CN105471841B - A kind of transmission method and device of the multi-service data based on MSRP agreements - Google Patents

A kind of transmission method and device of the multi-service data based on MSRP agreements Download PDF

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Publication number
CN105471841B
CN105471841B CN201510777139.1A CN201510777139A CN105471841B CN 105471841 B CN105471841 B CN 105471841B CN 201510777139 A CN201510777139 A CN 201510777139A CN 105471841 B CN105471841 B CN 105471841B
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equipment
data
msrp
transmission
packet
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CN105471841A (en
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袁静
王俊
陈志辉
陈强
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CETC 30 Research Institute
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M7/00Arrangements for interconnection between switching centres
    • H04M7/006Networks other than PSTN/ISDN providing telephone service, e.g. Voice over Internet Protocol (VoIP), including next generation networks with a packet-switched transport layer
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/1066Session management
    • H04L65/1101Session protocols
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/1066Session management
    • H04L65/1101Session protocols
    • H04L65/1104Session initiation protocol [SIP]

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Business, Economics & Management (AREA)
  • General Business, Economics & Management (AREA)
  • Multimedia (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Telephonic Communication Services (AREA)

Abstract

The invention discloses a kind of transmission methods and device of the multi-service data based on MSRP agreements, are applied under VoIP environment, including:MSRP agreements are extended in advance, request bag will be sent and be extended to the expanding packet interacted comprising a variety of different business;The MSRP links of the first equipment to the second equipment are established by Session Initiation Protocol;According to the data for identifying different service types in the expanding packet of first equipment transmission data, the type of current business is obtained;Data transmission is realized by packet corresponding with the type of the current business in the transmission request bag according to the type and interactive mode of the current business.The present invention is by extending MSRP agreements and interaction flow, so that can support the transmission of the multiple business such as short message, file based on MSRP applications, and the transmission of these business can be completed in primary link, improve the utilization rate and reliability of network, can improve user experience.

