CN101651610A - Methods and devices for transmitting and receiving messages in network - Google Patents
Methods and devices for transmitting and receiving messages in network Download PDFInfo
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- CN101651610A CN101651610A CN200810147389A CN200810147389A CN101651610A CN 101651610 A CN101651610 A CN 101651610A CN 200810147389 A CN200810147389 A CN 200810147389A CN 200810147389 A CN200810147389 A CN 200810147389A CN 101651610 A CN101651610 A CN 101651610A
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Abstract
The invention discloses methods and devices for transmitting and receiving messages in a network, relates to the field of communication, and aims to solve the problem of the prior network that when amessage transmitting terminal and a message receiving terminal are not in point-to-point connection, the message needing to be sent cannot be bound across devices and circuit boards. The method for transmitting the message comprises the following steps of: mapping the message into a session; dividing the session into at least two session segments; mapping the session segments to a tunnel; and transmitting the session segments by the tunnel. The method for receiving the message comprises the following steps of: collecting the session segments by the header information of the tunnel protocol; and restoring the session segments to the session. The methods and the devices can be used for transmitting and receiving the messages in the network when the message transmitting terminal and the message receiving terminal are not in point-to-point connection.
Description
Technical field
The present invention relates to the communications field, particularly a kind of in network method, device and reception method of message, the device of message transmission.
Background technology
Traditional consumer wideband tie-in line adopts the xDSL mode, is characterized in that line bandwidth is narrow, and the user distance central office is far away.Along with the appearance of new business and the expansion of customer service scale, the user needs the higher bandwidth of transmission rate, but traditional bandwidth that access way provided can not satisfy user's needs.For example: a video flowing 6M bandwidth, but the xDSL circuit is subjected to the restriction maximum of factors such as distance that the 4M bandwidth can only be provided.
In order to satisfy the needs of user to business, can on point to point network, adopt multilink point-to-point (MP) agreement, realize tie-in line binding message transmission.This method implementation procedure is as follows:
Set up multilink between transmitting terminal and the receiving terminal;
Transmitting terminal is divided into the plurality of data sheet with message;
Transmitting terminal sends to receiving terminal with data slice by multilink;
Receiving terminal is reduced into former message with the data slice that receives.
In realizing process of the present invention, the inventor finds to exist at least in the prior art following problem: because multilink point-to-point (MP) agreement is realizing on the point-to-point hierarchical link on the Ethernet, so be under the point-to-point situation about being connected only at transmitting terminal and receiving terminal, could bundle circuit, and when the connected mode of transmitting terminal and receiving terminal is not point-to-point the connection, just can't realize the binding of circuit.So can not multilink is point-to-point (MP) protocol application be on the non-point-to-point network to connected mode.
Summary of the invention
On the one hand, the embodiment of the invention provide a kind of in network the method for message transmission.
The method of embodiment of the invention message transmission in network is applicable to be non-point-to-point connection between the transmitting terminal of message and the receiving terminal, comprises in the processing of transmitting terminal:
Described message is mapped to session;
Described session is divided at least two session sheets;
Described session sheet is mapped in the tunnel;
Described session sheet is sent by the tunnel.
The embodiment of the invention also provide a kind of in network the device of message transmission.
The device of embodiment of the invention message transmission in network is applicable to non-point-to-point internetwork connection mode, and this device comprises:
The session mapping block is used for described message and is mapped to session;
The session cutting module is used for described session is divided at least two session sheets;
The tunnel distributing module is mapped to described session sheet in the tunnel;
Transport module is used for described session sheet and sends by the tunnel.
On the other hand, the embodiment of the invention provides a kind of method of message that receives in network.
The embodiment of the invention receives method of message in network, be applicable to be non-point-to-point connection between the transmitting terminal of message and the receiving terminal, comprises in the processing of receiving terminal:
Collect the session sheet by the tunnel protocol header information;
Described session sheet is reduced into session.
