CN1984027A - Method for transmitting data packet - Google Patents
Method for transmitting data packet Download PDFInfo
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- CN1984027A CN1984027A CNA2006100804376A CN200610080437A CN1984027A CN 1984027 A CN1984027 A CN 1984027A CN A2006100804376 A CNA2006100804376 A CN A2006100804376A CN 200610080437 A CN200610080437 A CN 200610080437A CN 1984027 A CN1984027 A CN 1984027A
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- transmission information
- classification transmission
- data packet
- sending method
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Abstract
A data packet delivery method, relates to communication technology field, it solves the defect that it can't complete data packet's classification transmission of the current technology. This invention firstly sets classification transmission information, and then chooses data access and transmits data packet according to classification transmission information. This invention can set classification transmission information and establish classification transmission list, according to classification transmission information it chooses data access and transmits data packet, and completes the data packet's classification transmission.
Description
Technical field
The present invention relates to communication technical field, especially relate to a kind of data packet sending method.
Background technology
At present, WiMAX (World Interoperability for Microwave Access, World Interoperability for Microwave Access, WiMax) technology is used widely, and this technology is a kind of wireless MAN access technology, peak transfer rate is 75Mbit/ second, and signal transmission radius reaches 50 kilometers.Because the WiMAX technology has the long-distance transmissions characteristic, so this technology not only is used for wireless access, the wireless extensions that can also insert as cable network.
The WiMAX network system as shown in Figure 1, this system comprises ASP (ApplicationService Provider, the application service provider) web/the Internet 11, CSN (ConnectivityService Network, connectivity serving network) 12, ASN (Access Service Network, access service network) 13 and SS (Subscribe Station, subscriber station)/MSS (MobileSubscribe Station, mobile subscriber station) 14, wherein ASN 13 further comprises ASN GW (Access Service Network GateWay, access service network gateway) 15 and BS (BaseStation, base station) 16.ASP web/the Internet 11 is connected with CSN12, and CSN12 is connected with ASN GW15 by interface R3, and ASN GW15 is connected with BS16 by interface R6, and BS16 is connected with SS/MSS14 by interface R1.ASN13 is by NAP (Network AccessProvider, Network Access Provider) management, and CSN12 is managed by NSP (Network ServiceProvider, Internet Service Provider).
The grouping busihess data newspaper of descending SS/MSS14 passes through Interface R3 from CSN12, be sent on the ASN GW15 of ASN13 inside, again through the ASN GW15 of ASN13 inside and the R6 interface between the BS16 transmit to BS16, be sent on the SS/MSS14 by the R1 interface between BS16 and the SS/MSS14 then.Upstream data then passes through the R1 interface from SS/MSS14, be sent on the BS16 of ASN13 inside, again through the BS16 of ASN13 inside and the R6 interface between the ASN GW15 transmit to ASN GW15, be sent on the CSN12 by the Interface R3 between ASNGW15 and the CSN12 then and reach end subscriber.
When message transmission, every service of SS/MSS all is carried among the SF (Service Flow, service flow), and QoS (the Quality of Service of network service, service quality) mode by SF guarantees, has the service of identical requirement to use the phase homogeneous turbulence to QoS.SS/MSS, BS and ASN GW guarantee service quality based on the qos parameter of having promised to undertake, comprise SF classification, traffic policing and queue scheduling.In WiMAX network system shown in Figure 1, the interface R6 of ASN13 inside has the data path of corresponding up-downgoing to each Business Stream of each SS/MSS, and those data paths are that the qos requirement mode according to Business Stream is set up when each Business Stream is set up.And when Business Stream is ended, need to discharge corresponding data path.When the grouping busihess data of descending SS/MSS14 newspaper is sent to the ASNGW15 of ASN13 inside and BS16 from CSN12, need select corresponding service stream and data path, be forwarded to SS/MSS14 according to classification transmission information; And upstream data also needs according to classification transmission information when SS/MSS14 is sent to the BS16 of ASN13 inside and ASN GW15, selects corresponding service stream and data channel, is forwarded to CSN12.
