CN100442755C - Method for guaranteeing general route package channel transmission reliability - Google Patents
Method for guaranteeing general route package channel transmission reliability Download PDFInfo
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- CN100442755C CN100442755C CNB2003101135900A CN200310113590A CN100442755C CN 100442755 C CN100442755 C CN 100442755C CN B2003101135900 A CNB2003101135900 A CN B2003101135900A CN 200310113590 A CN200310113590 A CN 200310113590A CN 100442755 C CN100442755 C CN 100442755C
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Abstract
The present invention discloses a method for guaranteeing the transmission reliability of general route packaging tunnels, which comprises: A, a receiver receives a data packet for judging whether the sequence numbers of the received data packet are identical with the sequence numbers of an expected data packet set by the receiver or not; if the sequence numbers are different, step B is executed; otherwise, step C is executed; B, retransmission notification information with the sequence numbers is transmitted to a transmitter; after the transmitter receives the retransmission notification information, the data packet with the sequence numbers carried by the retransmission notification information is obtained from a buffer memory queue set by the transmitter for retransmitting the data packet to the receiver; step A is returned; C, after the data packet is normally processed, one fixed value is added on the sequence numbers of the expected data packet for the reception by the receiver; step A is returned. Therefore, the method guarantees the transmission reliability of the data packet in a GRE tunnel. Consequently, the present invention solves the problem that the data packet transmitted in the GRE tunnel is lost.
Description
Technical field
The present invention relates to generic route encapsulation (GRE) technology of the communications field, particularly a kind of assurance gre tunneling transmits reliable method.
Background technology
Along with the development of Internet protocol (IP) technology, gre tunneling has also obtained using widely, and gre tunneling is based on the IP scenario of RFC1701 standard agreement, RFC1702 standard agreement and RFC2784 standard agreement.Its way is that packet is added the GRE head, and the packet that has encapsulated the GRE head transmits by gre tunneling.At the router gre tunneling is a point-to-point port, and it can be encrypted.
As shown in Figure 1, Fig. 1 is the schematic diagram with the gre tunneling transmits data packets: this packet sends network element B to by network element A, exist two interfaces between network element A and the network element B: signaling interface and gre tunneling, wherein, signaling interface can be transmission control protocol (TCP) interface or User Datagram Protoco (UDP) (UDP) interface, be used to realize foundation, maintenance and the release function of gre tunneling, gre tunneling is used for from network element A transfer data packets to network element B.
In group data service node (PDSN), can realize the transmission of packet by gre tunneling, between PDSN and monitoring system, also can realize the transmission of packet by gre tunneling.
Because therefore being based upon on the IP layer of gre tunneling do not have the reliable transmission of similar TCP to guarantee.At present, do not have scheme can solve the reliable transmission that in gre tunneling, how to guarantee packet, thereby exist the problem that data packets for transmission may be lost in gre tunneling.So, how to guarantee in gre tunneling that the reliable transmission of packet is a problem demanding prompt solution.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of assurance gre tunneling to transmit reliable method, and this method can guarantee the reliability of transmits data packets in gre tunneling, thereby can solve the problem that data packets for transmission can be lost in gre tunneling.
According to above-mentioned purpose, specific embodiments of the present invention is achieved in that
A kind of assurance generic routing encapsulation tunnel transmits reliable method, transmit leg sets in advance the buffer queue that is used for the packet after buffer memory sends, the recipient sets in advance the sequence number that packet is received in expectation, first sequence of data packet that the sequence number that packet is received in the expectation that this recipient sets in advance and transmit leg send is number identical, and this method also comprises:
The recipient receives packet, and judgement receives the sequence number of packet and receives with the expectation that the recipient is provided with whether the sequence number of packet is identical;
If the sequence number of packet is received in the expectation that the sequence number that the recipient receives packet is provided with greater than the recipient, then the data pack buffer that this is received if timer A does not start, then starts timer A, continues to receive packet;
When timer A then, the recipient does not still receive the packet that described expectation is received, then send carry the sequence number that described expectation receives packet the re-transmission notification message to transmit leg;
The recipient receives the packet that transmit leg sends according to described re-transmission notification message, and behind this packet of normal process, the sequence number that recipient's expectation is received packet increases a definite value, and continues to receive packet;
Receive that with the expectation that the recipient is provided with the sequence number of packet is identical if receive the sequence number of packet, the expectation that the recipient is provided with is received that the sequence number of packet increases a definite value, judge whether the recipient exists cached data packet, if there is no, then continue to receive packet;
If exist, the sequence number that the recipient receives recipient's expectation packet is compared with the sequence number of the sequence number minimal data bag of institute buffer memory:
If equate, after this cached data packet taking-up processing, recipient's expectation is received the sequence number of packet increases a definite value, continue definite recipient and whether have cached data packet; If greater than, then this cached data packet taking-up is abandoned, continue to determine whether the recipient exists cached data packet; If less than, then start timer A, and continue to receive packet.