The embodiment of the invention also provides a kind of device that receives message in network.
The embodiment of the invention receives the device of message in network, be applicable to non-point-to-point internetwork connection mode, and this device comprises:
Data collection module is used for collecting the session sheet by the tunnel protocol header information;
Data restoring module is used for described session sheet is reduced into former session.
The embodiment of the invention has following advantage:
The embodiment of the invention is by set up the tunnel between user side and network terminal, realized the point-to-point connection of simulation, overcome that the connected mode at transmitting terminal and receiving terminal is not under the point-to-point situation about being connected in the prior art, the problem that can not bundle realizes striding the binding of wiring board or equipment.Under the situation that ensures the basic circuit quality, increased transmission line bandwidth, prolong transfer of data distance, improved the reliability of transmission.
Description of drawings
Fig. 1 is the flow chart of the method for message transmission in the non-point-to-point network for embodiments of the invention in connected mode;
Fig. 2 is the flow chart that receives method of message in the non-point-to-point network for embodiments of the invention in connected mode;
Fig. 3 is application scenarios 1 on the non-point-to-point network for the embodiment of the invention in connected mode;
Fig. 4 is application scenarios 2 on the non-point-to-point network for the embodiment of the invention in connected mode;
Fig. 5 is application scenarios 3 on the non-point-to-point network for the embodiment of the invention in connected mode;
Fig. 6 is application scenarios 4 on the non-point-to-point network for the embodiment of the invention in connected mode;
Fig. 7 is application scenarios 5 on the non-point-to-point network for the embodiment of the invention in connected mode;
Fig. 8 is application scenarios 6 on the non-point-to-point network for the embodiment of the invention in connected mode;
Fig. 9 is the flow chart that in the method for message transmission in the non-point-to-point network described message is mapped to session for one embodiment of the present of invention in connected mode;
Figure 10 is to receive in the method for message flow chart that described session sheet is mapped in the tunnel in the non-point-to-point network for one embodiment of the present of invention in connected mode;
Figure 11 for one embodiment of the present of invention connected mode be in the method for message transmission in the non-point-to-point network according to the state of each place, tunnel circuit, be the flow chart that the session sheet distributes the tunnel;
Figure 12 is the flow chart that in the method for message transmission in the non-point-to-point network described session sheet is encapsulated for one embodiment of the present of invention in connected mode;
Figure 13 is the flow chart that session sheet head adds the tunnel protocol header in the method for message transmission in the non-point-to-point network for one embodiment of the present of invention in connected mode;
Figure 14 is to receive the flow chart of collecting the session sheet in the method for message by the tunnel protocol header information in the non-point-to-point network for one embodiment of the present of invention in connected mode;
Figure 15 is to receive the flow chart that in the method for message described session sheet is reduced into session in the non-point-to-point network for one embodiment of the present of invention in connected mode;
Figure 16 is the apparatus structure schematic diagram of message transmission in the non-point-to-point network for one embodiment of the present of invention in connected mode;
Figure 17 is the apparatus structure schematic diagram that receives message in the non-point-to-point network for one embodiment of the present of invention in connected mode.
Embodiment
In order to solve in connected mode is to realize striding the problem that wiring board or equipment bundle subscriber's line in the non-point-to-point network, and the embodiment of the invention provides a kind of and is the transmission of enterprising line road binding in the non-point-to-point network and receives method of message in connected mode.
As shown in Figure 1, a kind of in network the method for message transmission, be applicable between the transmitting terminal of message and the receiving terminal to be non-point-to-point connection, comprise in the processing of transmitting terminal:
101, described message is mapped to session;
102, described session is divided at least two session sheets;
103, described session sheet is mapped in the tunnel;
104, described session sheet is sent by the tunnel.
