WO2011116599A1 - 吞吐量测量方法及维护端节点 - Google Patents

吞吐量测量方法及维护端节点 Download PDF

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Publication number
WO2011116599A1
WO2011116599A1 PCT/CN2010/077596 CN2010077596W WO2011116599A1 WO 2011116599 A1 WO2011116599 A1 WO 2011116599A1 CN 2010077596 W CN2010077596 W CN 2010077596W WO 2011116599 A1 WO2011116599 A1 WO 2011116599A1
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Prior art keywords
end node
maintenance end
transmission
measurement
data packet
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PCT/CN2010/077596
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English (en)
French (fr)
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肖敏
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中兴通讯股份有限公司
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Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Priority to US13/636,687 priority Critical patent/US8848582B2/en
Priority to ES10848261.3T priority patent/ES2551252T3/es
Priority to EP10848261.3A priority patent/EP2552053B1/en
Publication of WO2011116599A1 publication Critical patent/WO2011116599A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00Arrangements for monitoring or testing data switching networks
    • H04L43/08Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
    • H04L43/0876Network utilisation, e.g. volume of load or congestion level
    • H04L43/0888Throughput
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00Arrangements for monitoring or testing data switching networks
    • H04L43/08Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
    • H04L43/0805Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability
    • H04L43/0811Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability by checking connectivity
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00Arrangements for monitoring or testing data switching networks
    • H04L43/10Active monitoring, e.g. heartbeat, ping or trace-route
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00Arrangements for monitoring or testing data switching networks
    • H04L43/12Network monitoring probes

Definitions

  • the present invention relates to the field of data communications, and in particular, to a throughput measurement method and a maintenance end node.
  • throughput as an important network performance indicator has become one of the most concerned test items for network operators.
  • the Internet Engineering Task Force (IETF) the standard organization, gave the initial definition of throughput in the RFC 1242 standard released in July 1991.
  • the throughput refers to the device without packet loss.
  • the throughput at that time was mainly for a single specific network device, and with the expansion of the throughput definition, the throughput mentioned in the communication industry can not only target a single network device, but also For a specific communication link containing multiple network devices in a communication network, the definition of throughput is derived from the maximum transmission rate that can be supported by this communication link without packet loss.
  • the IETF released the RFC1944 standard in May 1996, which proposed a set of basic test methods for network devices, including the measurement method of throughput, followed by 1999.
  • the IETF replaced the RFC 1944 standard with the newly released RFC2544 standard, and it has been in use ever since.
  • the measurement method of throughput is described as: using the test instrument to send a certain number of test packets to the device under test according to a certain transmission rate, if the number of test packets actually forwarded by the device under test is smaller than that sent by the test instrument, Then the test instrument reduces the transmission rate and retransmits, and so on, until the maximum transmission rate of not dropping the packet is found as the throughput of the device under test.
  • the industry Based on the basic method of throughput measurement proposed by the RFC2544 standard, in practice, the industry generally uses the binary search method to measure the throughput of the tested communication device or the tested communication link.
  • the search principle of the binary search method is as follows: The throughput of the tested communication device or the tested communication link is A, the target precision of the manual configuration is a, and the initial bandwidth of the manually configured transmission test traffic is B (requires B>A. Otherwise, the binary search method cannot measure the throughput. the amount).
  • the first measurement uses B to send test traffic for the bandwidth, and packet loss occurs, so the second measurement uses B/2 to send test traffic for the bandwidth. If there is no packet loss in the second measurement, it is necessary to judge whether the bandwidth used in the measurement meets the target accuracy requirement.
  • FIG. 1 is a schematic diagram of measuring the throughput of a communication link using a test meter.
  • test instruments 1 and 2 are respectively connected to a provider edge device (Provider Edge, referred to as PE) at both ends of the link under test, and tested.
  • Meters 1 and 2 are also cascaded through a dedicated communication link (typically a low-speed link) for centralized control by a single test instrument control software.
  • P Provided Device
  • the measurement parameters include: initial bandwidth of test traffic, transmission duration, test packet size, test packet priority, and test packet style.
  • the initial bandwidth is generally configured to be The maximum physical bandwidth of the link is measured; the length of the transmission refers to the length of each test traffic sent; the test packet size and priority affect the measurement of the throughput. In general, the measurement of the throughput covers various typical tests. Packet size and all priorities; test package styles can generally be configured as pseudo-random codes to better simulate real-world traffic.
  • the test instrument control software controls the transmission of the test flow according to the configured measurement parameters, and monitors the reception of the test flow, and calculates the packet loss rate after each measurement is completed and calculates the next two-point search method. The bandwidth used is measured once, and then the next measurement is started until the throughput to the specified target accuracy is searched.
  • FIG. 1 is a schematic diagram of the OAM functional entity in an MPLS-TP network.
  • one or more maintenance end points can be created on the PEs at the edge of the MPLS-TP network.
  • the P devices in the middle of the MPLS-TP network can be based on ports.
  • MIPs Maintenance Intermediate Points
  • the MPLS-TP OAM function requires that the throughput measurement can be performed between the MEP and the MEP.
  • the MEPs at both ends can be located in the Pseudowire (PW) layer and the Label Switched Path (Label Switched Path). LSP) layer or section layer.
  • PW Pseudowire
  • Label Switched Path Label Switched Path
  • the present invention is directed to providing a throughput measurement method and a maintenance end node to solve the problem of measuring the throughput of a communication link using a test instrument in the related art, which is high in cost and complicated in operation and maintenance. At least one of the above issues.
  • a throughput measurement method is provided.
  • the throughput measurement method according to the present invention is applied to an MPLS-TP network, including: the first maintenance end node in the MPLS-TP network performs data with the second maintenance end node in the MPLS-TP network within a predetermined time period.
  • a maintenance end node After the predetermined time period, the first maintenance end node receives the measurement information fed back from the second maintenance end node, where the measurement information is used to indicate the number of data packets transmitted by the second maintenance end node this time; The end node judges that there is no packet loss in the current packet transmission according to the measurement information, and the transmission rate reaches the target precision requirement, and obtains the throughput of the transmission data packet in the transmission direction.
  • a maintenance end node is provided.
  • the maintenance end node according to the present invention includes: a transmission device, configured to be used within a predetermined time period
  • Another maintenance end node in the MPLS-TP network performs data packet transmission;
  • the first receiving device is configured to receive measurement information fed back from another maintenance end node after a predetermined time period, where the measurement information is used to indicate another The number of data packets transmitted by the maintenance node at this time;
  • the judging device is used according to The measurement information determines whether the packet is lost in the current packet transmission, and if the packet rate does not exceed the packet, the transmission rate meets the target accuracy requirement;
  • the determining device is configured to determine, according to the determining device, that no packet is lost in the current packet transmission, and the transmission is performed. The rate meets the target accuracy requirement and the throughput of the transmitted data packet in the transmission direction is obtained.
  • MEP performs packet transmission with the peer MEP in the MPLS-TP network within a predetermined period of time. After a single measurement is completed, the peer MEP passes the packet information (ie, measurement information) in a single measurement by counting. The message is sent to the local MEP for calculating the packet loss rate of a single measurement. When the packet loss rate is zero and the transmission rate meets the target accuracy requirement, the local MEP can determine the throughput of the transmission packet in the transmission direction, and the solution is solved.
  • a test instrument is used to measure the throughput of a communication link, and the measurement cost is high and the operation and maintenance are complicated, thereby saving measurement cost and simplifying operation and maintenance.
  • FIG. 1 is a schematic diagram of measuring a communication link throughput using a test meter in the related art
  • FIG. 2 is a schematic diagram of an OAM functional entity in an MPLS-TP network
  • FIG. 3 is a throughput measurement method according to an embodiment of the present invention.
  • FIG. 4 is a flow chart of a throughput measurement method according to Example 1 of the present invention
  • Figure 5 is a flow chart of a throughput measurement method according to Example 2 of the present invention
  • Figure 6 is a maintenance end node of an embodiment of the present invention
  • FIG. 7 is a structural block diagram of a maintenance end node in a preferred embodiment of the present invention.
  • one or more maintenance end nodes (MEPs) created based on ports may serve as a local MEP (hereinafter referred to as a first maintenance end node;), and a peer MEP of the local MEP (hereinafter referred to as a second
  • the data packet is transmitted between the maintenance end nodes, and the measurement information transmitted and received by the second maintenance end node can determine the throughput of the transmission data packet in the transmission direction.
  • 3 is a flow chart of a throughput measurement method in accordance with an embodiment of the present invention.
  • the throughput measurement method includes the following steps: Step 4: S302: The first maintenance end node in the MPLS-TP network performs data packet transmission with the second maintenance end node in the MPLS-TP network within a predetermined time period; S304: After the predetermined period of time, the first maintenance end node receives the measurement information fed back from the second maintenance end node, where the measurement information is used to indicate the number of data packets transmitted by the second maintenance end node this time; Step S306: According to the measurement information, a maintenance end node determines that there is no packet loss in the current data packet transmission, and the transmission rate reaches the target precision requirement, and obtains the throughput of the transmission data packet in the transmission direction.
  • step S302 using a test instrument to measure the throughput of a communication link requires that both test instruments and operators are provided at both ends of the link, and the test instrument is required to be cascaded through a dedicated communication link, which is time consuming and laborious, and the measurement cost is 4 ⁇ . high.
  • the following processing may be further included: locking the first maintenance end node and the second maintenance end node.
  • the locking the first maintenance end node and the second maintenance end node may include the following processing: the first maintenance end node starts the diagnostic test function of the throughput measurement mode, and locks the first maintenance end node; The node sends an instruction to the second maintenance end node to lock the second maintenance end node.
