CN106559283A

CN106559283A - A kind of network monitoring method, apparatus and system

Info

Publication number: CN106559283A
Application number: CN201510646263.4A
Authority: CN
Inventors: 李芳�; 贺佳
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2015-09-30
Filing date: 2015-09-30
Publication date: 2017-04-05

Abstract

The invention discloses a kind of network monitoring method, apparatus and system, service feature on-line monitoring is carried out by OAM instruments to solve prior art presence, higher to initiating the requirement of equipment of OAM measurements, the poor problem of the caused suitability, the method include：The first equipment in PTN sends multiple ICMP request data packages according to the second equipment, and second equipment for receiving is directed to each the ICMP request data package for receiving and returns icmp reply packet, determine the packet loss and time delay of network between the first equipment and the second equipment, wherein, first equipment is L3 PTN devices, and the second equipment is L3 PTN devices, L2 PTN devices or base station.The method can be accurately determined the packet loss and time delay of the network between the first equipment and the second equipment, and not have performance requirement to the L3 PTN devices in PTN, L2 PTN devices and base station, and the suitability is higher.

Description

A kind of network monitoring method, apparatus and system

Technical field

The present invention relates to communication technical field, more particularly to a kind of network monitoring method, apparatus and system.

Background technology

At present, at time-division Long Term Evolution (Time Division-Long Term Evolution, TD-LTE) In mobile retransmission network in network, in Packet Transport Network (Packet Transport Network, PTN) Using two-layer virtual private network (Layer 2Virtual Private Network, L2VPN) and L 3 virtual The mixed networking technology of dedicated network (Layer 3Virtual Private Network, L3VPN), therefore, Realize communication service end to end (such as based on the S1 interfaces business realized, the business realized based on X2 interface Deng) network be divided into the L2PTN using the L2VPN and L3PTN using L3VPN, respectively Configured and O＆M, L2PTN different with each self-operatings of L3PTN operation management maintainance (Operation Administration and Maintenance, OAM) mechanism to be realizing fault location and performance detection.

Refering to shown in Fig. 1, there is the equipment of OAM(Operation Administration Maintenance), by tag changeable path inside L2PTN The performance measurement OAM instruments in footpath (Label Switched Paths, LSP), inside measurement L2PTN Packet loss and time delay, realize that service feature is monitored on-line；And there is OAM(Operation Administration Maintenance) inside L3PTN Equipment, it is necessary first to which route is followed the trail of by the trace inquiry of Internet protocol (Internet Protocol, IP) (TraceRoute) instrument, obtains forward-path of the business in L3PTN, then by the path Performance measurement OAM instruments, measure L3PTN inside packet loss and time delay, realize that service feature exists Line is monitored.

However, inside above-mentioned L2PTN and L3PTN when the time delay and packet loss of each measurement therein, Time delay and packet loss are determined due to by OAM Protocol Data Unit (Protocol Data Unit, PDU) Rate, however, OAM measurements can only be initiated by equipment with OAM(Operation Administration Maintenance), therefore to L2PTN and The requirement that the equipment of OAM measurements is initiated inside L3PTN is higher, therefore carries out business by OAM instruments Performance on-line monitoring, the suitability are poor.

The content of the invention

The embodiment of the present invention provides a kind of network monitoring method, apparatus and system, to solve in prior art Service feature on-line monitoring is carried out by OAM instruments, it is higher to initiating the requirement of equipment of OAM measurements, The poor problem of the caused suitability.

Concrete technical scheme provided in an embodiment of the present invention is as follows：

In a first aspect, a kind of network monitoring method, including：

The first equipment in Packet Transport Network PTN is by a port into the corresponding subnet in the port Second equipment sends multiple ICMP ICMP request data packages, and any one ICMP please Original time stamp is included in seeking packet, wherein, the original time stamp is that first equipment transmission should The time of ICMP request data packages, first equipment be three layers of Packet Transport Network L3PTN equipment, institute The second equipment is stated for L3PTN equipment, or two layers of Packet Transport Network L2PTN equipment, or base station；

First equipment receives the icmp reply packet that second equipment is returned, and the ICMP is returned The ICMP request data package that complex data bag correspondence first equipment sends, the icmp reply number Send timestamp, receive timestamp and the original time stamp in the ICMP request data packages according to including in bag, Wherein, the reception timestamp is the time that second equipment receives the ICMP request data packages, described Send the time that timestamp is that second equipment sends the icmp reply packet；

Number and transmission of first equipment according to the icmp reply packet received in preset time period ICMP request data packages number, determine network between first equipment and second equipment Packet loss；And

According to the original time stamp included in the icmp reply packet received in the preset time period, connect Receive timestamp and send timestamp, determine network between first equipment and second equipment when Prolong.

With reference in a first aspect, in the first possible implementation of first aspect, first equipment leads to Cross the port multiple ICMP request data packages are sent to the second equipment in the corresponding subnet in the port, Including：

First equipment passes through the port according to the period 1 for arranging, to the corresponding subnet in the port Interior second equipment sends ICMP request data packages, and the period 1 is 1 millisecond, or 10/3 Millisecond, or 10 milliseconds, or 100 milliseconds, or 1 second.

With reference to the first possible implementation of first aspect or first aspect, at second of first aspect In possible implementation, first equipment determines the net between first equipment and second equipment The packet loss of network, including：

First equipment according to arrange second round, determine first equipment and second equipment it Between network packet loss；

First equipment determines the time delay of the network between first equipment and second equipment, bag Include：

First equipment according to arrange period 3, determine first equipment and second equipment it Between network time delay.

With reference to first aspect, first aspect the first, any one of second possible implementation, In the third possible implementation of first aspect, first equipment it is determined that first equipment with The packet loss of the network between second equipment, and determine between first equipment and second equipment Network when delay, also include：

First equipment by determine first equipment and second equipment between network packet loss The time delay of the network between rate, first equipment and second equipment, reports to network management system or software Define network SDN controllers.

With reference to first aspect, first aspect the first any one of to the third possible implementation, In the 4th kind of possible implementation of first aspect, first equipment is sent to second equipment ICMP request data packages, including：

First equipment passes through ICMP request data packages described in the 3rd equipment to second device forwards, Wherein, the 3rd equipment is two layers/tri- layers L2/L3 bridging devices；

First equipment receives the icmp reply packet that second equipment is returned, including：

First equipment receives the icmp reply of second equipment by the 3rd device forwards Packet.

Second aspect, a kind of network monitoring method, including：

The 3rd equipment in Packet Transport Network PTN receives the ICMP request data packages that the first equipment sends, And the ICMP request data packages are forwarded to into the second equipment, comprising original in the ICMP request data packages Beginning timestamp, wherein, the original time stamp is that first equipment sends the ICMP request data packages Time, first equipment are three layers of Packet Transport Network L3PTN equipment, and second equipment is L3PTN Equipment, or two layers of Packet Transport Network L2PTN equipment, or base station, the 3rd equipment are two layers/tri- layers L2/L3 bridging devices；

3rd equipment receives the icmp reply packet that second equipment sends, and by the ICMP Reply packet and be forwarded to first equipment, corresponding first equipment of the icmp reply packet is sent out The ICMP request data package sent, comprising transmission timestamp, reception in the icmp reply packet Original time stamp in timestamp and the ICMP request data packages, wherein, the reception timestamp is described Second equipment receives the time of the ICMP request data packages, and the transmission timestamp is sent out for second equipment Send the time of the icmp reply packet.