As shown in Figure 2, a kind of method of message that receives in network is applicable to be non-point-to-point connection between the transmitting terminal of message and the receiving terminal, comprises in the processing of receiving terminal:
201, collect the session sheet by the tunnel protocol header information;
202, described session sheet is reduced into session.
By between user side bonding module and network side bonding module, setting up the tunnel, realize the point-to-point connection of simulation, for message transmissions provides a designated lane, realize the ethernet link layer conversation line bundle of striding equipment or wiring board, having solved connected mode is the problem that can not bundle in the non-point-to-point network, and then to have reached in connected mode be in the non-point-to-point network, ensure under the situation of basic circuit quality, increased transmission line bandwidth, prolong transfer of data distance, improved the reliability of transmission.Because employing is expanded use to existing tunneling technique, do not need to develop new agreement and technology simultaneously.
The technical scheme that embodiment provided for a better understanding of the present invention, below be that application scenarios on the non-point-to-point network is introduced to the embodiment of the invention in connected mode earlier:
In the embodiment of the invention, comprise a network side bonding module and a user side bonding module at least.The network side bonding module can be positioned on the agent equipment of control protocol of IP fringe node or two layers.In the system one or more network side bonding module can be arranged, for example a concentrated network side bonding module or a plurality of network side bonding module that is distributed in access node.The user side bonding module is positioned at the circuit of binding near on the convergence device of user side, for example on user preposition equipment/remote gateway.Two intermodules transmit user data by the tunnel.
Between user side and the network side by non-point-to-point connection.Network side is equipped with network edge device, aggregation node and access node, and user side is equipped with user preposition equipment/remote gateway.Between user preposition equipment/remote gateway and network edge device, be equipped with at least two paths.
The situation that the circuit of user preposition equipment/remote gateway is connected with network edge device comprises following 4 kinds:
As shown in Figure 3, user preposition equipment/remote gateway is linked into respectively on two the port Port 1 and Port 2 of access node by two up going ports.The user passes through the Port 1 of access node and the network edge device that Port 2 arrives transfer of data network side.
As shown in Figure 4, two up going ports of user preposition equipment/remote gateway after by access node are linked into respectively on two different access nodes.These two access node corresponding physical ports are respectively on the Port 2 of the Port 1 of access node 1 and access node 2.The user is by the Port 1 of access node 1 and the Port2 and the network edge device that transfer of data is arrived network side of access node 2.
As shown in Figure 5, user preposition equipment/remote gateway links to each other with two physical ports of aggregation node respectively with Port 2 by two up going port Port 1 behind the access node.The user arrives transfer of data by two physical ports of aggregation node the network edge device of network side.
As shown in Figure 6, user preposition equipment/remote gateway at first is linked into respectively on two different access nodes by two up going ports, and these two access node corresponding physical ports are respectively on the Port 6 of the Port 5 of access node 1 and access node 2.Described then up going port links to each other by two different aggregation nodes respectively.Wherein by behind two access nodes, physical port Port 5 data flow transmitted can be transferred to the network edge device of network side by two up going port Port 1 and Port 2 respectively with two physical ports of aggregation node 1, physical port Port 6 data flow transmitted can be transferred to the network edge device of network side by two up going port Port 3 and Port 4 respectively with two physical ports of aggregation node 2.
The embodiment of the invention also may be used on optical-fiber network.The optical-fiber network side has optical line terminal/converge node/fringe node; User side is equipped with Optical Network Terminal.Be equipped with at least two paths between node/fringe node and the Optical Network Terminal converging.
Situation by the circuit link between aggregation node/fringe node and the Optical Network Terminal comprises following 2 kinds of situations:
As shown in Figure 7, optical line terminal respectively by the Port 1 of optical splitter 1 and the Port 2 of optical splitter 2, transfers data to the node/fringe node that converges of network side by two up going ports by an Optical Network Terminal.
