CN102014105A - Data packet treatment method, communication equipment and identification analyzing method - Google Patents
Data packet treatment method, communication equipment and identification analyzing method Download PDFInfo
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- CN102014105A CN102014105A CN2009101718403A CN200910171840A CN102014105A CN 102014105 A CN102014105 A CN 102014105A CN 2009101718403 A CN2009101718403 A CN 2009101718403A CN 200910171840 A CN200910171840 A CN 200910171840A CN 102014105 A CN102014105 A CN 102014105A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/22—Parsing or analysis of headers
Abstract
The invention relates to a data packet treatment method which comprises the steps of: receiving a data packet by communication equipment, wherein the data packet comprises a source address and a destination address which have N groups of codes, each group of codes have expansion indication information used for indicating whether the next group of codes is expanded, the expansion indication information of the first group to the (N-1)th group of codes indicates that the next group of codes is expanded, the expansion indication information of the Nth group of codes indicates that the next group of codes is not expanded, and N is not less than 1; recognizing the source address and the destination address by the communication equipment through adopting the following modes of analyzing the first group of codes, judging whether the expansion indication information indicates that the next group of codes is expanded, sequentially analyzing the next group of codes if the expansion indication information indicates that the next group of codes is expanded until the expansion indication information of the current group of codes are not expanded; and processing the data packet by the communication equipment according to an address recognition result. The invention can realize the flexible expansion of user identifications and data processing.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of data package processing method, communication equipment and identification (RNC-ID) analytic method.
Background technology
In the existing the Internet, use the IP address to represent the network site of a main frame.This IP address also is this user's identify label simultaneously.IPv4 is present widely used network addressing, is characterized in, the IP address is a fixed length, and IPv4 is 32.Because the IPv4 address space has only more than 30 hundred million, and distribute serious inequality, developed countries such as the U.S. distribute more, and developing country's distribution is less, causes network development country as China rapidly, because addresses distributed seldom, and the user is developed rapidly, estimates that address in 2010 can exhaust.The IPv4 space is little, and also remote-effects arrive the routing table scale of core router, and then has influence on the stability of IP network.
At the little problem in IPv4 space, the Internet tissue has been developed the IPv6 agreement, and the host identification IPv6 address of network layer has become 128.Though IPv6 has adopted 128 address space, in general the space is enough big, but actual distribution method, still be difficult to embody actual demand, flexibility is not enough, in the address assignment such as existing IPv6, certain unjustness occurred, it is many that the part countries and regions distribute, and some distribution is on the low side.Also face the problem of extensibility simultaneously.Few as some regional Internet user, wish to adopt less geocoding, to save equipment cost.
According to the problem of above-mentioned IP v4 and the existence of IPv6 network user identifier coding employing regular length, this paper proposes extendible user AID coding method, to solve the flexible expansion problem of network.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of data package processing method, communication equipment and identification (RNC-ID) analytic method, with the flexible expansion of realization user ID and the processing of data.
For solving above technical problem, the invention provides a kind of data package processing method, this method comprises:
Receiving step, communication equipment receives packet, described packet comprises source address and destination address, described source address and destination address have the N group coding, every group coding all has extension indication information, is used to indicate whether to have expanded a back group coding, and wherein a back group coding has been expanded in the indication of the extension indication information of the 1st to N-1 group coding, the extension indication information indication of N group coding is expansion back one group coding not, N 〉=1;
Identification step, described communication equipment resolution data bag, in the following way described source address and destination address are discerned: resolve first group coding, whether judgement extension indication information is wherein indicated and has been expanded a back group coding, if indication expansion, then resolve next group coding successively, until the not expansion of extension indication information indication of current group coding;
Treatment step, described communication equipment is directly handled described packet according to the address recognition result or described packet is transmitted to other communication equipments.
Further, every group coding is 32, and described extension indication information takies at least one position of the fixed position of every group coding.