The operation of data path is to realize according to one group of primitive of data path, and this primitive comprises command code, operation reason, mode of operation, failure code, MS (Mobile Station, portable terminal) sign and data path information.Wherein, command code further comprises data path registration, data path deletion, data path pre-registration and data path modification; Data path information comprises that data path type, data path are represented, classification transmission list, multicast information, Endpoint ID and data integrity operation flag.In revising, data path registration, data path deletion, data path pre-registration and data path all comprise the data path information parameter, wherein classification transmission list is a group categories forwarding information, this classification transmission list provides the retransmission method of packet, when carrying out the packet forwarding, the data path corresponding with this packet according to the classification transmission Information Selection.
But, do not realize the method for classification transmission list in the prior art, promptly when carrying out the packet forwarding, there is not the respective classified forwarding information to select the data path corresponding with this packet, therefore SS/MSS, BS and ASN GW can't send to packet on the corresponding service stream, thereby can not finish the classification transmission of packet.
Summary of the invention
The problem to be solved in the present invention provides a kind of data packet sending method, to overcome the defective that can not finish the classification transmission of packet in the prior art.
For achieving the above object, the invention provides a kind of data packet sending method, may further comprise the steps:
A, classification transmission information is set;
B, according to classification transmission Information Selection data path and transmit packet.
According to one aspect of the present invention, further comprise before the step B and obtain packet information.
According to another aspect of the present invention, described classification transmission information comprises priority parameters, and step B further comprises:
B1, judge whether the classification transmission information of all priority has checked, if then finish; Otherwise change step B2;
Whether B2, judgment data bag mate the highest classification transmission information of unchecked priority, if then change step B3, otherwise change step B1;
B3, obtain corresponding data path and transmit packet.
According to another aspect of the present invention, described classification transmission information also comprises the protocol type parameter, and step B2 further comprises and judges whether protocol type mates classification transmission information.
According to another aspect of the present invention, described classification transmission information also comprises purpose Internet Protocol address and destination address mask parameter, and step B2 further comprises and judges whether destination address mates classification transmission information.
According to another aspect of the present invention, described classification transmission information also comprises initial destination slogan and stops destination slogan parameter, and step B2 further comprises and judges whether the destination slogan mates classification transmission information.
According to another aspect of the present invention, described classification transmission information also comprises source Internet Protocol address and source address mask parameter, and step B2 further comprises and judges whether source address mates classification transmission information.
According to another aspect of the present invention, described classification transmission information also comprises the starting resource port numbers and stops the source port number parameter, and step B2 further comprises and judges whether source port number mates classification transmission information.
Compared with prior art, the present invention has the following advantages:
The present invention can be provided with classification transmission information, sets up classification transmission list, and according to classification transmission Information Selection data path and transmit packet, finishes the classification transmission of packet.
Description of drawings
Fig. 1 is a kind of WiMAX network system figure;
Fig. 2 is the forwarding process figure of a kind of packet of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail:
In WiMAX network system shown in Figure 1, the present invention at first is provided with classification transmission information, promptly on SS/MSS14, BS16 and ASN GW15, set up classification transmission list, when carrying out the packet forwarding, obtain packet information and inquire about classification transmission list, according to the classification transmission Information Selection data path corresponding in this table with this packet, then this packet is sent on the corresponding service stream, finish the classification transmission of packet.
When setting up classification transmission list, the classification transmission information in the table comprises following parameter:
Priority parameters is to the height classification of each the classification transmission information in the classification transmission list according to priority.When transmitting packet, earlier high classification transmission Information Selection data path according to priority, if do not meet this classification transmission information, low according to priority again classification transmission Information Selection data path.
Source IP address and source address mask, source IP address is used for representing the source address of packet, if the source address of classification transmission information requirements is network segment addresses, then represents with the source address mask.