With reference to second aspect, in the first possible implementation of second aspect, the 3rd equipment will The ICMP request data packages are forwarded to second equipment, including：

Internet protocol IP address and MAC address of 3rd equipment according to storage Mapping relations, the corresponding MAC Address of destination address included in determining the ICMP request data packages； And the corresponding two stratons interface of MAC Address by determining, the ICMP request data packages are forwarded to Second equipment, wherein, the destination address is IP address；Or

3rd equipment is closed with the mapping of VLAN ID VLAN ID according to the IP address of storage System, the corresponding VLAN ID of the destination address included in determining the ICMP request data packages；And by true The ICMP request data packages are forwarded to described second by the corresponding two stratons interfaces of fixed VLAN ID Equipment, wherein, the destination address is IP address.

With reference to the first possible implementation of second aspect or second aspect, at second of second aspect In possible implementation, the icmp reply packet is forwarded to described first and is set by the 3rd equipment It is standby, including：

It is determined that receiving two straton interfaces of the icmp reply packet；

Using the corresponding MAC Address of the two stratons interface for determining as source MAC；According to storage IP address and MAC Address mapping relations, determine the corresponding IP address of the source MAC； Or

Using the corresponding VLAN ID of the two stratons interface for determining as source vlan ID；According to storage IP address and the mapping relations of VLAN ID, determine the corresponding IP address of the source vlan ID；

The icmp reply packet is transmitted to by institute by the corresponding three stratons interface of IP address for determining State the first equipment.

The third aspect, a kind of network monitoring method, including：

Second equipment receives the Internet Control Message that the first equipment in Packet Transport Network PTN sends Agreement ICMP request data package, includes original time stamp in the ICMP request data packages, wherein, institute State the time that original time stamp is that first equipment sends the ICMP request data packages, first equipment For three layers of Packet Transport Network L3PTN equipment in the PTN, second equipment is L3PTN equipment, Or two layers of Packet Transport Network L2PTN equipment, or base station；

Second equipment returns icmp reply packet, the icmp reply number to first equipment According to the ICMP request data packages that bag correspondence first equipment sends, the icmp reply packet In comprising sending timestamp, the original time stamp received in timestamp and the ICMP request data packages, its In, the reception timestamp is the time that second equipment receives the ICMP request data packages, described Send the time that timestamp is that second equipment sends the icmp reply packet.

With reference to the third aspect, in the first possible implementation of the third aspect, second equipment connects The ICMP request data packages that first equipment sends are received, including：

Second equipment receives the ICMP request data of first equipment by the 3rd device forwards Bag, wherein, the 3rd equipment is two layers/tri- layers L2/L3 bridging devices；

Second equipment returns the icmp reply packet to first equipment, including：

Second equipment is by the 3rd equipment to icmp reply data described in first device forwards Bag.

Fourth aspect, a kind of first equipment are applied in Packet Transport Network PTN, the first equipment bag Include：

Transmitting element, for sending many to the second equipment in the corresponding subnet in the port by a port Individual ICMP ICMP request data packages, include in any one ICMP request data package Original time stamp, wherein, the original time stamp sends the ICMP request data packages for the transmitting element Time, first equipment be three layers of Packet Transport Network L3PTN equipment, second equipment be L3 PTN device, or two layers of Packet Transport Network L2PTN equipment, or base station；

Receiving unit, for receiving the icmp reply packet that second equipment is returned, the ICMP Reply the ICMP request data package that the packet correspondence transmitting element sends, the icmp reply Comprising the original time stamp sent in timestamp, reception timestamp and the ICMP request data packages in packet, Wherein, the reception timestamp is the time that second equipment receives the ICMP request data packages, described Send the time that timestamp is that second equipment sends the icmp reply packet；

Processing unit, for the number according to the icmp reply packet received in preset time period and send out The number of the ICMP request data packages sent, determines the network between first equipment and second equipment Packet loss；And

With reference to fourth aspect, in the first possible implementation, the transmitting element, specifically for：

By the port according to the period 1 for arranging, described second into the corresponding subnet in the port Equipment sends ICMP request data packages, and the period 1 is 1 millisecond, or 10/3 millisecond, or 10 millis Second, or 100 milliseconds, or 1 second.

With reference to the first possible implementation of fourth aspect or fourth aspect, at second of fourth aspect In possible implementation, the processing unit, it is determined that between first equipment and second equipment Network packet loss when, specifically for：

According to the second round for arranging, losing for the network between first equipment and second equipment is determined Bag rate；

The processing unit, it is determined that the time delay of network between first equipment and second equipment When, specifically for：

According to the period 3 for arranging, determine network between first equipment and second equipment when Prolong.

With reference to fourth aspect, fourth aspect the first, second possible implementation, in fourth aspect The third possible implementation in, the processing unit is it is determined that first equipment is set with described second The packet loss of the network between standby, and determine network between first equipment and second equipment when Delay, also include：

The packet loss of the network between first equipment for determining and second equipment, described first are set The standby time delay with the network between second equipment, reports to network management system or software defined network SDN Controller.

With reference to fourth aspect, fourth aspect the first any one of to the third possible implementation, In the 4th kind of possible implementation of fourth aspect, the transmitting element is being sent out to second equipment When sending ICMP request data packages, specifically for：

By ICMP request data packages described in the 3rd equipment to second device forwards, wherein, described Three equipment are two layers/tri- layers L2/L3 bridging devices；

The receiving unit, it is when the icmp reply packet that second equipment is returned is received, concrete to use In：

Receive the icmp reply packet of second equipment by the 3rd device forwards.

In terms of 5th, a kind of 3rd equipment is applied in Packet Transport Network PTN, the 3rd equipment bag Include：

Receiving unit, for receiving the ICMP ICMP request datas that the first equipment sends Bag, includes original time stamp in the ICMP request data packages, wherein, the original time stamp is described First equipment sends the time of the ICMP request data packages, and first equipment is three layers of Packet Transport Network L3 PTN device, the 3rd equipment are two layers/tri- layers L2/L3 bridging devices；

Transmitting element, for the ICMP request data packages are forwarded to the second equipment, second equipment For L3PTN equipment, or two layers of Packet Transport Network L2PTN equipment, or base station；

The receiving unit, is additionally operable to receive the icmp reply packet that second equipment sends, described The ICMP request data package that icmp reply packet correspondence first equipment sends, the ICMP Reply in packet comprising send timestamp, receive in timestamp and the ICMP request data packages it is original when Between stab, wherein, the timestamp that receives is time that second equipment receives the ICMP request data packages, It is described to send the time that timestamp is that second equipment sends the icmp reply packet；

The transmitting element, is additionally operable to for the icmp reply packet to be forwarded to first equipment.

