CN106534140A - Transmission system and method of SIP message - Google Patents
Transmission system and method of SIP message Download PDFInfo
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- CN106534140A CN106534140A CN201611055313.2A CN201611055313A CN106534140A CN 106534140 A CN106534140 A CN 106534140A CN 201611055313 A CN201611055313 A CN 201611055313A CN 106534140 A CN106534140 A CN 106534140A
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- sip
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
- H04L65/1101—Session protocols
- H04L65/1104—Session initiation protocol [SIP]
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
- G06F9/45504—Abstract machines for programme code execution, e.g. Java virtual machine [JVM], interpreters, emulators
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
- H04L65/1069—Session establishment or de-establishment
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- Business, Economics & Management (AREA)
- General Business, Economics & Management (AREA)
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- General Engineering & Computer Science (AREA)
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Abstract
The invention belongs to the technical field of communication, and discloses a transmission system and method of an SIP message. As multiple virtual hosts are extended at one physical host, each virtual host serves as one SIP server and the multiple servers are controlled by using one physical host, the number of registered users is added under the precondition of not adding the physical host; and transmission of the SIP message among all the registered users at the physical host is realized.
Description
Technical field
The invention belongs to communication technical field, more particularly to a kind of transmission system and method for sip message.
Background technology
Currently, SIP (Session Initiation Protocol, session initiation protocol) message transmission process be by
One physical host is used as a sip server equipment, i.e., sip server and physical host are all man-to-man passes
System, user when sip message is sent to sip server, can be sent out by physical host according to the address information of sip message by sip message
Give the sip server specified.In prior art, the number of users registered on each sip server is relatively limited, be increased
Plus the quantity of sip server must be realized by the quantity of increase physical host.
The content of the invention
The present invention provides a kind of transmission system and method for sip message, on the premise of physical host is not increased, increases note
Volume number of users.
To reach above-mentioned purpose, the present invention is adopted the following technical scheme that and is achieved.
Technical scheme one：
A kind of transmission system of sip message, the system are based on a physical host, and in one physical host
On multiple fictitious host computers for expanding, and each fictitious host computer is used as a sip server；
Memory module, message reception module, enquiry module and message transmission module are provided with the physical host；
The memory module, selects critical table for storing sip server；In the sip server selection critical table extremely
The address mark corresponding to each sip server expanded from physical host is have recorded less；
The message reception module, for receiving sip message；In the sip message comprising the sip message source address and
Destination address；The address of the sip server that the source address of the sip message is registered by the user of the transmission sip message；It is described
The destination address of sip message is the address of the sip server of the user's requirement access for sending the sip message；
The enquiry module, for the source address according to sip message, selects to determine in critical table from the sip server
Send the sip server registered by the user of the sip message；Or, for the destination address according to sip message, from the SIP
Server selects critical table to determine that the user for sending the sip message requires the sip server for accessing；
The message transmission module, for the source address according to sip message, the sip message is forwarded to and sends the SIP
The sip server registered by the user of message；Or, for the destination address according to sip message, the sip message is forwarded
To the sip server that the user for sending the sip message requires to access.
Technical scheme two：
A kind of transmission method of sip message, the transmission method are applied to if technical scheme is with described transmission system, institute
The method of stating comprises the steps：
Step 1, expands multiple fictitious host computers on a physical host, and each fictitious host computer is used as a SIP service
Device；
Step 2, the physical host receive sip message, the source address comprising the sip message and mesh in the sip message
Address；
Step 3, the physical host are selected in critical table from sip server according to the destination address in the sip message
It is determined that the user for sending the sip message requires the sip server for accessing；
If the physical host does not match destination address in the sip message, physical host is according to the sip message
In source address, select in critical table, to determine the sip server registered of user for sending the sip message from sip server；
Wherein, the sip server selects critical table to be stored in the memory module of the physical host, and the SIP
Server at least have recorded the address label corresponding to each sip server expanded from physical host in selecting critical table
Know；
Step 4, destination address of the physical host according to the sip message, the sip message is forwarded to transmission should
The user of sip message requires the sip server for accessing；
Or, the sip message is forwarded to and sends the SIP by source address of the physical host according to the sip message
The sip server registered by the user of message.
