CN103078966A - Method for quickly addressing for acentric communication system based on session initiation protocol (SIP) - Google Patents
Method for quickly addressing for acentric communication system based on session initiation protocol (SIP) Download PDFInfo
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- CN103078966A CN103078966A CN2012105803924A CN201210580392A CN103078966A CN 103078966 A CN103078966 A CN 103078966A CN 2012105803924 A CN2012105803924 A CN 2012105803924A CN 201210580392 A CN201210580392 A CN 201210580392A CN 103078966 A CN103078966 A CN 103078966A
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Abstract
The invention discloses a method for quickly addressing for an acentric communication system based on a session initiation protocol (SIP). Uniform resource identifiers (URI) are specially coded, a project system (PS) module of a user attribution node and an internet protocol (IP) address of a terminal node which is managed by the user attribution node are quickly positioned according to the codes, so that the SIP information transmission is completed. The method comprises the following steps of: determining a URI form; compiling a numbering plan; mapping all the user codes onto legal IP addresses, and then, quickly positioning the user IP addresses through an SIP server of a source end according to the user codes. The acentric communication system is a communication system without any central network elements, the network only has terminal nodes, and the functions of the traditional central network elements are distributed to each terminal node; and because the acentric network is arranged, the reliability is high, single-node faults are not generated, and the faults of any network node cannot be dispersed to the whole internet.
Description
Technical field
The inventive method belongs to the communications field, is specifically related to a kind of method for immediate addressing without center communication system based on Session Initiation Protocol.
Background technology
There is some centers network element in traditional communication system based on the Session Initiation Protocol framework for centring system is arranged in the network, i.e. various sip servers are such as acting server, Redirect Server and registrar etc.The bottleneck place that these center network elements are network reliabilities, the fault of any center network element all may cause the paralysis of network portion even the whole network.
In the tradition SIP network, user's addressing is based on registrar and acting server carries out, and the Centroid (being sip server) that is based on network is finished.For without centring system, in the network without any the center network element, without any sip server independently, each terminal node two generic module, be respectively PS (Proxy Server) module and UA (UserAgent) module, this node is also supported the sip terminal that some standards are external simultaneously, so user's addressing can only rely on terminal node to finish.
Summary of the invention
The above problem that exists in order to overcome prior art the invention provides a kind of method for immediate addressing without center communication system based on Session Initiation Protocol.
For realizing above-mentioned technical purpose, reach above-mentioned technique effect, the present invention is achieved through the following technical solutions:
A kind of method for immediate addressing without center communication system based on Session Initiation Protocol, by URI is carried out specific coding, and navigate to fast the described PS module of user attaching node and the IP address of the described terminal node managed according to described coding, thereby finish the transmission of sip message, its concrete steps are as follows:
(1) determines the URI form
SIP URI form: numberdomain.com;
(2) editor's numbering plan
MSI number format: NH1H2ABCD (E), wherein,
Described N: network numbering, such as public security, People's Armed Police or army;
Described H1H2: segment number, described segment number is by every profession and trade general headquarters Unified number;
Described ABCD (E): the user according to the user network scale, can adopt 7 or 8 bit number plans from line number, and the network maximum can be supported 10000～100000 numbers;
In a definite network, described NH1H2 determines constant, can be not considered, and only needs to determine that according to described ABCD (E) the IP address gets final product; 100000 numbers of the maximum support of this method for a private network of carrying out particular task, should be enough to;
Built-in UA module and sip terminal module Unified number like this from the external world, all are unified treating, and what is not distinguished be built-in UA module, and what is the sip terminal of standard;
(3) the IP address of mapping Subscriber Number
If a user adopts 7 bit number plans, namely adopt the numbering plan of ABCD form, can adopt category-B IPv4 address to shine upon, form is as follows:
IP address format: 172.16.S1.S2;
IP address mask: 255.255.0.0;
Adopt simple directly mapping method, with the digit mapping of four number representatives of ABCD S1 and the S2 section to the above-mentioned IP address, as follows:
Wherein the xx of S1 section is AB; For the S2 field, because the IP address of full 0 (being yy=0) is retained, so need some special processings for the S2 section; If CD=00, yy=100 then, otherwise yy=CD, concrete grammar is as follows:
xx＝AB
If b user adopts 8 bit number encoding schemes, namely adopt the numbering plan of ABCDE form, because the maximum number of user amount has reached 100,000, surpass the maximum host quantity of Class B IP address, so need to adopt category-A IPv4 address to shine upon, form is as follows:
IP address format: 10.S1.S2.S3;
IP address mask: 255.0.0.0;
Adopt simple directly mapping method, with the digit mapping of five number representatives of ABCDE S1, S2 and the S3 section to the above-mentioned IP address, as follows:
Xx=AB wherein, yy=CD for the S3 field, in order to avoid reserved address, can make zz=Ex, and x is not equal to 0 and gets final product;
(4) be in the same place with the PS module integration owing to the UA module, so the IP address of PS module can be identical with the UA module; After all Subscriber Numbers all were mapped on the legal IP address, the sip server of source can according to Subscriber Number, navigate to user's IP address fast.