Described recipient send carry the sequence number that described expectation receives packet the re-transmission notification message to transmit leg after, transmit leg judges whether its buffer queue exists the packet with sequence number that described re-transmission notification message carries, if exist, then send described packet with sequence number that described re-transmission notification message carries; Otherwise transmit leg is reported to the police, and generic routing encapsulation tunnel breaks.
If the sequence number of packet is received in the expectation that the sequence number that the recipient receives packet is provided with less than the recipient,, and continue to receive packet then with this data packet discarding.
This method further comprises: the recipient sets in advance the chained list of packet that is used for receiving by the expectation that the described sequence number that receives of the incremental order buffer memory of sequence number is provided with greater than the recipient sequence number of packet.
When the data cached bag of described chained list was expired, recipient then buffer memory sequence number abandoned the packet of sequence number maximum in the chained list than the little packet of sequence number of the packet of sequence number maximum in the chained list.
The process that the described sequence number that the recipient is expected to receive packet increases a definite value comprises: the definite value of this increase is that the size that increases progressively of the packet that sends according to transmit leg is determined.
When re-transmission notification message that the sequence number that described expectation receives packet is carried in described transmission was to transmit leg, the recipient started timer B;
When this timer B does not receive packet then the time, then the recipient reports to the police and the connection of the generic routing encapsulation tunnel that breaks.
If when transmitting the interface of this message and being the User Datagram Protoco (UDP) interface, when re-transmission notification message that the sequence number that described expectation receives packet is carried in described transmission was to transmit leg, this method also comprised:
The recipient starts timer C;
After transmit leg received and retransmits notification message, transmit leg sent to retransmit to notify and replys to the recipient;
The recipient does not receive described re-transmission notice at described timer C and replys then, then the recipient resends the re-transmission notification message.
From such scheme as can be seen, the present invention is provided with buffer queue at transmit leg in advance, be used to store the packet after the transmission, the sequence number of the packet that a chained list and this recipient expectation receive is set the recipient, this chained list is used for the packet of the sequence number of the packet that sequence number that buffer memory sends from transmit leg receives greater than this recipient's expectation, and the expectation that this recipient sets in advance receives that the sequence number of packet is identical with the sequence number of first packet of transmit leg transmission.When the recipient does not receive the packet that this recipient expectation receives within a certain period of time, send and retransmit notification message to transmit leg, transmit leg retransmits this packet and gives the recipient, and other are than this sequence of data packet number some big packets, can from recipient's chained list, obtain, not need to retransmit by transmit leg once more.Therefore, this method has guaranteed the reliability of transmits data packets in gre tunneling, thereby has solved the problem that data packets for transmission can be lost in gre tunneling.
Description of drawings
Fig. 1 is the schematic diagram with the gre tunneling transmits data packets.
Fig. 2 guarantees the flow chart of transmits data packets in gre tunneling for the present invention.
Fig. 3 guarantees the flow chart of transmits data packets in gre tunneling then the time for timer A of the present invention.
Embodiment
In order to make the purpose, technical solutions and advantages of the present invention clearer, by the following examples and with reference to accompanying drawing, the present invention is described in more detail.
According to standard agreement RFC1701, the sequence number (SequenceNumber) of the GRE head in the packet is the field of a nybble, and this field is used for representing the order of this packet, i.e. the sequence number of this packet.
After transmit leg sent packet in order, not immediately with this data packet discarding, but the packet that sends is carried out buffer memory at transmit leg: this transmit leg was provided with a buffer queue, and this buffer queue is used for the packet that this transmit leg of buffer memory sends.The size of this buffer queue is just determined by the equipment performance of transmit leg and the demand of IP data service reliability.This buffer queue has the function of first in first out, and after promptly this buffer queue buffer memory was expired, the packet that the back enters this buffer queue can wash out the packet that enters this buffer queue the earliest.
The sequence number of supposing the packet that transmit leg sends is since 0, and is to add 1 to increase progressively.
The recipient sets in advance the sequence number that packet is received in expectation, the expectation that this recipient sets in advance receives that the sequence number of packet is identical with the sequence number of first packet of transmit leg transmission, the i.e. expectation that sets in advance of this recipient receives that the sequence number of packet is 0, and a chained list is set, be used for storage sequence number and receive the packet of the sequence number of packet greater than expectation, the packet in this chained list is arranged according to the sequence number incremental order of packet.