The characteristics of technical scheme two and further it is improved to：
(1) after step 1, and before step 2, methods described also includes：
Each sip server receives the log-on message of multiple users, completes user's registration；The SIP that each user sends disappears
The source address of breath is the address of the sip server of the user's registration.
(2), in step 4, the sip message is forwarded to and is sent out by source address of the physical host according to the sip message
After giving the sip server registered by the user of the sip message, methods described also includes：
Sip server that the user of the sip message registered is sent according to the destination address in the sip message, by the SIP
Message is forwarded to the corresponding sip server of the destination address.
(3) source address of the sip message is led to by register field records, or the source address of the sip message
Route field records are crossed, or the source address of the sip message passes through from field records；
The destination address of the sip message passes through to field records；
In step 3, the physical host searches the source address entrained by register fields from the sip message, and
The sip message is sent to the register fields by the source address according to entrained by register fields in the sip message
The corresponding sip server of entrained source address；
If the physical host does not find register fields from the sip message, the physical host is from institute
The source address entrained by route fields, and the source according to entrained by route fields in the sip message are searched in stating sip message
Address, the corresponding sip server of the source address sip message being sent to entrained by the route fields；
If the physical host does not find route fields from the sip message, the physical host is from described
The destination address entrained by fields, and the destination according to entrained by fields in the sip message are searched in sip message
Location, the corresponding sip server of the destination address sip message being sent to entrained by the to fields；
If the physical host does not find to fields from the sip message, the physical host disappears from the SIP
The source address entrained by from fields, and the source address according to entrained by from fields in the sip message are searched in breath, by institute
State sip message and be sent to the corresponding sip server of the source address entrained by from fields.
Technical solution of the present invention is by extending multiple fictitious host computers on a physical host, and each fictitious host computer is made
For a sip server, multiple sip servers are controlled with a physical host, so as to realize before physical host is not increased
Put, increase register user number；Realize the sip message transmission between all register users on the physical host.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the transmission system of sip message provided in an embodiment of the present invention；
Fig. 2 is the structural representation of physical host provided in an embodiment of the present invention；
Fig. 3 is the schematic flow sheet one of the transmission method of sip message provided in an embodiment of the present invention；
Fig. 4 is the schematic flow sheet two of the transmission method of sip message provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Session Initiation Protocol is a text based agreement, using UTF-8 character set.Sip message is used for the foundation of session connection
And change, form is very alike with the form of http protocol.One sip message can both be asking from a client to server
Ask, or a server to client response.The type of sip message be by an initial row, one or more
Packet header domain, an optional Message-text composition.
Sip message includes three parts：Initial row, most starting positioned at message, the type comprising message and protocol version
Etc. content.Message header, describes the attribute of message, and similar to the syntax and semantics of HTTP message head, in a message, head can be with
There is multirow.Sip message is divided into two class of REQUSET (request) and RESPONSE (response).REQUEST message has 6 fundamental types,
Including：INVITE (initiating calling), ACK (response is responded), BYE (removing connection), CANCLE (cancellation), OPTION
(ability of inquiry other side), REGISTER (registration).
The embodiment of the present invention provides a kind of transmission system of sip message, as shown in figure 1, the system is based on a physics
Main frame, and the multiple fictitious host computers expanded on one physical host, and each fictitious host computer taken as a SIP
Business device；
As shown in Fig. 2 memory module, message reception module, enquiry module and message are provided with the physical host
Transfer module；
The memory module, selects critical table for storing sip server；In the sip server selection critical table extremely
The address mark corresponding to each sip server expanded from physical host is have recorded less；
The message reception module, for receiving sip message；In the sip message comprising the sip message source address and
Destination address；The address of the sip server that the source address of the sip message is registered by the user of the transmission sip message；It is described
The destination address of sip message is the address of the sip server of the user's requirement access for sending the sip message；
The enquiry module, for the source address according to sip message, selects to determine in critical table from the sip server
Send the sip server registered by the user of the sip message；Or, for the destination address according to sip message, from the SIP
Server selects critical table to determine that the user for sending the sip message requires the sip server for accessing；
The message transmission module, for the source address according to sip message, the sip message is forwarded to and sends the SIP
The sip server registered by the user of message；Or, for the destination address according to sip message, the sip message is forwarded
To the sip server that the user for sending the sip message requires to access.