Further, described extension indication information takies 1, and 0 shows not have expansion, and 1 shows expansion.
Further, described source address and destination address are the identify label or the station location markers of communication equipment in identity and the locator separation network.
For solving above technical problem, the present invention also provides a kind of communication equipment, and this communication equipment comprises packet receiver module, Address Recognition module, and the processing data packets module, wherein:
Described packet receiver module, be used to receive packet, described packet comprises source address and destination address, described source address and destination address have the N group coding, every group coding all has extension indication information, is used to indicate whether to have expanded a back group coding, and wherein a back group coding has been expanded in the expansion of the 1st to N-1 group coding indication, the extension indication information indication of N group coding is expansion back one group coding not, N 〉=1;
Described Address Recognition module, be connected with described packet receiver module, be used for the resolution data bag, and in the following way described source address and destination address are discerned: resolve first group coding, whether judgement extension indication information is wherein indicated and has been expanded a back group coding, if next group coding is then resolved in the indication expansion successively, do not expand not until the extension indication information indication of current group coding;
The processing data packets module is connected with described Address Recognition module, is used for described packet directly being handled or described packet being transmitted to other communication equipments according to the recognition result of described Address Recognition module.
Further, every group coding is 32, and described extension indication information takies at least one position of the fixed position of every group coding.
Further, described extension indication information takies 1, and 0 shows not have expansion, and 1 shows expansion.
Further, described source address and destination address are the identify label or the station location markers of communication equipment in identity and the locator separation network.
For solving above technical problem, the present invention also provides a kind of identification (RNC-ID) analytic method, described sign comprises the N group coding, every group coding all has extension indication information, be used to indicate whether to have expanded a back group coding, wherein a back group coding has been expanded in the expansion of the 1st to N-1 group coding indication, and the extension indication information indication of N group coding is expansion back one group coding not, N 〉=1, described method comprises:
Resolve first group coding, whether judgement extension indication information is wherein indicated and has been expanded a back group coding, if next group coding is then resolved in the indication expansion successively, does not expand until the extension indication information indication of current group coding.
Further, every group coding is 32, and described extension indication information takies at least one position of the fixed position of every group coding.
The source address of packet and destination address have the N group coding in data package processing method of the present invention and the communication equipment, every group coding all has the extension indication information whether next group coding is arranged, the communication equipment that receives packet is discerned source address and destination address according to extension indication information, thereby realizes the processing to packet.This in addition extendible coding method, overcome the shortcoming of fixed-line subscriber identifier space of the prior art, the problem that the user ID space that exists in the solution prior art can not be expanded, make and guarantee sustainable development and distribution requirements in the operator space of flexible expansion user ID according to demand.
Description of drawings
Fig. 1 is the schematic diagram of communication equipment address coded format of the present invention.
Fig. 2 is the application example schematic diagram of communication equipment address coded format.
Fig. 3 is the schematic diagram of data package processing method of the present invention.
Fig. 4 is the schematic diagram of identity locator separation network.
Embodiment
The main thought of data package processing method of the present invention and communication equipment is that source address and the destination address in the packet has the N group coding, every group coding all has the extension indication information whether next group coding is arranged, the communication equipment that receives packet is discerned source address and destination address according to extension indication information, thereby realizes the processing to packet.
Below in conjunction with accompanying drawing, the source address of sign communication equipment and the coded format of destination address among the present invention are described.
The source address and the destination address of the said sign communication equipment of the present invention have the N group coding, every group coding all has extension indication information, be used to indicate whether to have expanded a back group coding, wherein a back group coding has been expanded in the indication of the extension indication information of the 1st to N-1 group coding, the extension indication information indication of N group coding is expansion back one group coding not, N 〉=1 wherein, this geocoding form is the extending user identifier space smoothly.
As shown in Figure 1, every group coding is n position (bit), in this n bit, on fixing position, specific m position expansion indicating bit is set is used to represent extension indication information illustrates whether expanded the address space of a n position again after this n bit.