In terms of the 5th, in the first the possible implementation in terms of the 5th, the 3rd equipment is also Including：

First determining unit, it is described for being forwarded to the ICMP request data packages in the transmitting element Before second equipment, according to the Internet protocol IP address of storage and reflecting for MAC address Relation is penetrated, the corresponding MAC Address of destination address included in determining the ICMP request data packages；

The transmitting element, specifically for：By the corresponding two stratons interface of MAC Address for determining, will The ICMP request data packages are forwarded to second equipment, wherein, the destination address is IP address； Or

First determining unit, for being forwarded to the ICMP request data packages in the transmitting element Before second equipment, closed with the mapping of VLAN ID VLAN ID according to the IP address of storage System, the corresponding VLAN ID of the destination address included in determining the ICMP request data packages；

The transmitting element, specifically for：By the corresponding two stratons interfaces of VLAN ID for determining, will The ICMP request data packages are forwarded to second equipment, wherein, the destination address is IP address.

With reference to the first the possible implementation in terms of the 5th or in terms of the 5th, second in terms of the 5th In possible implementation, the 3rd equipment also includes：

Second determining unit, it is described for being forwarded to the icmp reply packet in the transmitting element Before first equipment, it is determined that receiving two straton interfaces of the icmp reply packet；

The transmitting element, specifically for：Will be described by the corresponding three stratons interface of IP address for determining Icmp reply packet is transmitted to first equipment.

In terms of 6th, a kind of second equipment, including：

Receiving unit, for receiving a Internet control of the transmission of the first equipment in Packet Transport Network PTN Message protocol ICMP request data packages processed, include original time stamp in the ICMP request data packages, its In, the original time stamp is the time that first equipment sends the ICMP request data packages, described One equipment is three layers of Packet Transport Network L3PTN equipment in the PTN, and second equipment is L3PTN Equipment, or two layers of Packet Transport Network L2PTN equipment, or base station；

Transmitting element, for returning icmp reply packet, the icmp reply to first equipment The ICMP request data packages that packet correspondence first equipment sends, the icmp reply data Comprising the original time stamp sent in timestamp, reception timestamp and the ICMP request data packages in bag, Wherein, it is described to receive the time that timestamp is that the receiving unit receives the ICMP request data packages, institute State the time for sending that timestamp is that the transmitting element sends the icmp reply packet.

In terms of the 6th, in the first the possible implementation in terms of the 6th, the receiving unit, When the ICMP request data packages that first equipment sends are received, specifically for：

The ICMP request data package of first equipment by the 3rd device forwards is received, wherein, institute The 3rd equipment is stated for two layers/tri- layers L2/L3 bridging devices；

The transmitting element, it is when the icmp reply packet is returned to first equipment, concrete to use In：

By the 3rd equipment to icmp reply packet described in first device forwards.

In terms of 7th, a kind of network monitoring system is applied in Packet Transport Network PTN, and the network is detected System includes：

First equipment, for sending many to the second equipment in the corresponding subnet in the port by a port Individual ICMP ICMP request data packages, include in any one ICMP request data package Original time stamp, wherein, the original time stamp sends the ICMP request data packages for first equipment Time, first equipment be three layers of Packet Transport Network L3PTN equipment；

Second equipment, for receiving the ICMP request data package that first equipment sends, and is directed to The ICMP request data packages for receiving, generate icmp reply packet, and the icmp reply that will be generated Packet returns to first equipment, and the icmp reply data are included in the icmp reply packet Comprising the original time stamp sent in timestamp, reception timestamp and the ICMP request data packages in bag, its In, the timestamp that receives is time that second equipment receives the ICMP request data packages, described The time that timestamp is that second equipment sends the icmp reply packet, second equipment is sent to be L3PTN equipment, or two layers of Packet Transport Network L2PTN equipment, or base station；

First equipment, is additionally operable to receive the icmp reply packet that second equipment is returned；According to The ICMP request data packages of the number of the icmp reply packet of reception and transmission in preset time period Number, determines the packet loss of the network between first equipment and second equipment；And according to described pre- If the original time stamp included in the ICMP request data packages received in the time period, reception timestamp and transmission Timestamp, determines the time delay of the network between first equipment and second equipment.

In terms of the 7th, in the first the possible implementation in terms of the 7th, first equipment, For：

With reference to the first the possible implementation in terms of the 7th or in terms of the 7th, second in terms of the 7th In possible implementation, first equipment is it is determined that between first equipment and second equipment During the packet loss of network, it is used for：

First equipment it is determined that the when time delay of network between first equipment and second equipment, For：

With reference to second possible implementation in terms of the 7th, the third the possible realization in terms of the 7th In mode, the network monitoring system also includes：

Management equipment, for carrying out performance monitoring parameter configuration to first equipment, wherein, the management Equipment is network management system or software defined network SDN controllers.

With reference to the third the possible implementation in terms of the 7th, the possible realization of the 4th in terms of the 7th kind In mode, the management equipment, when performance monitoring parameter configuration is carried out to first equipment, is used for：

To second round and the period 3 described in first device configuration.

With reference to the third or the 4th kind of possible implementation in terms of the 7th, the 5th in terms of seven kind possibility Implementation in, first equipment is additionally operable to：

It is determined that the packet loss of network between first equipment and second equipment, and determine described Network between one equipment and second equipment when delay, by first equipment for determining and described the Network between the packet loss of the network between two equipment, first equipment and second equipment when Prolong, report to the management equipment；

The management equipment, the network that is additionally operable to receive between first equipment and second equipment are lost The time delay of the network between bag rate, first equipment and second equipment.

With reference to any one of the first in terms of the 7th, in terms of the 7th to the 5th kind of possible implementation, In the 6th kind of possible implementation in terms of the 7th, the network monitoring system also includes：

3rd equipment, for receiving the ICMP request data packages that first equipment sends, and will be described ICMP request data packages are transmitted to second equipment；

3rd equipment is additionally operable to receive the icmp reply packet that second equipment sends, and by institute State icmp reply packet and be transmitted to first equipment, wherein, the 3rd equipment is two layers/tri- layers L2/L3 bridging devices.

With reference to the 6th kind of possible mode first in terms of the 7th, the possible realization of the 7th in terms of the 7th kind In mode, the 3rd equipment is set the ICMP request data packages for receiving are transmitted to described second When standby, specifically for：

According to the mapping relations of Internet protocol IP address and the MAC address of storage, really The corresponding MAC Address of destination address included in the fixed ICMP request data packages；And by determination The ICMP request data packages are forwarded to second equipment by the corresponding two stratons interface of MAC Address, Wherein described destination address is IP address；Or

According to the mapping relations of the IP address and VLAN ID VLAN ID of storage, it is determined that described The corresponding VLAN ID of destination address included in ICMP request data packages；And the VLAN ID by determining The ICMP request data packages are forwarded to second equipment by corresponding two stratons interface, wherein, institute Destination address is stated for IP address.

