CN105634937A - Processing method and device of message - Google Patents
Processing method and device of message Download PDFInfo
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- CN105634937A CN105634937A CN201511029103.1A CN201511029103A CN105634937A CN 105634937 A CN105634937 A CN 105634937A CN 201511029103 A CN201511029103 A CN 201511029103A CN 105634937 A CN105634937 A CN 105634937A
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- test packet
- twamp test
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/28—Routing or path finding of packets in data switching networks using route fault recovery
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
Abstract
One embodiment of the invention discloses a processing method and device of a message. The method comprises steps that a reflection end device receives a bidirectional active measuring protocol TWAMP test message sent by a sending end device and modifies a value of a Z bit in the returned TWAMP test message or a value of a newly added sending end/reflection end S/R bit in the TWAMP test message so as to differentiate whether the returned TWAMP test message is a reflection message. Thus, a risk that the returned TWAMP test message is reflected and formed into a ring between a mis-configured reflection end device and a normally-configured reflection end device is avoided and network storms are avoided.
Description
Technical field
The invention relates to communication technical field, particularly relate to a kind of message processing method and device.
Background technology
It is two-way that actively to measure agreement (English: Two-wayActiveMeasurementProtocol, TWAMP) round Internet protocol (English: the InternetProtocol between any two equipment supporting this standard in a kind of Measurement Network is provided, IP) method of performance, use UDP (English: UserDatagramProtocol, UDP) packet visits frame, the two-way packet loss of statistics network, time delay and shake as measuring. TWAMP follows IETFRFC5357 standard, after user starts statistics session, the TWAMP test packet constructed from session transmitting terminal and send, through business forwarding channel, arrive at session reflection end, session reflection end is based on source IP address, purpose IP address, source port number, destination slogan match cognization is the TWAMP test packet of specified session, then source IP address is exchanged, purpose IP address, source port number, destination slogan, add corresponding protocol contents, message life span TTL is reset to 255, again amended TWAMP test packet is passed back to session transmitting terminal. as shown in Figure 1, for the round IP performance between test node A and node C, node A is as session transmitting terminal, node C is the session reflection end of normal configuration, during normal operation, constructed and initiate TWAMP test packet by node A, through node C match cognization, reflect this TWAMP test packet of loopback. in some cases, maloperation due to user, the source IP address of node B, purpose IP address, source port number, destination slogan possible configuration mistake, cause that node B is mismatched and be set to reflection end, the message arrival node B, node B that are reflected loopback by node C reflect message, when loopback message, according to IETFRFC5357 standard-required, TTL can be reset to 255 again. test packet reflects cyclization between node B and node C, causes network storm.
Summary of the invention
This application provides a kind of TWAMP test packet processing method and device. Cyclization is reflected between the network devices, the problem causing network storm for reducing business datum.
First aspect, it is provided that the processing method of a kind of TWAMP message, the method includes:
Reflection end equipment receives TWAMP test packet;
Reflection end equipment determines that described TWAMP test packet is not reflection message, then to this TWAMP test packet of sending ending equipment loopback, the TWAMP test packet of this loopback includes indicating the TWAMP test packet of described loopback to be the mark reflecting message.
Described method also includes: described reflection end equipment is determined when described TWAMP test packet is reflection message, abandons described reflection message.
Pass through such scheme, reflection end equipment determines that the TWAMP test packet received is not reflection message, and the TWAMP test packet increasing described loopback in the TWAMP message of loopback is the mark of reflection message, achieve when reflection end equipment is after TWAMP test packet described in loopback, if certain equipment is set to reflection end owing to the reasons such as artificial maloperation mismatch in the forwarding channel of loopback message, can by above-mentioned mark, distinguish whether the TWAMP test packet received is reflection message, it is thus possible to avoid TWAMP test packet at the reflection end equipment of correct configuration and to mismatch formation message loop between the reflection end equipment put timely and effectively, prevent business datum from repeatedly forwarding duplication in a network, cause network storm, improve the reliability of network.
Optionally, described determine described TWAMP test packet be not reflection message, comprise determining that the Z bit in described TWAMP test packet is 0, it is determined that described TWAMP be not reflection message.
Optionally, it is designated described in: value is the Z bit of 1.
Z bit is the entrained field of TWAMP test packet self, it it is the reserved bit in error evaluation, IETFRFC5357 standard defines, when sending ending equipment sends TWAMP test packet, Z bit is necessarily arranged to 0, when reflection end equipment receives described TWAMP test packet, Z bit is not verified, without the value changing Z bit in the TWAM test packet of loopback. By the scheme of the application, when reflection end equipment receives described TWAMP test packet, the value of Z bit is verified, when Z bit is 0, it is determined that described message is not reflection message, then this TWAMP test packet of loopback; When Z bit is 1, it is determined that described TWAMP test packet is reflection message, then abandon this TWAMP test packet. It is thus possible to avoid TWAMP test packet at the reflection end equipment of correct configuration and to mismatch formation message loop between the reflection end equipment put timely and effectively, it is prevented that business datum forwards duplication in a network repeatedly, causes network storm, improves the reliability of network.
Optionally, it is also possible to be 1 represent that the TWAMP test packet carrying this Z bit is not past reflection by Z bit value, it is 0 represent that the TWAMP test packet carrying this Z bit have passed through the reflection of reflection end equipment by Z bit value.
Alternatively, Z bit can also have multidigit, represents that by other value whether the TWAMP test packet carrying this Z bit is through reflection.
Optionally, described determine described TWAMP test packet be not reflection message, including: described reflection end equipment determines that the transmitting terminal in described TWAMP test packet/reflection end S/R bit is 0, it is determined that described TWAMP test packet be not reflection message.
Optionally, it is designated described in: value is the S/R bit of 1
Sending ending equipment, when generating TWAMP test packet, increases a transmitting terminal/reflection end S/R bit in TWAMP test packet. By the scheme of the application, when reflection end equipment receives described TWAMP test packet, the value of S/R bit is verified, when S/R bit is 0, it is determined that described message is not reflection message, then this TWAMP test packet of loopback; When S/R bit is 1, it is determined that described TWAMP test packet is reflection message, then abandon this TWAMP test packet. It is thus possible to avoid TWAMP test packet at the reflection end equipment of correct configuration and to mismatch formation message loop between the reflection end equipment put timely and effectively, it is prevented that business datum forwards duplication in a network repeatedly, causes network storm, improves the reliability of network.