The embodiment of the present invention also provides a kind of transmission method of sip message, and the transmission method is applied to above-described embodiment
Described transmission system, as shown in figure 3, methods described comprises the steps：
Step 1, expands multiple fictitious host computers on a physical host, and each fictitious host computer is used as a SIP service
Device；
Step 2, the physical host receive sip message, the source address comprising the sip message and mesh in the sip message
Address；
Step 3, the physical host are selected in critical table from sip server according to the destination address in the sip message
It is determined that the user for sending the sip message requires the sip server for accessing；
If the physical host does not match destination address in the sip message, physical host is according to the sip message
In source address, select in critical table, to determine the sip server registered of user for sending the sip message from sip server；
Wherein, the sip server selects critical table to be stored in the memory module of the physical host, and the SIP
Server at least have recorded the address label corresponding to each sip server expanded from physical host in selecting critical table
Know；
Specifically, the source address of the sip message passes through register field records, or the source ground of the sip message
Location passes through from field records by route field records, or the source address of the sip message；
The destination address of the sip message passes through to field records；
In step 3, the physical host searches the source address entrained by register fields from the sip message, and
The sip message is sent to the register fields by the source address according to entrained by register fields in the sip message
The corresponding sip server of entrained source address；
If the physical host does not find register fields from the sip message, the physical host is from institute
The source address entrained by route fields, and the source according to entrained by route fields in the sip message are searched in stating sip message
Address, the corresponding sip server of the source address sip message being sent to entrained by the route fields；
If the physical host does not find route fields from the sip message, the physical host is from described
The destination address entrained by fields, and the destination according to entrained by fields in the sip message are searched in sip message
Location, the corresponding sip server of the destination address sip message being sent to entrained by the to fields；
If the physical host does not find to fields from the sip message, the physical host disappears from the SIP
The source address entrained by from fields, and the source address according to entrained by from fields in the sip message are searched in breath, by institute
State sip message and be sent to the corresponding sip server of the source address entrained by from fields.
Step 4, source address of the physical host according to the sip message, the sip message is forwarded to transmission should
The sip server registered by the user of sip message；
Or, destination address of the physical host according to the sip message, the sip message is forwarded to transmission should
The user of sip message requires the sip server for accessing.
Specifically, in step 4, the sip message is forwarded by source address of the physical host according to the sip message
After the sip server registered to the user for sending the sip message, methods described also includes：
Sip server that the user of the sip message registered is sent according to the destination address in the sip message, by the SIP
Message is forwarded to the corresponding sip server of the destination address.
You need to add is that, after step 1, and before step 2, methods described also includes：Each sip server connects
The log-on message of multiple users is received, user's registration is completed；The source address of the sip message that each user sends is the user's registration
The address of sip server.
Exemplary,
User first had to complete registering functional before using sip server, it is assumed that the registration request of user A is：
Register SIP：aaa.com/2.0
Via：SIP/2.0/UDP sip.aaa.com
From：SIP：1234@aaa.com
To：SIP：1234@aaa.com
Call-id：12345@sip.aaa.com
CSeq：1 register
Content：
Expires：3600
INVITE requests are most basic one kind in sip message, for initiating a session, when user A is sent to user B
When one INVITE is asked, contain in this message INVITE, ROUTE, Via, To, From, Call-ID, Cseq,
Subject and Content fields, wherein To and INVITE fields are identicals, are all the addresses of called party, these fields
On text additional information can be parsed by SIP interpreters.
Interacting between user and sip server is disappeared by the INVITE for sending standard on specified sip server
Breath, it is that the form of standard is as follows come what is distinguished according to the data form of sip message that the transmission of sip message is processed：
INVITE sip：1002@aaa.com SIP/2.0
ROUTE：sip：aaa.com
Via：SIP/2.0/UDP aaa.com；Branch=z9hG4bKnas
Max-Forwards：70
Contact：<sip：1001@aaa.com>
TO：”1002”<sip：1002@bbb.com>
From：”1001”<sip：1002@aaa.com>；Tag=5e6f8316
Call-ID：XXXXXXXXXXXXXX
Cseq：1 INVITE
Content-Type：application/sdp
Content-Length：415
V=
O=
S=
……
Initial rows of the INVITE of first trip as sip message, To heads field specify request message logic recipient or
It is the registered address of resource.From fields are the logical identifiers for indicating request initiator.In in these sip message fields
Hold, sip message can be passed to the virtual sip server specified run on a physical host.