As shown in Figure 2, Fig. 2 guarantees the flow chart of transmits data packets in gre tunneling for the present invention, and its concrete steps are:
Step 200, recipient receive the packet that transmit leg sends by gre tunneling;
Whether step 201, recipient judge the difference of sequence number that expectation that the sequence number of this packet and this recipient are provided with receives packet greater than 0, if, change step 202 over to, otherwise, change step 203 over to;
Step 202, this packet is inserted this recipient's chained list according to the incremental order of sequence number, if be not activated timer A, start timer A, if this chained list is full, then the packet with the sequence number maximum washes out, and changes step 200 over to;
Step 203, recipient judge the sequence number of this packet and the expectation that this recipient is provided with receive whether the difference of the sequence number of packet equals 0, if, execution in step 204, otherwise, execution in step 205;
Step 204, recipient carry out normal process to this packet according to prior art, and the expectation that this recipient is provided with received that the sequence number of packet adds 1, if timer A or timer B start, then stop to carry out timer A or timer B, execution in step 206;
Step 205, recipient abandon this packet, change step 200 over to, and the recipient continues to receive packet;
Step 206, judge that whether recipient's chained list is empty, if, then changing step 200 over to, this recipient continues to receive packet; Otherwise, execution in step 207;
Whether step 207, recipient judge the difference of the sequence number of packet of the minmal sequence number in its chained list and the sequence number that packet is received in expectation that this recipient is provided with greater than 0, if, change step 208 over to, otherwise, change step 209 over to;
Step 208, recipient start timer A, wait for receiving packet, return step 200;
Step 209, recipient judge the sequence number of packet of the minmal sequence number in its chained list and the expectation that this recipient is provided with receive whether the difference of the sequence number of packet equals 0, if, execution in step 210, otherwise, execution in step 211;
Step 210, this packet taken out from this recipient's chained list carry out normal process, the expectation that this recipient is provided with is received that the sequence number of packet adds 1, changes step 206 over to according to prior art;
Step 211, this packet taken out from this recipient's chained list abandon, change step 206 over to.
Since in the described flow setting of Fig. 2 timer A, as timer A then the time, as shown in Figure 3, Fig. 3 guarantees the flow chart of transmits data packets in gre tunneling then the time for timer A of the present invention, its detailed process is:
If step 301 timer is not activated, then the recipient starts timer B, and send to retransmit notification message by signaling interface to transmit leg, this message is carried the sequence number of the packet of having received in sequence number that this recipient expects the packet that receives and this recipient's chained list;
After step 302, transmit leg receive and retransmit notification message, from the buffer queue of self, take out and have the packet that this recipient expects the sequence number of the packet that receives, resend the recipient, and resend the packet that the recipient does not receive according to the sequence number that retransmits the packet of having received in this recipient's chained list that carries in the notification message;
When the recipient sends the re-transmission notification message to transmit leg by signaling interface, can send by the TCP interface, also can send by the UDP interface.When the recipient sends the re-transmission notification message to transmit leg by the UDP interface, the recipient also needs to start timer C, timer C duration regularly less than timer B fixed duration, when not receiving the replying of the re-transmission notification message that sends from transmit leg then at timer C, the recipient will resend and retransmit notification message to transmit leg, in order to guarantee that transmit leg can receive this re-transmission notification message.When the recipient sends the re-transmission notification message to transmit leg by the TCP interface,,, the recipient retransmits replying of notification message so need not waiting at the startup timer because the bottom of Transmission Control Protocol has acknowledgement mechanism.
What do not retransmit in the buffer queue of transmit leg that notification message carries has a packet that the recipient expects to receive the sequence number of packet, and then transmit leg will not send and retransmit replying of notification message.Transmit leg can be reported to the police, and the connection of the gre tunneling that breaks discharges the operations such as buffer queue of transmit leg.
The time set of timer A, timer B and timer C can be determined according to the performance of receiver equipment, the transmission performance of gre tunneling, the reliability of IP data service, the length of recipient's chained list and the size of transmit leg formation.
Method provided by the invention can also not be provided with the chained list of packet of the sequence number of the packet that expectation that sequence number that buffer memory sends from transmit leg is provided with greater than this recipient receives the recipient, and for these packets, the recipient abandons without exception.When the packet that the expectation that is provided with as the recipient is received does not also receive within a certain period of time, the recipient sends and retransmits notification message to transmit leg, this transmission retransmits the sequence number of the packet of the expectation reception of carrying this recipient's setting in the notification message, after transmit leg receives this re-transmission notification message, resend this specified in this notification message recipient and expect the packet that receives, and again from the buffer queue of transmit leg obtain in order the packet that expectation that sequence number is provided with greater than this recipient receives sequence number packet and send.This method makes the recipient not need to be provided with the data cached bag of chained list, reduces the complexity of signaling, still, and the packet of the sequence number of the packet that the expectation that the necessary re-transmission sequence number of transmit leg is provided with greater than this recipient receives.