Optionally, it is also possible to be 1 represent that the TWAMP test packet carrying this S/R bit is not past reflection with S/R bit value, it is 0 represent that the TWAMP test packet carrying this S/R bit have passed through the reflection of reflection end equipment with S/R bit value.
Alternatively, S/R bit can also have multidigit, represents that by other value whether the TWAMP test packet carrying this S/R bit is through reflection.
Second aspect, this application provides a kind of TWAMP message processing method, and the method includes: sending ending equipment sends TWAMP test packet to reflection end equipment;
Sending ending equipment receives the TWAMP test packet of described reflection end equipment loopback, and the TWAMP test packet of this loopback includes indicating the TWAMP test packet of described loopback to be the mark reflecting message.
Optionally, the value of the Z bit in the described TWAMP test packet that described sending ending equipment sends is 0, represents that described TWAMP test packet is not reflection message.
Optionally, being designated in the TWAMP test packet of described loopback: value is the Z bit of 1.
Optionally, the value of the Z bit in the described TWAMP test packet that described sending ending equipment sends is 1, represents that described TWAMP test packet is not reflection message.
Optionally, being designated in the TWAMP test packet of described loopback: value is the Z bit of 0.
Alternatively, Z bit can also have multidigit, represents that by other value whether the TWAMP test packet carrying this Z bit is through reflection.
Optionally, the value of the S/R bit in the described TWAMP test packet that described sending ending equipment sends is 0, represents that described TWAMP test packet is not reflection message.
Optionally, being designated in the TWAMP test packet of described loopback: value is the S/R bit of 1.
Optionally, the value of the S/R bit in the described TWAMP test packet that described sending ending equipment sends is 1, represents that described TWAMP test packet is not reflection message.
Optionally, being designated in the TWAMP test packet of described loopback: value is the S/R bit of 0.
Alternatively, described S/R bit can also have multidigit, represents that by other value whether the TWAMP test packet carrying this S/R bit is through reflection.
The technical scheme of second aspect and the technical scheme of first aspect have identical technique effect.
The third aspect, it is provided that a kind of message process device, the method being used for first aspect. Described device is positioned at reflection end equipment side, and described device includes: receive unit, processing unit and transmitting element; Wherein,
Described reception unit, is used for receiving TWAMP test packet;
Described processing unit, is used for: determines that described TWAMP test packet is not reflection message, then generates the TWAMP test packet of loopback, and the TWAMP test packet of described loopback includes indicating the TWAMP test packet of described loopback to be the mark reflecting message;
Described transmitting element, for sending the TWAMP test packet of described loopback.
Described processing unit, is additionally operable to determine when described TWAMP test packet is reflection message, abandons described TWAMP test packet.
Optionally, described processing unit, is 0 for the Z bit determined in described TWAMP test packet, it is determined that described TWAMP is not reflection message.
Optionally, being designated in the TWAMP test packet of described loopback: value is the Z bit of 1.
Optionally, described processing unit, is 1 for the Z bit determined in described TWAMP test packet, it is determined that described TWAMP is not reflection message.
Optionally, being designated in the TWAMP test packet of described loopback: value is the Z bit of 0.
Alternatively, Z bit can also have multidigit, and described processing unit, for determining that by other value whether the TWAMP test packet carrying this Z bit is through reflection.
Optionally, described processing unit, is 0 for the S/R bit determined in described TWAMP test packet, it is determined that described TWAMP is not reflection message.
Optionally, being designated in the TWAMP test packet of described loopback: value is the S/R bit of 1.
Optionally, described processing unit, is 1 for the S/R bit determined in described TWAMP test packet, it is determined that described TWAMP is not reflection message.
Optionally, being designated in the TWAMP test packet of described loopback: value is the S/R bit of 0.
Alternatively, S/R bit can also have multidigit, and described processing unit, for determining that by other value whether the TWAMP test packet carrying this S/R bit is through reflection.
The technical scheme of the technical scheme of the third aspect and first aspect and second aspect has identical technique effect.
Fourth aspect, it is provided that a kind of message process device, the method being used for second aspect. Described device is positioned at sending ending equipment side, including: processing unit, transmitting element and reception unit; Wherein,
Described processing unit, is used for generating TWAMP test packet;
Described transmitting element, is used for sending described TWAMP test packet;
Described reception unit, for receiving the TWAMP test packet of reflection end equipment loopback, the TWAMP test packet of described loopback includes indicating the TWAMP test packet of described loopback to be the mark reflecting message.
Optionally, described processing unit, for the Z bit in the TWAMP test packet of described transmission is set to 0, represent that described TWAMP test packet is not reflection message.
Optionally, being designated in the TWAMP test packet of described loopback: value is the Z bit of 1.
Optionally, described processing unit, for being 1 by the value of the Z bit in the TWAMP test packet of described transmission, represent that described TWAMP test packet is not reflection message.
Optionally, being designated in the TWAMP test packet of described loopback: value is the Z bit of 0.
Alternatively, Z bit can also have multidigit, represents that by other value whether the TWAMP test packet carrying this Z bit is through reflection.
Optionally, described processing unit, for being 0 by the value of the S/R bit in the TWAMP test packet of described transmission, represent that described TWAMP test packet is not reflection message.
Optionally, being designated in the TWAMP test packet of described loopback: value is the S/R bit of 1.
Optionally, described processing unit, for being 1 by the value of the S/R bit in the TWAMP test packet of described transmission, represent that described TWAMP test packet is not reflection message.
Optionally, being designated in the TWAMP test packet of described loopback: value is the S/R bit of 0.
Alternatively, S/R bit can also have multidigit, represents that by other value whether the TWAMP test packet carrying this S/R bit is through reflection.
The technical scheme of fourth aspect has the technical scheme of the first to the third aspect and has identical technique effect.
