CN105007635A - Communication method and communication system - Google Patents
Communication method and communication system Download PDFInfo
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- CN105007635A CN105007635A CN201510376959.XA CN201510376959A CN105007635A CN 105007635 A CN105007635 A CN 105007635A CN 201510376959 A CN201510376959 A CN 201510376959A CN 105007635 A CN105007635 A CN 105007635A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
Abstract
The invention is suitable for the field of data processing, and provides a communication method and a communication system. The method comprises the following steps that: a terminal establishes communication connection with an intelligent adapter system through an IP (Internet Protocol) network; the terminal transmits an uplink IP packet to the intelligent adapter system through the communication connection; the intelligent adapter system performs first replacement on a terminal IP address and a terminal port in the uplink IP packet, and transmits the replaced uplink IP packet to the IP network; the intelligent adapter system receives a downlink IP packet responding to the uplink IP packet from the IP network, performs second replacement on a downlink IP address and a downlink port in the downlink IP packet, and transmits the replaced downlink IP packet to the terminal; and the terminal receives the downlink IP packet, and performs communication according to the downlink IP packet. Through implementation of the embodiment of the invention, the terminal can perform communication through a plurality of different communication channels.
Description
Technical field
The invention belongs to data processing field, particularly relate to a kind of communication means and communication system.
Background technology
Current broadcasting and TV market cannot realize the whole network bidirectional rebuilding, be faced with two-way IP network and wired TV one-way radio network and the difficult situation deposited, in order to address this problem, the intelligent adapting system abundant Appropriate application network bandwidth resources of two-way IP network and cable TV network that the present invention proposes, asymmetrical bandwidth data communication can be realized at two-way IP network and wired TV one-way radio network in the environment deposited, reduce exploitation and two-way interactive business difficulty is provided.
Summary of the invention
Given this, the invention provides a kind of communication means and communication system, to solve the technical problem that prior art is not undertaken by multiple communication port communicating.
The embodiment of the present invention is achieved in that a kind of communication means, said method comprising the steps of:
Terminal is established a communications link by IP network and intelligent adapting system;
Up IP bag is sent to intelligent adapting system by described communication connection by terminal, and described up IP handbag is drawn together: IP address of terminal and terminal prot;
Intelligent adapting system carries out the first replacement to the IP address of terminal in described up IP bag and terminal prot, and the up IP bag after replacing is sent in IP network, described first replaces with: IP address of terminal and terminal prot are replaced with intelligent adapting system IP address and intelligent adapting system port;
Intelligent adapting system receives the downstream IP bag to the response of described up IP bag from described IP network, second replacement is carried out to the downstream IP address in described downstream IP bag and downlink port, and the downstream IP bag after replacing is sent to described terminal, described second replaces with: described downstream IP address and downlink port are replaced with IP address of terminal and terminal prot;
Terminal receives described downstream IP bag, and communicates according to described downstream IP bag.
The embodiment of the present invention also provides a kind of communication system, and described system comprises:
Terminal, for being established a communications link by IP network and intelligent adapting system, by described communication connection, up IP bag is sent to intelligent adapting system, receive the downstream IP bag that intelligent adapting system sends, communicate according to described downstream IP bag, described up IP handbag is drawn together: IP address of terminal and terminal prot;
Intelligent adapting system, for being established a communications link by IP network and terminal, the up IP bag that receiving terminal is sent by described communication connection, first replacement is carried out to the IP address of terminal in described up IP bag and terminal prot, and the up IP bag after replacing is sent in IP network, receive the downstream IP bag to the response of described up IP bag, second replacement is carried out to the downstream IP address in described downstream IP bag and downlink port, and the downstream IP bag after replacing is sent to described terminal, described first replaces with: IP address of terminal and terminal prot are replaced with intelligent adapting system IP address and intelligent adapting system port, described second replaces with: described downstream IP address and downlink port are replaced with IP address of terminal and terminal prot.
The embodiment of the present invention, terminal is established a communications link by IP network and intelligent adapting system, up IP bag is sent to intelligent adapting system by communication connection by terminal, intelligent adapting system is replaced the IP address of terminal in up IP bag and terminal prot, and the up IP bag after replacing is sent in IP network, intelligent adapting system receives the downstream IP bag to the response of up IP bag from P network, downstream IP address in downstream IP bag and downlink port are replaced, and the downstream IP bag after replacing is sent to terminal, terminal receives downstream IP bag, and communicate according to downstream IP bag, terminal can be communicated by multiple different communication port.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the flow chart of the communication means that the embodiment of the present invention provides;
Fig. 2 is the structure chart of the communication system that the embodiment of the present invention provides.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
In order to technical solutions according to the invention are described, be described below by specific embodiment.