  • the first maintenance end node and the second maintenance end node perform data packet transmission in the following manner: a bidirectional transmission mode. Packet transmission through bidirectional transmission is for bidirectional throughput measurement. The process of bidirectional throughput measurement is described below.
  • the first maintenance end node sends a measurement start indication message to the second maintenance end node, where the measurement start indication message carries the identification information of the measurement start, and the second maintenance end
  • the node needs to send the indication information of the data packet, and the configuration parameter used by the second maintenance end node to send the data packet; the first maintenance end node receives the measurement start reply message from the second maintenance end node.
  • the configuration parameter may include: a bandwidth used by the second maintenance end node to send the data packet, a transmission duration, a packet size, a packet priority, and a packet style.
  • the first maintenance end node When performing the bidirectional throughput measurement, the first maintenance end node sends a measurement start indication message to the second maintenance end node, in addition to indicating the start of the current measurement, and further includes information indicating configuration information of the second maintenance end node to send the data packet, and the like.
  • the above processing can effectively perform subsequent bidirectional throughput measurement and simplify the operation flow.
  • the first maintenance end node when the first maintenance end node completes the data packet transmission, the first maintenance end node needs to send a measurement end indication message to the second maintenance end node, where the measurement end indication message is used to indicate The first maintenance end node ends the sending of the data packet; after the second maintenance end node receives the measurement end indication message, and determines that the current maintenance data packet ends, the first maintenance end node receives the second maintenance end node.
  • the measurement end reply message may also be referred to as a count message, where the measurement end reply message carries the number of transceiver packets of the second maintenance end node.
  • the local MEP sends a measurement end indication message to the peer MEP to indicate that the local MEP sends the data packet end, so that the peer MEP can effectively measure the number of received data packets and provide feedback, so as to provide a basis for the subsequent packet loss rate calculation, simplifying Measuring the operational flow.
  • the step S406 can further include the following process: the first maintenance end node determines whether the packet loss rate P1 in the forward direction and the packet loss rate P2 in the reverse direction are 0 at the same time, where the forward direction is the first maintenance.
  • the direction in which the end node sends the data packet to the second maintenance end node, and the reverse direction is the direction in which the second maintenance end node sends the data packet to the first maintenance end node.
  • the packet loss rate in the bidirectional data packet transmission process can be accurately calculated, and whether the packet loss phenomenon is judged according to the calculation result, and combined with the judgment of whether the transmission rate meets the target accuracy requirement, it can be determined whether it is necessary to perform Next throughput measurement. And the algorithm is simple and easy to implement.
  • the first maintenance end node determines that the packet is lost in the current data packet transmission, or the transmission rate does not meet the target accuracy requirement, the first maintenance end node uses the binary search method to change the transmission one by one.
  • the bandwidth of the data packet is transmitted, and the new bandwidth in the reverse direction is carried in the measurement start indication message and sent to the second maintenance end node, and the foregoing process is repeated until no packet is lost in the bidirectional transmission of the data packet, and the bidirectional transmission rate is reached.
  • Target accuracy requirements When performing packet bidirectional transmission, packet loss occurs, or the transmission rate does not meet the target accuracy requirement, the throughput in the transmission direction cannot be determined, and the next throughput measurement needs to be performed. Therefore, it is necessary to change the transmission bandwidth to transmit the data packet. In this way, in the case where there is no packet loss and the transmission rate reaches the target accuracy requirement, it can be determined that the current transmission bandwidth is the throughput in the transmission direction.
  • Example 1 primarily describes the process of bidirectional throughput measurement in an MPLS-TP network.
  • the throughput measurement method includes the following steps: Step S402: On the local MEP of the MPLS-TP network, enable the diagnostic test function of the mode for throughput measurement, and the MEP is then locked, that is, the MEP.
  • Step S404 The local MEP sends a command lock message to the peer MEP to lock the fixed-end MEP, in addition to being locked by itself;
  • Step S406 After receiving the command lock message, the peer MEP receives the command lock message. It will also be locked, and will reply to the command lock reply message, indicating that the command is received and the lock is successful.
  • Step S408 Start the bidirectional throughput measurement on the local MEP, and configure the initial bandwidth, the sending duration, and the test packet size of the test traffic before starting.
  • Step S410 The local MEP sends a first measurement start indication message to the peer MEP as the start delimiter of the first measurement (ie, the test starts) Identification information), and at the same time carrying the initial bandwidth of the test traffic configured on the local MEP, the sending duration, the test packet size, Packet priority test pattern and test kits, test traffic required to send the peer MEP so;
  • Step S412 After receiving the first measurement start indication message, the peer MEP replies with the first measurement start reply message to the local MEP.
  • Step S414 The local MEP starts to send the test traffic according to the previously configured measurement parameters, and reaches the sending.
  • Step S416 The local MEP ends the transmission of the test traffic to the opposite end.
  • the MEP sends the first measurement end indication message as the end delimiter of the first measurement.
  • Step S418 After receiving the first measurement end indication message and ending the transmission of the test traffic, the peer MEP sends a count to the local MEP. The message carries the number of packets sent and received by the peer MEP during the first measurement period.
  • Step S420 After receiving the counting message, the local MEP calculates the packet loss rate of the test traffic in the two directions, and the calculation result determines whether the subsequent step is Execution; wherein, if the packet loss rate in the Forward direction and the packet loss rate in the Reverse direction are 0, the bidirectional throughput measurement ends, that is, The subsequent step 4 is no longer performed.
  • the initial bandwidth is the measured throughput in the Forward direction, and is also the measured throughput in the Reverse direction. If the Forward direction packet loss rate and the Reverse direction packet loss rate are not both 0.
  • Step S422 The local MEP uses the binary search method to calculate the bandwidth used for transmitting the test traffic in the two directions, respectively, to replace the initial bandwidth in the measurement parameter; In the specific implementation process, the local MEP can also use other algorithms to calculate the bandwidth used for sending the test traffic in the next direction.
  • Step S424 The local MEP sends a second measurement start indication message to the peer MEP, and the content and the action are basically the same as the first measurement start indication message in the step 4 S410, the only difference is that the initial bandwidth is replaced by the binary one.
  • the reverse direction bandwidth calculated by the search method Step S426: After receiving the second measurement start indication message, the peer MEP will be localized
  • Step S428 Both ends start to send test traffic, and the used measurement parameters are basically the same as the first measurement. The only difference is the transmission bandwidth, instead of using the initial bandwidth, but using the binary search method to calculate the two directions separately. Outgoing bandwidth; After performing step S428, the signaling and calculation process of the second measurement is consistent with the first measurement. After the second measurement is completed, if the forward direction packet loss rate and the reverse direction packet loss rate are both 0, and the transmission rates in both directions meet the target accuracy requirements, the bidirectional throughput measurement ends, and the measurement is used. The test traffic bandwidth in both directions is the measured throughput.
  • Step S430 After a total of N measurements, the throughput of the two directions to achieve the specified target precision can be obtained respectively, where N times represent an indefinite number of times, the value of the initial bandwidth is set, the selection of the search algorithm, and the target accuracy are related. .
  • the start time of the step S408 is independent of the step 4 S402-S406; the two ends of the step S414 can send the test traffic synchronously or asynchronously.
  • the first maintenance end node and the second maintenance end node may also perform data packet transmission by using a one-way transmission manner. Packet transmission through one-way transmission is for one-way throughput measurement. The process of one-way throughput measurement is described below.
  • the first maintenance end node sends a measurement start indication message to the second maintenance end node, where the measurement start indication message carries the identification information of the measurement start;
  • the end node receives a measurement start reply message from the second maintenance end node.
  • the first maintenance end node sends a measurement start indication message to the second maintenance end node to indicate the start of the current measurement.
  • the subsequent one-way throughput measurement can be effectively performed, and the operation flow is simplified.
  • the second maintenance end node receives the measurement end indication message from the first maintenance end node, where the measurement end indication message is used to indicate the A maintenance end node sends a data packet end; the first maintenance end node receives a measurement end reply message from the second maintenance end node, which is also called a count message, where the measurement end reply message carries the second maintenance end node The number of packets received.
  • the local MEP sends a measurement end indication message to the peer MEP to indicate that the local MEP sends the data packet end, so that the peer MEP can effectively measure the number of received data packets and provide feedback, so as to provide a basis for the subsequent packet loss rate calculation, simplifying Measuring the operational flow.
  • the first maintenance end node determines, according to the measurement information, whether the packet loss in the current data packet transmission includes: the first maintenance end node determines whether the packet loss rate P1 in the forward direction is 0, where the forward direction is the first maintenance. The end node sends the direction of the data packet to the second maintenance end node.
  • the packet loss rate in the unidirectional data packet transmission process can be accurately calculated, and whether the packet loss phenomenon exists according to the calculation result, and whether the transmission rate reaches the target accuracy requirement can be determined whether it is necessary to perform the execution.
  • the algorithm is simple and easy to implement.
  • the first maintenance end node determines that the packet loss in the current data packet transmission, or the transmission rate does not meet the target accuracy requirement, the first maintenance end node uses the binary search method to sequentially change the bandwidth of the transmission data packet, and repeats the above. The process does not cause packet loss during packet transmission, and the transmission rate meets the target accuracy requirement.
  • the throughput of the transmission direction can be accurately determined, and the throughput can satisfy a certain precision requirement.
  • Example 2 mainly describes the process of one-way throughput measurement in an MPLS-TP network.
  • the throughput measurement method includes the following steps: Step S502: Turn on a diagnostic test function for mode measurement on a local MEP of the MPLS-TP network, and the MEP is then locked, that is, the MEP. All the traffic is blocked.