5th aspect, it is provided that a kind of communication system, including sending ending equipment and reflection end equipment, it is characterised in that: described reflection end equipment includes the device described in the third aspect, and described sending ending equipment includes the device described in fourth aspect. This system has been used for the method described in first aspect and the method described in second aspect.
6th aspect, this application provides a kind of sending ending equipment, and including memorizer and processor, wherein, described memorizer is used for storing program instruction code, and described processor, for performing the instruction code in memorizer, completes the method described in first aspect. Described sending ending equipment includes the device described in the third aspect.
7th aspect, this application provides a kind of reflection end equipment, and including memorizer and processor, wherein, described memorizer is used for storing program instruction code, and described processor, for performing the instruction code in memorizer, completes the method described in second aspect. Described reflection end equipment includes the device described in fourth aspect.
Eighth aspect, this application provides a kind of computer-readable recording medium, and for being stored as the computer software instructions performed used by above-mentioned first aspect and second aspect function, it comprises for performing the program designed by first aspect and second aspect method.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of the embodiment of the present application, the accompanying drawing used required in embodiment will be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the application, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is TWAMP message reflection cyclization schematic diagram in prior art
A kind of application scenarios schematic diagram involved by message processing method that Fig. 2 provides for the application;
The schematic flow sheet of a kind of message processing method that Fig. 3 provides for one embodiment of the application;
Fig. 4 is the form schematic diagram of a kind of possible TWAMP test packet that sending ending equipment sends in one embodiment of the application;
The schematic flow sheet of a kind of message processing method that Fig. 5 provides for another embodiment of the application;
Fig. 6 is the form schematic diagram of a kind of possible TWAMP test packet that sending ending equipment sends in another embodiment of the application;
The executive agent schematic diagram of a kind of message processing method that Fig. 7 A provides for the embodiment of the present application;
Another executive agent schematic diagram of a kind of message processing method that Fig. 7 B provides for the embodiment of the present application;
The schematic diagram of a kind of message process device that Fig. 8 A provides for the embodiment of the present application;
The schematic diagram of the another kind of message process device that Fig. 8 B provides for the embodiment of the present application.
Detailed description of the invention
The application scenarios that the embodiment of the present application describes is for the technical scheme of explanation the embodiment of the present application clearly, it is not intended that the restriction of the technical scheme that the embodiment of the present application is provided, skilled person will appreciate that, appearance along with the differentiation of the network architecture and new business scene, the technical scheme that the embodiment of the present application provides is for similar technical problem, equally applicable.
Sending ending equipment involved by the application can be router or Packet Transport Network equipment or switch, and reflection end equipment involved by the application can be router or Packet Transport Network equipment or switch.
Embodiment 1
The Fig. 2 a kind of application scenarios schematic diagram involved by a kind of message processing method of one embodiment offer of the application, as shown in Figure 2, device A is TWAMP test packet sending ending equipment, equipment C is TWAMP test packet reflection end equipment, having one or more intermediate equipment between device A and equipment C, ratio is if any an intermediate equipment B. Wherein, in device A, the purpose IP address of configuration is 1.1.1.1, and source IP address is 2.2.2.2, and destination slogan is 1111, and source port number is 2222. In equipment C, the purpose IP address of configuration is 2.2.2.2, and source IP address is 1.1.1.1, and destination slogan is 2222, and source port number is 1111. Therefore, mailing to the purpose IP address entrained by the TWAMP test packet of equipment C from device A is 1.1.1.1, and source IP address is 2.2.2.2, and destination slogan is 1111, and source port number is 2222; Being reflected back the purpose IP address entrained by the TWAMP test packet of device A from equipment C is 2.2.2.2, and source IP address is 1.1.1.1, and destination slogan is 2222, and source port number is 1111. Device A sends TWAMP test packet to equipment C, by parameters such as the round IP performance between test device A and equipment C, the two-way packet loss of statistics network, time delay and shakes. Equipment B is the intermediate equipment that TWAMP test packet transmits in path, and due to artificial maloperation, equipment B is configured to reflection end equipment, namely in equipment B, the purpose IP address of configuration is 1.1.1.1, source IP address is 2.2.2.2, and destination slogan is 1111, and source port number is 2222.
Fig. 3 is the form schematic diagram of a kind of possible TWAMP test packet that sending ending equipment sends. As shown in Figure 3: in the TWAMP test packet that sending ending equipment sends, 13-16 byte is source IP address (SIP), accounts for 32 bits altogether; IP address (DIP) for the purpose of 17-20 byte, accounts for 32 bits altogether; 21-22 byte is source port number (SourcePort), accounts for 16 bits altogether; Port numbers (DestinationPort) for the purpose of 23-24 byte, accounts for 16 bits altogether. 41-42 byte is error evaluation (ErrorEstimate) byte, described error evaluation accounts for 16bit altogether, and described error evaluation byte includes: S bit (1bit), Z bit (1bit), Scale (6bit), multiplier (8bit). Wherein S bit represents whether the clock producing time stamp is synchronized to universal time (English: UniversalTimeCoordinated, UTC) mark, S bit is that 1 expression clock is Tong Bu with outside UTC, and S is that 0 expression clock is not synchronize with outside UTC. Z bit is the reserved bit in error evaluation, IETFRFC5357 standard defines, when sending ending equipment sends TWAMP test packet, Z bit is necessarily arranged to 0, when reflection end equipment receives described TWAMP test packet, Z bit is not verified, when sending ending equipment receives the TWAMP test packet of reflection end equipment loopback, also Z bit is not verified. Scale is the power (scale) in error evaluation, 2^scale, uses for assessment errors; Multiplier is the multiplier factor in error evaluation, is equally used for assessment errors and uses. From the 43rd byte, it is byte of padding (Padding), adopts pseudo noise code or full 0 code.
In the embodiment of the present application, when needing round IP performance between sending ending equipment (device A in such as Fig. 1) and reflection end equipment (the equipment C of such as Fig. 1) in detection network, by device A as sending ending equipment, construct and send a TWAMP test packet, be forwarded to reflection end equipment C through intermediate equipment B. In the TWAMP test packet that sending ending equipment sends, Z bit value is 0. It is described in detail below in conjunction with Fig. 4 message processing method that the embodiment of the present application is provided. The application is applied to the scene shown in Fig. 2 in this way and is illustrated. Described method includes:
401: sending ending equipment generates and sends TWAMP test packet.
