CN1561051A - Flow control pocessing method of 3G packet field boundary gateway - Google Patents
Flow control pocessing method of 3G packet field boundary gateway Download PDFInfo
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- CN1561051A CN1561051A CNA2004100464638A CN200410046463A CN1561051A CN 1561051 A CN1561051 A CN 1561051A CN A2004100464638 A CNA2004100464638 A CN A2004100464638A CN 200410046463 A CN200410046463 A CN 200410046463A CN 1561051 A CN1561051 A CN 1561051A
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Abstract
The invention discloses a flow control pocessing method of 3G packet field boundary gateway, for carrying out pretreatment to the data packet transmitted from an external interface board of the boundary gateway to a user surface processing board, which is charactered in that it comprises: configuring a presorting table used to carry out priority classified for data packet on the external interface board; carrying out a differential service coding identification to the data packet transmitted to theuser surface processing board from the external interface board according to the configuration in the presorting table, and implementing the online presorting of the data packet; and carrying out the differential service coding identification to the data packet after the said online presorting by the said user surface processing board, implementing the final classfication of the data packet, and taking the final classfication as a criterion in the following net element QoS processing. The invention has avoided the problem that the flow controling function can not be implemented because no classfication is carried out between the interface board and the user surface processing board, accordingly providing guarantee for the genuine realization of QoS from user to the terminal.
Description
Technical field
The present invention relates to a kind of flow control processing method, relate in particular to the borde gateway flow control processing method of third generation mobile field packet domain.
Background technology
In the third generation mobile network network service quality is claimed, this requirement has clear and definite description in 3GPP (third generation mobile collaborative project) standard 3GPPTS23.107.
For realizing this quality requirement function, realize correctly that at the borde gateway place of network the service quality rating classification of network data flow is vital.Wherein, to realize the classification of down direction at the borde gateway place between 3G (third generation mobile) grouping of network domain core net and Internet (the Internet) network, the implementation of classifying by with TFT (data flow template) filter has only been proposed in 3GPP standard 3GPP23.060 at present, this TFT filter is that customer service activates a contextual important attribute, is a kind of user's association attributes.
The consideration that the 3G borde gateway is handled for large-capacity distributing, the external interface function is generally separated on Physical board with user's face processing capacity, as shown in Figure 1, have two kinds of Physical board of external interface plate and user surface processing board, these two kinds of Physical board can have polylith respectively according to the difference of power system capacity and veneer disposal ability.External interface plate 10 in the accompanying drawing 1 and external interface plate 20 are wherein two.User surface processing board 30 is wherein one.User's related context information only is kept on the user surface processing board.On interface board, will there be this user's related context information, this just causes at interface board can't realize the user data package classification, and then cause down user data to flow at interface board to realizing between the user surface processing board that service quality guarantees, is difficult to satisfy the requirement of the end-to-end assurance of QoS (Quality of service service quality).
Summary of the invention
Technical problem to be solved by this invention provides a kind of flow control processing method of 3G packet domain borde gateway, solves in the prior art and can't realize the problem that QoS guarantees between interface board and user surface processing board.
For achieving the above object, the invention provides a kind of flow control processing method of 3G packet domain borde gateway, be used for the packet that external interface plate to borde gateway mails to user surface processing board and carry out preliminary treatment, its characteristics are, comprise the steps:
Step 1, configuration is used for packet is carried out the presorted list of priority classification on described external interface plate, finishes the off-line configuration of presorting;
Step 2 is done the differential service code identification according to the configuration in the described presorted list to the packet that mails to described user surface processing board by described external interface plate, and realization the online of packet presorted;
Step 3, according to the user related data flow template classified information that resides on the described user surface processing board, do the differential service code identification by the packet of described user surface processing board after to described online presorting, realize the final classification of packet, and the classification with described final classification is as the criterion in the processing of network element service quality afterwards.
Above-mentioned method, its characteristics are, in described step 2, also include according to online priority of presorting and carry out processed, and the packet after will presorting according to the load sharing principle is sent to the step of corresponding user surface processing board.
Above-mentioned method, its characteristics be, in described step 1, the principle that disposes described presorted list is that source IP address, purpose IP address, source port, destination interface, protocol number and the differential service according to packet encoded and carried out the priority configuration.
Above-mentioned method, its characteristics be, is that the business high priority of high priority is presorted for well-known port number; To well-known port number is that the business low priority of low priority is presorted.
Above-mentioned method, its characteristics be, is that the IP address of a purpose IP address or a class server is that source IP address carries out presorting of high priority for a class user's IP address.
Above-mentioned method, its characteristics are that in described step 2, the described packet that mails to described user surface processing board is the packet from the Internet that described external interface plate receives.
Above-mentioned method, its characteristics are, in described step 3, described later network element service quality is handled and is meant that the packet of described final classification mails to descending core net node and wireless access network node by described user surface processing board, and realizes processed according to described final classification.
