moved, and the user still provided service by former media server, like this, does not reach content release that the user will be visited near the purpose at user " edge ".
Summary of the invention
In view of this, main purpose of the present invention be to provide a kind of in content delivery network the method for switching flow media server, after moving, user terminal generation service area carries out the selection of a streaming media server again, provide service by current optimum streaming media server for the user, can improve user's access speed like this.
For achieving the above object, technical scheme of the present invention specifically is achieved in that
A kind of method of switching flow media server comprises:
A, request streaming media server gravity treatment when user terminal generation service area moves;
B, be the current optimum streaming media server of user terminal selecting;
C, user terminal receive data by current optimum streaming media server.
Preferable, described steps A specifically comprises:
A0, when user terminal generation service area moves, send streaming media server gravity treatment message to former optimum streaming media server;
After A1, former optimum streaming media server are received described streaming media server gravity treatment message, send the user to regional equipment user's scheduler module and ask redirect message.
Preferable, in the described steps A 0,
Comprise also user terminal judges whether self the process that service area moves takes place: user terminal detects data rate in real time, when data rate moves less than predefined threshold value time domain equipment user terminal judges generation service area.
Preferable, in the described steps A 0,
Described streaming media server gravity treatment message comprises: the proxy server address information in the current zone of living in of user terminal.
Preferable, in the described steps A 1,
After former optimum streaming media server is received described streaming media server gravity treatment message, extract proxy server address information and send the user and ask redirect message to regional equipment user's scheduler module.
Preferable, in the described steps A 1,
Described user asks redirect message to comprise: the user starts the subscription request message and the described proxy server address information that extracts of service.
Preferable, describedly reselect current optimum streaming media service implement body for user terminal and comprise:
Zone equipment user scheduler module is the current optimum streaming media server of user terminal selecting according to the current region of user terminal and sends the streaming media server acknowledge message to current optimum streaming media server.
Preferable, among the described step B, reselect current optimum streaming media server for user terminal and take a step forward and comprise:
B0, regional equipment user's scheduler module judge that according to the described proxy server address information that extracts user terminal is whether within its compass of competency, if then be the current optimum streaming media server of user terminal selecting; Otherwise carry out B1;
B1, regional equipment user's scheduler module ask redirect message to be transmitted to central apparatus user scheduler module described user, central apparatus user scheduler module redirects to user's request on regional equipment user's scheduler module of the current region of user terminal according to the proxy server address information in this message, is the current optimum streaming media server of user terminal selecting by this zone equipment user's scheduler module.
Preferable, describedly reselect current optimum streaming media service implement body for user terminal and comprise:
To ask redirect message be the current optimum streaming media server of user terminal selecting to zone equipment user scheduler module and send the streaming media server acknowledge message to current optimum streaming media server according to the user.
Preferable, described streaming media server acknowledge message comprises: the user starts the address information of the subscription request message and the former optimum streaming media server of service.
Preferable, among the described step C, user terminal receives data by current optimum streaming media server and further comprises:
C0, current optimum streaming media server send streaming media server handoff request message to former optimum streaming media server;
C1, former optimum streaming media server return streaming media server handover acknowledge message to current optimum streaming media server after receiving described streaming media server handoff request message, stop simultaneously sending out packet to user terminal;
Preferable, described streaming media server handover acknowledge message comprises: the playing programs progress msg.
Preferable, user terminal receives data by described current optimum streaming media server and further comprises:
It does not contain user's required programs current optimum streaming media server judges, then carries out information interaction with regional equipment user's scheduler module, obtains containing the regional equipment streaming media server information of user's required programs.
Preferable, described regional equipment streaming media server is issued current optimum streaming media server with user's required programs.
Preferable, among the described step C, user terminal receives data by current optimum streaming media server and specifically comprises:
User terminal is by the data of current optimum streaming media server reception from regional equipment streaming media server.
Preferable, among the described step C, user terminal receives data by current optimum streaming media server and specifically comprises:
Current optimum streaming media server according to the playing programs progress msg in the described streaming media server handover acknowledge message to user terminal to transmit data.