As shown in Figure 8, the user is linked into two different Optical Network Terminal by the Port 1 of optical splitter 1 and the Port2 of optical splitter 2 respectively by two up going ports, transfers data to the node/fringe node that converges of network side then by different Optical Network Terminal.
More than introduced the application scenarios of the embodiment of the invention, below the embodiment of the invention has been described in detail.
At first to being that the method for message transmission in the non-point-to-point network describes in detail in connected mode in the embodiment of the invention.
101, described message is mapped to session, comprises:
As shown in Figure 9,901, the session mapping ruler is set
Remote gateway/user preposition equipment is according to the mapping ruler of user's configuration settings session.Mapping ruler can be selected source IP address, purpose IP address, and MAC (hardware address), protocol type, at least two information in the information such as TCP/UDP (transmission control protocol/User Datagram Protoco (UDP)) port are set.For example: adopt source IP, purpose IP, protocol type is provided with mapping ruler to session.Source IP address is IPX1 so, and purpose IP address is IP_A, and protocol type is that the message of IPv4 can be mapped to a session; Source IP address is IPX2, and purpose IP address is IP_B; Protocol type is that the message of IPv4 can be mapped to another session.
By message to be sent is mapped to different sessions, realization gathers the message of same user's inhomogeneity business the function of transmission.
902, receive also buffer memory message
User preposition equipment/remote gateway receives the upstream data from subscriber's main station, and to the upstream data buffer memory, described upstream data can be 2 layer data, also can be 3 layer data.
User preposition equipment/remote gateway is received respectively from host ip X1 in this example, is sent to the data of IP_A and the data that host ip X2 is sent to IP_B.User preposition equipment/remote gateway carries out buffer memory to described data.
903, according to mapping ruler and heading information described message is mapped to different sessions
Data cached header according to receiving can be mapped to two class sessions, and promptly destination address is respectively the session of IP_A and IP_B.
102, described session is divided at least two session sheets
With the MTU is unit, and described session is cut at least two session sheets;
103, described session sheet is mapped in the tunnel
As shown in figure 10,1001, according to the state of each place, tunnel circuit, be that the session sheet distributes the tunnel
As shown in figure 11,1101, obtain tunnel line state information and state parameter information
User preposition equipment/remote gateway obtains the tunnel line state information and comprises: port is up/and downstream state; Minimum up/downstream rate; Maximum up/downstream rate; Maximum downstream interweaves and postpones etc.;
User preposition equipment/remote gateway obtains the tunnel line state parameter and comprises: actual uplink/downstream rate value; Actual uplink/descending the length of delay that interweaves; On having taken/the row rate value; On available/the row rate value; Information such as the allocated bandwidth rate value of static configuration.
1102, described session sheet is assigned at least two tunnel transmission
By setting up the tunnel in user side bonding module and network side bonding module, having solved subscriber equipment is when transmitting data in the non-point-to-point network by connected mode, and can not realize point-to-point connectivity problem, realize point-to-point connection of simulation between user side bonding module and network side bonding module, set up a dedicated transmission channel for transmitting described session sheet, make described session sheet high speed, transmission exactly in passage.
Respectively the session of described destination address IP_A, IP_B is cut at least two session sheets respectively in the present embodiment.The session sheet that is sent to purpose IP_A is sent to the GRE2 tunnel; The session sheet that is sent to purpose IP_B is sent to GRE1 and two tunnels of GRE2.
1002, described session sheet is encapsulated
After the session sheet sends to the tunnel, encapsulate the session sheet.This encapsulation comprises two-layer, is respectively encapsulation of tunnel protocol header and the encapsulation of IP head.Respectively it is introduced below:
As shown in figure 12,1201, add the tunnel protocol header at session sheet head
(Generic Routing Encapsulation, GRE) encapsulation of data is an example with the generic routing encapsulation tunnel agreement.