With reference to the 6th kind or the 7th kind of possible implementation in terms of the 7th, the 8th in terms of the 7th kind can In the implementation of energy, the icmp reply packet is being transmitted to described first by the 3rd equipment During equipment, including：

The network monitoring method provided using the present invention, the first equipment in PTN are sent to the second equipment ICMP request data packages, send described comprising instruction first equipment in the ICMP request data packages The original time stamp of the time of ICMP request data packages；Second equipment receives the ICMP number of requests After according to bag, icmp reply packet, the icmp reply packet correspondence are returned to first equipment The ICMP request data packages.Comprising in the ICMP request data packages in the icmp reply packet Original time stamp, receive timestamp and send timestamp.First equipment receives second equipment The icmp reply packet for returning；According to the icmp reply packet received in preset time period Number with send ICMP request data packages number business, determine first equipment and described second The packet loss of the network between equipment.First equipment is included in the icmp reply packet according to reception The difference of timestamp and original time stamp is received, and the difference for sending timestamp and receiving timestamp, Determine the time delay of the network between first equipment and second equipment；Wherein, first equipment is L3PTN equipment, second equipment is the L3PTN equipment in the PTN, or L2PTN equipment, Or base station.So, the L3PTN equipment in the PTN can by ICMP request data packages and Icmp reply packet, is accurately determined the L3PTN equipment and other L3PTN equipment, L2PTN The packet loss and time delay of the network between equipment or base station, and realizing network prison provided in an embodiment of the present invention During survey method, there is no performance requirement to the L3PTN equipment in PTN, L2PTN equipment and base station, fit It is higher with property.

Description of the drawings

Fig. 1 is a kind of PTN network configuration diagram provided in an embodiment of the present invention；

Fig. 2 is a kind of flow chart of the network monitoring method in the first equipment side provided in an embodiment of the present invention；

Fig. 3 is a kind of flow chart of the network monitoring method in the 3rd equipment side provided in an embodiment of the present invention；

Fig. 4 is a kind of flow chart of the network monitoring method in the second equipment side provided in an embodiment of the present invention；

Fig. 5 is a kind of exemplary plot of network monitoring method provided in an embodiment of the present invention；

Fig. 6 is the exemplary plot of another kind of network monitoring method provided in an embodiment of the present invention；

Fig. 7 is the structural representation of the first equipment provided in an embodiment of the present invention；

Fig. 8 is the structural representation of the 3rd equipment provided in an embodiment of the present invention；

Fig. 9 is the structural representation of the second equipment provided in an embodiment of the present invention；

Figure 10 is a kind of schematic diagram of network monitoring system provided in an embodiment of the present invention；

Figure 11 is the structural representation of the first equipment provided in an embodiment of the present invention；

Figure 12 is the structural representation of the 3rd equipment provided in an embodiment of the present invention；

Figure 13 is the structural representation of the second equipment provided in an embodiment of the present invention.

Specific embodiment

In order that the object, technical solutions and advantages of the present invention are clearer, below in conjunction with accompanying drawing to this It is bright to be described in further detail, it is clear that described embodiment is only a part of embodiment of the invention, Rather than the embodiment of whole.Based on the embodiment in the present invention, those of ordinary skill in the art are not doing The all other embodiment obtained under the premise of going out creative work, belongs to the scope of protection of the invention.

The embodiment of the present invention provides a kind of network monitoring method, apparatus and system, to solve in prior art Exist service feature on-line monitoring is carried out by OAM instruments, to initiate OAM measurement equipment will Ask higher, the poor problem of the caused suitability.Wherein, method and apparatus be based on same inventive concept, Due to the principle of method and apparatus solve problem it is similar, therefore the enforcement of apparatus and method can with cross-reference, Repeat part to repeat no more.

Technical scheme according to embodiments of the present invention, the first equipment in PTN send the Internet to the second equipment Internet Control Message Protocol (Internet Control Message Protocol, ICMP) request data package, it is described Comprising the time for indicating the first equipment transmission ICMP request data packages in ICMP request data packages Original time stamp；After second equipment receives the ICMP request data packages, to first equipment Icmp reply packet is returned, the icmp reply packet is to should ICMP request data packages.Institute The original time stamp in the ICMP request data packages is included in stating icmp reply packet, timestamp is received And send timestamp.First equipment receives the icmp reply data that second equipment is returned Bag；Number and transmission of first equipment according to the icmp reply packet received in preset time period ICMP request data packages number business, determine the net between first equipment and second equipment The packet loss of network.First equipment is according to the reception timestamp included in the icmp reply packet for receiving With the difference of original time stamp, and the difference for sending timestamp and receiving timestamp, described the is determined The time delay of the network between one equipment and second equipment.Wherein, first equipment is set for L3PTN Standby, second equipment is the L3PTN equipment in the PTN, or L2PTN equipment, or base station. So, the L3PTN equipment in the PTN can pass through ICMP request data packages and icmp reply Packet, is accurately determined the L3PTN equipment and other L3PTN equipment, L2PTN equipment or base The packet loss and time delay of the network between standing, and realizing network monitoring method provided in an embodiment of the present invention When, there is no performance requirement to the L3PTN equipment in PTN, L2PTN equipment and base station, the suitability compared with It is high.

Network monitoring method provided in an embodiment of the present invention, goes in any PTN network framework, For example realize the network architecture of S1 business end to end, realize the network architecture of X2 business end to end, with And province's domain Metropolitan Area Network (MAN) of other complexity, city-level Metropolitan Area Network (MAN) etc..The present invention is not limited to this.It is of the invention below Embodiment is only illustrated with realizing the network architecture of S1 business end to end.

Network monitoring method provided in an embodiment of the present invention, goes for PTN network as shown in Figure 1 In framework, the network architecture can realize S1 business end to end, wherein, the network architecture includes： Base station 101, switch 102, switch 103, L2/L3 bridging devices 104, router 105, and Service Gateway (Service-Gateway, S-GW) 106.Wherein, base station 101 successively via switch 102, Switch 103, L2/L3 bridging devices 104, router 105 are communicated with Service Gateway 106.Switch Network between 102 and switch 103 is L2PTN, therefore, the L2VPN used in L2PTN Equipment (switch 102 and switch 103) is L2PTN equipment.L2/L3 bridging devices 104 and route Network between device 105 is L3PTN, therefore, the equipment (L2/L3 of the L3VPN used in L3PTN 105) bridging device 104 and router are L3PTN equipment.

Alternatively, in the network architecture, it is also possible to only exist a L2PTN equipment, such as only exist Switch 102 or switch 103.

Alternatively, in the network architecture, it is also possible to there are multiple L3PTN equipment.

In the network architecture, any one L3PTN equipment, the L2/L3 bridging devices in such as Fig. 1 104, when realizing network monitor, can be to the miscellaneous equipment in the network architecture (such as base station 101, switch 102nd, switch 103 and router 105) in any one multiple ICMP request data package of transmission, So after recipient receives the ICMP request data packages that the L2/L3 bridging devices send, to described L2/L3 bridging devices 104 return to should ICMP request data packages icmp reply packet.Due to The original time stamp of the ICMP request data packages is sent in the ICMP request data packages comprising the first equipment, Also the ICMP request datas are included in the icmp reply packet returned for the ICMP request data packages Original time stamp, reception timestamp and transmission timestamp in bag.So, the L2/L3 bridging devices 104 According to the number and the ICMP request datas for sending of the icmp reply packet received in preset time period The business of the number of bag, determines the packet loss of the network between the L2/L3 bridging devices 104 and the recipient Rate；The L2/L3 bridging devices 104 are according to the transmission time included in the icmp reply packet for receiving The difference of stamp and original time stamp, and the difference for sending timestamp and receiving timestamp, it is determined that described The time delay of the network between L2/L3 bridging devices 104 and the recipient.