Embodiment one
Be illustrated in figure 1 the flow chart of the communication means that the embodiment of the present invention provides, said method comprising the steps of:
Step S101, terminal is established a communications link by IP network and intelligent adapting system.
In embodiments of the present invention, first terminal for carrying out communicating is established a communications link by IP network and intelligent adapting system, this terminal is the end equipment of IP network bi-directional communication channels, and this intelligent adapting system can be taken on by different equipment according to the needs of application, does not limit at this.
Step S102, up IP bag is sent to intelligent adapting system by described communication connection by terminal, and described up IP handbag is drawn together: IP address of terminal and terminal prot.
In embodiments of the present invention, after establishing communication connection, up IP bag is sent to intelligent adapting system by this communication connection by terminal, and wherein, up IP handbag is drawn together: the IP address of terminal and port.
Step S103, intelligent adapting system carries out the first replacement to the IP address of terminal in described up IP bag and terminal prot, and the up IP bag after replacing is sent in IP network, described first replaces with: IP address of terminal and terminal prot are replaced with intelligent adapting system IP address and intelligent adapting system port.
In embodiments of the present invention, intelligent adapting system is after the up IP bag obtaining terminal transmission, IP address of terminal in this up IP bag and terminal prot are replaced, and the IP bag after replacing is sent in IP network, wherein, replacement is specially: IP address of terminal and terminal prot are replaced with intelligent adapting system IP address and intelligent adapting system port.Described IP address of terminal and terminal prot are replaced with intelligent adapting system IP address and intelligent adapting system port, are specially:
If 1 address mapping table preserves map record, then direct IP address of terminal and terminal prot are replaced with intelligent adapting system IP address and intelligent adapting system port; Or,
If 2 address mapping table do not have map record, then distribute a new mapped port, described new mapped port is saved in address mapping table, IP address of terminal and terminal prot is replaced with intelligent adapting system IP address and described new mapped port.
In embodiments of the present invention, if intelligent adapting system detects that map record does not exist, then first will distribute one does not use port as mapped port, and in address mapping table, preserve address maps record, then address transition is carried out to up IP bag, with the IP address in intelligent adapting system IP address and the original up IP bag of mapped port replacement and port.
Step S104, intelligent adapting system receives the downstream IP bag to the response of described up IP bag from described IP network, second replacement is carried out to the downstream IP address in described downstream IP bag and downlink port, and the downstream IP bag after replacing is sent to described terminal, described second replaces with: described downstream IP address and downlink port are replaced with IP address of terminal and terminal prot.
In embodiments of the present invention, intelligent adapting system receives the downstream IP bag of response from IP network, inquire address mapping table obtains IP address of terminal and terminal prot, address transition is carried out to the downstream IP bag received, replaces destination address and the destination interface of downstream IP bag with IP address of terminal and terminal prot.
Step S105, terminal receives described downstream IP bag, and communicates according to described downstream IP bag.
In embodiments of the present invention, terminal receives downstream IP bag, IP address and port is obtained from this downstream IP bag, and communicate with port according to this IP address, the transmission channel of converted downstream IP bag can be the one-way communication passage of intelligent adapting system to terminal of single bi-directional communication channels, IP/DVB gateway and cable TV network formation, bi-directional communication channels and three kinds, half-duplex channel parallel channel passage.
The embodiment of the present invention, terminal is established a communications link by IP network and intelligent adapting system, up IP bag is sent to intelligent adapting system by communication connection by terminal, intelligent adapting system is replaced the IP address of terminal in up IP bag and terminal prot, and the up IP bag after replacing is sent in IP network, intelligent adapting system receives the downstream IP bag to the response of up IP bag from P network, downstream IP address in downstream IP bag and downlink port are replaced, and the downstream IP bag after replacing is sent to terminal, terminal receives downstream IP bag, and communicate according to downstream IP bag, terminal can be communicated by multiple different communication port.
As an embodiment of the present invention, after the step that described terminal is established a communications link by IP network and intelligent adapting system, described method also comprises:
Terminal obtaining communication parameter.
In embodiments of the present invention, messaging parameter includes but not limited to: frequency, symbol rate, modulation system, transport stream PID, program number parameter.