For with existing IPv4 compatibility, n gets 32.For example, in these 32 bits, arrange the highest one if highest order is 0, to illustrate that the address do not have expansion, if 1, illustrate that the back expanded 32 bit address space as the expansion indicating bit.As shown in Figure 2.
Above-mentioned coded format is expanded address space arbitrarily, that is to say m expansion indicating bit on the fixed position of second n bit space, illustrate that whether the 3rd n bit space be the address space of expansion, indicating K+1 n bit space up to m of the assigned address of k n bit address space is not extending space.
According to the coding method of above-mentioned AID, user's AID is extendible, can not cause the AID insufficient space because of fixing size, causes the carrier network development limited.
Below the processing procedure of the packet that adopts this coded format is described, as shown in Figure 3, this process comprises:
Step 301: receiving step, communication equipment receives packet, described packet comprises source address and destination address, described source address and destination address have the N group coding, every group coding all has extension indication information, is used to indicate whether to have expanded a back group coding, and wherein a back group coding has been expanded in the expansion of the 1st to N-1 group coding indication, the extension indication information indication of N group coding is expansion back one group coding not, N 〉=1;
Every group coding is 32, and described extension indication information takies at least one position of the fixed position of every group coding.For example, extension indication information takies 1, and 0 shows not have expansion, and 1 shows expansion.
Step 302: identification step, described communication equipment resolution data bag, and in the following way described source address and destination address are discerned: resolve first group coding, whether judgement extension indication information is wherein indicated and has been expanded a back group coding, if indication expansion, then resolve next group coding successively, until the not expansion of extension indication information indication of current group coding;
Step 303: treatment step, described communication equipment is directly handled described packet according to the address recognition result or described packet is transmitted to other communication equipments.
In the described treatment step, if described destination address is consistent with the sign of described communication equipment, then described communication equipment is directly handled described packet.
The IP address has dual-use function in the widely used ICP/IP protocol in existing internet, both as the station location marker of communication terminal host network interface in network topology of network layer, again as the identify label of transport layer host network interface.Do not consider the situation that main frame moves at the beginning of the ICP/IP protocol design.But when main frame moved more and more generally, the semanteme overload defective of this IP address was obvious day by day.When the IP address of main frame changed, not only route will change, and the identify label of communication terminal main frame also changes, and can cause routing overhead more and more heavier like this, and the variation of host identification can cause using and the interruption that is connected.The purpose that identify label and position separation problem propose is for problems such as the semanteme overload that solves the IP address and routing overhead are serious, the dual-use function of IP address is separated, realize the support that the problems such as exchanging visit between the heterogeneous networks zone in routing overhead and the Next Generation Internet are dynamically heavily distributed, alleviated in mobility, many locals property, IP address.
Fig. 4 is a kind of position and identity separated network, is called for short the advantage that LISN (location/IdentificationSeparation Network) has kept operator's IP network below, as;
● edge router (being called ASR) has being connected of point-to-point with terminal room;
● the terminal under the same ASR is isolated mutually, can only pass through the ASR intercommunication
● the user inserts ASR need pass through authentication
● ASR carries out the source address checking to the up packet of terminal.
Simultaneously, the LISN network has been realized the separation of terminal identity, position, concrete mechanism:
With the IP address of the ASR at terminal place station location marker as terminal, the RID (Router ID) that is called terminal, introduce of the identify label of a new NameSpace as terminal, the AID (Access ID) that is called terminal, the AID of a terminal perception self, and the AID of Correspondent Node, not perception RID information.All upper stratas connect all to be set up based on AID.Promptly replace TCP/IP, UDP/IP with TCP/AID, UDP/AID, introduce mapping server and deposit the map information of terminal AID-RID, terminal moves, and only needs to upgrade the mapping of AID-RID, need not change the AID of self, business be connected not influence so terminal moves.