Device A, as sending ending equipment, generates and sends TWAMP test packet, and this TWAMP test packet is forwarded to reflection end equipment C through intermediate equipment B. When device A sends described TWAMP test packet as sending ending equipment, the Z bit in described TWAMP test packet is set to 0, represents that described TWAMP test packet is not reflection message. When reflection end equipment C receives described TWAMP test packet, TWAMP test packet described in loopback gives described sending ending equipment A, and the TWAMP test packet of this loopback includes indicating the TWAMP test packet of described loopback to be the mark reflecting message. Specifically, described mark can be value is the Z bit of 1. Described TWAMP test packet is UDP UDP message.
402: next-hop device receives described TWAMP test packet.
When device A sends described TWAMP test packet to equipment C, this TWAMP test packet, through routing inquiry, is forwarded to next-hop device by device A, i.e. equipment B, and equipment B receives described TWAMP test packet.
403: source IP address, purpose IP address, source port number and destination slogan that the purpose IP address of described TWAMP test packet, source IP address, destination slogan and source port number and this next-hop device self is configured by next-hop device mate respectively, if the match is successful, then perform 404, if it fails to match, then continue to be forwarded to next-hop device to purpose IP address, repeat 402-403.
When the described TWAMP test packet that device A sends arrives equipment B, being received described TWAMP test packet by equipment B, first the source IP address of the purpose IP address entrained by described TWAMP test packet, source IP address, destination slogan and source port number and equipment B self configuration, purpose IP address, source port number and destination slogan are mated by equipment B respectively. If the purpose IP address entrained by TWAMP test packet, source IP address, destination slogan and source port number, consistent with the source IP address of equipment B configuration, purpose IP address, source port number and destination slogan respectively, then determine that the match is successful, equipment B determines that this message received is TWAMP test packet, continues executing with 404. If the purpose IP address entrained by TWAMP test packet, source IP address, destination slogan and source port number, inconsistent with the source IP address of equipment B configuration, purpose IP address, source port number and destination slogan, then think that it fails to match, continues executing with 402-403. Therefore, if the match is successful, then TWAMP test packet is returned to the sending ending equipment A of this test packet by equipment B. If it fails to match, then continue to be forwarded to next-hop device to purpose IP address.
In the embodiment of the present application, purpose IP address entrained by TWAMP test packet, source IP address, destination slogan and source port number, inconsistent with the source IP address of equipment B configuration, purpose IP address, source port number and destination slogan, it fails to match, and the purpose IP address that equipment B continues to this TWAMP test packet forwards this TWAMP test packet. When this TWAMP test packet arrives equipment C, equipment C is by the purpose IP address entrained by this TWAMP test packet, source IP address, destination slogan and source port number, mate respectively with the source IP address of equipment C configuration, purpose IP address, source port number and destination slogan, determine this purpose IP address entrained by TWAMP test packet, source IP address, destination slogan and source port number, consistent with the source IP address of equipment C configuration, purpose IP address, source port number and destination slogan, it is determined that the match is successful. Equipment C determines that the message received is TWAMP test packet, and determines that equipment C corresponds to the reflection end equipment of sending ending equipment A.
404: reflection end equipment determines whether the Z bit in the TWAMP test packet received is 0, if 0, then perform 405, if not 0, then abandon this TWAMP test packet.
In the described TWAMP test packet sent by sending ending equipment A, described Z bit is 0, forwards through intermediate equipment B and arrives reflection end equipment C. After equipment C receives described TWAMP test packet, the Z bit determined in described TWAMP test packet is 0, determine that described TWAMP is not reflection message, then include indicating the TWAMP test packet of described loopback to be the mark of reflection message at this TWAMP test packet, such as the value of the Z bit in TWAMP test packet being set to 1, equipment C includes the TWAMP test packet of described mark to sending ending equipment A loopback.
By the TWAMP test packet of equipment C loopback when being transmitted back to sending ending equipment A, again pass by equipment B. Put owing to artificially mismatching, the purpose IP address entrained by TWAMP test packet of equipment C loopback, source IP address, destination slogan and source port number, consistent with the source IP address of equipment B configuration, purpose IP address, source port number and destination slogan, therefore, the purpose IP address entrained by TWAMP test packet of equipment C loopback, source IP address, destination slogan and source port number, the match is successful with the source IP address of equipment B configuration, purpose IP address, source port number and destination slogan. Equipment B determines that what receive is TWAMP test packet, and equipment B determines whether the Z bit of the TWAMP message received is 0. Owing to the value of the Z bit of the TWAMP test packet of loopback is set to 1 by reflection end equipment C, therefore, equipment B determines that the value of the Z bit of the TWAMP message received is not 0, then determine that the TWAMP test packet received is reflection message, now, equipment B abandons this TWAMP test packet, and does not reflect, thus being prevented effectively from formation message loop, decrease the risk that network storm occurs.
405: reflection end equipment is to TWAMP test packet described in sending ending equipment loopback, and the TWAMP test packet of this loopback includes indicating the TWAMP test packet of described loopback to be the mark reflecting message.
The value of the Z bit of the TWAMP test packet that equipment C receives is 0, then it represents that this TWAMP test packet is not reflection message. The value of the Z bit in the described TWAMP test packet received is set to 1 by equipment C, and this TWAMP test packet is passed back to sending ending equipment A, the TWAMP test packet of this loopback can also include other field of corresponding TWAMP agreement, such as sequence of message number, timestamp, life span TTL, source IP address, purpose IP address, source port number, destination slogan etc.
In embodiment 1, it is also possible to be 1 represent that the TWAMP test packet carrying this Z bit is not past reflection by Z bit value, it is 0 represent that the TWAMP test packet carrying this Z bit have passed through the reflection of reflection end equipment by Z bit value.
Alternatively, Z bit can also have multidigit, represents that by other value whether the TWAMP test packet carrying this Z bit is through reflection.