Further, described numbering plan also can adopt the IPv6 address to shine upon.
The invention has the beneficial effects as follows:
Of the present invention is communication system without any the center network element without center communication system, only has terminal node in the network, and the function of traditional center network element is distributed in each terminal node.High without the central site network reliability, there is not Single Point of Faliure, the fault of any network node can not be diffused into the whole network.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of specification, below with preferred embodiment of the present invention and cooperate accompanying drawing to be described in detail as follows.The specific embodiment of the present invention is provided in detail by following examples and accompanying drawing thereof.
Embodiment
Below in conjunction with embodiment, describe the present invention in detail.
A kind of method for immediate addressing without center communication system based on Session Initiation Protocol, by URI is carried out specific coding, and navigate to fast the described PS module of user attaching node and the IP address of the described terminal node managed according to described coding, thereby finish the transmission of sip message, its concrete steps are as follows:
(1) determines the URI form
SIP URI form: numberdomain.com;
(2) editor's numbering plan
MSI number format: NH1H2ABCD (E), wherein,
Described N: network numbering, such as public security, People's Armed Police or army;
Described H1H2: segment number, described segment number is by every profession and trade general headquarters Unified number;
Described ABCD (E): the user according to the user network scale, can adopt 7 or 8 bit number plans from line number, and the network maximum can be supported 10000～100000 numbers;
In a definite network, described NH1H2 determines constant, can be not considered, and only needs to determine that according to described ABCD (E) the IP address gets final product; 100000 numbers of the maximum support of this method for a private network of carrying out particular task, should be enough to;
Built-in UA module and sip terminal module Unified number like this from the external world, all are unified treating, and what is not distinguished be built-in UA module, and what is the sip terminal of standard;
(3) the IP address of mapping Subscriber Number
If a user adopts 7 bit number plans, namely adopt the numbering plan of ABCD form, can adopt category-B IPv4 address to shine upon, form is as follows:
IP address format: 172.16.S1.S2;
IP address mask: 255.255.0.0;
Adopt simple directly mapping method, with the digit mapping of four number representatives of ABCD S1 and the S2 section to the above-mentioned IP address, as follows:
Wherein the xx of S1 section is AB; For the S2 field, because the IP address of full 0 (being yy=0) is retained, so need some special processings for the S2 section; If CD=00, yy=100 then, otherwise yy=CD, concrete grammar is as follows:
xx＝AB
If b user adopts 8 bit number encoding schemes, namely adopt the numbering plan of ABCDE form, because the maximum number of user amount has reached 100,000, surpass the maximum host quantity of Class B IP address, so need to adopt category-A IPv4 address to shine upon, form is as follows:
IP address format: 10.S1.S2.S3;
IP address mask: 255.0.0.0;
Adopt simple directly mapping method, with the digit mapping of five number representatives of ABCDE S1, S2 and the S3 section to the above-mentioned IP address, as follows:
Xx=AB wherein, yy=CD for the S3 field, in order to avoid reserved address, can make zz=Ex, and x is not equal to 0 and gets final product;
(4) be in the same place with the PS module integration owing to the UA module, so the IP address of PS module can be identical with the UA module; After all Subscriber Numbers all were mapped on the legal IP address, the sip server of source can according to Subscriber Number, navigate to user's IP address fast.