  • Step S504 The local MEP sends a command lock message to the peer MEP to lock the fixed-end MEP.
  • Step S506 After receiving the command lock message, the peer MEP receives the command lock message. Will also be locked, and reply to the command lock reply message, indicating that the command was received and the lock was successful;
  • Step S508 Start a one-way throughput measurement on the local MEP, and configure the initial bandwidth of the test traffic, the sending duration, the test packet size, the test packet priority, and the test packet style before starting, and specify the target accuracy of the measurement;
  • S510 ⁇ S518 The local MEP sends a first measurement start indication message to the opposite MEP as the start delimiter of the first measurement; after receiving the first measurement start indication message, the opposite MEP replies to the local MEP.
  • the first measurement starts to reply to the message; after that, the local MEP starts to send the test traffic according to the previously configured measurement parameters, and ends the transmission after the transmission time is reached; after the end of the transmission of the test traffic, the local MEP sends the first measurement end indication message to the opposite MEP.
  • the peer MEP After receiving the first measurement end indication message, the peer MEP sends a counting message to the local MEP, which carries the number of packets received by the peer MEP during the first measurement period;
  • Step S520 After receiving the counting message, the local MEP calculates the test traffic loss rate of the unidirectional (local MEP to the peer MEP direction), The result determines whether the subsequent steps are executed.
  • Step S522 The local MEP uses the binary search method to calculate the bandwidth used by the local MEP to send the test traffic for the next time to replace the measurement parameters. In the actual implementation process, the local MEP can also use other algorithms to calculate the bandwidth used for sending test traffic in this direction.
  • Step S524 The local MEP sends a second measurement start indication message to the peer MEP as the start delimiter of the second measurement.
  • Step S526 After receiving the second measurement start indication message, the peer MEP will be localized.
  • Step S528 The local MEP starts to send the test traffic, and the used measurement parameters are basically the same as the first measurement. The only difference is that the transmission bandwidth is no longer used, but the initial bandwidth is used instead.
  • the second measurement is completed, if the test traffic loss rate is 0, and the transmission rate meets the target accuracy requirement, the one-way throughput measurement ends, and the test traffic bandwidth used in this measurement is the measured throughput; If the test traffic loss rate is not 0, the third measurement is continued, and so on, until the test traffic loss rate is 0, and the transmission rate meets the target accuracy requirement.
  • Step S530 After a total of N measurements, a throughput that achieves the specified target accuracy in one direction can be obtained, where N times represent an indefinite number of times, the value is set with the initial bandwidth, the selection of the search algorithm, and the target accuracy.
  • the start time of step S508 is independent of steps S502 to S506.
  • FIG. 6 is a structural block diagram of a maintenance end node according to an embodiment of the present invention.
  • the maintenance end node includes: a transmission device 60, a first receiving device 62, a judging device 64, and a determining device 66.
  • the transmitting device 60 is configured to perform data packet transmission with another maintenance end node in the MPLS-TP network within a predetermined time period; the first receiving device 62 is configured to receive, after the predetermined time period, the other maintenance terminal The measurement information fed back by the node, where the measurement information is used to indicate the number of data packets transmitted by the other maintenance end node, and the determining device 64 is configured to determine, according to the measurement information, whether the packet is lost in the current data packet transmission, and if not Packet loss, whether the transmission rate meets the target accuracy requirement; the determining device 66 is configured to determine, according to the determining device, that no packet loss occurs in the current data packet transmission, and the transmission rate reaches the target accuracy requirement, and obtains the transmission data packet in the transmission direction. Throughput.
  • the hardware of the communication device itself needs to be upgraded (for example, the data packet traffic generator is increased), but the test instrument is not needed and can be started on the single end of the tested link (ie, the maintenance end node). It also measures two-way throughput or one-way throughput, saving manpower, material and time, thus reducing costs and simplifying operation and maintenance.
  • the maintenance end node may further include: a locking device 68, configured to lock the maintenance end node and lock the other maintenance end node.
  • the locking device 68 is connected to the transmission device 60 when the data packet is transmitted by the bidirectional transmission mode.
  • the maintenance end node at both ends of the locking transmission direction may further include the following processing: the maintenance end node turns on the diagnostic test function of the throughput measurement mode and Lock the maintenance node; maintain The end node sends an instruction to another maintenance end node to lock another maintenance end node.
  • the locking function of the locking device 68 before the test, the traffic of the MEP transmitted from one MEP to the other end is blocked, so that the test accuracy can be effectively improved.
  • the maintenance end node may further include: a first sending device 70, configured to send a first measurement start indication message to another maintenance end node when performing data packet transmission by using a bidirectional transmission manner,
  • the measurement start indication message carries the identification information of the measurement start, the indication information that another maintenance end node needs to send the data packet, and the configuration parameter used by another maintenance end node to send the data packet;
  • the second receiving device 78 is configured to When the data packet transmission is performed by the two-way transmission mode, the first measurement start reply message is received from another maintenance end node; and the second sending device 72 is configured to perform maintenance on the data packet transmission by the one-way transmission mode.
  • the end node sends a second measurement start indication message, where the measurement start indication message carries the identification information with the measurement start.
  • the third receiving device 80 is configured to receive a second measurement start reply message from another maintenance end node when the data packet is transmitted by using the one-way transmission mode. Both the bidirectional throughput measurement and the one-way throughput measurement can be initiated at the local MEP. As mentioned above, the measurement parameters of the test flow need to be configured before starting, and the target accuracy of the measurement is specified. If it is a two-way throughput measurement, the measurement start indication message sent by the local MEP to the peer MEP, in addition to being the start delimiter of the measurement (ie, the identification information of the measurement start), the carrier MEP is required to send the test traffic.
  • the command that is, the indication that the other maintenance node needs to send the data packet
  • the measurement parameter provided to the peer MEP as the configuration parameter when the peer MEP sends the test traffic (that is, the other maintenance node sends the data packet to use.
  • Configuration parameters If it is a one-way throughput measurement, the measurement start indication message sent by the local MEP to the peer MEP is only used as the start delimiter of the current measurement (ie, the identification information of the measurement start), and may not carry other content.
  • the first sending device 70 and the second sending device 72 are further configured to send a measurement end indication message to another maintenance end node, where the measurement end indication message is used to indicate the maintenance end node (ie, the local maintenance end node) ) This time the packet is sent.
  • the first transmitting device 70 and the second transmitting device 72 send a measurement end indication message to the other maintenance end node (ie, the opposite MEP) to indicate the end of the current measurement.
  • the peer MEP can effectively measure the number of received packets and provide feedback, which can provide a basis for subsequent packet loss calculation and simplify the measurement operation process.
  • the determining device 64 includes: a first determining unit 640, configured to determine a packet loss rate P1 in the forward direction and a packet loss in the reverse direction when the data packet is transmitted through the bidirectional transmission mode. Whether the rate P2 is 0 or not; the second determining unit 642 is configured to determine whether the packet loss rate P 1 in the forward direction is 0 when the data packet is transmitted by using the unidirectional transmission mode; wherein, the forward direction is the maintenance end node direction The direction in which the other maintenance node sends the data packet, and the reverse direction is the direction in which the other maintenance end node sends the data packet to the local maintenance end node.
  • the peer MEP sends a count message after the test traffic is sent and the measurement end indication message is received.
  • the count message also includes the number of packets sent and received by the peer MEP during a single measurement period, assuming local MEP.
  • the number of packets sent and the number of packets received during a single measurement are TX 1 and RX 1 respectively.
  • the number of packets and the number of packets received in the counting message received by the local MEP are TX2 and RX2, respectively, and the packet loss rates in the two directions are respectively Calculated as follows:
  • Reverse direction packet loss rate PLR reverse (ie, P2) (TX2 - RX1) / TX2 If it is a one-way throughput measurement, the peer MEP sends a count message after receiving the measurement end indication message, and the count message only contains the pair. The number of packets received by the MEP during a single measurement period. Assume that the number of packets sent by the local MEP during a single measurement is TX, and the number of packets received by the local MEP is RX. The one-way packet loss rate is calculated as follows.
  • the maintenance end node may further include: a first processing device 74, configured to perform packet transmission in a bidirectional transmission manner and lose packets in the current transmission, or the transmission rate does not meet the target accuracy requirement.
  • the bandwidth of the transport packet is changed successively by the binary search method, and the new bandwidth in the reverse direction is carried in the measurement start indication message and sent to the other maintenance end node until no packet is lost in the bidirectional transmission of the data packet.
  • the bidirectional transmission rate meets the target accuracy requirement; when the packet, or the transmission rate does not meet the target accuracy requirement, the bandwidth of the transmission data packet is changed successively by the binary search method until no packet loss occurs in the data packet transmission, and the transmission rate is reached.
  • Target accuracy requirements when the first processing device 74 changes the bandwidth of the data packet, it is not limited to use the binary search method to calculate the bandwidth of the next data packet, and the bandwidth of the next data packet may be calculated by other algorithms.
  • the number of measurements is an indefinite value, which is related to the initial bandwidth setting, the selection of the search algorithm, and the target accuracy.
  • the binary search method can quickly acquire the bandwidth of the next transmission packet, improve the measurement speed, and simplify the operation flow.
  • test instrument must be used and must be measured simultaneously across the tested link, without the need to test the meter and start and complete bidirectional throughput or one-way throughput measurements on the single end of the link under test. This greatly reduces the measurement cost of throughput and simplifies operation and maintenance.
  • modules or steps of the present invention can be implemented by a general-purpose computing device, which can be concentrated on a single computing device or distributed over a network composed of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device, such that they may be stored in the storage device by the computing device and, in some cases, may be different from the order herein.