Embodiment 2
The schematic flow sheet of a kind of message processing method that Fig. 5 provides for another embodiment of the application, the application is applied to the scene shown in Fig. 2 in this way and is illustrated. Described method includes:
501: sending ending equipment generates and sends TWAMP test packet.
Device A, as sending ending equipment, generates and sends TWAMP test packet, and this TWAMP test packet is forwarded to reflection end equipment C through intermediate equipment B. The form of this TWAMP test packet is as shown in Figure 6. Essentially identical with the message format shown in Fig. 3, differ only in: TWAMP test packet belongs in the 43rd byte of byte of padding, a sending ending equipment/reflection end equipment S/R bit is set. Described S/R bit is set to 1 bit, and other 7 bit is set to reserved field Resv. Described Resv field could be arranged to full 0, it is also possible to is set to other value, for identifying the concrete type of message of TWAMP test packet.
Alternatively, S/R bit can also have multidigit, represents that by other value whether the TWAMP test packet carrying this S/R bit is through reflection. Further alternative, described S/R bit can also be arranged at other position of byte of padding.
In the embodiment of the present application, with S/R bit be 0 represent TWAMP test packet be not reflection message, S/R bit be 1 to represent TWAMP test packet be reflection message be illustrated. When device A sends described TWAMP test packet as sending ending equipment, the S/R bit in described TWAMP test packet is set to 0, represents that TWAMP test packet is not reflection message. When reflection end equipment C receives described TWAMP test packet, TWAMP test packet described in loopback gives described sending ending equipment A, and the TWAMP test packet of this loopback includes indicating the TWAMP test packet of described loopback to be the mark reflecting message. Specifically, described mark can be value be 1 S/R bit. Described TWAMP test packet is UDP UDP message.
502: next-hop device receives described TWAMP test packet.
503: source IP address, purpose IP address, source port number and destination slogan that the purpose IP address of described TWAMP test packet, source IP address, destination slogan and source port number and this next-hop device self is configured by next-hop device mate respectively, if the match is successful, then perform 504, if it fails to match, then continue to be forwarded to next-hop device to purpose IP address, repeat 502-503.
Wherein, the detailed process of step 502-503 is identical with step 402-403 in embodiment 1, can refer to the description of embodiment 1, repeats no more herein.
504: reflection end equipment determines whether the S/R bit in the described TWAMP test packet received is 0, if 0, then perform 505, if not 0, then abandon this TWAMP test packet.
In the described TWAMP test packet sent by sending ending equipment A, described S/R bit is 0, forwards through intermediate equipment B and arrives reflection end equipment C. After equipment C receives described TWAMP test packet, the S/R bit determined in described TWAMP test packet is 0, determine that described TWAMP is not reflection message, then include indicating the TWAMP test packet of described loopback to be the mark of reflection message at this TWAMP test packet, such as the value of the S/R bit in TWAMP test packet being set to 1, equipment C includes the TWAMP test packet of described mark to sending ending equipment A loopback. By the TWAMP test packet of equipment C loopback when being transmitted back to sending ending equipment A, again pass by equipment B. Put owing to artificially mismatching, the purpose IP address entrained by TWAMP test packet of equipment C loopback, source IP address, destination slogan and source port number, consistent with the source IP address of equipment B configuration, purpose IP address, source port number and destination slogan, therefore, the purpose IP address entrained by TWAMP test packet of equipment C loopback, source IP address, destination slogan and source port number, the match is successful with the source IP address of equipment B configuration, purpose IP address, source port number and destination slogan. Equipment B determines that what receive is TWAMP test packet. Equipment B determines whether the S/R bit of the TWAMP test packet received is 0. Owing to the value of the S/R bit of the TWAMP test packet of loopback is set to 1 by reflection end equipment C, therefore, equipment B determines that the value of the Z bit of the TWAMP message received is not 0, then determine that the message received is reflection message, now, equipment B abandons this TWAMP test packet, and does not reflect, thus being prevented effectively from formation message loop, decrease the risk that network storm occurs.
505. reflection end equipment is to TWAMP test packet described in sending ending equipment loopback, the TWAMP test packet of this loopback includes indicating the TWAMP test packet of described loopback to be the mark reflecting message.
The value of the S/R bit of the test packet that equipment C receives is 0, then it represents that this test packet is not reflection message. The value of the S/R bit in the described TWAMP test packet received is set to 1 by equipment C, and this TWAMP test packet is passed back to sending ending equipment A, the TWAMP test packet of this loopback can also include other field of corresponding TWAMP agreement, such as sequence of message number, timestamp, life span TTL, source IP address, purpose IP address, source port number, destination slogan etc.
Optionally, it is also possible to be 1 represent that the TWAMP test packet carrying this S/R bit is not past reflection with S/R bit value, it is 0 represent that the TWAMP test packet carrying this S/R bit have passed through the reflection of reflection end equipment with S/R bit value.
Embodiment 3
Fig. 7 A and Fig. 7 B illustrates the sending ending equipment of the method for performing embodiment 1 and embodiment 2 offer and the possible hardware architecture diagram of reflection end equipment. Sending ending equipment can be sending ending equipment 600 as shown in Figure 7 A, and reflection end equipment can be reflection end equipment 700 as shown in Figure 7 B.
Sending ending equipment 600 includes processor 601 and network interface 602, and described processor 601 is communicated with reflection end equipment 700 by network interface 602.
Processor 601, is used for generating TWAMP test packet;
Network interface 602, is used for sending TWAMP test packet, is additionally operable to receive the TWAMP test packet of reflection end equipment loopback, and the TWAMP test packet of this loopback includes indicating the TWAMP message of this loopback to be the mark reflecting message.
Described processor 601 is additionally operable to the Z bit in described TWAMP test packet is set to 0, is used for representing that this TWAMP test packet is not reflection message; The TWAMP test packet of this loopback includes indicating the TWAMP test packet of described loopback to be the mark reflecting message. Described mark can be value is the Z bit of 1.
Optionally, described processor 601 is additionally operable to the Z bit in described TWAMP test packet is set to 1, is used for representing that this TWAMP test packet is not reflection message; The TWAMP test packet of this loopback includes indicating the TWAMP test packet of described loopback to be the mark reflecting message. Described mark can be value is the Z bit of 0.