Below in conjunction with identity and locator separation network, transmission of data packets of the present invention is described:
A: terminal A sends packet with purpose AID, source AID as purpose, source address; Wherein, purpose AID and source AID have the said characteristics of above the present invention, promptly have some group codings, and every group coding has extension indication information;
The packet that B:ASR receiving terminal A sends, according to mode identifying purpose AID described above, inquire about the purpose RID of this purpose AID correspondence then, and at new data packet head of former data packet head outside encapsulation, purpose RID, source RID as source, destination address;
C: purpose ASR receives packet, and is consistent with its RID according to mode identifying purpose RID described above, and the skin encapsulation is removed, and according to mode identifying purpose AID described above, then packet issued relevant terminal B.
In order to realize above method, the present invention also provides a kind of communication equipment, and this communication equipment comprises packet receiver module, Address Recognition module, and the processing data packets module, wherein:
Described packet receiver module, be used to receive packet, described packet comprises source address and destination address, described source address and destination address have the N group coding, every group coding all has extension indication information, is used to indicate whether to have expanded a back group coding, and wherein a back group coding has been expanded in the indication of the extension indication information of the 1st to N-1 group coding, the extension indication information indication of N group coding is expansion back one group coding not, N 〉=1;
Every group coding is 32, and described extension indication information takies at least one position of the fixed position of every group coding.For example, described extension indication information takies 1, and 0 shows not have expansion, and 1 shows expansion.
Described Address Recognition module, be connected with described packet receiver module, be used for the resolution data bag, and in the following way described source address and destination address are discerned: resolve first group coding, whether judgement extension indication information is wherein indicated and has been expanded a back group coding, if next group coding is then resolved in the indication expansion successively, until the not expansion of extension indication information indication of current group coding;
The processing data packets module is connected with described Address Recognition module, is used for described packet directly being handled or described packet being transmitted to other communication equipments according to the recognition result of described Address Recognition module.
If described destination address is consistent with the sign of described communication equipment, then described communication equipment is directly handled described packet.
Described source address and destination address are the identify label or the station location markers of communication equipment in identity and the locator separation network.
The source address of packet and destination address have the N group coding in data package processing method of the present invention and the communication equipment, every group coding all has the extension indication information whether next group coding is arranged, the communication equipment that receives packet is discerned source address and destination address according to extension indication information, thereby realizes the processing to packet.This in addition extendible coding method, overcome the shortcoming of fixed-line subscriber identifier space of the prior art, the problem that the user ID space that exists in the solution prior art can not be expanded, make and guarantee sustainable development and distribution requirements in the operator space of flexible expansion user ID according to demand.
Claims (10)
1. a data package processing method is characterized in that, this method comprises:
Receiving step, communication equipment receives packet, described packet comprises source address and destination address, described source address and destination address have the N group coding, every group coding all has extension indication information, is used to indicate whether to have expanded a back group coding, and wherein a back group coding has been expanded in the indication of the extension indication information of the 1st to N-1 group coding, the extension indication information indication of N group coding is expansion back one group coding not, N 〉=1;
Identification step, described communication equipment resolution data bag, in the following way described source address and destination address are discerned: resolve first group coding, whether judgement extension indication information is wherein indicated and has been expanded a back group coding, if indication expansion, then resolve next group coding successively, until the not expansion of extension indication information indication of current group coding;
Treatment step, described communication equipment is directly handled described packet according to the address recognition result or described packet is transmitted to other communication equipments.
2. the method for claim 1, it is characterized in that: every group coding is 32, described extension indication information takies at least one position of the fixed position of every group coding.
3. method as claimed in claim 2 is characterized in that: described extension indication information takies 1, and 0 shows not have expansion, and 1 shows expansion.
4. the method for claim 1, it is characterized in that: described source address and destination address are the identify label or the station location markers of communication equipment in identity and the locator separation network.