As seen from the above technical solution, of the present invention this in content delivery network the method for switching flow media server, after the user is moved when enjoying streaming media service, Zui You streaming media server no longer had been optimum streaming media server in the past, at this moment reselect current optimum streaming media server for user terminal, guarantee the high efficiency of customer service.
Description of drawings
The flow chart of Fig. 1 data transmission problems when mobile for existing mobile IP technology solves;
Fig. 2 provides the flow chart of service for user terminal for the prior art content delivery network;
Fig. 3 is the switching flow media server flow process of first embodiment of the invention;
Fig. 4 is the switching flow media server flow process of second embodiment of the invention;
Fig. 5 is the switching flow media server flow process of third embodiment of the invention;
Fig. 6 is the switching flow media server flow process of fourth embodiment of the invention.
Embodiment
After user terminal moves to another zone, carry out reselecting of streaming media server and switch by the method for a kind of switching flow media server provided by the invention, make user's interview show content efficiently.
For make 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.
According to user terminal move the region, back whether in the compass of competency of former optimum streaming media server affiliated area equipment user scheduler module and regional equipment user's scheduler module be whether the current optimum streaming media server of user terminal selecting comprises the user terminal required programs, will describe in detail with four embodiment below.
In embodiment one, the present embodiment, user terminal moves the region, back does not have the needed content of user in the compass of competency of former optimum streaming media server affiliated area equipment user scheduler module and in the current optimum streaming media server of reselecting for user terminal.The flow process of switching flow media server specifically comprises the steps: as shown in Figure 3 at this moment
After step 302, former optimum streaming media server 35 are received streaming media server gravity treatment message, extract the address information of acting server, and the 34 transmission users of the regional equipment user's scheduler module under it ask redirect message, this user asks in the redirect message also to comprise the proxy server address information of extracting the user request information when comprising that the user starts service from streaming media server gravity treatment message;
After step 306, former optimum streaming media server 35 are received this request, respond streaming media server handover acknowledge message, wherein contain the playing programs progress msg, stop simultaneously sending packet to the user to current optimum streaming media server 36;
Step 307 is to 308, after current optimum streaming media server 36 receives optimum streaming media server handover acknowledge message, extract playing programs progress msg wherein, the playing programs progress msg is sent to regional equipment streaming media server 33, and regional equipment streaming media server 33 provides service by current optimum streaming media server 36 for the user;
This step also has a kind of processing method to be when practical application, equipment streaming media server 33 program that the user is required in zone sends to current optimum streaming media server 36, then current optimum streaming media server 36 directly provides service to the user after extracting playing programs progress msg in the handover acknowledge message that former optimum streaming media server 35 sends over.
In embodiment two, the present embodiment, user terminal move the region, back in the compass of competency of former optimum streaming media server affiliated area equipment user scheduler module and regional equipment user's scheduler module be to contain the required program of user in the current optimum streaming media server reselected of user terminal.This moment, flow process such as Fig. 4 of switching flow media server showed, specifically comprised the steps:
After step 402, former optimum streaming media server 45 are received streaming media server gravity treatment message, extract the address information of acting server wherein, and the 44 transmission users of the regional equipment user's scheduler module under it ask redirect message, this user asks in the redirect message also to comprise the proxy server address information of extracting the user request information when comprising that the user starts service from streaming media server gravity treatment message;
After step 405, former optimum streaming media server 45 are received this request, respond streaming media server handover acknowledge message, wherein contain the playing progress rate information of program, stop simultaneously sending packet to the user to current optimum streaming media server 46;
After step 406, current optimum streaming media server 46 are received streaming media server handover acknowledge message, extract playing programs progress msg wherein, provide service for the user according to this playing programs progress msg.