The hardware composition of each physical host is substantially all included：CPU processor, peripheral storage device, internal storage
Deng.Multiple fictitious host computers can be run on one physical host, it is assumed that run 3 fictitious host computers, each fictitious host computer is all
Relatively independent one sip server of conduct.The functional module being related in the transmittance process of sip message has：Message sink
Module, enquiry module, message transmission module.Message reception module can receive the sip message for carrying out automatic network；Enquiry module is root
Critical table is selected according to the sip server that the form of sip message is inquired about in storage device one by one, selects to judge according to sip server
To the sip server matched with the sip message decision condition for receiving, message transmission module is that basis is looked into record queries in table
The result of module is ask, sip message is passed to the sip server specified.
It is again exemplary, it is assumed that the user A on sip server 1 will be sent out with the user B on sip server 2
Play conversation message.User A first should be registered on a sip server, registration message of the message reception module according to user A
Content, the information of the register fields in registration message is selected critical table in sip server, and (sip server selects to judge
The content of table is as shown in table 1) inquired about, learn that user A is sip to be registered to：The sip server of aaa.com, message transmission
Module will select the content in critical table according to sip server, and registration message is sent on corresponding sip server 1.Together
Reason, user B are registered on sip server 2.
When user A will initiate a session request to user B, according to the content of INVITE, message reception module is received
After the INVITE of user A, enquiry module selects critical table according to sip server, and primary decision condition is route
Information, the address extraction in route fields in sip message is out selected first judgement in critical table with sip server
Condition compares, if address is consistent, sip message is transferred on the sip server corresponding with decision condition, message is carried out
Transmission.As user A sends ROUTE in INVITE：sip：Aaa.com, message transmission module will be the INVITE
The address of the user B that message transmission is carried according to the TO fields in INVITE to sip server 1, sip server 1, should
Message is transmitted to another sip server 2 on same main frame.When INVITE is successfully sent to sip server 2
When, sip server 2 can return interim message of the conditional code for 100 (TRYING) to user A.
1 sip server of table selects critical table
Content in critical table is constructed according to sip message formats, according to the form of sip message, and to commonly using sip message
Analysis, extract sip user registration, initiate a session request when commonly used message format, by register, route,
The key item of to, from as decision condition.
Specific sip message conveying flow realizes that according to the decision condition in critical table idiographic flow is as shown in Figure 4.
Sip message receiver module is received after carrying out the sip message of automatic network, according to the decision condition sequencing of critical table, is carried first
The register fields in sip message are taken compared with the decision condition 1 in critical table, result of the comparison is just pressed really to talk about
The transmission of sip message is completed according to the SIP server specified in critical table, if if comparative result is vacation, extracting in sip message
Route fields compared with the decision condition 2 in critical table, result of the comparison really to talk about, just according to specified in critical table
SIP server complete the transmission of sip message, if if comparative result is vacation, extracting to fields in sip message and judging
Decision condition 3 in table compares, and result of the comparison is just completed according to the SIP server specified in critical table really to talk about
The transmission of sip message, if if comparative result is vacation, extracting the from fields in sip message and the decision condition 4 in critical table
Compare, if not finding and the content matched in critical table, prompting message is exited.
Sip server selects the condition of critical table dynamically be configured according to different application scenarios, by increasing capacitance it is possible to increase no
With the motility that sip message is transmitted.
As existing switching technology is one sip server of operation on a physical host, the institute in subnet is useful
Family is registered on a main frame, then the number of users registered on a main frame is just relatively limited.The embodiment of the present invention is by one
Multiple fictitious host computers are expanded on individual physical host, each fictitious host computer is used as a sip server, then be registered to same
User on individual physical host will be according to the increased number of fictitious host computer.
The above, the only specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be defined by the scope of the claims.