Embodiment two
Be illustrated in figure 2 the structure chart of the communication system that the embodiment of the present invention provides, for convenience of explanation, the part relevant to the embodiment of the present invention be only shown, comprise:
Terminal 201, for being established a communications link by IP network and intelligent adapting system 202, by described communication connection, up IP bag is sent to intelligent adapting system, receive the downstream IP bag that intelligent adapting system sends, communicate according to described downstream IP bag, described up IP handbag is drawn together: IP address of terminal and terminal prot;
Intelligent adapting system 202, for being established a communications link by IP network and terminal 201, the up IP bag that receiving terminal is sent by described communication connection, first replacement is carried out to the IP address of terminal in described up IP bag and terminal prot, and the up IP bag after replacing is sent in IP network, receive the downstream IP bag to the response of described up IP bag, second replacement is carried out to the downstream IP address in described downstream IP bag and downlink port, and the downstream IP bag after replacing is sent to described terminal, described first replaces with: IP address of terminal and terminal prot are replaced with intelligent adapting system IP address and intelligent adapting system port, described second replaces with: described downstream IP address and downlink port are replaced with IP address of terminal and terminal prot.
In embodiments of the present invention, first terminal for carrying out communicating is established a communications link by IP network and intelligent adapting system, this terminal is the end equipment of IP network bi-directional communication channels, and this intelligent adapting system can be taken on by different equipment according to the needs of application, does not limit at this.
After establishing communication connection, up IP bag is sent to intelligent adapting system by this communication connection by terminal, and wherein, up IP handbag is drawn together: the IP address of terminal and port.
Energy adaption system is after the up IP bag obtaining terminal transmission, IP address of terminal in this up IP bag and terminal prot are replaced, and the IP bag after replacing is sent in IP network, wherein, replacement is specially: IP address of terminal and terminal prot are replaced with intelligent adapting system IP address and intelligent adapting system port.Described IP address of terminal and terminal prot are replaced with intelligent adapting system IP address and intelligent adapting system port, are specially:
If 1 address mapping table preserves map record, then direct IP address of terminal and terminal prot are replaced with intelligent adapting system IP address and intelligent adapting system port; Or,
If 2 address mapping table do not have map record, then distribute a new mapped port, described new mapped port is saved in address mapping table, IP address of terminal and terminal prot is replaced with intelligent adapting system IP address and described new mapped port.
If intelligent adapting system detects that map record does not exist, then first will distribute one does not use port as mapped port, and in address mapping table, preserve address maps record, then address transition is carried out to up IP bag, with the IP address in intelligent adapting system IP address and the original up IP bag of mapped port replacement and port.
Intelligent adapting system receives the downstream IP bag of response from IP network, inquire address mapping table obtains IP address of terminal and terminal prot, address transition is carried out to the downstream IP bag received, replaces destination address and the destination interface of downstream IP bag with IP address of terminal and terminal prot.
Terminal receives downstream IP bag, IP address and port is obtained from this downstream IP bag, and communicate with port according to this IP address, the transmission channel of converted downstream IP bag can be the one-way communication passage of intelligent adapting system to terminal of single bi-directional communication channels, IP/DVB gateway and cable TV network formation, bi-directional communication channels and three kinds, half-duplex channel parallel channel passage.
The embodiment of the present invention, terminal is established a communications link by IP network and intelligent adapting system, up IP bag is sent to intelligent adapting system by communication connection by terminal, intelligent adapting system is replaced the IP address of terminal in up IP bag and terminal prot, and the up IP bag after replacing is sent in IP network, intelligent adapting system receives the downstream IP bag to the response of up IP bag from P network, downstream IP address in downstream IP bag and downlink port are replaced, and the downstream IP bag after replacing is sent to terminal, terminal receives downstream IP bag, and communicate according to downstream IP bag, terminal can be communicated by multiple different communication port.
As an embodiment of the present invention, described terminal is also for obtaining communication parameter.
This messaging parameter includes but not limited to: frequency, symbol rate, modulation system, transport stream PID, program number parameter.
One of ordinary skill in the art will appreciate that the unit included by above-described embodiment two is carry out dividing according to function logic, but be not limited to above-mentioned division, as long as corresponding function can be realized; In addition, the concrete title of each functional unit, also just for the ease of mutual differentiation, is not limited to protection scope of the present invention.