In embodiment three, the present embodiment, user terminal move the back place the zone not in the compass of competency of former optimum streaming media server affiliated area equipment user scheduler module and the current optimum streaming media server of reselecting comprise the needed programme content of user terminal, as shown in Figure 5, specifically comprise the steps:
After step 502, former optimum streaming media server 57 are received streaming media server gravity treatment message, extract the address information of acting server wherein, and the regional equipment user's scheduler module 54 transmission users under former optimum streaming media server 57 ask redirect message, this user asks in the redirect message also to comprise the proxy server address information of extracting the user request information when comprising that the user starts service from streaming media server gravity treatment message;
After step 507, former optimum streaming media server 57 are received this request, respond streaming media server handover acknowledge message, wherein contain the playing progress rate information of program, stop simultaneously sending packet to the user to current optimum streaming media server 58;
After step 508, current optimum streaming media server 58 are received streaming media server handover acknowledge message, extract playing programs progress msg wherein, provide service for the user according to this playing programs progress msg.
In embodiment four, the present embodiment, user terminal move the back place the zone not in the compass of competency of former optimum streaming media server affiliated area equipment user scheduler module and the current optimum streaming media server of reselecting do not comprise the user terminal required programs, as shown in Figure 6, specifically comprise the steps:
Step 601, user terminal detect data rate in real time, when data rate is lower than a threshold value, send streaming media server gravity treatment message to former optimum streaming media server 67, comprise the address information of the acting server in user zone of living in the message;
After step 602, former optimum streaming media server 67 are received streaming media server gravity treatment message, extract the address information of acting server wherein, and the 64 transmission users of the regional equipment user's scheduler module under it ask redirect message, this user asks in the redirect message also to comprise the proxy server address information of extracting the user request information when comprising that the user starts service from streaming media server gravity treatment message;
Step 603, regional equipment user's scheduler module 64 are judged the user not in the compass of competency of oneself according to the address information of acting server, just this user is asked redirect message to be transmitted to central apparatus user scheduler module under regional equipment user's scheduler module 64, the central apparatus user scheduler module that present embodiment supposition user dispatches under 64 of the moulds is a central apparatus user scheduler module 61;
Step 604, central apparatus user scheduler module 61 are redirected to user's request according to the address information of acting server regional equipment user's scheduler module 66 of the current in-scope of user terminal;
Step 605, regional equipment user's scheduler module 66 be current optimum streaming media server for the user reselects, and to current optimum streaming media server transmission streaming media server acknowledge message, this message comprises the user request information when user starts business and the address information of former optimum streaming media server, and the current optimum streaming media server that the present embodiment supposition is reselected is a streaming media server 68;
Step 606, current optimum streaming media server 68 find that on inspection it does not have user's required programs, then carry out information interaction with regional equipment user's scheduler module 66, obtain containing the information of the regional equipment streaming media server of user's required programs, the regional equipment streaming media server of the described user's of the containing required programs of this enforcement supposition is a streaming media server 65;
Step 607, current optimum streaming media server 68 send streaming media server handoff request message to former optimum streaming media server 67;
After step 608, former optimum streaming media server 67 are received this request, respond streaming media server handover acknowledge message, wherein contain the playing progress rate information of program, stop simultaneously sending packet to the user to current optimum streaming media server 68;
Step 609 is to 610, after current optimum streaming media server 68 receives optimum streaming media server handover acknowledge message, extract the playing programs progress msg, the playing programs progress msg is sent to regional equipment streaming media server 65, zone equipment streaming media server 65 provides service by current optimum streaming media server 68 for the user
This step also has a kind of processing method to be when practical application, equipment streaming media server 65 program that the user is required in zone sends to current optimum streaming media server 68, then current optimum streaming media server 68 directly provides service to the user after extracting playing programs progress msg in the former optimum streaming media server handover acknowledge message.
By the above embodiments as seen, of the present invention this in content delivery network the method for switching flow media server, after when the user is enjoying streaming media service, being moved, can select streaming media server again by user's scheduler module, carry out information interaction between the new and old streaming media server and the switching of streaming media server takes place, guarantee the high efficiency of customer service.