5. communication equipment, this communication equipment comprises packet receiver module, Address Recognition module, and the processing data packets module, it is characterized in that:
Described packet receiver module, be used to receive packet, described packet comprises source address and destination address, described source address and destination address have the N group coding, every group coding all has extension indication information, is used to indicate whether to have expanded a back group coding, and wherein a back group coding has been expanded in the expansion of the 1st to N-1 group coding indication, the extension indication information indication of N group coding is expansion back one group coding not, N 〉=1;
Described Address Recognition module, be connected with described packet receiver module, be used for the resolution data bag, and in the following way described source address and destination address are discerned: resolve first group coding, whether judgement extension indication information is wherein indicated and has been expanded a back group coding, if next group coding is then resolved in the indication expansion successively, do not expand not until the extension indication information indication of current group coding;
The processing data packets module is connected with described Address Recognition module, is used for described packet directly being handled or described packet being transmitted to other communication equipments according to the recognition result of described Address Recognition module.
6. communication equipment as claimed in claim 5 is characterized in that: every group coding is 32, and described extension indication information takies at least one position of the fixed position of every group coding.
7. communication equipment as claimed in claim 6 is characterized in that: described extension indication information takies 1, and 0 shows not have expansion, and 1 shows expansion.
8. communication equipment as claimed in claim 5 is characterized in that: described source address and destination address are the identify label or the station location markers of communication equipment in identity and the locator separation network.
9. identification (RNC-ID) analytic method, it is characterized in that, described sign comprises the N group coding, every group coding all has extension indication information, be used to indicate whether to have expanded a back group coding, wherein a back group coding has been expanded in the expansion of the 1st to N-1 group coding indication, and the extension indication information indication of N group coding is expansion back one group coding not, N 〉=1, described method comprises:
Resolve first group coding, whether judgement extension indication information is wherein indicated and has been expanded a back group coding, if next group coding is then resolved in the indication expansion successively, does not expand until the extension indication information indication of current group coding.
10. method as claimed in claim 9 is characterized in that: every group coding is 32, and described extension indication information takies at least one position of the fixed position of every group coding.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101718403A CN102014105A (en) | 2009-09-07 | 2009-09-07 | Data packet treatment method, communication equipment and identification analyzing method |
| PCT/CN2010/076231 WO2011026396A1 (en) | 2009-09-07 | 2010-08-23 | Method for processing data packets, communication device and identifier parsing method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009101718403A CN102014105A (en) | 2009-09-07 | 2009-09-07 | Data packet treatment method, communication equipment and identification analyzing method |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5537623A (en) * | 1993-03-01 | 1996-07-16 | International Business Machines Corporation | Multiple group address recognition |
| CN1845638A (en) * | 2006-04-30 | 2006-10-11 | 中国联合通信有限公司 | Wireless data communication monitoring system and method |
| US7161941B1 (en) * | 2000-03-01 | 2007-01-09 | Texas Instruments Incorporated | Wireless packet communications with extended addressing capability |
| CN101136866A (en) * | 2007-10-15 | 2008-03-05 | 北京交通大学 | Integrated network communication layer service quality guaranteeing structure and operating method |
-
2009
- 2009-09-07 CN CN2009101718403A patent/CN102014105A/en active Pending
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2010
- 2010-08-23 WO PCT/CN2010/076231 patent/WO2011026396A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5537623A (en) * | 1993-03-01 | 1996-07-16 | International Business Machines Corporation | Multiple group address recognition |
| US7161941B1 (en) * | 2000-03-01 | 2007-01-09 | Texas Instruments Incorporated | Wireless packet communications with extended addressing capability |
| CN1845638A (en) * | 2006-04-30 | 2006-10-11 | 中国联合通信有限公司 | Wireless data communication monitoring system and method |
| CN101136866A (en) * | 2007-10-15 | 2008-03-05 | 北京交通大学 | Integrated network communication layer service quality guaranteeing structure and operating method |
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| WO2011026396A1 (en) | 2011-03-10 |
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