Technique effect of the present invention is:
The inventive method is used for packet is carried out the presorted list of priority classification by configuration on the external interface plate, come the packet that external interface plate to borde gateway mails to user surface processing board to presort, avoided to realize the problem of Flow Control function because interface board is not classified between the user surface processing board.Thereby really realized the QoS assurance of user to end.
Further describe specific embodiments of the invention below in conjunction with accompanying drawing.
Description of drawings
Fig. 1 is to be the borde gateway classification realization hardware distribution formula processing framework of example with WCDMA (Wideband Code Division Multiple Access (WCDMA));
Fig. 2 is to be the Flow Control sorter network framework map of example with WCDMA;
Fig. 3 is the flow chart of the inventive method;
Fig. 4 is the embodiment flow chart based on the end-to-end realization of QoS of presorting of the present invention.
Embodiment
Hardware components is made of the veneer of two types of external line interface base and user surface processing board.As shown in Figure 1, processing for a typical customer traffic, to comprise from external interface plate 10 and enter borde gateway GGSN (Gateway GPRS Support Node), be forwarded to and do the processing of user's face on the user surface processing board 30, afterwards, go out GGSN by external interface plate 20 and mail to SGSN (Serving GSN, serving GPRS support node).Here, have polylith external interface plate on the GGSN, external interface plate 10 in the accompanying drawing 1 and external interface plate 20 are wherein two.
Exist polylith user face to handle veneer on the GGSN, the user surface processing board 30 in the accompanying drawing 1 is wherein one.
Fig. 2 be existing be the Flow Control sorter network framework map of example with WCDMA, will be referred to when describing the inventive method in the back, do not give unnecessary details herein.
Be the flow chart of the inventive method as shown in Figure 3; The inventive method is categorized as example with the down direction Flow Control and describes, and this mode will be equally applicable to the classification of uplink user data stream.
The realization of this algorithm need depend on the distributed hardware realization framework that the described borde gateway user of background technology face is handled.This hardware architecture comprises external interface plate and two kinds of veneers of user surface processing board.There are polylith external interface plate and user surface processing board simultaneously.User-dependent TFT classified filtering device only exists on the user surface processing board.Customer traffic flows into borde gateway from the Internet network, will deliver to the coupling classification of doing on the different user surface processing board based on the TFT filter by different external interface plates.Because interface board between the user surface processing board, is not classified, and can't realize the Flow Control function.For addressing this problem, the present invention proposes to do the implementation of presorting on the external interface plate.It is implemented as follows shown in the step:
The first step 100 realizes the off-line configuration of presorting, and does the configuration of presorted list on the external interface plate.The equipping rules of this table is the classification that source IP address, purpose IP address, source port, destination interface, protocol number and the DSCP according to this packet realizes packet priority.The realization thinking is, is that the business high priority of high priority is presorted for well-known port number; To well-known port number is that the business low priority of low priority is presorted.Equally, the implementation strategy that can carry out based on business is that the IP address of a purpose IP address or a class server is the division that source IP address is realized high priority for a class user's IP address.
The 3rd step 300, user surface processing board DSCP classification, in user surface processing board according to the relevant TFT classified information of user resident on it, customer traffic is realized real DSCP sign, realize the final classification of packet, the network element QoS thereafter handles, and will be as the criterion with the classification of this final classification.
Combination by above three steps, presorting of being about to propose among the present invention combines with traditional user's face veneer TFT classification, the complete QoS that just can realize the 3G borde gateway guarantees, avoid traditional Q oS to realize only on user surface processing board, realizing, be difficult to the defective that realizes that really QoS guarantees.
As shown in Figure 4, be the embodiment flow chart based on the end-to-end realization of QoS of presorting of the present invention.The treatment step of embodiment is as follows:
Concrete configuration depends on the implementation strategy of operator, below illustrates its basic presorted list configuration thought.
| Source IP address | Purpose IP address | Source port | Destination interface | Protocol type | The DSCP coding |
| ????* | ??168.1.*.* | ???* | ????* | ????* | ???EF |
| ????172.10.1.2 | ????* | ????* | ????* | ????* | ????EF |
| ????* | ????* | ????* | ????20 | ????TCP | ????DS |
| ????* | ????* | ????* | ????80 | ????TCP | ????AF |
As above shown in the table, * partly represents and can ignore in the table, is the advanced level user of 168.1.*.* for destination address, gives the DSCP coding of limit priority EF type; For from the VOD server, promptly source address provides the service of EF priority for the 172.10.1.2 packet; For the FTP service, promptly the destination slogan is 20 TCP business, and giving lowest priority is the DSCP coding of DS; For TCP destination slogan is that 80 HTTP business gives the AF level other priority service.
Do the DSCP sign according to TFT on step 430. user surface processing board 30, realize priority scheduling based on new sign: on user surface processing board 30, realize classification, realize Flow Control classification transmission from user surface processing board 30 to external interface plate 20 according to this classification based on user signing contract information according to the classification chart of TFT.