Description

A kind of transmission method and device of the multi-service data based on MSRP agreements
Technical field
The present invention relates to technical field of data transmission, more particularly to a kind of biography of the multi-service data based on MSRP agreements Transmission method and device.
Background technology
In the VoIP system of the mainstreams such as soft switch, SIP and IMS, the mode of generally use SIP+MSRP realizes data industry The transmission of business.There is also shortcoming and deficiency, disadvantage is mainly as follows for the application of this mode in the wireless context:
(1) MSRP of standard is a text based content exchange agreement, to the transmission branch of binary data service Hold deficiency;
(2) in the wireless context, since network transmission resource is limited, and MSRP is connection-oriented exchange agreement, for Different types of business transmission needs to establish repeatedly connection.
In consideration of it, the transmission method and device of a kind of multi-service data based on MSRP agreements of offer are to be highly desirable 's.
Invention content
The object of the present invention is to provide a kind of transmission methods and device of the multi-service data based on MSRP agreements, to solve The mode of traditional SIP+MSRP realizes that File Transfer is insufficient to the support of binary data business, and different data services Transmission needs to establish multiple MSRP links.And in the wireless context, since network transmission resource is limited, if continually establishing MSRP Link causes network overhead larger, and the problem that user experience is poor.
In order to solve the above technical problems, the present invention provides a kind of transmission method of the multi-service data based on MSRP agreements, Applied under VoIP environment, including:
MSRP agreements are extended in advance, request bag will be sent and be extended to the extension interacted comprising a variety of different business Packet;
The MSRP links of the first equipment to the second equipment are established by Session Initiation Protocol;
According to the data for identifying different service types in the expanding packet of first equipment transmission data, obtain current The type of business;
According to the type and interactive mode of the current business, by the transmission request bag with the current business The corresponding packet of type, realize data transmission.
Optionally, described that MSRP agreements are extended in advance, request bag will be sent and be extended to comprising a variety of different business Interactive expanding packet includes:
MSRP agreements are extended in advance, by the transmission request bag by original packet be extended to comprising NOTIFY packets, The expanding packet of four type of DATA packets, REQUEST packets and REPLY packets.
Optionally, the type and interactive mode according to the current business, by the transmission request bag with The corresponding packet of type of the current business realizes that data transmission includes:
When the interactive mode of the current business is that short message interacts, first equipment is direct by the original packet Short message is sent to second equipment;Second equipment is by the original packet directly to described in first device replied Short message.
Optionally, the type and interactive mode according to the current business, by the transmission request bag with The corresponding packet of type of the current business realizes that data transmission includes:
When the interactive mode of the current business is file PULL modes, first equipment is sent out to second equipment The REQUEST packets are sent, specified file or data are asked;
After second equipment receives request, whether locally have the file or data, and pass through the NOTIFY if searching Packet informs first equipment;If the file or data exist, the file or data are filled in the NOTIFY packets Attribute;
After first equipment receives the NOTIFY packets that second equipment is sent, institute is informed by the REPLY packets The second equipment is stated to start to send;
Second equipment sends the file or data of request to first equipment, until being sent completely.
Optionally, the type and interactive mode according to the current business, by the transmission request bag with The corresponding packet of type of the current business realizes that data transmission includes:
When the interactive mode of the current business is PUSH modes, first equipment sends institute to second equipment NOTIFY packets are stated, inform the attribute of the file or data that will send;
After second equipment is notified, judges whether to receive file or data from first equipment, pass through The REPLY packets return;
After first equipment receives the NOTIFY packets that second equipment is sent, described in second equipment transmission File or data, until being sent completely.
Optionally, after transferring all files or data, further include:
First equipment disconnects the MSRP links by SIP request.
The present invention also provides a kind of transmitting devices of the multi-service data based on MSRP agreements, are applied to VoIP environment Under, including:
Expansion module will send request bag and be extended to comprising a variety of not of the same trade or business for being extended in advance to MSRP agreements The expanding packet of business interaction;
Module is established, the MSRP links for establishing the first equipment to the second equipment by Session Initiation Protocol;
Acquisition module, for being used to identify different service types in the expanding packet according to first equipment transmission data Data obtain the type of current business;
Interactive module, for the type and interactive mode according to the current business, by the transmission request bag Packet corresponding with the type of the current business realizes data transmission.
Optionally, the expansion module be specifically used for MSRP agreements are extended in advance, by the transmission request bag by Original packet is extended to the expanding packet comprising NOTIFY packets, four type of DATA packets, REQUEST packets and REPLY packets.
Optionally, further include:
Module is disconnected, for after transferring all files or data, the MSRP chains to be disconnected by SIP request Road.