Alternatively, Z bit can also have multidigit, represents that by other value whether the TWAMP test packet carrying this Z bit is through reflection.
Optionally, described processor 601, it is additionally operable to the transmitting terminal in described TWAMP test packet/reflection end S/R bit is set to 0, is used for representing that this TWAMP test packet is not reflection message; The TWAMP test packet of this loopback includes indicating the TWAMP test packet of described loopback to be the mark reflecting message. Described mark can be value be 1 S/R bit.
Optionally, described processor 601, it is additionally operable to the transmitting terminal in described TWAMP test packet/reflection end S/R bit is set to 1, is used for representing that this TWAMP test packet is not reflection message; The TWAMP test packet of this loopback includes indicating the TWAMP test packet of described loopback to be the mark reflecting message. Described mark can be value be 0 S/R bit.
Alternatively, S/R bit can also have multidigit, represents that by other value whether the TWAMP test packet carrying this S/R bit is through reflection.
Reflection end equipment 700 includes processor 701 and network interface 702, and described processor 701 is communicated with sending ending equipment 600 by network interface 702.
Network interface 702, for the described TWAMP test packet that receiving end/sending end equipment sends.
Processor 701, is used for determining that described TWAMP test packet is not reflection message, then generates the TWAMP test packet of loopback, the TWAMP test packet of described loopback includes indicating the TWAMP test packet of described loopback to be the mark reflecting message.
Described network interface 702, is additionally operable to send the TWAMP test packet of described loopback.
Described processor 701, the Z bit being additionally operable to determine in the described TWAMP test packet that described sending ending equipment sends is 0, it is determined that described TWAMP is not reflection message. Described processor 701, the value being additionally operable to the Z bit by the reservation in the TWAMP test packet of described loopback is set to 1, for representing that the TWAMP test packet of this loopback is reflection message.
Optionally, described processor 701, the Z bit being additionally operable to determine in the described TWAMP test packet that described sending ending equipment sends is 1, it is determined that described TWAMP is not reflection message. Described processor 701, the value being additionally operable to the Z bit by the reservation in the TWAMP test packet of described loopback is set to 0, for representing that the TWAMP test packet of this loopback is reflection message.
Optionally, Z bit can also have multidigit, represents that by other value whether the TWAMP test packet carrying this Z bit is through reflection.
Optionally, described processor 701, transmitting terminal/reflection end S/R the bit being additionally operable to determine is 0, then determine that described TWAMP test packet is not reflection message, described processor 701, it is additionally operable to the described S/R bit in the TWAMP test packet of described loopback is set to 1, for representing that the TWAMP test packet of this loopback is reflection message.
Optionally, described processor 701, the transmitting terminal/reflection end S/R bit being additionally operable to determine is 1, it is determined that described TWAMP test packet is not reflection message; Described processor 701, is additionally operable to the described S/R bit in the TWAMP test packet of described loopback is set to 0, for representing that the TWAMP test packet of this loopback is reflection message.
Optionally, S/R bit can also have multidigit, represents that by other value whether the TWAMP test packet carrying this S/R bit is through reflection.
In another embodiment, as shown in Figure 7 A, sending ending equipment 600 can include processor 601, network interface 602, memorizer 603 and bus 604. Processor 601, network interface 602 are communicated by bus 604 with memorizer 603. Processor 601 is communicated with reflection end equipment 700 by network interface 602.
In another embodiment, as shown in Figure 7 B, reflection end equipment can include processor 701, network interface 702, memorizer 703 and bus 704. Processor 701, network interface 702 are communicated by bus 704 with memorizer 703. Processor 701 is communicated with sending ending equipment 600 by network interface 702.
Processor 601 and processor 701 can be one or more central processing unit (English: CentralProcessingUnit, CPU). When processor 601 or processor 701 are CPU, this CPU can be monokaryon CPU, it is also possible to be multi-core CPU.
Network interface 602 and network interface 702 can be wireline interfaces, such as Fiber Distributed Data Interface is (English: FiberDistributedDataInterface, FDDI), front mbit ethernet (English: GigabitEthernet, GE) interface.
Memorizer 603 and memorizer 703 can be but not limited to random access memory (RAM), read only memory (ROM), one or more in Erasable Programmable Read Only Memory EPROM (EPROM), compact disc read-only memory (CD-ROM), hard disk etc. Memorizer 603 and memorizer 703 are used for storing program code.
Memorizer 603 stores program instruction code, and processor 601, for performing the instruction code in memorizer 603, completes the method in embodiment 1 or embodiment 2.
Memorizer 703 stores program instruction code, and processor 701, for performing the instruction code in memorizer 703, completes the method in embodiment 1 and embodiment 2. Embodiment 4:
Fig. 8 A illustrates the schematic diagram of a kind of message process device 800. For performing embodiment 1 and the message processing method of embodiment 2 offer. Message process device 800 is positioned at sending ending equipment 600 side. Message process device 800 includes: processing unit 801, transmitting element 802 and reception unit 803;
Processing unit 801, is used for generating TWAMP test packet.
Transmitting element 802, is used for sending described TWAMP message.
Receiving unit 803, for receiving the TWAMP test packet of reflection end equipment loopback, the TWAMP test packet of this loopback includes the mark indicating this TWAMP message to be reflection message.
Above-mentioned unit can be the unit on logical meaning, can be read, by CPU, the functional unit generated after the software code of storage in memorizer runs, it is also possible to be realized by hardware cell in specific implementation process.
Described processing unit 801, is additionally operable to the Z bit in described TWAMP test packet is set to 0, is used for representing that this TWAMP test packet is not reflection message; The TWAMP test packet of this loopback includes indicating the TWAMP test packet of described loopback to be the mark reflecting message. Described mark can be value is the Z bit of 1.
Optionally, described processing unit 801, it is additionally operable to the Z bit in described TWAMP test packet is set to 1, is used for representing that this TWAMP test packet is not reflection message; The TWAMP test packet of this loopback includes indicating the TWAMP test packet of described loopback to be the mark reflecting message. Described mark can be value is the Z bit of 0.