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Abstract

本发明公开了一种吞吐量测量方法及维护端节点,上述方法应用于传输用多协议标签交换MPLS-TP网络,上述方法包括:MPLS-TP网络中的第一维护端节点在预定时间段内与MPLS-TP网络中的第二维护端节点进行数据包传输;在预定时间段之后,第一维护端节点接收来自于第二维护端节点反馈的测量信息,其中,测量信息用于指示第二维护端节点本次传输数据包的数量;第一维护端节点根据测量信息判断出本次数据包传输中不丢包,且传输速率达到目标精度的要求,获得传输数据包在传输方向的吞吐量。根据本发明提供的技术方案,可以节省测量成本并简化操作与维护。

Description

吞吐量测量方法及维护端节点 技术领域 本发明涉及数据通信领域,尤其涉及一种吞吐量测量方法及维护端节点。 背景技术 在当前各种数据通信网络中, 吞吐量作为一项重要的网络性能指标, 已 经成为网络运营商最关心的测试项之一。 标准组织互联网工程任务组 ( Internet Engineering Task Force, 简称为 IETF ) 在 1991 年 7 月发布的 RFC 1242标准中, 给出了吞吐量的初始定义, 吞吐量指的是设备在不丢包情 况下所能支持的最大转发速率。 从吞吐量最初的标准化定义来看, 当时的吞 吐量主要是针对单个特定的网络设备, 而随着吞吐量定义的扩展, 目前通信 行业里所说的吞吐量不仅可以针对单个网络设备, 也可以针对通信网络中一 段特定的包含多个网络设备的通信链路, 这时吞吐量的定义就引申为这一段 通信链路所能支持的不丢包情况下的最大传输速率。 随着数据网络通信在上世纪 90年代的高速发展, IETF在 1996年 5月发 布的 RFC1944标准, 提出了针对网络设备的一整套基本测试方法, 其中, 包 括吞吐量的测量方法, 其后在 1999年 5月, IETF又用新发布的 RFC2544标 准替代了 RFC 1944标准, 并一直沿用至今。 在标准 RFC2544中, 吞吐量的 测量方法被描述为: 使用测试仪表按照一定的发送速率向被测设备发送一定 数量的测试包,如果被测设备实际转发的测试包数量小于测试仪表所发送的, 则测试仪表降低发送速率重新发送, 如此反复, 直到找到不丢包的最大发送 速率即为被测设备的吞吐量。 基于 RFC2544标准提出的吞吐量测量的基本方法, 在实际操作中,业界 一般釆用二分搜索法来测量被测通信设备或被测通信链路的吞吐量, 二分搜 索法的搜索原理举例如下:假设被测通信设备或被测通信链路的吞吐量为 A, 手工配置的目标精度为 a, 手工配置的发送测试流量的初始带宽为 B (要求 B>A, 否则釆用二分搜索法无法测量吞吐量)。 第 1 次测量使用 B为带宽发 送测试流量, 出现丢包, 于是第 2次测量使用 B/2为带宽发送测试流量。 如 果第 2次测量没有出现丢包, 则要判断该次测量使用的带宽是否达到了目标 精度的要求, 判断方法如下: 如果本次测量所使用带宽与前一次测量所使用 带宽的差值除以本次测量所使用带宽得到的商值 (在本例中该商值为 (Β-Β/2)/(Β/2)=1 ), 小于或等于目标精度 a, 则认为本次测量所使用带宽达到 了目标精度的要求; 如果该商值大于目标精度 a, 则认为本次测量所使用带 宽没有达到目标精度的要求。 如果判断结果是第 2次测量传输带宽达到了目 标精度的要求, 则吞吐量测量结束, 该传输带宽即为搜索到的吞吐量; 如果 判断结果是第 2次测量传输带宽没有达到目标精度的要求, 则第 3次测量使 用(B+B/2)/2为带宽发送测试流量。 如果第 2次测量出现丢包, 则第 3次测量 使用(0+B/2)/2为带宽发送测试流量, 依此类推, 通过多次测量, 最终搜索到 达到目标精度的吞吐量。 图 1是使用测试仪表测量通信链路吞吐量的示意图, 如图 1所示, 测试 仪表 1和 2分别连接到被测链路两端的提供商边缘设备 ( Provider Edge, 简 称为 PE ), 且测试仪表 1和 2还要通过专门的通信链路 (一般是低速链路) 级联起来, 以便由单个测试仪表控制软件集中控制, 两个 PE之间可能有提 供商中间设备 (Provider Device, 简称为 P )。 开始测量吞吐量前, 首先要配 置测量参数和目标精度, 其中, 测量参数包括: 测试流量的初始带宽、 发送 时长、 测试包大小、 测试包优先级和测试包的样式; 初始带宽一般配置为被 测链路的最大物理带宽; 发送时长指的是每次发送测试流量的时长; 测试包 大小和优先级会影响吞吐量的测量结果, 一般来说, 吞吐量的测量要覆盖各 种典型的测试包大小和所有的优先级; 测试包的样式一般可以配置为伪随机 码, 以更好地模拟真实的业务流量。 开始测量吞吐量后, 由测试仪表控制软件根据配置的测量参数控制测试 流量的发送, 同时监控测试流量的接收, 并在每一次测量完成后计算出丢包 率和 居前述二分搜索法计算出下一次测量使用的带宽, 之后再启动下一次 测量, 直到搜索到达到指定目标精度的吞吐量。 目前, 一种正在由两大标准组织 IETF和 ITU-T共同研究中的被称为传 输用多协议标签交换 ( Multi-Protocol Label Switching-Transport Profile, 简称 为 MPLS-TP ) 的技术希望能增强传统多协议标签交换 ( Multi-Protocol Label Switching,简称为 MPLS )技术的操作、管理和维护( Operation, Administration and Maintenance, 简称为 OAM )的能力, 它定义了一系列的 OAM功能实体, 并提出了基于这些功能实体的一系列 OAM功能需求。 其中一种 OAM功能 被称为诊断测试 (Diagnostic Tests ) 功能, 而吞吐量测量则是诊断测试功能 需求中最主要的一项, 目前还没有公开满足该功能需求的技术方案。 图 2 是 MPLS-TP 网络中 OAM功能实体示意图。 如图 2 所示, 位于 MPLS-TP 网络边缘的 PE 设备上可以基于端口创建一个或多个维护端节点 ( Maintenance End Point, 简称为 MEP ), 位于 MPLS-TP网络中间的 P设备 上可以基于端口创建一个或多个维护中间点( Maintenance Intermediate Point, 简称为 MIP )。 在 MPLS-TP的 OAM功能需求中明确要求吞吐量测量能够在 MEP与 MEP之间执行, 且两端的 MEP可以位于伪线 ( Pseudowire , 简称为 PW )层、标签交换路径 ( Label Switched Path, 简称为 LSP )层或段( Section ) 层。 标准组织之所以对 MPLS-TP 网络提出基于 MEP 的吞吐量测量功能需 求, 是因为如果使用测试仪表测量通信链路的吞吐量, 需要在链路两端同时 配备测试仪表和操作人员, 且要求测试仪表通过专门通信链路级联, 测量成 本很高; 实际测量时, 还需要操作人员把测试仪表的收发端口手工连接到被 测通信链路的端口, 费时费力且可能造成错连, 操作和维护比较复杂。 发明内容 针对相关技术中使用测试仪表测量通信链路的吞吐量, 测量成本很高并 且操作与维护比较复杂的问题, 本发明的主要目的在于提供一种吞吐量测量 方法及维护端节点, 以解决上述问题至少之一。 根据本发明的一个方面, 提供了一种吞吐量测量方法。 才艮据本发明的吞吐量测量方法,应用于 MPLS-TP网络, 包括: MPLS-TP 网络中的第一维护端节点在预定时间段内与 MPLS-TP 网络中的第二维护端 节点进行数据包传输; 在预定时间段之后, 第一维护端节点接收来自于第二 维护端节点反馈的测量信息, 其中, 测量信息用于指示第二维护端节点本次 传输数据包的数量; 第一维护端节点根据测量信息判断出本次数据包传输中 不丢包, 且传输速率达到目标精度的要求, 获得传输数据包在传输方向的吞 吐量。 根据本发明的另一方面, 提供了一种维护端节点。 根据本发明的维护端节点包括: 传输装置, 用于在预定时间段内与
MPLS-TP网络中的另一维护端节点进行数据包传输; 第一接收装置, 用于在 预定时间段之后, 接收来自于另一维护端节点反馈的测量信息, 其中, 测量 信息用于指示另一维护端节点本次传输数据包的数量; 判断装置, 用于根据 测量信息判断本次数据包传输中是否丢包, 以及如果不丢包, 传输速率是否 达到目标精度的要求; 确定装置, 用于根据判断装置判断出本次数据包传输 中不丢包, 且传输速率达到目标精度的要求, 获得传输数据包在传输方向的 吞吐量。 通过本发明, 吞吐量测量启动后, MPLS-TP 网络中的本地维护端节点