Further, described numbering plan also can adopt the IPv6 address to shine upon.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (2)
1. method for immediate addressing without center communication system based on Session Initiation Protocol, it is characterized in that: by URI is carried out specific coding, and navigate to fast the described PS module of user attaching node and the IP address of the described terminal node managed according to described coding, thereby finish the transmission of sip message, its concrete steps are as follows:
(1) determines the URI form
SIP URI form: numberdomain.com;
(2) editor's numbering plan
MSI number format: NH1H2ABCD (E), wherein,
Described N: network numbering, such as public security, People's Armed Police or army;
Described H1H2: segment number, described segment number is by every profession and trade general headquarters Unified number;
Described ABCD (E): the user according to the user network scale, adopts 7 or 8 bit number plans from line number;
(3) the IP address of mapping Subscriber Number
If a user adopts 7 bit number plans, namely adopt the numbering plan of ABCD form, can adopt category-B IPv4 address to shine upon, form is as follows:
IP address format: 172.16.S1.S2;
IP address mask: 255.255.0.0;
Adopt simple directly mapping method, with the digit mapping of four number representatives of ABCD S1 and the S2 section to the above-mentioned IP address, as follows:
Wherein the xx of S1 section is AB; For the S2 field, because the IP address of full 0 (being yy=0) is retained, so need some special processings for the S2 section; If CD=00, yy=100 then, otherwise yy=CD, concrete grammar is as follows:
xx＝AB
If b user adopts 8 bit number encoding schemes, namely adopt the numbering plan of ABCDE form, because the maximum number of user amount has reached 100,000, surpass the maximum host quantity of Class B IP address, so need to adopt category-A IPv4 address to shine upon, form is as follows:
IP address format: 10.S1.S2.S3;
IP address mask: 255.0.0.0;
Adopt simple directly mapping method, with the digit mapping of five number representatives of ABCDE S1, S2 and the S3 section to the above-mentioned IP address, as follows:
Xx=AB wherein, yy=CD for the S3 field, in order to avoid reserved address, can make zz=Ex, and x is not equal to 0 and gets final product;
(4) after all Subscriber Numbers all were mapped on the legal IP address, the sip server of source navigated to user's IP address fast according to Subscriber Number.
2. the method for immediate addressing without center communication system based on Session Initiation Protocol according to claim 1, it is characterized in that: described numbering plan also can adopt the IPv6 address to shine upon.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101170572A (en) * | 2006-10-23 | 2008-04-30 | 日电（中国）有限公司 | Multimedia network communication system based on P2P SIP technology |
| CN102160360A (en) * | 2008-09-17 | 2011-08-17 | 爱立信电话股份有限公司 | Ip address discovery |
| CN102647397A (en) * | 2011-02-17 | 2012-08-22 | 中兴通讯股份有限公司 | SIP (Session Initiation Protocol) session protection method and SIP session protection system |
| US20120259984A1 (en) * | 2011-04-06 | 2012-10-11 | Marshall Roger S | Ancillary data support in session initiation protocol (SIP) messaging |
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2012
- 2012-12-28 CN CN201210580392.4A patent/CN103078966B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101170572A (en) * | 2006-10-23 | 2008-04-30 | 日电（中国）有限公司 | Multimedia network communication system based on P2P SIP technology |
| CN102160360A (en) * | 2008-09-17 | 2011-08-17 | 爱立信电话股份有限公司 | Ip address discovery |
| CN102647397A (en) * | 2011-02-17 | 2012-08-22 | 中兴通讯股份有限公司 | SIP (Session Initiation Protocol) session protection method and SIP session protection system |
| US20120259984A1 (en) * | 2011-04-06 | 2012-10-11 | Marshall Roger S | Ancillary data support in session initiation protocol (SIP) messaging |
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Effective date of registration: 20170411 Address after: 210046 Jiangsu city of Nanjing Province Economic and Technological Development Zone Xing Chi road Xingzhi Science Park building C room 1311 Patentee after: Nanjing Vico Communication Co. Ltd. Address before: 210038 Jiangsu city of Nanjing Province Economic and Technological Development Zone Xing Chi road Xingzhi Science Park building C room 1311 Patentee before: Hou Rongtao |
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