In PTN network framework as shown in Figure 1, any one L3PTN equipment can pass through ICMP Request data package and icmp reply packet, are accurately determined the L3PTN equipment and other L3PTN The packet loss and time delay of the network between equipment, L2PTN equipment or base station, and when network monitor is realized, To the no performance requirement in the L3PTN equipment in the PTN network framework, L2PTN equipment or base station.

Refering to shown in Fig. 2, a kind of network monitoring method provided in an embodiment of the present invention is applied to any PTN In L3PTN equipment in the network architecture, such as L2/L3 bridging devices, router etc..The method includes：

S201：The first equipment in PTN is set to second in the corresponding subnet in the port by a port Preparation send multiple ICMP request data packages, and original time stamp is included in any one ICMP request data package, Wherein, the original time stamp is the time that first equipment sends the ICMP request data packages, described First equipment is L3PTN equipment, and second equipment is the L3PTN equipment in the PTN, or L2 PTN device, or base station.

Optionally, first equipment was sending ICMP request data packages, interval setting first apart from last time After duration, then start multiple ICMP request data packages to be sent to second equipment, and meeting following bar During at least one of part, stop sending ICMP request data packages to second equipment：

(1) after setting number ICMP request data packages are persistently sent；

(2) after persistently sending the second duration of setting；

(3) after receiving the stopping transmission ICMP request data package instructions of management equipment transmission.Wherein, The management equipment is network management system or software defined network (Software Defined Network, SDN) Controller.

Optionally, first equipment can with certain the specified time period in setting cycle to described Two equipment send multiple ICMP request data packages.The setting cycle can also be configured for the management equipment , the setting cycle can be one day, and one week etc., the present invention was not limited to this.

Optionally, first equipment passes through a port to the second equipment in the corresponding subnet in the port Multiple ICMP request data packages are sent, including：

First equipment passes through the port according to the period 1 for arranging, to the corresponding subnet in the port Interior the second equipment sends ICMP request data packages, and the period 1 is 1 millisecond (ms), or 10/3ms, Or 10ms, or 100ms, or 1ms.

Traditional, L3PTN equipment does not include original time stamp in supporting the ICMP request data packages for sending, So, the second equipment for receiving the ICMP request data packages returns an icmp reply packet. Obviously, the L3PTN equipment by sending ICMP request data packages and can receive icmp reply number According to bag, the connectedness of the network between the L3PTN equipment and second equipment is determined, but cannot be true The time delay of fixed network between the L3PTN equipment and second equipment.In embodiments of the present invention, First equipment is wrapped by the way of hardware beats timestamp in the ICMP request data packages for sending Containing original time stamp, the original time stamp is used to indicate that first equipment sends the ICMP request data packages Time, so, the second equipment is when the ICMP request data packages are received, you can according to receive the ICMP Original time stamp in the time of request data package, and the ICMP request data packages, determines the ICMP The time delay of request data package.

Further, the ICMP request data packages can be identical with icmp reply packet, not only may be used So that comprising original time stamp, comprising timestamp is sent and timestamp can also be received, so, in the ICMP Request data package in other forwarding units between first equipment and second equipment, The forwarding unit itself can will receive the ICMP request data packages and be updated to the ICMP number of requests According to the reception timestamp in bag, and the time for sending the ICMP request data packages be updated to it is described Transmission timestamp in ICMP request data packages, so, the ICMP request data packages are being transmitted under During one forwarding unit, the next forwarding unit can be according to including in the ICMP request data packages Receive timestamp and send the difference of timestamp, determine that a upper forwarding unit processes the ICMP requests The time delay of packet.The next forwarding unit can be with according to including in the ICMP request data packages Send timestamp, the difference of the time of ICMP request data packages described in local reception, determine the ICMP Request data package is transmitted to local time delay from a upper forwarding unit.

Traditional, L3PTN equipment supports that the transmission cycle of the ICMP request data packages for sending is generally 1 Second (second, s), or 100ms, in embodiments of the present invention, the first equipment be able to can be compiled using scene Journey gate array (Field-Programmable Gate Array, FPGA) hardware is sending ICMP request datas Bag so that the period 1 for sending the ICMP request data packages can reach 1ms, and so, first sets The standby ICMP request data packages that greater number can be sent in a measurement period, because the first equipment is sent out The number radix of ICMP request data packages is sent to increase, so the first equipment receives second in subsequent step setting The number radix of the standby icmp reply packet for returning increases, so, according to the icmp reply number for receiving According to bag number and transmission ICMP request data packages number business, first equipment of acquisition with The precision of the packet loss of the network between second equipment is higher, it is ensured that the high accuracy packet loss of acquisition can be with Reach 10E-4.

In S201, source address and the first equipment described in the PTN in the ICMP request data packages To second equipment send business data packet source address it is identical or be located at same subnet section；It is described In ICMP request data packages, destination address is identical with the destination address of the business data packet or is located at same son The network segment.In this manner it is ensured that the transmit process phase of the ICMP request data packages and the business data packet Together, also, for the ICMP request data packages return icmp reply packet also with the PTN In business data packet transmit process it is identical.Due to the ICMP request data packages and the business datum Bag is shared a common fate with route, and so, first equipment is according to the ICMP request data packages and the ICMP Reply packet, it is determined that first equipment and second equipment between network time delay and packet loss Rate, can accurately reflect business data packet by the net between first equipment and second equipment The time delay and packet loss of network.

S202：First equipment receives the icmp reply packet that second equipment is returned, described The ICMP request data package that icmp reply packet correspondence first equipment sends, the ICMP In request data package comprising send timestamp, receive in timestamp and the ICMP request data packages it is original when Between stab, wherein, the timestamp that receives is time that second equipment receives the ICMP request data packages, It is described to send the time that timestamp is that second equipment sends the icmp reply packet.

Second equipment supports response IC MP request data packages, for the ICMP number of request for receiving Icmp reply packet is returned according to bag, wherein, the ICMP request datas that second equipment is returned Bag can be determined that what is replied for which ICMP request data package.

Wherein, for the source address in the icmp reply packet of an ICMP request data packages return it is Destination address in the ICMP request data packages；For the ICMP that an ICMP request data package is returned It is the source address in the ICMP request data packages to reply the destination address in packet.In this manner it is ensured that The icmp reply packet returned for an ICMP request data package can be asked according to the ICMP The transmission path of packet is back to first equipment, according to the description in S201, described The transmission of ICMP request data packages and the first device transmissions of the PTN to the business data packet of the second equipment Cheng Xiangtong, the icmp reply packet returned for the ICMP request data packages are returned by former transmission path Return, therefore, it is also identical to the transmit process of the business data packet of the first equipment with second device transmission. As the ICMP request data packages are shared a common fate with route with the business data packet, so, described first Equipment according to the ICMP request data packages and the icmp reply packet, it is determined that described first set Standby time delay and packet loss with the network between second equipment, can accurately reflect business data packet By the time delay and packet loss of the network between first equipment and second equipment.