The transmission method and device of multi-service data provided by the present invention based on MSRP agreements, in advance to MSRP agreements It is extended, request bag will be sent and be extended to the expanding packet interacted comprising a variety of different business;First is established by Session Initiation Protocol to set It is standby to after the MSRP links of the second equipment;According in the expanding packet of the first equipment transmission data for identifying different service types Data, obtain the type of current business;According to the type and interactive mode of current business, by send in request bag with institute The corresponding packet of type for stating current business, to realize the transmission of data.As it can be seen that the present invention is following IMS and Session Initiation Protocol phase Under the premise of the standard of pass, by extending MSRP agreements and interaction flow so that can support short message, file based on MSRP applications The transmission of equal multiple business, and the transmission of these business can be completed in primary link, improve network utilization rate and Reliability can improve user experience.
Description of the drawings
Fig. 1 is a kind of specific embodiment party of the transmission method of the multi-service data provided by the present invention based on MSRP agreements The flow chart of formula;
Fig. 2 is another specific implementation of the transmission method of the multi-service data provided by the present invention based on MSRP agreements The flow chart of mode;
Fig. 3 is using the session flow diagram after extension MSRP agreements;
Fig. 4 is another specific implementation of the transmission method of the multi-service data provided by the present invention based on MSRP agreements The process flow diagram flow chart of mode short message interactive mode;
Fig. 5 is another specific implementation of the transmission method of the multi-service data provided by the present invention based on MSRP agreements The process flow diagram flow chart of file PULL modes in mode;
Fig. 6 is another specific implementation of the transmission method of the multi-service data provided by the present invention based on MSRP agreements The process flow diagram flow chart of file PUSH modes in mode;
Fig. 7 is a kind of specific embodiment party of the transmitting device of the multi-service data provided by the present invention based on MSRP agreements The structure diagram of formula.
Specific implementation mode
In order to enable those skilled in the art to better understand the solution of the present invention, with reference to the accompanying drawings and detailed description The present invention is described in further detail.Obviously, described embodiments are only a part of the embodiments of the present invention, rather than Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise Lower obtained every other embodiment, shall fall within the protection scope of the present invention.
A kind of specific implementation mode of the transmission method of multi-service data provided by the present invention based on MSRP agreements Flow chart may include as shown in Figure 1, this method is applied particularly under VoIP environment:
Step S101:MSRP agreements are extended in advance, request bag will be sent and be extended to comprising the friendship of a variety of different business Mutual expanding packet;
Step S102:The MSRP links of the first equipment to the second equipment are established by Session Initiation Protocol;
Step S103:According to the number for identifying different service types in the expanding packet of first equipment transmission data According to obtaining the type of current business;
Step S104:According to the type and interactive mode of the current business, by the transmission request bag with institute The corresponding packet of type of current business is stated, realizes data transmission.
The transmission method of multi-service data provided by the present invention based on MSRP agreements, in advance expands MSRP agreements Exhibition will send request bag and be extended to the expanding packet interacted comprising a variety of different business;The first equipment is established to by Session Initiation Protocol After the MSRP links of two equipment;According to the number for identifying different service types in the expanding packet of the first equipment transmission data According to obtaining the type of current business;According to the type and interactive mode of current business, worked as with described by sending in request bag The corresponding packet of type of preceding business, to realize the transmission of data.As it can be seen that the present invention is following IMS marks related to Session Initiation Protocol Under the premise of standard, by extending MSRP agreements and interaction flow so that short message, file etc. can be supported more based on MSRP applications The transmission of kind of business, and the transmission of these business can be completed in primary link improves the utilization rate of network and reliable Property, user experience can be improved.
Another specific implementation mode of the transmission method of multi-service data provided by the present invention based on MSRP agreements Flow chart as shown in Fig. 2, this method includes:
Step S201:MSRP agreements are extended in advance, request bag will be sent and be extended to comprising NOTIFY by original packet The expanding packet of packet, DATA packets, REQUEST packets and four type of REPLY packets;
Step S202:The MSRP links of the first equipment to the second equipment are established by Session Initiation Protocol;
Step S203:According to the data for identifying different service types in the expanding packet of the first equipment transmission data, obtain Take the type of current business;
Step S204:According to the type and interactive mode of current business, by send in request bag with current business The corresponding packet of type realizes data transmission.
Specifically, in order to be compatible with MSRP agreements, expansion is put into content by extension MSRP agreements, pass through by Content-Type field definitions are " application/cdcf ", to indicate expanding packet.SEND request bags after extension are divided into The interaction of different business is realized in the packet of tetra- type of NOTIFY, DATA, REQUEST, REPLY, the interaction wrapped by four kinds.Fig. 3 For the session flow diagram for using after extension MSRP agreements.Table 1 is to extend the newly-increased field of MSRP agreements.
Table 1
In the present embodiment, extension MSRP agreements SEND request bags be divided into original packet, NOTIFY, DATA, REQUEST, The interaction of different business is realized in the packet of 5 types of REPLY, the interaction wrapped by 5 kinds.According to type of service and interaction side Interactive process is divided into following three kinds by the difference of formula.