Above-described only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being made within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1, a kind of assurance generic routing encapsulation tunnel transmits reliable method, it is characterized in that, transmit leg sets in advance the buffer queue that is used for the packet after buffer memory sends, the recipient sets in advance the sequence number that packet is received in expectation, first sequence of data packet that the sequence number that packet is received in the expectation that this recipient sets in advance and transmit leg send is number identical, and this method also comprises:
The recipient receives packet, and judgement receives the sequence number of packet and receives with the expectation that the recipient is provided with whether the sequence number of packet is identical;
If the sequence number of packet is received in the expectation that the sequence number that the recipient receives packet is provided with greater than the recipient, then the data pack buffer that this is received if timer A does not start, then starts timer A, continues to receive packet;
When timer A then, the recipient does not still receive the packet that described expectation is received, then send carry the sequence number that described expectation receives packet the re-transmission notification message to transmit leg;
The recipient receives the packet that transmit leg sends according to described re-transmission notification message, and behind this packet of normal process, the sequence number that recipient's expectation is received packet increases a definite value, and continues to receive packet;
Receive that with the expectation that the recipient is provided with the sequence number of packet is identical if receive the sequence number of packet, the expectation that the recipient is provided with is received that the sequence number of packet increases a definite value, judge whether the recipient exists cached data packet, if there is no, then continue to receive packet;
If exist, the sequence number that the recipient receives recipient's expectation packet is compared with the sequence number of the sequence number minimal data bag of institute buffer memory:
If equate, after this cached data packet taking-up processing, recipient's expectation is received the sequence number of packet increases a definite value, continue definite recipient and whether have cached data packet; If greater than, then this cached data packet taking-up is abandoned, continue to determine whether the recipient exists cached data packet; If less than, then start timer A, and continue to receive packet.
2, the method for claim 1, it is characterized in that, described recipient send carry the sequence number that described expectation receives packet the re-transmission notification message to transmit leg after, transmit leg judges whether its buffer queue exists the packet with sequence number that described re-transmission notification message carries, if exist, then send described packet with sequence number that described re-transmission notification message carries; Otherwise transmit leg is reported to the police, and generic routing encapsulation tunnel breaks.
3, the method for claim 1 is characterized in that, if the sequence number of packet is received in the expectation that the sequence number that the recipient receives packet is provided with less than the recipient, then with this data packet discarding, and continues to receive packet.
4, method as claimed in claim 3, it is characterized in that this method further comprises: the recipient sets in advance the chained list of packet that is used for receiving by the expectation that the described sequence number that receives of the incremental order buffer memory of sequence number is provided with greater than the recipient sequence number of packet.
5, method as claimed in claim 4 is characterized in that, when the data cached bag of described chained list was expired, recipient then buffer memory sequence number abandoned the packet of sequence number maximum in the chained list than the little packet of sequence number of the packet of sequence number maximum in the chained list.
As claim 1 or 3 described methods, it is characterized in that 6, the process that the described sequence number that the recipient is expected to receive packet increases a definite value comprises: the definite value of this increase is that the size that increases progressively of the packet that sends according to transmit leg is determined.
7, the method for claim 1 is characterized in that, when re-transmission notification message that the sequence number that described expectation receives packet is carried in described transmission was to transmit leg, the recipient started timer B;
When this timer B does not receive packet then the time, then the recipient reports to the police and the connection of the generic routing encapsulation tunnel that breaks.