Alternatively, Z bit can also have multidigit, represents that by other value whether the TWAMP test packet carrying this Z bit is through reflection.
Optionally, described processing unit 801, it is additionally operable to the transmitting terminal in described TWAMP test packet/reflection end S/R bit is set to 0, is used for representing that this TWAMP test packet is not reflection message; Described reflection end equipment is for being set to 1 by the described S/R bit in the TWAMP test packet of described loopback, for representing that the TWAMP test packet of this loopback is reflection message.
Optionally, described processing unit 801, it is additionally operable to the transmitting terminal in described TWAMP test packet/reflection end S/R bit is set to 1, is used for representing that this TWAMP test packet is not reflection message; Described reflection end equipment is for being set to 0 by the described S/R bit in the TWAMP test packet of described loopback, for representing that the TWAMP test packet of this loopback is reflection message.
Alternatively, S/R bit can also have multidigit, represents that by other value whether the TWAMP test packet carrying this S/R bit is through reflection.
The message process device 800 that Fig. 8 A provides, it is possible to be integrated in the sending ending equipment 600 described in Fig. 7 A, be applied in the scene shown in Fig. 2, it is achieved the function of sending ending equipment. Such as, processing unit 801 can realize with the processor 601 of Fig. 7 A, transmitting element 802 and one or more can being realized by the network interface of Fig. 7 A of receiving in unit 803. Other additional function that message process device 800 can realize and the interaction with reflection end equipment, referring to the description of method in embodiment 1 and embodiment 2, repeat no more herein.
Fig. 8 B illustrates the schematic diagram of another kind of message process device 900. Message process device 900 is positioned at sending ending equipment 700 side. Message process device 900 includes: receive unit 901, processing unit 902 and transmitting element 903.
Receive unit 901, be used for receiving TWAMP test packet.
Processing unit 902, is used for determining that described TWAMP test packet is not reflection message, then generates the TWAMP test packet of loopback, the TWAMP test packet of described loopback includes indicating the TWAMP test packet of described loopback to be the mark reflecting message.
Transmitting element 903, for sending the TWAMP test packet of described loopback.
Above-mentioned unit can be the unit on logical meaning, can be read, by CPU, the functional unit generated after the software code of storage in memorizer runs, it is also possible to be realized by hardware cell in specific implementation process.
Optionally, described processing unit 902, the Z bit being additionally operable to determine in described TWAMP test packet is 0, it is determined that described TWAMP is not reflection message. Described processing unit 902, the value being additionally operable to the Z bit by the reservation in the TWAMP test packet of described loopback is set to 1, for representing that the TWAMP test packet of this loopback is reflection message.
Optionally, described processing unit 902, the Z bit being additionally operable to determine in described TWAMP test packet is 1, it is determined that described TWAMP is not reflection message. Described processing unit 902, the value being additionally operable to the Z bit by the reservation in the TWAMP test packet of described loopback is set to 0, for representing that the TWAMP test packet of this loopback is reflection message.
Optionally, Z bit can also have multidigit, represents that by other value whether the TWAMP test packet carrying this Z bit is through reflection.
Optionally, described processing unit 902, transmitting terminal/reflection end S/R the bit being additionally operable to determine is 0, then determine that described TWAMP test packet is not reflection message, described processing unit 902, it is additionally operable to the described S/R bit in the TWAMP test packet of described loopback is set to 1, for representing that the TWAMP test packet of this loopback is reflection message.
Optionally, described processing unit 902, the transmitting terminal/reflection end S/R bit being additionally operable to determine is 1, it is determined that described TWAMP test packet is not reflection message; Described processing unit 902, is additionally operable to the described S/R bit in the TWAMP test packet of described loopback is set to 0, for representing that the TWAMP test packet of this loopback is reflection message.
Optionally, S/R bit can also have multidigit, represents that by other value whether the TWAMP test packet carrying this S/R bit is through reflection.
The message process device 900 that Fig. 8 B provides, it is possible to be integrated in the reflection end equipment 700 described in Fig. 6 B, be applied in the scene shown in Fig. 2, it is achieved the function of the equipment of reflection. Such as, processing unit 902 can realize with the processor 701 of Fig. 7 B, and what receive in unit 901 and transmitting element 903 one or more can be realized by the network interface 702 of Fig. 7 B. Other additional function that message process device 900 can realize and the interaction with sending ending equipment, referring to the description in embodiment 1 and embodiment 2, repeat no more herein.
Message process device provided herein, only it is illustrated with the division of above-mentioned each functional module, in practical application, above-mentioned functions can be assigned different functional modules as desired to complete, it is divided into different functional modules, to complete all or part of function described above by the internal structure of equipment.
Embodiment 5
This application provides a kind of communication system, including sending ending equipment and reflection end equipment. Described sending ending equipment and reflection end equipment can be the sending ending equipment that provides of embodiment 3 and reflection end equipment. Described sending ending equipment can include the message process device of the sending ending equipment side provided in embodiment 4, and described reflection end equipment can include the message process device of the reflection end equipment side provided in embodiment 4. Described sending ending equipment and described reflection end equipment are for performing the method described by embodiment 1 and embodiment 2.
Described communication system can further include control client device and server, controls between client device and server after interactive controlling signaling message foundation control session, and control client device adds up session by signaling message notice server foundation. The information such as this signaling mainly consults the IP address at statistics session two ends, UDP port number, both sides are consulted after successfully, and statistics session is just successfully established. After statistics session initiation, sending ending equipment sends test packet, the information such as carry timestamp in test packet, transmit Sequence Number, and reflection end equipment carries out response after receiving test packet, send response test packet, response test packet carries the information such as timestamp, response sequence number. After sending ending equipment receives response test packet, being sent to control client device after calculating IP performance statistics result, statistical data unification is safeguarded by controlling client device and presents to user. Control the foundation of session between control client and server described in the present embodiment, and between sending ending equipment and sending ending equipment, add up the foundation of session, all carry out according to prior art, repeat no more herein.