Can add the generic routing encapsulation tunnel protocol header at IP session sheet head as following table:
| The generic routing encapsulation tunnel protocol header | IP session sheet |
Also can after adding 2 layer data heads earlier, add on IP session sheet head the generic routing encapsulation tunnel protocol header again as following table:
| The generic routing encapsulation tunnel protocol header | 2 layer data heads | IP session sheet |
The form of described generic routing encapsulation tunnel protocol header such as following table:
C, R, S, s, Recur, Flags, Ver, Protocol Type are set to prior art, repeat no more.Introduce the setting of K value below:
K (bit 2): whether expression Key value exists, and 1 is the key existence, and 0 does not exist for key.
Key is the unique identification of session.The session of transmitting in the tunnel comprises some session sheets, and each session sheet of same session has identical Key.
Adding the tunnel protocol header at session sheet head comprises:
Be described session sheet allocation identification as shown in figure 13,1301,
In this example, for destination address be the session allocation identification of IP_A be Key1, for destination address be that the session allocation identification of IP_B is Key2.
Be session sheet allocation identification, solved described session sheet and at least two tunnels, transmitted and whether to discern that realize a session in a plurality of tunnel transmission, different sessions can be transmitted in same tunnel from the problem of same session with a class session.
1302, be that each session sheet distributes series number
In this example, the session sheet that is designated Key1 only is assigned to tunnel GRE2 and goes up transmission, and the series number continuous dispensing gets final product.Need be assigned to and transmit on two tunnels and be designated Key2,, therefore need close the function of network side bonding module series number continuity check so the series number of distributing on each tunnel is discontinuous.
1202, add the IP head in described tunnel protocol header front
If the several series number continuous session sheet of same session transmits, can be encapsulated into an IP head to described session sheet in same tunnel.
Having like-identified and having the data block of continuous series number to be encapsulated in the IP head.Reduce the quantity of session sheet described in the tunnel transmission, thereby reduced the quantity of the receiving terminal classification and the described session sheet that sorts, improved the efficient that the session sheet is reverted to message.
If certain session sheet is after the encapsulation of IP head, message length then to this session sheet section, will exceed part and cut from doing cutting plate greater than MTU.Cutting plate carries the IP head identical with the session sheet, and it is 0 that IP DF position is set, and according to the order of burst more position and sheet bits of offset is set.
103, described session sheet is sent by the tunnel
User preposition equipment/remote gateway transmits the opposite end of user data to the tunnel by GRE1 and two uplink tunnels of GRE2 in this example.
The session sheet is transmitted at least two tunnels, increased the number of, lines of transmitting described session sheet, thereby increased the bandwidth of the circuit that transmits described session sheet, prolonged the transmission range of described session sheet.
Below in connected mode be in the non-point-to-point network enterprising line road when binding receive method of message and describe in detail.
201, collecting the session sheet by the tunnel protocol header information comprises:
Receive and buffer memory session sheet as shown in figure 14,1401,
Receive from host ip X1 from GRE1 and GRE2 tunnel in this example, be sent to the data of IP_A and the data that host ip X2 is sent to IP_B, and data cached.
1402, according to the sign of tunnel protocol header the session sheet is pressed affiliated session classification
The network side bonding module is pressed affiliated session classification according to the sign of tunnel protocol header with the session sheet.The network side bonding module is according to the Key value of GRE header in this example, and it is that IP_A session and destination address are the IP_B session that the session sheet is divided into destination address.
202, described session sheet being reduced into session comprises:
As shown in figure 15,1501, the session sheet with same session sorts according to series number
According to series number described IP_A session sheet and IP_B session sheet are sorted in this example.If find that certain carries the session sheet of series number and loses in the sequencer procedure in transmission course, IP Edge can resend this session sheet by any one downlink tunnel request user side.
To in encapsulation process, being used as the session sheet of cutting plate,, identical series number is arranged so in ordering, have two session sheets because carry the IP head identical with the session sheet.Wherein to be set to 0 session sheet be cutting plate in the DF position in the IP head, by offset field and more position two session sheets merged into a session sheet.