Above-described specific embodiment; purpose of the present invention, technical scheme and beneficial effect have been carried out further detailed description; institute is understood that; the above only is specific embodiments of the invention; not in order to restriction the present invention; within the spirit and principles in the present invention all, any modification of being made, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (16)
1, a kind of method of switching flow media server is characterized in that, this method comprises:
A, request streaming media server gravity treatment when user terminal generation service area moves;
B, be the current optimum streaming media server of user terminal selecting;
C, user terminal receive data by current optimum streaming media server.
2, the method for a kind of switching flow media server as claimed in claim 1 is characterized in that, described steps A specifically comprises:
A0, when user terminal generation service area moves, send streaming media server gravity treatment message to former optimum streaming media server;
After A1, former optimum streaming media server are received described streaming media server gravity treatment message, send the user to regional equipment user's scheduler module and ask redirect message.
3, the method for a kind of switching flow media server as claimed in claim 2 is characterized in that, in the described steps A 0,
Comprise also user terminal judges whether self the process that service area moves takes place: user terminal detects data rate in real time, when data rate moves less than predefined threshold value time domain equipment user terminal judges generation service area.
4, the method for a kind of switching flow media server as claimed in claim 2 is characterized in that, in the described steps A 0,
Described streaming media server gravity treatment message comprises: the proxy server address information in the current zone of living in of user terminal.
5, the method for a kind of switching flow media server as claimed in claim 4 is characterized in that, in the described steps A 1,
After former optimum streaming media server is received described streaming media server gravity treatment message, extract proxy server address information and send the user and ask redirect message to regional equipment user's scheduler module.
6, the method for a kind of switching flow media server as claimed in claim 5 is characterized in that, in the described steps A 1,
Described user asks redirect message to comprise: the user starts the subscription request message and the described proxy server address information that extracts of service.
7, the method for a kind of switching flow media server as claimed in claim 1 is characterized in that, among the described step B, describedly reselects current optimum streaming media service implement body for user terminal and comprises:
Zone equipment user scheduler module is the current optimum streaming media server of user terminal selecting according to the current region of user terminal and sends the streaming media server acknowledge message to current optimum streaming media server.
8, as the method for claim 4,5 or 6 each described a kind of switching flow media servers, it is characterized in that, among the described step B, reselect current optimum streaming media server for user terminal and take a step forward and comprise:
B0, regional equipment user's scheduler module judge that according to the described proxy server address information that extracts user terminal is whether within its compass of competency, if then be the current optimum streaming media server of user terminal selecting, otherwise carry out B1;
B1, regional equipment user's scheduler module ask redirect message to be transmitted to central apparatus user scheduler module described user, central apparatus user scheduler module redirects to user's request on regional equipment user's scheduler module of the current region of user terminal according to the proxy server address information in this message, is the current optimum streaming media server of user terminal selecting by this zone equipment user's scheduler module.
9, the method for a kind of switching flow media server as claimed in claim 8 is characterized in that, describedly comprises for the current optimum streaming media service implement body of user terminal selecting:
To ask redirect message be the current optimum streaming media server of user terminal selecting to zone equipment user scheduler module and send the streaming media server acknowledge message to current optimum streaming media server according to the user.
10, as the method for claim 7 or 9 described a kind of switching flow media servers, it is characterized in that,
Described streaming media server acknowledge message comprises: the user starts the address information of the subscription request message and the former optimum streaming media server of service.
11, the method for a kind of switching flow media server as claimed in claim 1 is characterized in that, among the described step C, user terminal receives data by current optimum streaming media server and further comprises:
C0, current optimum streaming media server send streaming media server handoff request message to former optimum streaming media server;
C1, former optimum streaming media server return streaming media server handover acknowledge message to current optimum streaming media server after receiving described streaming media server handoff request message, stop simultaneously sending out packet to user terminal.
12, the method for a kind of switching flow media server as claimed in claim 11 is characterized in that,
Described streaming media server handover acknowledge message comprises: the playing programs progress msg.
13, the method for a kind of switching flow media server as claimed in claim 1 is characterized in that, user terminal receives data by described current optimum streaming media server and further comprises:
It does not contain user's required programs current optimum streaming media server judges, then carries out information interaction with regional equipment user's scheduler module, obtains containing the regional equipment streaming media server information of user's required programs.