Still realize priority scheduling on step 450.SGSN and the RNC: as shown in Figure 2 based on this DSCP sign, this user's downlink data packet will be sent to SGSN and RNC successively, during this period, its Flow Control classification will be as the criterion with the classification on user surface processing board shown in Figure 1 30.From RNC (radio network controller) to the transmission of UE (subscriber equipment) will adopt the class indication of wireless side realize Flow Control function thereafter.
Be categorized as example though it is pointed out that the present invention here with the downlink data of WCDMA, the mode of presorting involved in the present invention is equally applicable to the up-downgoing data flow of other third generation mobile technology on borde gateway and presorts.
Claims (7)
1, a kind of flow control processing method of 3G packet domain borde gateway is used for the packet that external interface plate to borde gateway mails to user surface processing board and carries out preliminary treatment, it is characterized in that, comprises the steps:
Step 1, configuration is used for packet is carried out the presorted list of priority classification on described external interface plate, finishes the off-line configuration of presorting;
Step 2 is done the differential service code identification according to the configuration in the described presorted list to the packet that mails to described user surface processing board by described external interface plate, and realization the online of packet presorted;
Step 3, according to the user related data flow template classified information that resides on the described user surface processing board, do the differential service code identification by the packet of described user surface processing board after to described online presorting, realize the final classification of packet, and the classification with described final classification is as the criterion in the processing of network element service quality afterwards.
2, method according to claim 1, it is characterized in that, in described step 2, also include according to online priority of presorting and carry out processed, and the packet after will presorting according to the load sharing principle is sent to the step of corresponding user surface processing board.
3, method according to claim 1 and 2, it is characterized in that, in described step 1, the principle that disposes described presorted list is that source IP address, purpose IP address, source port, destination interface, protocol number and the differential service according to packet encoded and carried out priority configuration.
4, method according to claim 3 is characterized in that, is that the business high priority of high priority is presorted for well-known port number; To well-known port number is that the business low priority of low priority is presorted.
5, method according to claim 3 is characterized in that, is that the IP address of a purpose IP address or a class server is that source IP address carries out presorting of high priority for a class user's IP address.
6, method according to claim 3 is characterized in that, in described step 2, the described packet that mails to described user surface processing board is the packet from the Internet that described external interface plate receives.
7, method according to claim 6, it is characterized in that, in described step 3, described later network element service quality is handled the packet that is meant described final classification and is mail to corresponding external interface plate and further mail to descending core net node and wireless access network node successively by described user surface processing board, and realizes processed according to described final classification.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2004100464638A CN1323534C (en) | 2004-02-09 | 2004-06-09 | Flow control pocessing method of 3G packet field boundary gateway |
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| CN200410039117.7 | 2004-02-09 | ||
| CN200410039117 | 2004-02-09 | ||
| CNB2004100464638A CN1323534C (en) | 2004-02-09 | 2004-06-09 | Flow control pocessing method of 3G packet field boundary gateway |
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| CN1561051A true CN1561051A (en) | 2005-01-05 |
| CN1323534C CN1323534C (en) | 2007-06-27 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103428101A (en) * | 2013-08-01 | 2013-12-04 | 华为技术有限公司 | Load sharing method and device |
| CN103444140A (en) * | 2011-03-21 | 2013-12-11 | 马维尔国际贸易有限公司 | Method and apparatus for pre-lassifying packets |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0009226D0 (en) * | 2000-04-12 | 2000-05-31 | Nokia Networks Oy | Transporting information in a communication system |
| EP1168753A1 (en) * | 2000-06-26 | 2002-01-02 | Alcatel | Method and means for transmitting data with different qualities of service in IP datagrams |
| CN1173529C (en) * | 2002-06-05 | 2004-10-27 | 华为技术有限公司 | Protection method for controlling message safety based on message of border gateway protocol |
| US6885638B2 (en) * | 2002-06-13 | 2005-04-26 | Motorola, Inc. | Method and apparatus for enhancing the quality of service of a wireless communication |
| CA2393373A1 (en) * | 2002-07-15 | 2004-01-15 | Anthony Gerkis | Apparatus, system and method for the transmission of data with different qos attributes. |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103444140A (en) * | 2011-03-21 | 2013-12-11 | 马维尔国际贸易有限公司 | Method and apparatus for pre-lassifying packets |
| CN103444140B (en) * | 2011-03-21 | 2016-06-29 | 马维尔国际贸易有限公司 | For the method and apparatus that packet is presorted |
| US10462267B2 (en) | 2011-03-21 | 2019-10-29 | Marvell World Trade Ltd. | Method and apparatus for pre-classifying packets |
| CN103428101A (en) * | 2013-08-01 | 2013-12-04 | 华为技术有限公司 | Load sharing method and device |
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| CN1323534C (en) | 2007-06-27 |
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