S203：First equipment according to the number of the icmp reply packet received in preset time period with And the number of the ICMP request data packages for sending, determine between first equipment and second equipment The packet loss of network；And according to the original included in the icmp reply packet received in the preset time period Beginning timestamp, reception timestamp and transmission timestamp, determine between first equipment and second equipment Network time delay.

Optionally, first equipment determines losing for the network between first equipment and second equipment Bag rate, including：

First equipment according to arrange second round, determine first equipment and second equipment it Between network packet loss.

Optionally, the preset time period can be the second round, or be set according to concrete application scene The specified time period put.First equipment determines the icmp reply number received in the preset time period According to the number of bag, the number of the ICMP request data packages sent in the preset time period, and will be in institute State the number of the icmp reply packet received in preset time period and send in the preset time period The business of the number of ICMP request data packages, as the network between first equipment and second equipment Packet loss.

Optionally, first equipment determine the network between first equipment and second equipment when Prolong, including：

Optionally, the preset time period can also be the period 3.First equipment is determined in institute State all icmp reply packets received in preset time period.Optionally, by each icmp reply number According to the difference that timestamp and original time stamp are received in bag, as in first equipment and second equipment Between network transmission ICMP request data package time delay, i.e. unidirectional transmission time delay；By obtain it is unidirectional when Prolong and average, as unidirectional transmission time delay meansigma methodss；And during by sending in each icmp reply packet Between stamp with receive timestamp difference, as second equipment process ICMP request data packages process when Prolong；The processing delay of acquisition is averaged, as processing delay meansigma methodss.Optionally, described first set It is standby can also by 2 times of unidirectional transmission time delay meansigma methodss and processing delay meansigma methodss and, as transmitted in both directions Time delay meansigma methodss.

The time delay of the network between first equipment and second equipment can be true for first equipment Fixed unidirectional transmission time delay meansigma methodss or the transmitted in both directions time delay meansigma methodss etc..

Obviously, the second round and the period 3 be all higher than the period 1, and the second week Phase is bigger with the business of the period 1, and the precision of the packet loss that first equipment determines is higher, in the same manner, The period 3 is bigger with the business of the period 1, and the precision of the time delay that first equipment determines also is got over It is high.Wherein, the second round and the period 3 can take identical numerical value.The second round and The period 3 can be management equipment configuration.

Optionally, after S203, also include：

First equipment by determine first equipment and second equipment between network packet loss The time delay of the network between rate, first equipment and second equipment, reports to the management equipment.

Packet loss and time delay that the management equipment can be reported according to first equipment, are counted, raw Into detection of connectivity report and packet loss, delay performance on-line monitoring report, and packet loss or when extend When now abnormal, alerted, and pointed out the problem for alerting, and corresponding IP ports and subnet section.

In the embodiment above, optionally, can include between first equipment and second equipment L2/L3 bridging devices, for example, if the first equipment is non-L2/L3 bridging devices L3PTN equipment, and the Two equipment are L2PTN equipment or during base station, then in PTN network framework, first equipment and described The 3rd equipment --- L2/L3 bridging devices are included between second equipment.I.e. described first equipment and described second The ICMP request data packages transmitted between equipment, icmp reply packets need by the 3rd equipment, I.e. described first equipment is needed by described the when thinking that second equipment sends ICMP request data packages ICMP request data packages described in three equipment to second device forwards, first equipment are receiving described During the icmp reply packet of the second equipment feedback, reception second equipment is needed to set by the described 3rd The icmp reply packet of standby forwarding.

3rd equipment, for receiving the ICMP request data packages that first equipment sends, and will connect The ICMP request data packages received are transmitted to second equipment；It is additionally operable to receive second equipment The icmp reply packet for sending, and the icmp reply packet is transmitted to into first equipment.

Wherein, the destination address for including in the ICMP request data packages is IP address；

3rd equipment, when the ICMP request data packages for receiving are transmitted to second equipment, Specifically for：

According to Internet Protocol (Internet Protocol, IP) address and the media access control (Media of storage Access Control, MAC) address mapping relations, include in determining the ICMP request data packages The corresponding MAC Address of destination address；By the corresponding two stratons interface of MAC Address for determining, will The ICMP request data packages are forwarded to second equipment；Or

According to IP address and the VLAN ID of storage (Virtual Local Area Network Identity, VLAN ID) mapping relations, the destination address included in determining the ICMP request data packages is corresponding VLAN ID；By the corresponding two stratons interfaces of VLAN ID for determining, by the ICMP request datas Bag is forwarded to second equipment.

3rd equipment, when the icmp reply packet is transmitted to first equipment, including：

Wherein, the IP address for storing in the 3rd equipment and the mapping relations of MAC Address, or IP ground Location can be by using address resolution protocol (Address Resolution with the mapping relations of VLAN ID Protocol, ARP) technical limit spacing, or configure for the management equipment.

As the destination address included in ICMP request data packages and icmp reply packet is IP ground Two straton interface None- identified IP address in location, and the 3rd equipment, therefore, the 3rd equipment The mapping relations of IP address and MAC Address, or the mapping relations of IP address and VLAN ID can be passed through Carry out addressing forwarding inside L2 and L3 in the 3rd equipment.

In on-line monitoring method in traditional PTN, inside L2PTN and L3PTN, pass through OAM Instrument, the time delay and packet loss of each measurement therein, therefore, the whole business of PTN end to end Performance is the LSP performance measurements knot by calculating the LSP performance measurements and L3PTN of L2PTN Fruit sum carrys out approximate evaluation.However, by the way of above-mentioned areal survey is cumulative, coming approximate evaluation end and arriving During the performance of the L2PTN+L3PTN at end, not in view of realize L2PTN and L3PTN docking The performance of L2/L3 bridging devices, for example, due to not in view of L2/L3 bridging devices business decapsulation/ Encapsulation process time delay and switching time delay, after causing the time delay measures of areal survey cumulative, with actual end There is larger error in the time delay to the L2PTN+L3PTN at end, further, since not considering L2/L3 bridges The inside packet loss of equipment is connect, and L2PTN and L3PTN adopts different encapsulation/decapsulation efficiency, therefore, The packet loss that L2PTN and L3PTN is measured simply is added up, with actual L2 end to end There is larger error in the packet loss of PTN+L3PTN.

In embodiments of the present invention, no matter whether include between first equipment and second equipment L2/L3 bridging devices, first equipment are returned by sending ICMP request data packages and receiving ICMP Complex data bag, can obtain exactly network between first equipment and second equipment when Prolong and packet loss, it is clear that relative to traditional on-line monitoring method, the method tool in the embodiment of the present invention There is greater advantage.