(1) short message interactive mode
When the interactive mode of current business is that short message interacts, the first equipment is directly sent to the second equipment by original packet Short message;Second equipment is by the original packet directly to short message described in first device replied.
The flow chart of specific interactive process is as shown in figure 4, wherein A is for indicating the first equipment, and B is for indicating that second sets Standby, which includes:
Step S301:The MSRP links of A to B are established by Session Initiation Protocol;
Step S302:A directly sends short message by original packet to B;
Step S303:B is by original packet directly to A replying short messages;
Step S304:Cycle executes step S302~S303, until conversation end;
Step S305:MSRP links are disconnected by SIP request, terminate session.
(2) file PULL modes
When the interactive mode of current business is file PULL modes, the first equipment sends the REQUEST to the second equipment Packet, asks specified file or data;After second equipment receives request, whether locally have the file or data, and lead to if searching It crosses NOTIFY packets and informs first equipment;If file or data exist, the file or data are filled in NOTIFY packets Attribute;After first equipment receives the NOTIFY packets of the second equipment transmission, inform that the second equipment starts to send out by REPLY packets It send;Second equipment sends the file or data of request to the first equipment, until being sent completely.
The flow chart of specific interactive process is as shown in figure 5, include:
Step S401:The MSRP links of A to B are established by Session Initiation Protocol;
Step S402:A sends REQUEST packets to B, asks specified file or data;
Step S403:After B receives REQUEST, whether locally have this document or data, A is informed by NOTIFY packets if searching. If file or data exist, meeting fill up a document in NOTIFY or the attribute of data.
Step S404:After A receives the NOTIFY packets of B, inform that B starts to send by REPLY;
Step S405:B sends the file or data that A is asked to A, until being sent completely;
Step S406:Cycle executes step S402~S405 processes, until transferring all files or data;
Step S407:A disconnects MSRP links by SIP request, terminates session.
(3) file PUSH modes
The interactive mode of current business be PUSH modes when, the first equipment to the second equipment send NOTIFY packets, inform by The attribute of the file or data to be sent;After second equipment is notified, judge whether to receive file from the first equipment or Data are returned by REPLY packets;After first equipment receives the NOTIFY packets of the second equipment transmission, text is sent to the second equipment Part or data, until being sent completely.
The flow chart of specific interactive process is as shown in fig. 6, include:
Step S501:The MSRP links of A to B are established by Session Initiation Protocol;
Step S502:A sends NOTIFY packets to B, informs the attribute of the file or data that will send;
Step S503:After B receives NOTIFY, decide whether to receive the data from A or file, be returned by REPLY packets.
Step S504:After A receives the NOTIFY packets of B, if learning that B is ready, to B transmission datas or file, until It is sent completely;
Step S505:Cycle executes step S502~S504 processes, until transferring all files or data;
Step S506:A disconnects MSRP links by SIP request, terminates session.
The present invention by provide a kind of multi-service data based on MSRP agreements under Wireless VoIP environment transmission method, This method proposes a kind of mechanism in application layer, under the premise of following IMS and Session Initiation Protocol relevant criterion, by extending MSRP Agreement and interaction flow so that the transmission of the multiple business such as short message, file, and these business can be supported based on MSRP applications Transmission can be completed in primary link, the utilization rate and reliability of network can be improved, improve user experience.
A kind of specific implementation mode of the transmitting device of multi-service data provided by the present invention based on MSRP agreements Structure diagram as shown in fig. 7, the device be applied to VoIP environment under, including:
Expansion module 100 will send request bag and be extended to comprising a variety of differences for being extended in advance to MSRP agreements The expanding packet of service interaction;
Module 200 is established, the MSRP links for establishing the first equipment to the second equipment by Session Initiation Protocol;
Acquisition module 300, for being used to identify different business class in the expanding packet according to first equipment transmission data The data of type obtain the type of current business;
Interactive module 400 passes through the transmission request bag for the type and interactive mode according to the current business In packet corresponding with the type of the current business, realize data transmission.
On the basis of the above embodiments, the transmitting device of the multi-service data provided by the present invention based on MSRP agreements It can further include:
Module is disconnected, for after transferring all files or data, the MSRP chains to be disconnected by SIP request Road.
The transmitting device of multi-service data provided by the present invention based on MSRP agreements is corresponding with the above method, herein It repeats no more.
To sum up, MSRP agreements have become the standard of connection-oriented data application in IMS, however wireless network especially It is in the environment of network quality relative mistake, the availability of the data application based on MSRP substantially reduces in IMS.The present invention is directed to This problem proposes a kind of mechanism in application layer, is being abided by conjunction with MSRP agreements by changing related protocol and interaction flow Under the premise of following IMS and Session Initiation Protocol relevant criterion so that can support the multiple business such as short message, file based on MSRP applications Transmission.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with it is other The difference of embodiment, just to refer each other for same or similar part between each embodiment.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, as defined herein General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one The widest range caused.