Purpose IP address and destination address mask, purpose IP address is used for representing the destination address of packet, if the destination address of classification transmission information requirements is network segment addresses, then represents with the destination address mask.
Protocol type is used for representing the protocol type of packet comprising UDP (User DatagramProtocol, User Datagram Protoco (UDP)) and TCP (Transmission Control Protocol, transmission control protocol).
Starting resource port numbers and termination source port number, the starting resource port numbers is used for representing the minimum value of source port number scope, stops the maximum that source port number is used for representing the source port number scope.
Initial destination slogan and termination destination slogan, initial destination slogan is used for representing the minimum value of destination slogan scope, stops the maximum that the destination slogan is used for representing destination slogan scope.
When carrying out the packet forwarding, the forwarding process of a kind of packet of the present invention as shown in Figure 2.With reference to Fig. 2, the present invention includes following steps:
Step s101 obtains packet information and inquires about classification transmission list.
Step s102 judges whether the classification transmission information of all priority has checked.If then finish; Otherwise change step s103.
Step s103 judges whether protocol type mates the highest classification transmission information of unchecked priority.If then change step s104; Otherwise change step s102.
Step s104 judges whether destination address mates the highest classification transmission information of unchecked priority.If then change step s105; Otherwise change step s102.
Step s105 judges whether the destination slogan mates the highest classification transmission information of unchecked priority.If then change step s106; Otherwise change step s102.
Step s106 judges whether source address mates the highest classification transmission information of unchecked priority.If then change step s107; Otherwise change step s102.
Step s107 judges whether source port number mates the highest classification transmission information of unchecked priority.If then change step s108; Otherwise change step s102.
Step s108 obtains corresponding data path and transmits packet.
Wherein, in step s107, can include only the combination of a step or several steps according to the requirement of classification transmission information, and the order between those steps can be adjusted at step s103 of the present invention.
Embodiment one, supposes to have a data path, and the type of passage of this data path is GRE (Generic Route Encapsulation, a generic route encapsulation), and the path identification code is 1000.
Classification transmission information at first is set, sets up classification transmission list.Suppose that the classification transmission information corresponding with this data path has two, one is high priority, and purpose IP address is 10.10.10.0, and the destination address mask is 255.255.255.0, and initial destination slogan is 80, and stopping the destination slogan is 80; Another is a low priority, and purpose IP address is 10.11.10.0, and the destination address mask is 255.255.255.0.
If a packets need is transmitted, the destination address that obtains this packet is 10.10.10.12, and the destination slogan is 23, and source address is 11.10.10.2, and source port number is 5010, and protocol type is TCP.
When transmitting this packet, adopt the forwarding process of packet as shown in Figure 2.Whether the classification transmission information of at first judging all priority has checked, because two classification transmission information all do not check, so according to the priority of classification transmission information, whether first judgment data bag mates the classification transmission information of high priority.According to the requirement of this classification transmission information, step s102 of the present invention includes only step s103 that destination address is detected and the step s104 that the destination slogan is detected to step s106.After testing, because the destination slogan of packet is 23, initial destination slogan is 80, stops the destination slogan to be 80 condition in the classification transmission that the do not match information, so change step s101, judges whether the classification transmission information of all priority has checked again.Because the classification transmission information of low priority is not also checked, so whether the judgment data bag mates the classification transmission information of low priority.According to the requirement of this classification transmission information, step s102 of the present invention includes only the step s103 that destination address is detected to step s106.After testing, because the destination address of packet is 10.10.10.12, purpose IP address is 10.11.10.0 in the classification transmission that the do not match information, and the destination address mask is the condition of 255.255.255.0, so change step s101, judge again whether the classification transmission information of all priority has checked.Because the classification transmission information of all priority has all checked, so do not find corresponding data path, the forwarding of end data packet.