Those of ordinary skill in the art it is also understood that, the all or part of step realized in above-described embodiment method is that the hardware that can carry out instruction relevant by program has come, described program can be stored in a computer read/write memory medium, described storage medium, comprises ROM/RAM, disk, CD etc.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a communication means, is characterized in that, said method comprising the steps of:
Terminal is established a communications link by IP network and intelligent adapting system;
Up IP bag is sent to intelligent adapting system by described communication connection by terminal, and described up IP handbag is drawn together: IP address of terminal and terminal prot;
Intelligent adapting system carries out the first replacement to the IP address of terminal in described up IP bag and terminal prot, and the up IP bag after replacing is sent in IP network, described first replaces with: IP address of terminal and terminal prot are replaced with intelligent adapting system IP address and intelligent adapting system port;
Intelligent adapting system receives the downstream IP bag to the response of described up IP bag from described IP network, second replacement is carried out to the downstream IP address in described downstream IP bag and downlink port, and the downstream IP bag after replacing is sent to described terminal, described second replaces with: described downstream IP address and downlink port are replaced with IP address of terminal and terminal prot;
Terminal receives described downstream IP bag, and communicates according to described downstream IP bag.
2. the method for claim 1, is characterized in that, described IP address of terminal and terminal prot is replaced with intelligent adapting system IP address and intelligent adapting system port, is specially:
If address mapping table preserves map record, then direct IP address of terminal and terminal prot are replaced with intelligent adapting system IP address and intelligent adapting system port; Or,
If address mapping table does not have map record, then distribute a new mapped port, described new mapped port is saved in address mapping table, IP address of terminal and terminal prot is replaced with intelligent adapting system IP address and described new mapped port.
3. the method for claim 1, is characterized in that, after the step that described terminal is established a communications link by IP network and intelligent adapting system, described method also comprises:
Terminal obtaining communication parameter.
4. method as claimed in claim 3, it is characterized in that, described messaging parameter comprises: frequency, symbol rate, modulation system, transport stream PID, program number parameter.
5. a communication system, is characterized in that, described system comprises:
Terminal, for being established a communications link by IP network and intelligent adapting system, by described communication connection, up IP bag is sent to intelligent adapting system, receive the downstream IP bag that intelligent adapting system sends, communicate according to described downstream IP bag, described up IP handbag is drawn together: IP address of terminal and terminal prot;
Intelligent adapting system, for being established a communications link by IP network and terminal, the up IP bag that receiving terminal is sent by described communication connection, first replacement is carried out to the IP address of terminal in described up IP bag and terminal prot, and the up IP bag after replacing is sent in IP network, receive the downstream IP bag to the response of described up IP bag, second replacement is carried out to the downstream IP address in described downstream IP bag and downlink port, and the downstream IP bag after replacing is sent to described terminal, described first replaces with: IP address of terminal and terminal prot are replaced with intelligent adapting system IP address and intelligent adapting system port, described second replaces with: described downstream IP address and downlink port are replaced with IP address of terminal and terminal prot.
6. system as claimed in claim 5, it is characterized in that, IP address of terminal and terminal prot are replaced with intelligent adapting system IP address and intelligent adapting system port by described intelligent adapting system, are specially:
If address mapping table preserves map record, then direct IP address of terminal and terminal prot are replaced with intelligent adapting system IP address and intelligent adapting system port; Or,
If address mapping table does not have map record, then distribute a new mapped port, described new mapped port is saved in address mapping table, IP address of terminal and terminal prot is replaced with intelligent adapting system IP address and described new mapped port.
7. system as claimed in claim 5, is characterized in that, described terminal is also for obtaining communication parameter.
8. system as claimed in claim 7, it is characterized in that, described messaging parameter comprises: frequency, symbol rate, modulation system, transport stream PID, program number parameter.
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| CN201510376959.XA CN105007635A (en) | 2015-06-29 | 2015-06-29 | Communication method and communication system |
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| CN201510376959.XA CN105007635A (en) | 2015-06-29 | 2015-06-29 | Communication method and communication system |
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| CN1668037A (en) * | 2004-03-10 | 2005-09-14 | 浙江大学 | IP network and cable television network merged access method and equipment |
| CN101076014A (en) * | 2006-05-15 | 2007-11-21 | 梅红兵 | Method for realizing two-way IP transmission system based on wired TV network |
| CN102006503A (en) * | 2010-11-05 | 2011-04-06 | 中国科学院声学研究所 | Wideband data communication system and method for integrating IP network and cable television network |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040111746A1 (en) * | 2002-12-04 | 2004-06-10 | Khoi Hoang | IP to DVB subchannel mapping |
| CN1668037A (en) * | 2004-03-10 | 2005-09-14 | 浙江大学 | IP network and cable television network merged access method and equipment |
| CN101076014A (en) * | 2006-05-15 | 2007-11-21 | 梅红兵 | Method for realizing two-way IP transmission system based on wired TV network |
| CN102006503A (en) * | 2010-11-05 | 2011-04-06 | 中国科学院声学研究所 | Wideband data communication system and method for integrating IP network and cable television network |
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Application publication date: 20151028 |