( MEP )在预定时间段内与该 MPLS-TP网络中的对端 MEP进行数据包传输, 单次测量结束后, 对端 MEP 会把单次测量中的收发包信息 (即测量信息) 通过计数消息发送给本地 MEP, 用于计算单次测量丢包率; 当丢包率为零且 传输速率达到目标精度的要求时, 可以在本地 MEP 确定传输数据包在该传 输方向的吞吐量, 解决了相关技术中使用测试仪表测量通信链路的吞吐量, 测量成本很高并且操作与维护比较复杂的问题, 进而可以节省测量成本并简 化操作与维护。 附图说明 此处所说明的附图用来提供对本发明的进一步理解, 构成本申请的一部 分, 本发明的示意性实施例及其说明用于解释本发明, 并不构成对本发明的 不当限定。 在附图中: 图 1是相关技术中使用测试仪表测量通信链路吞吐量的示意图; 图 2是 MPLS-TP网络中 OAM功能实体的示意图; 图 3是根据本发明实施例的吞吐量测量方法的流程图; 图 4是根据本发明实例一的吞吐量测量方法的流程图; 图 5是根据本发明实例二的吞吐量测量方法的流程图; 图 6是 居本发明实施例的维护端节点的结构框图; 图 7是 居本发明优选实施例的维护端节点的结构框图。 具体实施方式 下文中将参考附图并结合实施例来详细说明本发明。 需要说明的是, 在 不冲突的情况下, 本申请中的实施例及实施例中的特征可以相互组合。 在 MPLS-TP网络中, 基于端口创建的一个或多个维护端节点 (MEP ), 可以作为本地 MEP (以下称第一维护端节点;), 与该本地 MEP的对端 MEP (以下称第二维护端节点) 之间传输数据包, 通过第二维护端节点反馈的数 据包收发测量信息, 可以确定传输数据包在传输方向的吞吐量。 图 3是根据本发明实施例的吞吐量测量方法的流程图。 该吞吐量测量方 法包括以下步 4聚: 步 4聚 S302 : MPLS-TP 网络中的第一维护端节点在预定时间段内与 MPLS-TP网络中的第二维护端节点进行数据包传输; 步骤 S304: 在预定时间段之后, 第一维护端节点接收来自于第二维护端 节点反馈的测量信息, 其中, 测量信息用于指示第二维护端节点本次传输数 据包的数量; 步骤 S306: 第一维护端节点根据测量信息判断出本次数据包传输中不丢 包,且传输速率达到目标精度的要求,获得传输数据包在传输方向的吞吐量。 相关技术中, 使用测试仪表测量通信链路的吞吐量, 需要在链路两端同 时配备测试仪表和操作人员, 且要求测试仪表通过专门通信链路级联, 因而 费时费力, 且测量成本 4艮高。 釆用上述方法, 无需测试仪表且在被测链路单 端就能启动并完成双向吞吐量或单向吞吐量的测量。节省人力、物力及时间, 因而可以降低成本并简化操作与维护。 优选地, 在执行步骤 S302 之前, 还可以包括以下处理: 锁定第一维护 端节点和第二维护端节点。 在具体实施过程中, 锁定第一维护端节点和第二维护端节点可以包括以 下处理: 第一维护端节点开启吞吐量测量模式的诊断测试功能, 并锁定第一 维护端节点; 第一维护端节点向第二维护端节点发送指令以锁定第二维护端 节点。 通过上述锁定处理, 在测试之前, 可以阻止两个传输方向上某一端 MEP 往另一端 MEP传输的业务流量通过, 因而可以有效提高测试精确度。 优选地, 第一维护端节点与第二维护端节点通过以下方式进行数据包传 输: 双向传输方式。 通过双向传输方式进行数据包传输是为了进行双向吞吐 量测量。 以下对双向吞吐量测量的过程进行描述。 优选地, 在执行步骤 S302 之前, 对于双向吞吐量测量, 第一维护端节 点向第二维护端节点发送测量开始指示消息, 其中, 测量开始指示消息携带 有测量开始的标识信息、 第二维护端节点需要发送数据包的指示信息、 以及 第二维护端节点发送数据包使用的配置参数; 第一维护端节点接收来自于第 二维护端节点的测量开始回复消息。 优选地, 配置参数可以包括: 第二维护端节点本次发送数据包使用的带 宽、 发送时长、 数据包大小、 数据包优先级和数据包样式。 在进行双向吞吐量测量时, 第一维护端节点向第二维护端节点发送测量 开始指示消息除了指示本次测量开始, 还包含指示上述第二维护端节点发送 数据包的配置信息等信息, 通过上述处理, 可以有效执行后续双向吞吐量测 量, 简化操作流程。 优选地, 对于双向吞吐量测量, 在第一维护端节点本次完成数据包发送 时, 第一维护端节点需要向第二维护端节点发送测量结束指示消息, 其中, 测量结束指示消息用于指示第一维护端节点本次发送数据包结束; 在第二维 护端节点接收到该测量结束指示消息, 且确定自己本次发送数据包结束后, 第一维护端节点接收来自于第二维护端节点的测量结束回复消息, 也可称为 计数消息, 其中, 测量结束回复消息携带有第二维护端节点的收发包数。 本地 MEP向对端 MEP发送测量结束指示消息指示本地 MEP本次发送 数据包结束, 使得对端 MEP可以有效测量接收到的数据包数量并进行反馈, 从而可以为后续丢包率计算提供依据, 简化测量操作流程。 优选地, 步 4聚 S306 可以进一步包括以下处理: 第一维护端节点判断前 向方向的丢包率 P1和反向方向的丢包率 P2是否同时为 0, 其中, 前向方向 为第一维护端节点向第二维护端节点发送数据包的方向, 反向方向为第二维 护端节点向第一维护端节点发送数据包的方向。 通过上述计算处理可以准确计算双向数据包传输过程中的丢包率, 才艮据 计算结果判断是否存在丢包现象, 再结合对传输速率是否达到目标精度的要 求的判断, 可以确定是否有必要执行下一次吞吐量测量。 并且该算法简单易 实现。 优选地, 如果第一维护端节点判断本次数据包传输中丢包, 或是传输速 率没有达到目标精度的要求, 则第一维护端节点釆用二分搜索法逐次改变传 输数据包的带宽, 并将反向方向新的带宽携带在测量开始指示消息中发送至 第二维护端节点, 重复上述过程, 直至数据包双向传输中均不丢包, 且双向 传输速率均达到目标精度要求。 在执行一次数据包双向传输时, 出现丢包现象, 或传输速率没有达到目 标精度的要求, 则无法确定传输方向的吞吐量, 需要执行下一次吞吐量测量, 因而需要改变传输带宽传输数据包, 如此反复多次, 在出现不丢包、 且传输 速率达到目标精度要求的情况下, 可以确定本次传输带宽即为传输方向的吞 吐量。 通过上述处理, 可以准确确定传输方向的吞吐量, 并使该吞吐量满足 一定精度需求。 其中, 釆用二分搜索法,可以快速获取下一次发送数据包所使用的带宽, 简化操作流程。 以下结合图 4对上述过程进行描述。 图 4是根据本发明实例一的吞吐量测量方法的流程图。 实例一主要描述 MPLS-TP网络中双向吞吐量测量的过程。 如图 4所示, 该吞吐量测量方法包 括以下步 4聚: 步骤 S402: 在 MPLS-TP 网络的本地 MEP上开启模式为吞吐量测量的 诊断测试功能,该 MEP随即被锁定,也即该 MEP会阻止所有业务流量通过; 步骤 S404: 本地 MEP除了自己被锁定, 还将向对端 MEP发送命令锁定 消息, 以锁'定对端 MEP; 步骤 S406: 对端 MEP在收到命令锁定消息后, 也会被锁定, 并回复命 令锁定回复消息, 指示收到命令并锁定成功; 步骤 S408: 在本地 MEP上启动双向吞吐量测量, 在启动之前需要配置 测试流量的初始带宽、 发送时长、 测试包大小、 测试包优先级和测试包的样 式, 并指定测量的目标精度; 步骤 S410: 本地 MEP向对端 MEP发送第 1次测量开始指示消息,作为 第 1 次测量的开始定界符 (即测试开始的标识信息), 并同时在该消息中携 带本地 MEP 上所配置的测试流量的初始带宽、 发送时长、 测试包大小、 测 试包优先级和测试包的样式, 要求对端 MEP依此发送测试流量; 步骤 S412: 在接收到第 1次测量开始指示消息后, 对端 MEP会向本地 MEP回复第 1次测量开始回复消息; 步骤 S414: 本地 MEP依据之前所配置的测量参数开始发送测试流量, 达到发送时长后结束发送; 对端 MEP则依据接收到的第 1 次测量开始指示 消息携带的测量参数开始发送测试流量, 达到发送时长后结束发送; 步骤 S416:本地 MEP在结束发送测试流量后向对端 MEP发送第 1次测 量结束指示消息, 作为第 1次测量的结束定界符; 步骤 S418:在接收到第 1次测量结束指示消息并且结束发送测试流量后 , 对端 MEP会向本地 MEP发送计数消息, 该消息携带第 1 次测量期间对端 MEP的收发包数; 步骤 S420: 本地 MEP在收到计数消息后, 会分别计算两个方向的测试 流量丢包率, 计算结果会决定后续步骤是否执行; 其中, 果 Forward方向丢包率和 Reverse方向丢包率啫为 0, 则双向吞 吐量测量结束, 即后续步 4聚不再执行, 初始带宽即为测量到的 Forward方向 的吞吐量, 同时也是测量到的 Reverse方向的吞吐量; 其中, 如果 Forward方向丢包率和 Reverse方向丢包率不都为 0, 则双向 吞吐量测量继续, 即继续执行步 4聚 S422; 步骤 S422: 本地 MEP釆用二分搜索法分别计算两个方向下一次发送测 试流量使用的带宽, 用以替换测量参数中的初始带宽; 在具体实施过程中, 本地 MEP 也可以釆用其它算法分别计算两个方向 下一次发送测试流量使用的带宽。 步骤 S424: 本地 MEP向对端 MEP发送第 2次测量开始指示消息, 内容 和作用基本与步 4聚 S410 中的第 1 次测量开始指示消息相同, 唯一不同的是 把初始带宽替换为釆用二分搜索法计算出的 Reverse方向带宽; 步骤 S426: 在接收到第 2次测量开始指示消息后, 对端 MEP会向本地