Claims (9)

1. a kind of transmission method of the multi-service data based on MSRP agreements, which is characterized in that be applied under VoIP environment, packet It includes:
MSRP agreements are extended in advance, request bag will be sent and be extended to the expanding packet interacted comprising a variety of different business;
The MSRP links of the first equipment to the second equipment are established by Session Initiation Protocol;
According to the data for identifying different service types in the expanding packet of first equipment transmission data, current business is obtained Type;
According to the type and interactive mode of the current business, pass through the class with the current business in the transmission request bag The corresponding packet of type realizes data transmission.
2. the transmission method of the multi-service data as described in claim 1 based on MSRP agreements, which is characterized in that described advance MSRP agreements are extended, transmission request bag, which is extended to the expanding packet interacted comprising a variety of different business, includes:
MSRP agreements are extended in advance, by the transmission request bag by original packet be extended to comprising NOTIFY packets, DATA packets, The expanding packet of four type of REQUEST packets and REPLY packets.
3. the transmission method of the multi-service data as claimed in claim 2 based on MSRP agreements, which is characterized in that the basis The type and interactive mode of the current business, by corresponding with the type of the current business in the transmission request bag Packet, realize data transmission include:
When the interactive mode of the current business is that short message interacts, first equipment is by the original packet directly to institute It states the second equipment and sends short message;Second equipment is directly disappeared to short described in first device replied by the original packet Breath.
4. the transmission method of the multi-service data as claimed in claim 2 based on MSRP agreements, which is characterized in that the basis The type and interactive mode of the current business, by corresponding with the type of the current business in the transmission request bag Packet, realize data transmission include:
When the interactive mode of the current business is file PULL modes, first equipment sends institute to second equipment REQUEST packets are stated, specified file or data are asked;
Whether after second equipment receives request, searching locally has the file or data, and passes through the NOTIFY packets and accuse Know first equipment;If the file or data exist, the file or the category of data are filled in the NOTIFY packets Property;
After first equipment receives the NOTIFY packets that second equipment is sent, described the is informed by the REPLY packets Two equipment start to send;
Second equipment sends the file or data of request to first equipment, until being sent completely.
5. the transmission method of the multi-service data as claimed in claim 2 based on MSRP agreements, which is characterized in that the basis The type and interactive mode of the current business, by corresponding with the type of the current business in the transmission request bag Packet, realize data transmission include:
When the interactive mode of the current business is PUSH modes, first equipment is to described in second equipment transmission NOTIFY packets inform the attribute of the file or data that will send;
After second equipment is notified, judge whether to receive file or data from first equipment, by described REPLY packets return;
After first equipment receives the REPLY packets that second equipment is sent, the file is sent to second equipment Or data, until being sent completely.
6. such as the transmission method of the multi-service data described in any one of claim 1 to 5 based on MSRP agreements, feature exists In after transferring all files or data, further including:
First equipment disconnects the MSRP links by SIP request.
7. a kind of transmitting device of the multi-service data based on MSRP agreements, which is characterized in that be applied under VoIP environment, packet It includes:
Expansion module will send request bag and be extended to comprising the friendship of a variety of different business for being extended in advance to MSRP agreements Mutual expanding packet;
Module is established, the MSRP links for establishing the first equipment to the second equipment by Session Initiation Protocol;
Acquisition module, for the number for identifying different service types in the expanding packet according to first equipment transmission data According to obtaining the type of current business;
Interactive module, for according to the type and interactive mode of the current business, by the transmission request bag with institute The corresponding packet of type of current business is stated, realizes data transmission.
8. the transmitting device of the multi-service data as claimed in claim 7 based on MSRP agreements, which is characterized in that the extension Module is specifically used in advance being extended MSRP agreements, and the transmission request bag is extended to by original packet comprising NOTIFY The expanding packet of packet, DATA packets, REQUEST packets and four type of REPLY packets.
9. the transmitting device of the multi-service data as claimed in claim 7 or 8 based on MSRP agreements, which is characterized in that also wrap It includes:
Module is disconnected, for after transferring all files or data, the MSRP links to be disconnected by SIP request.
CN201510777139.1A 2015-11-12 2015-11-12 A kind of transmission method and device of the multi-service data based on MSRP agreements Active CN105471841B (en)

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Publication number Priority date Publication date Assignee Title
CN101300797A (en) * 2005-09-30 2008-11-05 诺基亚公司 Method and apparatus for instant messaging
CN101778056A (en) * 2009-12-25 2010-07-14 北京邮电大学 Processing method and system for meeting history record fusing message business and
CN102045242A (en) * 2009-10-21 2011-05-04 华为技术有限公司 Network communication method and network node equipment

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Publication number Priority date Publication date Assignee Title
CN101300797A (en) * 2005-09-30 2008-11-05 诺基亚公司 Method and apparatus for instant messaging
CN102045242A (en) * 2009-10-21 2011-05-04 华为技术有限公司 Network communication method and network node equipment
CN101778056A (en) * 2009-12-25 2010-07-14 北京邮电大学 Processing method and system for meeting history record fusing message business and

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