8, the method for claim 1, it is characterized in that, if when transmitting the interface of this message and being the User Datagram Protoco (UDP) interface, when re-transmission notification message that the sequence number that described expectation receives packet is carried in described transmission was to transmit leg, this method also comprised:
The recipient starts timer C;
After transmit leg received and retransmits notification message, transmit leg sent to retransmit to notify and replys to the recipient;
The recipient does not receive described re-transmission notice at described timer C and replys then, then the recipient resends the re-transmission notification message.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102043752A (en) * | 2010-10-06 | 2011-05-04 | 钰创科技股份有限公司 | Method and apparatus for reducing the size of retransmission buffer required for immediate transmission |
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| TWI319277B (en) * | 2005-11-03 | 2010-01-01 | Draytek Corp | Network flow/stream simulation method |
| CN101170387B (en) * | 2006-10-23 | 2011-01-05 | 中兴通讯股份有限公司 | A data resending method |
| CN102025605A (en) * | 2009-09-23 | 2011-04-20 | 中兴通讯股份有限公司 | Data transmission method and system thereof |
| CN101815106B (en) * | 2010-04-16 | 2013-03-20 | 杭州华三通信技术有限公司 | Method and equipment for establishing dynamic GRE (Generic Routing Encapsulation) tunnel |
| CN102299784B (en) | 2011-09-13 | 2015-05-27 | 华为技术有限公司 | Data transmission method and equipment |
| CN103684707B (en) * | 2013-12-20 | 2017-02-15 | 广州华多网络科技有限公司 | Server-side and user-side message transmission processing method, message transmission method and message transmission system |
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| CN107491356A (en) * | 2017-08-28 | 2017-12-19 | 广州市百果园信息技术有限公司 | Message treatment method, terminal device and server based on sequence number |
| CN109936514B (en) * | 2019-04-29 | 2022-06-21 | 新华三信息安全技术有限公司 | Message processing method and device |
| CN113572582B (en) * | 2021-07-15 | 2022-11-22 | 中国科学院计算技术研究所 | Data transmission and retransmission control method and system, storage medium and electronic device |
| CN115344405A (en) * | 2022-08-10 | 2022-11-15 | 北京有竹居网络技术有限公司 | Data processing method, network interface card, electronic equipment and storage medium |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1339749A (en) * | 2000-08-18 | 2002-03-13 | 清华大学 | Local re-transmission method of using TCP for un-reliable transmission network |
| EP1204249A1 (en) * | 2000-06-23 | 2002-05-08 | Mitsubishi Denki Kabushiki Kaisha | Method and system for packet retransmission |
| CN1364353A (en) * | 1999-08-02 | 2002-08-14 | 三星电子株式会社 | Apparatus and method for retransmitting data according to radio link protocol in mobile communication system |
| US20030009717A1 (en) * | 1998-11-30 | 2003-01-09 | Hideaki Fukushima | Data transmission method, data transmission apparatus, data receiving apparatus, and packet data structure |
| WO2003034643A1 (en) * | 2001-10-19 | 2003-04-24 | Telefonaktiebolaget L M Ericsson (Publ) | Avoiding stall conditions and sequence number ambiguity in an automatic repeat request protocol |
| CN1415146A (en) * | 2000-01-04 | 2003-04-30 | 诺基亚公司 | Data retransmission method |
-
2003
- 2003-11-14 CN CNB2003101135900A patent/CN100442755C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030009717A1 (en) * | 1998-11-30 | 2003-01-09 | Hideaki Fukushima | Data transmission method, data transmission apparatus, data receiving apparatus, and packet data structure |
| CN1364353A (en) * | 1999-08-02 | 2002-08-14 | 三星电子株式会社 | Apparatus and method for retransmitting data according to radio link protocol in mobile communication system |
| CN1415146A (en) * | 2000-01-04 | 2003-04-30 | 诺基亚公司 | Data retransmission method |
| EP1204249A1 (en) * | 2000-06-23 | 2002-05-08 | Mitsubishi Denki Kabushiki Kaisha | Method and system for packet retransmission |
| CN1339749A (en) * | 2000-08-18 | 2002-03-13 | 清华大学 | Local re-transmission method of using TCP for un-reliable transmission network |
| WO2003034643A1 (en) * | 2001-10-19 | 2003-04-24 | Telefonaktiebolaget L M Ericsson (Publ) | Avoiding stall conditions and sequence number ambiguity in an automatic repeat request protocol |
Non-Patent Citations (4)
| Title |
|---|
| ARQ协议在点到多点通信中的效率. 韩夏.电信工程技术与标准化，第4期. 1993 |
| ARQ协议在点到多点通信中的效率. 韩夏.电信工程技术与标准化，第4期. 1993 * |
| 协同设计中可靠多播通信的研究与实现. 孙林夫，胡广伟.计算机应用，第22卷第9期. 2002 |
| 协同设计中可靠多播通信的研究与实现. 孙林夫，胡广伟.计算机应用，第22卷第9期. 2002 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102043752A (en) * | 2010-10-06 | 2011-05-04 | 钰创科技股份有限公司 | Method and apparatus for reducing the size of retransmission buffer required for immediate transmission |
| CN102043752B (en) * | 2010-10-06 | 2013-02-27 | 钰创科技股份有限公司 | Method and apparatus for reducing the size of retransmission buffer required for immediate transmission |
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