1502, remove the tunnel protocol header, obtain former session
Remove the generic routing encapsulation tunnel protocol header of described session sheet in this example, obtain host ip X1 respectively and be sent to the data of IP_A and the data that host ip X2 is sent to IP_B
It is transmission in the non-point-to-point network and the device that receives message in connected mode that the embodiment of the invention also provides a kind of.
As shown in figure 16, a kind of in network the device of message transmission, be applicable to non-point-to-point internetwork connection mode, this device comprises:
As shown in figure 17, a kind of device that receives message in network is applicable to non-point-to-point internetwork connection mode, and this device comprises:
Below to being that the device of the message transmission of enterprising line road binding in the non-point-to-point network describes in detail in connected mode:
Rule is provided with unit 1605, is used to be provided with the session mapping ruler;
Data buffer storage unit 1606 is used for receiving and the buffer memory message;
A kind of is that the device of the message transmission of enterprising line road binding in the non-point-to-point network also comprises in connected mode:
Described tunnel encapsulation unit 1609 comprises:
Sign is distributed subelement 1611, is used to described session sheet allocation identification;
Series number is distributed subelement 1612, is used to each session sheet to distribute series number.
Below to being that the device of the reception message of enterprising line road binding in the non-point-to-point network describes in detail in connected mode:
Described data collection module 1701 comprises:
Data buffer storage unit 1703 is used for receiving and buffer memory session sheet;
Described data restoring module 1702 comprises:
Series number recomposition unit 1705 is used for the session sheet of same session is sorted according to series number;
Data are removed encapsulation unit 1706, are used to remove the tunnel protocol header, obtain former session.
The above; only be the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion by described protection range with claim.
Claims (18)
1, a kind of in network the method for message transmission, it is characterized in that, be non-point-to-point connection between the transmitting terminal of message and the receiving terminal in described network, comprise in the processing of transmitting terminal:
Message is mapped to session;
Described session is divided at least two session sheets;
Described session sheet is mapped in the tunnel;
Described session sheet is sent by the tunnel.
2, according to claim 1 a kind of in network the method for message transmission, it is characterized in that the step that described message is mapped to session comprises:
The session mapping ruler is set;
Receive and the buffer memory message;
According to described session mapping ruler and heading information described message is mapped to different sessions.
3, according to claim 1 a kind of in network the method for message transmission, it is characterized in that the step that described session sheet is mapped in the tunnel comprises:
According to the state information and the state information parameter of each place, tunnel circuit, for described session sheet distributes the tunnel;
Described session sheet is encapsulated.
4, according to claim 3 a kind of in network the method for message transmission, it is characterized in that the state of described circuit comprises:
On the port/following state; Minimum up/downstream rate; Maximum up/downstream rate; Maximum downstream interweaves and postpones etc.;
Actual uplink/downstream rate value; Actual uplink/descending the length of delay that interweaves; On having taken/the downstream rate value; On available/the downstream rate value; Information such as the allocated bandwidth rate value of static configuration.
5, according to claim 3 a kind of in network the method for message transmission, it is characterized in that the step that described session sheet is encapsulated comprises:
Head at described session sheet adds the tunnel protocol header;
Add the IP head in described tunnel protocol header front.
6, according to claim 5 a kind of in network the method for message transmission, it is characterized in that, add the tunnel protocol header at session sheet head and comprise:
Be described session sheet allocation identification;
For each session sheet distributes series number.
7, according to claim 1 a kind of in network the method for message transmission, it is characterized in that, described session sheet sent by the tunnel comprise:
Described session sheet is sent by at least two tunnels.
8, a kind of method of message that receives in network is characterized in that, is non-point-to-point connection between the transmitting terminal of message and the receiving terminal in described network, comprises in the processing of receiving terminal:
Collect the session sheet by the tunnel protocol header information;
Described session sheet is reduced into session.