14, the method for a kind of switching flow media server as claimed in claim 13 is characterized in that,
Described regional equipment streaming media server is issued current optimum streaming media server with user's required programs.
15, the method for a kind of switching flow media server as claimed in claim 13 is characterized in that, among the described step C, user terminal receives data by current optimum streaming media server and specifically comprises:
User terminal is by the data of current optimum streaming media server reception from regional equipment streaming media server.
16, the method for a kind of switching flow media server as claimed in claim 12 is characterized in that, among the described step C, user terminal receives data by current optimum streaming media server and specifically comprises:
Current optimum streaming media server according to the playing programs progress msg in the described streaming media server handover acknowledge message to user terminal to transmit data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510101342 CN1964480A (en) | 2005-11-10 | 2005-11-10 | A method for switching stream media server |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510101342 CN1964480A (en) | 2005-11-10 | 2005-11-10 | A method for switching stream media server |
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| CN1964480A true CN1964480A (en) | 2007-05-16 |
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| CN 200510101342 Pending CN1964480A (en) | 2005-11-10 | 2005-11-10 | A method for switching stream media server |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101998145A (en) * | 2009-08-18 | 2011-03-30 | 中兴通讯股份有限公司 | Content distribution method and system for improving mobile terminal unicast service quality |
| CN102546713A (en) * | 2010-12-21 | 2012-07-04 | 中国移动通信集团公司 | Method, system and equipment for distributing distributed contents under roaming scenarios |
| CN102647460A (en) * | 2012-03-30 | 2012-08-22 | 华为技术有限公司 | Transaction data downloading method and mobile terminal |
| CN104410648A (en) * | 2014-12-18 | 2015-03-11 | 北京奇虎科技有限公司 | LAN (local area network) based VoIP (Voice over Internet Protocol) communication method, system and communication terminal |
| CN107071820A (en) * | 2017-04-19 | 2017-08-18 | 努比亚技术有限公司 | A kind of method of mobile terminal and switch contents Distributor |
| CN109417550A (en) * | 2016-06-29 | 2019-03-01 | 微软技术许可有限责任公司 | Media streaming services simultaneously |
| CN112751880A (en) * | 2021-01-06 | 2021-05-04 | 烽火通信科技股份有限公司 | Stream service exception control method, system, device and storage medium |
-
2005
- 2005-11-10 CN CN 200510101342 patent/CN1964480A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101998145A (en) * | 2009-08-18 | 2011-03-30 | 中兴通讯股份有限公司 | Content distribution method and system for improving mobile terminal unicast service quality |
| CN101998145B (en) * | 2009-08-18 | 2015-05-13 | 中兴通讯股份有限公司 | Content distribution method and system for improving mobile terminal unicast service quality |
| CN102546713A (en) * | 2010-12-21 | 2012-07-04 | 中国移动通信集团公司 | Method, system and equipment for distributing distributed contents under roaming scenarios |
| CN102647460A (en) * | 2012-03-30 | 2012-08-22 | 华为技术有限公司 | Transaction data downloading method and mobile terminal |
| WO2013143360A1 (en) * | 2012-03-30 | 2013-10-03 | 华为技术有限公司 | Method for downloading service data and mobile terminal |
| CN104410648A (en) * | 2014-12-18 | 2015-03-11 | 北京奇虎科技有限公司 | LAN (local area network) based VoIP (Voice over Internet Protocol) communication method, system and communication terminal |
| CN109417550A (en) * | 2016-06-29 | 2019-03-01 | 微软技术许可有限责任公司 | Media streaming services simultaneously |
| CN107071820A (en) * | 2017-04-19 | 2017-08-18 | 努比亚技术有限公司 | A kind of method of mobile terminal and switch contents Distributor |
| CN112751880A (en) * | 2021-01-06 | 2021-05-04 | 烽火通信科技股份有限公司 | Stream service exception control method, system, device and storage medium |
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Open date: 20070516 |