In the above-mentioned methods, due to PTN in the first equipment can by the PTN other any one L3PTN equipment, or L2PTN equipment, or base station, as the second equipment, by obtaining described first The time delay and packet loss of the network between equipment and second equipment, and the time delay and packet loss essence of acquisition Degree is higher, and realization is monitored on-line to the network between first equipment and second equipment, because This, in actual applications, can carry out fault location by said method, fault location is set to first For between the second equipment.

In sum, using the network monitoring method in the above embodiment of the present invention, no matter set described first For between the second equipment, with the presence or absence of in the case of L2/L3 bridging devices, the first equipment in PTN passes through The ICMP request data packages comprising original time stamp are sent, and is received comprising when original time stamp, reception Between stamp, send timestamp icmp reply packet, can obtain exactly first equipment with it is described The time delay and packet loss of the network between the second equipment, and then fault location can also be realized, it is final to realize In PTN end to end time delay and packet loss high accuracy monitor on-line, and realize it is provided in an embodiment of the present invention During network monitoring method, do not have performance to want to the L3PTN equipment in PTN, L2PTN equipment and base station Ask, the suitability is higher.

Refering to shown in Fig. 3, a kind of network monitoring method provided in an embodiment of the present invention is applied to and any PTN In L2/L3 bridging devices in the network architecture.Method provided in an embodiment of the present invention is suitable for realizing L3 During network monitor between other in PTN device and PTN network framework any one equipment, the L3 The message transmitted between PTN device and any one equipment needs to be forwarded by L2/L3 bridging devices Scene in, the handling process of the method includes：

S301：The 3rd equipment in PTN receives the ICMP request data packages that the first equipment sends, and by institute State ICMP request data packages and be forwarded to the second equipment, in the ICMP request data packages, include original time Stamp, wherein, the original time stamp is the time that first equipment sends the ICMP request data packages, First equipment is L3PTN equipment, and second equipment is L3PTN equipment, or L2PTN equipment, Or base station, the 3rd equipment is L2/L3 bridging devices.

Optionally, the ICMP request data packages are forwarded to second equipment by the 3rd equipment, bag Include：

IP address of 3rd equipment according to storage and the mapping relations of MAC Address, determine the ICMP The corresponding MAC Address of destination address included in request data package；And the MAC Address pair by determining The ICMP request data packages are forwarded to second equipment by the two straton interfaces answered, wherein, it is described Destination address is IP address；Or

IP address of 3rd equipment according to storage and the mapping relations of VLAN ID, determine the ICMP The corresponding VLAN ID of destination address included in request data package；And the VLAN ID correspondences by determining Two straton interfaces, the ICMP request data packages are forwarded to into second equipment, wherein, the mesh Address be IP address.

S302：3rd equipment receives the icmp reply packet that second equipment sends, and by institute State icmp reply packet and be forwarded to first equipment, the icmp reply packet correspondence described the The ICMP request data package that one equipment sends, includes the transmission time in the icmp reply packet Original time stamp in stamp, reception timestamp and the ICMP request data packages, wherein, the reception time Stab the time that the ICMP request data packages are received for second equipment, the transmission timestamp is described the Two equipment send the time of the icmp reply packet.

Optionally, the icmp reply packet is forwarded to first equipment by the 3rd equipment, bag Include：

In due to traditional PTN on-line monitoring methods, inside L2PTN and L3PTN, pass through OAM works Tool, the time delay and packet loss of each measurement therein, therefore, the whole business of PTN end to end Can be by calculate L2PTN LSP performance measurements and L3PTN LSP performance measurements it With carry out approximate evaluation.So, do not cause in view of L2/L3 bridging devices due to measuring the service feature for obtaining Time delay and packet loss, there is larger error in the service feature for measuring the service feature that obtains with reality, and at this In inventive embodiments, when including L2/L3 bridging devices between the first equipment and the second equipment, for monitoring The ICMP request data packages and icmp reply packet of network between first equipment and the second equipment, To be forwarded by L2/L3 bridging devices, first equipment is allow according to ICMP request data packages With icmp reply packet, network between first equipment and second equipment is obtained exactly Time delay and packet loss.

Refering to shown in Fig. 4, a kind of network monitoring method provided in an embodiment of the present invention is applied to any PTN L3PTN equipment in the network architecture, or L2PTN equipment, or base station etc..The handling process of the method Including：

S401：Second equipment receives the ICMP request data package that the first equipment in PTN sends, Original time stamp is included in the ICMP request data packages, wherein, the original time stamp is described first Equipment sends the time of the ICMP request data packages, and first equipment is the L3PTN in the PTN Equipment, second equipment are L3PTN equipment, or L2PTN equipment, or base station.

S402：Second equipment returns icmp reply packet, the ICMP to first equipment Reply the ICMP request data packages that packet correspondence first equipment sends, the icmp reply Comprising the original time stamp sent in timestamp, reception timestamp and the ICMP request data packages in packet, Wherein, it is described to receive the time that timestamp is that second equipment receives the ICMP request data packages, institute State the time for sending that timestamp is that second equipment sends the icmp reply packet.

Wherein, in the ICMP request data packages source address with the first equipment described in the PTN to institute State the second equipment transmission business data packet source address it is identical or be located at same subnet section；

In the ICMP request data packages, destination address is identical with the destination address of the business data packet or position In same subnet section；

Source address in the icmp reply packet returned for an ICMP request data package is should Destination address in ICMP request data packages；

Destination address in the icmp reply packet returned for an ICMP request data package is should Source address in ICMP request data packages.

By the way, the ICMP request data packages that first equipment sends often are received in the second equipment, A corresponding icmp reply data are returned to first equipment for the ICMP request data packages Bag, so, the first equipment can be asked by ICMP according to the L3PTN equipment in the PTN Packet and icmp reply packet are asked, is accurately determined between first equipment and second equipment Network packet loss and time delay.

Refering to shown in Fig. 5, in Metropolitan Area Network (MAN), base station is set via L2PTN equipment, L2/L3 bridge joints successively Standby, L3PTN equipment, core layer optical transport network (Optical Transport Network, OTN), drill Enter type packet-based core networks (Evolved Packet Core, EPC) edge device to communicate with EPC ponds group.EPC Pond group includes at least two Service Gateways (Service Gateway, SGW)/Mobility Management Entity (Mobility Management Entity, MME).EPC edge devices can be router.Any one L2/L3 bridge The example for connecing the work that equipment initiates network monitor task is as follows：

Described any one L2/L3 bridging device initiates on-line monitoring to each local base station respectively, sends ICMP request data packages comprising original time stamp, as shown in the dotted line that 1 is numbered in figure；

Described any one L2/L3 bridging device to each core layer L3PTN equipment or saves dry L3 respectively PTN device initiates on-line monitoring, sends the ICMP request data packages comprising original time stamp, such as figure acceptance of the bid Number for 2 dotted line shown in；

To each metropolitan area network core layer, other L2/L3 bridge joints set described any one L2/L3 bridging device respectively Preparation plays on-line monitoring, sends the ICMP request data packages comprising original time stamp, is such as numbered 3 in figure Dotted line shown in；

Described any one L2/L3 bridging device respectively to other network home regions of the Metropolitan Area Network (MAN) each On-line monitoring is initiated in base station, sends the ICMP request data packages comprising original time stamp, label in such as Fig. 5 Shown in 4 dotted line.