Claims (5)
1. a kind of transmission system of sip message, it is characterised in that the system is based on a physical host, and described one
The multiple fictitious host computers expanded on individual physical host, and each fictitious host computer is used as a sip server；
Memory module, message reception module, enquiry module and message transmission module are provided with the physical host；
The memory module, selects critical table for storing sip server；The sip server is at least remembered in selecting critical table
The address mark corresponding to each sip server expanded from physical host is recorded；
The message reception module, for receiving sip message；Source address comprising the sip message and purpose in the sip message
Address；The address of the sip server that the source address of the sip message is registered by the user of the transmission sip message；The SIP
The destination address of message is the address of the sip server of the user's requirement access for sending the sip message；
The enquiry module, for the source address according to sip message, selects transmission is determined in critical table from the sip server
The sip server registered by the user of the sip message；Or, for the destination address according to sip message, from the SIP service
Device selects critical table to determine that the user for sending the sip message requires the sip server for accessing；
The message transmission module, for the source address according to sip message, the sip message is forwarded to and sends the sip message
The sip server registered of user；Or, for the destination address according to sip message, the sip message is forwarded to and is sent out
The user of the sip message is given to require the sip server for accessing.
2. a kind of transmission method of sip message, the transmission method are applied to transmission system as claimed in claim 1, and which is special
Levy and be, methods described comprises the steps：
Step 1, expands multiple fictitious host computers on a physical host, and each fictitious host computer is used as a sip server；
Step 2, the physical host receive sip message, the source address comprising the sip message and destination in the sip message
Location；
Step 3, the physical host select to determine in critical table from sip server according to the destination address in the sip message
The user for sending the sip message requires the sip server for accessing；
If the physical host does not match destination address in the sip message, physical host is according in the sip message
Source address, selects to determine the sip server for sending that the user of the sip message is registered in critical table from sip server；
Wherein, the sip server selects critical table to be stored in the memory module of the physical host, and the SIP service
Device at least have recorded the address mark corresponding to each sip server expanded from physical host in selecting critical table；
The sip message is forwarded to and sends the SIP by step 4, destination address of the physical host according to the sip message
The user of message requires the sip server for accessing；
Or, the sip message is forwarded to and sends the sip message by source address of the physical host according to the sip message
The sip server registered of user.
3. the transmission method of a kind of sip message according to claim 2, it is characterised in that after step 1, and in step
Before rapid 2, methods described also includes：
Each sip server receives the log-on message of multiple users, completes user's registration；The sip message that each user sends
Source address is the address of the sip server of the user's registration.
4. the transmission method of a kind of sip message according to claim 2, it is characterised in that in step 4, the physics master
Source address of the machine according to the sip message, the sip message is forwarded to the SIP clothes for sending that the user of the sip message is registered
After business device, methods described also includes：
Sip server that the user of the sip message registered is sent according to the destination address in the sip message, by the sip message
It is forwarded to the corresponding sip server of the destination address.
5. a kind of transmission method of sip message according to claim 2, it is characterised in that the source address of the sip message
Route field records, or the sip message are passed through by register field records, or the source address of the sip message
Source address pass through from field records；
The destination address of the sip message passes through to field records；
In step 3, the physical host searches the source address entrained by register fields from the sip message, and according to
The SIP registration message is sent to the register fields by the source address in the sip message entrained by register fields
The corresponding sip server of entrained source address；
If the physical host does not find register fields from the sip message, the physical host is from the SIP
The source address entrained by route fields, and the source address according to entrained by route fields in the sip message are searched in message,
The corresponding sip server of the source address sip message being sent to entrained by the route fields；
If the physical host does not find route fields from the sip message, the physical host disappears from the SIP
The destination address entrained by fields, and the destination address according to entrained by fields in the sip message are searched in breath, by institute
State sip message and be sent to the corresponding sip server of the destination address entrained by fields；
If the physical host does not find to fields from the sip message, the physical host is from the sip message
The source address entrained by from fields, and the source address according to entrained by from fields in the sip message are searched, will be described
Sip message is sent to the corresponding sip server of the source address entrained by from fields.
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| CN201611055313.2A CN106534140A (en) | 2016-11-25 | 2016-11-25 | Transmission system and method of SIP message |
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| CN201611055313.2A CN106534140A (en) | 2016-11-25 | 2016-11-25 | Transmission system and method of SIP message |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108696523A (en) * | 2018-05-14 | 2018-10-23 | 平安科技（深圳）有限公司 | A kind of response method and equipment of session services |
| WO2019223167A1 (en) * | 2018-05-21 | 2019-11-28 | 平安科技（深圳）有限公司 | Method, apparatus and device for obtaining sip server address and storage medium |
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