9, a kind of method of message that receives in network according to claim 8 is characterized in that, the step of collecting the session sheet by the tunnel protocol header information comprises:
Receive and buffer memory session sheet;
Sign according to the tunnel protocol header is pressed affiliated session classification with the session sheet.
10, a kind of method of message that receives in network according to claim 8 is characterized in that the step that described session sheet is reduced into session comprises:
The session sheet of same session is sorted according to series number;
Remove the tunnel protocol header, obtain former session.
11, a kind of in network the device of message transmission, it is characterized in that described device is used for non-point-to-point internetwork connection mode, this device comprises:
The session mapping block is used for described message is mapped to session;
The session cutting module is used for described session is divided at least two session sheets;
The tunnel distributing module is mapped to described session sheet in the tunnel;
Transport module is used for described session sheet and sends by the tunnel.
12, as claimed in claim 11 a kind of in network message transmission device, it is characterized in that, also comprise:
The data encapsulation module is used for the described session sheet after the processing of session mapping block is encapsulated.
13, as claimed in claim 11 a kind of in network message transmission device, it is characterized in that described session mapping block comprises:
Rule is provided with the unit, is used to be provided with the session mapping ruler;
Data buffer storage unit is used for receiving and the buffer memory message;
Map unit is mapped to different sessions according to mapping ruler and heading information with described message.
14, as claimed in claim 12 a kind of in network message transmission device, it is characterized in that described data encapsulation module comprises:
The tunnel encapsulation unit is used for adding the tunnel protocol header at session sheet head;
IP encapsulation unit adds the IP head in described tunnel protocol header front.
15, as claimed in claim 14 a kind of in network message transmission device, it is characterized in that the tunnel encapsulation unit comprises
Sign is distributed subelement, is used to described session sheet allocation identification;
Series number is distributed subelement, is used to each session sheet to distribute series number.
16, a kind of device that receives message in network is characterized in that described device is used for non-point-to-point internetwork connection mode, and this device comprises:
Data collection module is used for collecting the session sheet by the tunnel protocol header information;
Data restoring module is used for described session sheet is reduced into former session.
17, a kind of device that receives message in network as claimed in claim 16 is characterized in that data collection module comprises:
Data buffer storage unit is used for receiving and buffer memory session sheet;
The data qualification unit, be used for sign according to the tunnel protocol header with the session sheet by affiliated session classification.
18, a kind of device that receives message in network as claimed in claim 16 is characterized in that data restoring module comprises:
The series number recomposition unit, be used for same session the session sheet sort according to series number;
Data are removed encapsulation unit, are used to remove the tunnel protocol header, obtain former session.
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| CN105610672A (en) * | 2016-01-14 | 2016-05-25 | 中国联合网络通信集团有限公司 | Information transmission method and device |
| CN113726635A (en) * | 2021-08-30 | 2021-11-30 | 新华三大数据技术有限公司 | Message processing method and device and electronic equipment |
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| CN101018206A (en) * | 2007-02-14 | 2007-08-15 | 华为技术有限公司 | Packet message processing method and device |
| CN101075937A (en) * | 2007-07-20 | 2007-11-21 | 华为技术有限公司 | Method, system and apparatus for converting message in three-layer virtual special network |
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| CN105610672A (en) * | 2016-01-14 | 2016-05-25 | 中国联合网络通信集团有限公司 | Information transmission method and device |
| CN105610672B (en) * | 2016-01-14 | 2019-04-26 | 中国联合网络通信集团有限公司 | A kind of method and device of information transmission |
| CN113726635A (en) * | 2021-08-30 | 2021-11-30 | 新华三大数据技术有限公司 | Message processing method and device and electronic equipment |
| CN113726635B (en) * | 2021-08-30 | 2023-05-26 | 新华三大数据技术有限公司 | Message processing method and device and electronic equipment |
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