MEP回复第 2次测量开始回复消息; 步骤 S428: 两端开始发送测试流量, 使用的测量参数与第 1次测量基本 相同, 唯一不同的是发送带宽, 不再使用初始带宽, 而是使用釆用二分搜索 法对两个方向所分别计算出的带宽; 在执行步骤 S428之后, 第 2次测量的信令和计算过程与第 1次测量一 致。 第 2次测量完成后, 如果 Forward方向丢包率和 Reverse方向丢包率都 为 0, 且两个方向的传输速率都达到了目标精度的要求, 则双向吞吐量测量 结束, 本次测量使用的两个方向的测试流量带宽即为测量到的吞吐量; 如果 Forward方向丢包率和 Reverse方向丢包率不都为 0,则继续执行第 3次测量, 以 jt匕类 4舞, 直至 Forward方向丢包率和 Reverse方向丢包率 卩为 0, 且两个方 向的传输速率都达到目标精度的要求。 步骤 S430: 经过总共 N次的测量, 可以分别获得两个方向达到指定目 标精度的吞吐量, 这里的 N次代表不定次数, 取值和初始带宽的设定, 搜索 算法的选取, 以及目标精度有关。 其中, 步 4聚 S408的开始时间独立于步 4聚 S402-S406; 步 4聚 S414中两端 既可以同步发送测试流量, 也可以异步发送。 优选地, 第一维护端节点与第二维护端节点也可以通过单向传输方式进 行数据包传输。 通过单向传输方式进行数据包传输是为了进行单向吞吐量测 量。 以下对单向吞吐量测量的过程进行描述。 优选地, 在执行步骤 S302 之前, 对于单向吞吐量测量, 第一维护端节 点向第二维护端节点发送测量开始指示消息, 其中, 测量开始指示消息携带 有测量开始的标识信息; 第一维护端节点接收来自于第二维护端节点的测量 开始回复消息。 在进行单向吞吐量测量时, 第一维护端节点向第二维护端节点发送测量 开始指示消息指示本次测量开始, 通过上述处理, 可以有效执行后续单向吞 吐量测量, 简化操作流程。 优选地, 对于单向吞吐量测量, 在本地 MEP 完成本次数据包发送时, 第二维护端节点接收来自于第一维护端节点的测量结束指示消息, 其中, 测 量结束指示消息用于指示第一维护端节点本次发送数据包结束; 第一维护端 节点接收来自于第二维护端节点的测量结束回复消息, 也称为计数消息, 其 中, 测量结束回复消息携带有第二维护端节点的收包数。 本地 MEP向对端 MEP发送测量结束指示消息指示本地 MEP本次发送 数据包结束, 使得对端 MEP可以有效测量接收到的数据包数量并进行反馈, 从而可以为后续丢包率计算提供依据, 简化测量操作流程。 优选地, 第一维护端节点根据测量信息判断本次数据包传输中是否丢包 包括: 第一维护端节点判断前向方向的丢包率 P1是否为 0, 其中, 前向方向 为第一维护端节点向第二维护端节点发送数据包的方向。 通过上述计算处理可以准确计算单向数据包传输过程中的丢包率, 才艮据 计算结果判断是否存在丢包现象, 结合对传输速率是否达到目标精度要求的 判断,可以确定是否有必要执行下一次吞吐量测量。并且该算法简单易实现。 优选地, 如果第一维护端节点判断本次数据包传输中丢包, 或者传输速 率没有达到目标精度的要求, 则第一维护端节点釆用二分搜索法逐次改变传 输数据包的带宽, 重复上述过程, 直至数据包传输中不丢包, 且传输速率达 到目标精度的要求。 通过上述处理, 可以准确确定传输方向的吞吐量, 并使该吞吐量满足一 定精度需求。 其中, 釆用二分搜索法,可以快速获取下一次发送数据包所使用的带宽, 简化操作流程。 以下结合图 5对上述过程进行描述。 图 5是 居本发明实例二的吞吐量测量方法的流程图。 实例二主要描述 MPLS-TP网络中单向吞吐量测量的过程。 如图 5所示, 该吞吐量测量方法包 括以下步 4聚: 步骤 S502: 在 MPLS-TP 网络的本地 MEP上开启模式为吞吐量测量的 诊断测试功能,该 MEP随即被锁定,也即该 MEP会阻止所有业务流量通过; 步骤 S504: 本地 MEP除了自己被锁定, 还将向对端 MEP发送命令锁定 消息, 以锁'定对端 MEP; 步骤 S506: 对端 MEP在收到命令锁定消息后, 也会被锁定, 并回复命 令锁定回复消息, 指示收到命令并锁定成功; 步骤 S508: 在本地 MEP上启动单向吞吐量测量, 在启动之前需要配置 测试流量的初始带宽、 发送时长、 测试包大小、 测试包优先级和测试包的样 式, 并指定测量的目标精度; 步骤 S510〜S518:本地 MEP向对端 MEP发送第 1次测量开始指示消息, 作为第 1次测量的开始定界符; 在接收到第 1次测量开始指示消息后, 对端 MEP会向本地 MEP回复第 1次测量开始回复消息;之后本地 MEP依据之前 所配置的测量参数开始发送测试流量, 达到发送时长后结束发送; 结束发送 测试流量后本地 MEP向对端 MEP发送第 1次测量结束指示消息, 作为第 1 次测量的结束定界符; 在接收到第 1 次测量结束指示消息后, 对端 MEP会 向本地 MEP发送计数消息,该消息携带第 1次测量期间对端 MEP的收包数; 步骤 S520: 本地 MEP 在收到计数消息后, 会计算出单向 (本地 MEP 往对端 MEP方向) 的测试流量丢包率, 计算结果会决定后续步骤是否执行; 其中, 如果测试流量丢包率为 0, 则单向吞吐量测量结束, 即后续步骤 不再执行, 初始带宽即为测量到的单向吞吐量; 其中, 如果测试流量丢包率不为 0, 则单向吞吐量测量继续, 即后续步 骤继续执行; 步骤 S522:本地 MEP釆用二分搜索法计算出本地 MEP下一次发送测试 流量使用的带宽, 用以替换测量参数中的初始带宽; 在具体实施过程中, 本地 MEP 也可以釆用其它算法来计算此方向下一 次发送测试流量使用的带宽。 步骤 S524: 本地 MEP向对端 MEP发送第 2次测量开始指示消息,作为 第 2次测量的开始定界符; 步骤 S526: 在接收到第 2次测量开始指示消息后, 对端 MEP会向本地 MEP回复第 2次测量开始回复消息; 步骤 S528: 本地 MEP开始发送测试流量, 使用的测量参数与第 1次测 量基本相同, 唯一不同的是发送带宽, 不再使用初始带宽, 而是使用釆用二 分搜索法所计算出的带宽; 在执行步骤 S528之后, 第 2次测量的信令和计算过程与第 1次测量一 致。 第 2次测量完成后, 如果测试流量丢包率为 0, 且传输速率达到了目标 精度的要求, 则单向吞吐量测量结束, 本次测量使用的测试流量带宽即为测 量到的吞吐量; 如果测试流量丢包率不为 0, 则继续执行第 3次测量, 以此 类推, 直至测试流量丢包率为 0, 且传输速率达到目标精度的要求。 步骤 S530: 经过总共 N次的测量, 可以获得单向达到指定目标精度的 吞吐量, 这里的 N次代表不定次数, 取值和初始带宽的设定, 搜索算法的选 取, 以及目标精度有关。 其中, 步骤 S508的开始时间独立于步骤 S502〜S506。 图 6是才艮据本发明实施例的维护端节点的结构框图。该维护端节点包括: 传输装置 60、 第一接收装置 62、 判断装置 64、 以及确定装置 66。 传输装置 60 , 用于在预定时间段内与 MPLS-TP网络中的另一个维护端 节点进行数据包传输; 第一接收装置 62 , 用于在预定时间段之后, 接收来自于上述另一个维护 端节点反馈的测量信息, 其中, 测量信息用于指示上述另一个维护端节点本 次传输数据包的数量; 判断装置 64 , 用于根据测量信息判断本次数据包传输中是否丢包, 以及 如果不丢包, 传输速率是否达到目标精度的要求; 确定装置 66 , 用于根据判断装置判断出本次数据包传输中不丢包, 且传 输速率达到目标精度的要求, 获得传输数据包在传输方向的吞吐量。 在本发明实施例中,对于通信设备本身的硬件需要进行一定升级(例如 , 增加数据包流量发生器),但无需测试仪表且在被测链路单端(即该维护端节 点) 就能启动并完成双向吞吐量或单向吞吐量的测量, 节省人力、 物力及时 间, 因而可以降低成本并简化操作与维护。 优选地, 如图 7所示, 上述维护端节点还可以包括: 锁定装置 68 , 用于 锁定上述维护端节点和锁定上述另一个维护端节点。 其中, 当通过双向传输方式进行数据包传输时, 锁定装置 68 与传输装 置 60 相连接, 锁定传输方向两端的维护端节点进一步可以包括以下处理: 维护端节点开启吞吐量测量模式的诊断测试功能并锁定该维护端节点; 维护 端节点向另一个维护端节点发送指令以锁定另一个维护端节点。 通过锁定装置 68 的锁定功能, 在测试之前, 阻止一端 MEP 往另一端 MEP传输的业务流量通过, 因而可以有效提高测试 ^青确度。 优选地, 如图 7所示, 该维护端节点还可以包括: 第一发送装置 70 , 用 于在通过双向传输方式进行数据包传输时, 向另一个维护端节点发送第一测 量开始指示消息, 其中, 测量开始指示消息携带有测量开始的标识信息、 另 一个维护端节点需要发送数据包的指示信息、 以及另一个维护端节点发送数 据包使用的配置参数; 第二接收装置 78 , 用于在通过双向传输方式进行数据 包传输时, 接收来自于另一个维护端节点的第一测量开始回复消息; 第二发 送装置 72 , 用于在通过单向传输方式进行数据包传输时, 向另一个维护端节 点发送第二测量开始指示消息, 其中, 测量开始指示消息携带有测量开始的 标识信息。 第三接收装置 80 , 用于在通过单向传输方式进行数据包传输时, 接收来自于另一个维护端节点的第二测量开始回复消息。 双向吞吐量测量或单向吞吐量测量都可以在本地 MEP启动, 如前所述, 启动前需要配置测试流量的测量参数, 并指定测量的目标精度。 如果是双向吞吐量测量, 则本地 MEP向对端 MEP发送的测量开始指示 消息, 除了作为本次测量的开始定界符 (即测量开始的标识信息), 还需要携 带要求对端 MEP 发送测试流量的命令(即另一个维护端节点需要发送数据 包的指示信息)和提供给对端 MEP的测量参数, 作为对端 MEP发送测试流 量时的配置参数 (即上述另一个维护端节点发送数据包使用的配置参数)。 如果是单向吞吐量测量, 则本地 MEP向对端 MEP发送的测量开始指示 消息只作为本次测量的开始定界符(即测量开始的标识信息), 可以不携带其 它内容。 优选地, 第一发送装置 70和第二发送装置 72 , 还用于向另一个维护端 节点发送测量结束指示消息, 其中, 该测量结束指示消息用于指示上述维护 端节点 (即本地维护端节点) 本次发送数据包结束。 第一发送装置 70和第二发送装置 72向另一个维护端节点(即对端 MEP ) 发送测量结束指示消息指示本次测量结束。 使得对端 MEP 可以有效测量接 收到的数据包数量并进行反馈, 从而可以为后续丢包率计算提供依据, 简化 测量操作流程。 优选地, 如图 7所示, 判断装置 64包括: 第一判断单元 640 , 用于在通 过双向传输方式进行数据包传输时, 判断前向方向的丢包率 P 1 和反向方向 的丢包率 P2是否为 0; 第二判断单元 642 , 用于在通过单向传输方式进行数 据包传输时, 判断前向方向的丢包率 P 1是否为 0; 其中, 前向方向为维护端 节点向另一个维护端节点发送数据包的方向, 反向方向为另一个维护端节点 向本地维护端节点发送数据包的方向。 如果是双向吞吐量测量, 则对端 MEP 会在结束发送测试流量并且收到 测量结束指示消息后发送计数消息, 该计数消息同时包含对端 MEP 在单次 测量期间的收发包数, 假设本地 MEP 在单次测量期间的发包数和收包数分 别为 TX 1和 RX 1 ,本地 MEP收到的计数消息中的发包数和收包数分别为 TX2 和 RX2 , 则两个方向的丢包率分别计算如下:
Forward方向丢包率 PLRforward (即 P 1 ) = ( TX1 - RX2 ) / TX1
Reverse方向丢包率 PLRreverse (即 P2 ) = ( TX2 - RX1 ) / TX2 如果是单向吞吐量测量, 则对端 MEP 会在接收到测量结束指示消息后 发送计数消息, 该计数消息只包含对端 MEP 在单次测量期间的收包数, 假 设本地 MEP在单次测量期间的发包数为 TX, 本地 MEP收到的计数消息中 的收包数为 RX, 则单向的丢包率计算如下: 丢包率 PLR (即 P 1 ) = ( TX - RX ) / TX 通过上述计算处理可以准确计算双向或单向数据包传输过程中的丢包 率, 根据计算结果判断是否存在丢包现象, 结合对传输速率是否达到目标精 度要求的判断, 可以确定是否有必要执行下一次吞吐量测量。 并且该算法简 单易实现。 优选地, 如图 7所示, 维护端节点还可以包括: 第一处理装置 74 , 用于 在通过双向传输方式进行数据包传输且本次传输中丢包, 或者传输速率没达 到目标精度的要求时, 釆用二分搜索法逐次改变传输数据包的带宽, 并将反 向方向新的带宽携带在测量开始指示消息中发送至上述另一个维护端节点, 直至数据包双向传输中均不丢包, 且双向传输速率均达到目标精度要求; 第 包, 或者传输速率没达到目标精度的要求时, 釆用二分搜索法逐次改变传输 数据包的带宽, 直至数据包传输中不丢包,且传输速率达到目标精度的要求。 在具体实施过程中, 第一处理装置 74 改变传输数据包的带宽时, 不限 于使用二分搜索法计算下一次传输数据包的带宽, 还可以通过其它算法计算 下一次传输数据包的带宽。 在具体实施过程中, 可能需要经过一定次数的测量, 才能最终获得达到 指定目标精度的吞吐量。 测量次数是一个不定值, 它和初始带宽的设定, 搜 索算法的选取, 以及目标精度有关。 通过二分搜索法可以快速获取下一次传输数据包的带宽,提高测量速度, 简化操作流程。 综上所述, 借助本发明提供的上述实施例, 提供了基于 OAM功能实体 的 MPLS-TP 网络中测量吞吐量 (包括双向吞吐量测量和单向吞吐量测量) 的方案, 克服了当前技术方案必须使用测试仪表且必须在被测链路两端同时 测量的问题, 无需测试仪表且在被测链路单端就能启动并完成双向吞吐量或 单向吞吐量的测量。从而大大降低了吞吐量的测量成本并简化了操作和维护。 显然, 本领域的技术人员应该明白, 上述的本发明的各模块或各步骤可 以用通用的计算装置来实现, 它们可以集中在单个的计算装置上, 或者分布 在多个计算装置所组成的网络上, 可选地, 它们可以用计算装置可执行的程 序代码来实现, 从而, 可以将它们存储在存储装置中由计算装置来执行, 并 且在某些情况下, 可以以不同于此处的顺序执行所示出或描述的步骤, 或者 将它们分别制作成各个集成电路模块, 或者将它们中的多个模块或步骤制作 成单个集成电路模块来实现。 这样, 本发明不限制于任何特定的硬件和软件 结合。 以上所述仅为本发明的优选实施例而已, 并不用于限制本发明, 对于本 领域的技术人员来说, 本发明可以有各种更改和变化。 凡在本发明的 ^"神和 原则之内, 所作的任何修改、 等同替换、 改进等, 均应包含在本发明的保护 范围之内。

Claims

权 利 要 求 书
1. 一种吞吐量测量方法, 应用于传输用多协议标签交换 MPLS-TP 网络, 其特征在于, 包括: 所述 MPLS-TP 网络中的第一维护端节点在预定时间段内与所述 MPLS-TP网络中的第二维护端节点进行数据包传输;
在所述预定时间段之后, 所述第一维护端节点接收来自于所述第二 维护端节点反馈的测量信息, 其中, 所述测量信息用于指示所述第二维 护端节点本次传输所述数据包的数量;
所述第一维护端节点根据所述测量信息判断出本次数据包传输中不 丢包, 且传输速率达到目标精度的要求, 获得传输所述数据包在所述传 输方向的吞吐量。
2. 根据权利要求 1所述的方法, 其特征在于, 在所述第一维护端节点与所 述第二维护端节点进行数据包传输之前, 还包括: 锁定所述第一维护端节点和所述第二维护端节点。
3. 根据权利要求 2所述的方法, 其特征在于, 锁定所述第一维护端节点和 所述第二维护端节点包括:
所述第一维护端节点开启吞吐量测量模式的诊断测试功能, 并锁定 所述第一维护端节点;
所述第一维护端节点向所述第二维护端节点发送指令以锁定所述第 二维护端节点。
4. 根据权利要求 1所述的方法, 其特征在于, 所述第一维护端节点与第二 维护端节点通过以下方式进行数据包传输: 双向传输方式。
5. 根据权利要求 4所述的方法, 其特征在于, 在所述第一维护端节点与第 二维护端节点进行数据包传输之前, 还包括: 所述第一维护端节点向所述第二维护端节点发送测量开始指示消 息, 其中, 所述测量开始指示消息携带有测量开始的标识信息、 所述第 二维护端节点发送数据包的指示信息、 以及所述第二维护端节点发送数 据包使用的配置参数; 所述第一维护端节点接收来自于所述第二维护端节点的测量开始回 复消息。
6. 根据权利要求 5所述的方法, 其特征在于, 所述配置参数包括:
所述第二维护端节点本次发送数据包使用的带宽、 发送时长、 数据 包大小、 数据包优先级、 数据包样式。
7. 根据权利要求 4所述的方法, 其特征在于, 还包括:
所述第一维护端节点向所述第二维护端节点发送测量结束指示消 息, 其中, 所述测量结束指示消息用于指示所述第一维护端节点本次发 送数据包结束;
所述第一维护端节点接收来自于所述第二维护端节点的测量结束回 复消息即计数消息, 其中, 所述测量结束回复消息携带有所述第二维护 端节点的收发包数。
8. 根据权利要求 4至 7中任一项所述的方法, 其特征在于, 所述第一维护 端节点根据所述测量信息判断本次数据包传输中是否丢包包括:
所述第一维护端节点判断前向方向的丢包率 P1 和反向方向的丢包 率 P2是否同时为 0, 其中, 所述前向方向为所述第一维护端节点向所述 第二维护端节点发送数据包的方向, 所述反向方向为所述第二维护端节 点向所述第一维护端节点发送数据包的方向。
9. 根据权利要求 4至 7中任一项所述的方法, 其特征在于, 还包括: 如果 所述第一维护端节点判断本次数据包传输中丢包, 或者传输速率没有达 到目标精度的要求, 则所述第一维护端节点釆用二分搜索法逐次改变传 输数据包的带宽, 并将反向方向新的带宽携带在所述测量开始指示消息 中发送至所述第二维护端节点, 直至数据包双向传输中均不丢包且传输 速率达到目标精度的要求。
10. 根据权利要求 1所述的方法, 其特征在于, 所述第一维护端节点与第二 维护端节点通过以下方式进行数据包传输: 单向传输方式。
11. 根据权利要求 10所述的方法, 其特征在于, 在所述第一维护端节点与第 二维护端节点进行数据包传输之前, 还包括: 所述第一维护端节点向所述第二维护端节点发送测量开始指示消 息, 其中, 所述测量开始指示消息携带有测量开始标识信息; 所述第一维护端节点接收来自于所述第二维护端节点的测量开始回 复消息。
12. 居权利要求 10所述的方法, 其特征在于, 还包括:
所述第一维护端节点向所述第二维护端节点发送测量结束指示消 息, 其中, 所述测量结束指示消息用于指示所述第一维护端节点本次发 送数据包结束;
所述第一维护端节点接收来自于所述第二维护端节点的测量结束回 复消息即计数消息, 其中, 所述测量结束回复消息携带有所述第二维护 端节点的收包数。
13. 根据权利要求 10至 12中任一项所述的方法, 其特征在于, 所述第一维 护端节点根据所述测量信息判断本次数据包传输中是否丢包包括: 所述第一维护端节点判断前向方向的丢包率 P1是否为 0, 其中, 所 述前向方向为所述第一维护端节点向所述第二维护端节点发送数据包的 方向。
14. 根据权利要求 10至 12中任一项所述的方法, 其特征在于, 还包括: 如 果所述第一维护端节点判断本次数据包传输中丢包, 或者传输速率没有 达到目标精度的要求, 则所述第一维护端节点釆用二分搜索法逐次改变 传输数据包的带宽, 直至数据包单向传输中不丢包且传输速率达到目标 精度的要求。