Embodiment two, suppose to have a data path, and the type of passage of this data path is GRE, and the path identification code is 1000.
Classification transmission information at first is set, sets up classification transmission list.Suppose that the classification transmission information corresponding with this data path has two, one is high priority, and purpose IP address is 10.10.10.0, and the destination address mask is 255.255.255.0, and initial destination slogan is 80, and stopping the destination slogan is 80; Another is a low priority, and purpose IP address is 10.11.10.0, and the destination address mask is 255.255.255.0.
If a packets need is transmitted, the destination address that obtains this packet is 10.10.10.110, and the destination slogan is 80, and source address is 11.10.10.2, and source port number is 5010, and protocol type is TCP.
When transmitting this packet, adopt the forwarding process of packet as shown in Figure 2.Whether the classification transmission information of at first judging all priority has checked, because two classification transmission information all do not check, so according to the priority of classification transmission information, whether first judgment data bag mates the classification transmission information of high priority.According to the requirement of this classification transmission information, step s102 of the present invention includes only step s103 that destination address is detected and the step s104 that the destination slogan is detected to step s106.After testing, the destination address of packet is 10.10.10.110, the destination slogan is 80, purpose IP address is 10.10.10.0 in the coupling classification transmission information, the destination address mask is 255.255.255.0, initial destination slogan is 80 condition, is that GRE, path identification code are 1000 data paths so find type of passage, transmits packet.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (8)
1, a kind of data packet sending method is characterized in that, may further comprise the steps:
A, classification transmission information is set;
B, according to classification transmission Information Selection data path and transmit packet.
2, data packet sending method according to claim 1 is characterized in that, further comprises before the step B and obtains packet information.
3, data packet sending method as claimed in claim 1 or 2 is characterized in that described classification transmission information comprises priority parameters, and step B further comprises:
B1, judge whether the classification transmission information of all priority has checked, if then finish; Otherwise change step B2;
Whether B2, judgment data bag mate the highest classification transmission information of unchecked priority, if then change step B3, otherwise change step B1;
B3, obtain corresponding data path and transmit packet.
4, as data packet sending method as described in the claim 3, it is characterized in that described classification transmission information also comprises the protocol type parameter, step B2 further comprises and judges whether protocol type mates classification transmission information.
5, as data packet sending method as described in the claim 3, it is characterized in that described classification transmission information also comprises purpose Internet Protocol address and destination address mask parameter, step B2 further comprises and judges whether destination address mates classification transmission information.
As data packet sending method as described in the claim 3, it is characterized in that 6, described classification transmission information also comprises initial destination slogan and stop destination slogan parameter, step B2 further comprises and judges whether the destination slogan mates classification transmission information.
7, as data packet sending method as described in the claim 3, it is characterized in that described classification transmission information also comprises source Internet Protocol address and source address mask parameter, step B2 further comprises and judges whether source address mates classification transmission information.
As data packet sending method as described in the claim 3, it is characterized in that 8, described classification transmission information also comprises the starting resource port numbers and stop the source port number parameter, step B2 further comprises and judges whether source port number mates classification transmission information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100804376A CN1984027A (en) | 2006-05-16 | 2006-05-16 | Method for transmitting data packet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100804376A CN1984027A (en) | 2006-05-16 | 2006-05-16 | Method for transmitting data packet |
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| Publication Number | Publication Date |
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| CN1984027A true CN1984027A (en) | 2007-06-20 |
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| CNA2006100804376A Pending CN1984027A (en) | 2006-05-16 | 2006-05-16 | Method for transmitting data packet |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010142081A1 (en) * | 2009-06-12 | 2010-12-16 | 华为技术有限公司 | Video messages transmission method, router equipment and system |
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- 2006-05-16 CN CNA2006100804376A patent/CN1984027A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010142081A1 (en) * | 2009-06-12 | 2010-12-16 | 华为技术有限公司 | Video messages transmission method, router equipment and system |
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Open date: 20070620 |