Those skilled in the art are it will be appreciated that in said one or multiple example, function described herein can realize by hardware, software, firmware or their combination in any. When implemented in software, it is possible to these functions are stored in computer-readable medium or are transmitted as the one or more instructions in computer-readable medium or code. Computer-readable medium includes computer-readable storage medium and communication media, and wherein, communication media includes any medium being easy to transmit computer program from a place to another place. Storage medium can be any usable medium that universal or special computer can access.
The various piece of this specification all adopts the mode gone forward one by one to be described, between each embodiment identical similar part mutually referring to, what each embodiment introduced is and other embodiment differences. Especially for device and system embodiment, owing to it is substantially similar to embodiment of the method, so what describe is fairly simple, relevant part is referring to the explanation of embodiment of the method part.
Finally, it is necessary to explanation: the foregoing is only the preferred embodiment of technical scheme, it is not intended to limit the protection domain of the application. Obviously, the application can be carried out various change and modification without deviating from scope of the present application by those skilled in the art. If these amendments of the application and modification belong within the scope of the application claim and equivalent technologies thereof, then any amendment of making, equivalent replacement, improvement etc., should be included within the protection domain of the application.
Claims (23)
1. the two-way processing method actively measuring agreement TWAMP message, it is characterised in that the method includes:
Reflection end equipment receives TWAMP test packet;
Reflection end equipment determines that described TWAMP test packet is not reflection message, then to this TWAMP test packet of sending ending equipment loopback, the TWAMP test packet of this loopback includes indicating the TWAMP test packet of described loopback to be the mark reflecting message.
2. method according to claim 1, it is characterised in that described determine described TWAMP test packet be not reflection message, comprise determining that the Z bit in described TWAMP test packet is 0, it is determined that described TWAMP test packet be not reflection message.
3. method according to claim 2, it is characterised in that described in be designated: value is the Z bit of 1.
4. method according to claim 1, it is characterized in that, described determine described TWAMP test packet be not reflection message, including: described reflection end equipment determines that the transmitting terminal in described TWAMP test packet/reflection end S/R bit is 0, it is determined that described TWAMP test packet is not reflection message.
5. method according to claim 4, it is characterised in that also include: described in be designated: value is the S/R bit of 1.
6. the method according to any one of claim 1-5, it is characterised in that also include: described reflection end equipment is determined when described TWAMP test packet is reflection message, abandons described reflection message.
7. two-way actively measure agreement TWAMP message processing method for one kind, it is characterised in that including:
Sending ending equipment sends TWAMP test packet to reflection end equipment;
Sending ending equipment receives the TWAMP test packet of described reflection end equipment loopback, and the TWAMP test packet of this loopback includes indicating the TWAMP test packet of described loopback to be the mark reflecting message.
8. method according to claim 7, it is characterised in that: the value of the Z bit in the described TWAMP test packet that described sending ending equipment sends is 0, represents that described TWAMP test packet is not reflection message.
9. method according to claim 8, it is characterised in that described in be designated: value is the Z bit of 1.
10. method according to claim 7, it is characterised in that: the transmitting terminal in described TWAMP test packet/reflection end S/R bit is set to 0, represents that the described TWAMP test packet that described sending ending equipment sends is not reflection message.
11. method according to claim 10, it is characterised in that: described in be designated: value is the S/R bit of 1.
12. one kind two-way actively measures agreement TWAMP message process device, it is characterised in that described device is positioned at reflection end equipment side, and described device includes: receive unit, processing unit and transmitting element; Wherein,
Described reception unit, is used for receiving TWAMP test packet;
Described processing unit, is used for: determines that described TWAMP test packet is not reflection message, then generates the TWAMP test packet of loopback, and the TWAMP test packet of described loopback includes indicating the TWAMP test packet of described loopback to be the mark reflecting message;
Described transmitting element, for sending the TWAMP test packet of described loopback.
13. device according to claim 12, it is characterised in that: described processing unit, is 0 for the Z bit determined in described TWAMP test packet, it is determined that described TWAMP is not reflection message.
14. device according to claim 13, its feature is being in that: described in be designated: value is the Z bit of 1.
15. device according to claim 12, it is characterised in that: described processing unit, is 0 for the transmitting terminal/reflection end S/R bit determined in described TWAMP test packet, it is determined that described TWAMP test packet is not reflection message.
16. device according to claim 15, it is characterised in that: described in be designated: value is the S/R bit of 1.
17. the device according to any one of claim 12-16, it is characterised in that: described processing unit, it is additionally operable to determine when described TWAMP test packet is reflection message, abandons described reflection message.
18. one kind two-way actively measures agreement TWAMP message process device, it is characterised in that described device is positioned at sending ending equipment side, and described device includes processing unit, transmitting element and reception unit; Wherein,
Described processing unit, is used for generating TWAMP test packet;
Described transmitting element, is used for sending described TWAMP test packet;
Described reception unit, for receiving the TWAMP test packet of reflection end equipment loopback, the TWAMP test packet of described loopback includes indicating the TWAMP test packet of described loopback to be the mark reflecting message.
19. device according to claim 18, it is characterised in that: described processing unit, the Z bit being additionally operable in the described TWAMP test packet sent by described transmitting element is set to 0.
20. device according to claim 19, it is characterised in that: described in be designated: value is the Z bit of 1.
21. device according to claim 18, it is characterised in that: described processing unit, it is additionally operable to the transmitting terminal in the described TWAMP test packet sent by described transmitting element/reflection end S/R bit and is set to 0.
22. device according to claim 21, it is characterised in that: described in be designated: value is the S/R bit of 1.
23. a communication system, including sending ending equipment and reflection end equipment, it is characterised in that: described reflection end equipment includes the device according to any one of claim 13-17, and described sending ending equipment includes the device according to any one of claim 18-22.
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| CN201511029103.1A CN105634937B (en) | 2015-12-31 | 2015-12-31 | A kind for the treatment of method and apparatus of message |
| PCT/CN2016/091573 WO2017113771A1 (en) | 2015-12-31 | 2016-07-25 | Packet processing method and device |
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Also Published As
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| CN105634937B (en) | 2019-03-26 |
| WO2017113771A1 (en) | 2017-07-06 |
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