15. —种维护端节点, 应用于 MPLS-TP网络, 其特征在于, 包括:
传输装置, 用于在预定时间段内与所述 MPLS-TP 网络中的另一所 述维护端节点进行数据包传输; 第一接收装置, 用于在所述预定时间段之后, 接收来自于另一所述 维护端节点反馈的测量信息, 其中, 所述测量信息用于指示另一所述维 护端节点本次传输所述数据包的数量; 判断装置,用于根据所述测量信息判断本次数据包传输中是否丢包, 以及如果不丢包, 传输速率是否达到目标精度的要求;
确定装置,用于根据所述判断装置判断出本次数据包传输中不丢包, 且传输速率达到目标精度的要求, 获得传输所述数据包在所述传输方向 的吞吐量。
16. 根据权利要求 15所述维护端节点, 其特征在于, 包括: 锁定装置, 用于锁定所述维护端节点和另一所述维护端节点。
17. 根据权利要求 15所述维护端节点, 其特征在于, 包括:
第一发送装置, 用于在通过双向传输方式进行数据包传输时, 向另 一所述维护端节点发送第一测量开始指示消息, 其中, 所述第一测量开 始指示消息携带有测量开始的标识信息、 另一所述维护端节点发送数据 包的指示信息、 以及另一所述维护端节点发送数据包使用的配置参数; 第二接收装置, 用于在通过双向传输方式进行数据包传输时, 接收 来自于另一所述维护端节点的第一测量开始回复消息;
第二发送装置, 用于在通过单向传输方式进行数据包传输时, 向另 一所述维护端节点发送第二测量开始指示消息, 其中, 所述第二测量开 始指示消息携带有测量开始的标识信息;
第三接收装置, 用于在通过单向传输方式进行数据包传输时, 接收 来自于另一所述维护端节点的第二测量开始回复消息。
18. 根据权利要求 15至 17任一项所述维护端节点, 其特征在于,
所述第一发送装置和所述第二发送装置, 还用于向另一所述维护端 节点发送测量结束指示消息, 其中, 所述测量结束指示消息用于指示所 述维护端节点本次发送数据包结束。
19. 根据权利要求 15至 17任一项所述维护端节点, 其特征在于, 所述判断 装置包括:
第一判断单元, 用于在通过双向传输方式进行数据包传输时, 判断 前向方向的丢包率 P1和反向方向的丢包率 P2是否同时为 0;
第二判断单元, 用于在通过单向传输方式进行数据包传输时, 判断 前向方向的丢包率 P1是否为 0; 其中, 所述前向方向为所述维护端节点向另一所述维护端节点发送 数据包的方向, 所述反向方向为另一所述维护端节点向所述维护端节点 发送数据包的方向。 根据权利要求 15至 17任一项所述维护端节点, 其特征在于, 所述维护 端节点还包括:
第一处理装置, 用于在通过双向传输方式进行数据包传输, 且本次 传输中丢包或传输速率没达到目标精度的要求时, 釆用二分搜索法逐次 改变传输数据包的带宽, 并将反向方向新的带宽携带在所述测量开始指 示消息中发送至另一所述维护端节点, 直至数据包双向传输中均不丢包 且传输速率达到目标精度的要求;
第二处理装置, 用于在通过单向传输方式进行数据包传输, 且本次 传输中丢包或传输速率没达到目标精度的要求时, 釆用二分搜索法逐次 改变传输数据包的带宽, 直至数据包单向传输中不丢包且传输速率达到 目标精度的要求。
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104579820A (zh) * 2014-12-05 2015-04-29 盛科网络(苏州)有限公司 可控的mpls-tp标签交换路径丢包率的测试装置及方法

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103179000B (zh) * 2013-03-26 2015-07-22 杭州晨晓科技有限公司 一种mpls-tp网络性能监控的丢包率测量方法
CN105122732B (zh) * 2013-05-09 2019-04-23 英特尔Ip公司 用于吞吐量表征的方法和装置
US9918225B2 (en) * 2014-11-03 2018-03-13 Qualcomm Incorporated Apparatuses and methods for wireless communication
JP2017129378A (ja) * 2016-01-18 2017-07-27 株式会社デンソー 伝送路の劣化検出装置
US10771372B2 (en) * 2016-06-16 2020-09-08 Oracle International Corporation Transmitting test traffic on a communication link
JP2018061141A (ja) * 2016-10-05 2018-04-12 富士通株式会社 通信装置および通信方法
CN106487613A (zh) * 2016-11-16 2017-03-08 北京华为数字技术有限公司 一种带宽测试方法、装置和系统
WO2020042018A1 (zh) 2018-08-29 2020-03-05 华为技术有限公司 一种检测带宽的方法及检测设备
CN108989135B (zh) * 2018-09-29 2021-12-07 新华三技术有限公司合肥分公司 网络设备故障检测方法及装置
CN111262749B (zh) * 2018-11-30 2023-05-23 华为技术有限公司 一种检测网络可靠性的方法及设备
CN111490907B (zh) * 2019-01-25 2021-10-15 华为技术有限公司 一种确定vxlan网络性能参数的方法及装置
CN114363217A (zh) * 2021-12-23 2022-04-15 北京六方云信息技术有限公司 Rfc2544吞吐性能测试方法、系统、设备及介质
CN114844806B (zh) * 2022-04-15 2023-08-25 中国信息通信研究院 网络设备的吞吐量测量方法及装置、测试系统及存储介质

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1794670A (zh) * 2005-12-21 2006-06-28 中国移动通信集团公司 Ip设备吞吐量的测试方法
CN1860734A (zh) * 2003-09-25 2006-11-08 泰拉丁公司 网络吞吐量测定的方法和装置
CN1881908A (zh) * 2005-06-13 2006-12-20 华为技术有限公司 测量mpls网络性能参数的方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100533686B1 (ko) * 2004-05-21 2005-12-05 삼성전자주식회사 모바일 애드 혹 네트워크에서의 데이터 전송 방법 및 이를이용한 네트워크 장치
GB0519648D0 (en) * 2005-09-27 2005-11-02 Roke Manor Research Resilient path protocol
US7839784B2 (en) * 2007-08-15 2010-11-23 Nec Laboratories America, Inc. Virtual circuit connectivity verification insertion for packet loss control in pseudowire
CN101123588B (zh) * 2007-09-14 2013-01-23 华为技术有限公司 控制冗余数据包传输的方法、媒体网关及系统
KR101257677B1 (ko) * 2008-08-26 2013-04-24 알까뗄 루슨트 트래픽 접속 및 연관된 모니터링 접속을 확립하기 위한 방법들

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1860734A (zh) * 2003-09-25 2006-11-08 泰拉丁公司 网络吞吐量测定的方法和装置
CN1881908A (zh) * 2005-06-13 2006-12-20 华为技术有限公司 测量mpls网络性能参数的方法
CN1794670A (zh) * 2005-12-21 2006-06-28 中国移动通信集团公司 Ip设备吞吐量的测试方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
M. XIAO ET AL.: "Throughput Estimation for MPLS Transport Profile, Draft-xiao-mple-throughput-estimation-00", MPLS WORKING GROUP INTERNET-DRAFT, 12 April 2010 (2010-04-12), XP015067363 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104579820A (zh) * 2014-12-05 2015-04-29 盛科网络(苏州)有限公司 可控的mpls-tp标签交换路径丢包率的测试装置及方法
CN104579820B (zh) * 2014-12-05 2018-03-09 盛科网络(苏州)有限公司 可控的mpls‑tp标签交换路径丢包率的测试装置及方法

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