By above-described embodiment, the L2/L3 bridging devices can determine respectively the base station local with each, Each core layer L3PTN equipment saves dry L3PTN equipment, each metropolitan area network core layer other L2/L3 The time delay and packet loss of the network between bridging device, each base station in other network home regions of the Metropolitan Area Network (MAN) Rate.

Refering to shown in Fig. 6, network monitoring method provided in an embodiment of the present invention is equally applicable in province domain metropolitan area In net, the networking side end to end of the metropolitan area L3PTN+L2PTN of main line L3PTN and different districts and cities inside the province Case, the example that any one saves the work that dry L3PTN equipment initiates network monitor task are as follows：

The dry L3PTN equipment of any one province is set to metro core L3PTN of any one districts and cities In standby, on-line monitoring is initiated with the L3PTN equipment for saving dry intercommunication, send the ICMP comprising original time stamp Request data package, as shown in the dotted line that 1 is numbered in figure；

Core L2/L3 bridging device of the dry L3PTN equipment of any one province to any one districts and cities On-line monitoring is initiated, and sends the ICMP request data packages comprising original time stamp, as 2 being numbered in figure Shown in dotted line；

The dry L3PTN equipment of any one province initiates on-line monitoring to the base station of any one districts and cities, The ICMP request data packages comprising original time stamp are sent, the base station can be the significant base stations for arranging, As shown in the dotted line that 3 are numbered in figure.

By above-described embodiment, the dry L3PTN equipment of the province can determine and any one districts and cities respectively Metro core L3PTN equipment in the core for saving the L3PTN equipment of dry intercommunication, any one districts and cities L2/L3 bridging devices, or the time delay and packet loss of the network between the base station of any one districts and cities.

Based on above example, present invention also offers a kind of first equipment, first equipment can be adopted The method that the corresponding embodiments of Fig. 2 are provided, first equipment application in PTN, refering to shown in Fig. 7, First equipment 700 includes：Transmitting element 701, receiving unit 702, and processing unit 703, wherein,

Transmitting element 701, for being sent out to the second equipment in the corresponding subnet in the port by a port Multiple ICMP request data packages are sent, original time stamp in any one ICMP request data package, is included, its In, the original time stamp be the transmitting element 701 send the ICMP request data packages time, institute It is L3PTN equipment to state the first equipment 700, and second equipment is L3PTN equipment, or L2PTN sets It is standby, or base station；

Receiving unit 702, it is for receiving the icmp reply packet that second equipment is returned, described The ICMP request data package that the icmp reply packet correspondence transmitting element 701 sends, it is described Comprising in transmission timestamp, reception timestamp and the ICMP request data packages in icmp reply packet Original time stamp, wherein, the reception timestamp receives the ICMP request data packages for second equipment Time, the transmission timestamp is the time that second equipment sends the icmp reply packet；

Processing unit 703, for the number according to the icmp reply packet received in preset time period with And send ICMP request data packages number, determine first equipment 700 and second equipment it Between network packet loss；And

According to the original time stamp included in the icmp reply packet received in the preset time period, connect Receive timestamp and send timestamp, determine network between first equipment 700 and second equipment Time delay.

Optionally, the transmitting element 701, specifically for：

Optionally, the processing unit 703, it is determined that first equipment 700 and second equipment it Between network packet loss when, specifically for：

According to the second round for arranging, the network between first equipment 700 and second equipment is determined Packet loss；

The processing unit 703, it is determined that network between first equipment 700 and second equipment When time delay, specifically for：

According to the period 3 for arranging, the network between first equipment 700 and second equipment is determined Time delay.

Optionally, the processing unit 703 is it is determined that between first equipment 700 and second equipment Network packet loss, and determine the time delay of network between first equipment 700 and second equipment Afterwards, also include：

By the packet loss of the network between first equipment 700 for determining and second equipment, described the The time delay of the network between one equipment 700 and second equipment, reports to network management system or SDN controls Device.

Optionally, the transmitting element 701, when ICMP request data packages are sent to second equipment, Specifically for：

By ICMP request data packages described in the 3rd equipment to second device forwards, wherein, described Three equipment are L2/L3 bridging devices；

The receiving unit 702, when the icmp reply packet that second equipment is returned is received, tool Body is used for：

Receive the icmp reply packet of second equipment by the 3rd device forwards.

Based on above example, present invention also offers a kind of 3rd equipment, the 3rd equipment can be adopted The method that the corresponding embodiments of Fig. 3 are provided, the 3rd equipment application in PTN, refering to shown in Fig. 8, 3rd equipment 800 includes：Receiving unit 801, transmitting element 802, wherein,

Receiving unit 801, for receiving the ICMP request data packages that the first equipment sends, the ICMP Original time stamp is included in request data package, wherein, the original time stamp is that first equipment transmission should The time of ICMP request data packages, first equipment are L3PTN equipment, and the 3rd equipment is L2/L3 Bridging device；

Transmitting element 802, for the ICMP request data packages are forwarded to the second equipment, described second Equipment is L3PTN equipment, or L2PTN equipment, or base station；

The receiving unit 801, is additionally operable to receive the icmp reply packet that second equipment sends, The ICMP request data package that corresponding first equipment of the icmp reply packet sends, it is described Comprising in transmission timestamp, reception timestamp and the ICMP request data packages in icmp reply packet Original time stamp, wherein, the reception timestamp receives the ICMP request data packages for second equipment Time, the transmission timestamp is the time that second equipment sends the icmp reply packet；

The transmitting element 802, is additionally operable to for the icmp reply packet to be forwarded to first equipment.

Optionally, the 3rd equipment 800 also includes：

First determining unit 803, for turning the ICMP request data packages in the transmitting element 802 Before being sent to second equipment, according to IP address and the mapping relations of MAC Address of storage, institute is determined The corresponding MAC Address of destination address included in stating ICMP request data packages；

The transmitting element 802, specifically for：By the corresponding two stratons interface of MAC Address for determining, The ICMP request data packages are forwarded to into second equipment, wherein, the destination address is IP ground Location；Or

First determining unit 803, in the transmitting element 802 by the ICMP request datas Before bag is forwarded to second equipment, according to the mapping relations of IP address and the VLAN ID of storage, really The corresponding VLAN ID of destination address included in the fixed ICMP request data packages；

The transmitting element 802, specifically for：By the corresponding two stratons interfaces of VLAN ID for determining, The ICMP request data packages are forwarded to into second equipment, wherein, the destination address is IP ground Location.

Optionally, the 3rd equipment 800 also includes：

Second determining unit 804, for turning the icmp reply packet in the transmitting element 802 Before being sent to first equipment, it is determined that receiving two straton interfaces of the icmp reply packet；

The transmitting element 802, specifically for：By the corresponding three stratons interface of IP address that determines by institute State icmp reply packet and be transmitted to first equipment.

Based on above example, present invention also offers a kind of second equipment, second equipment can be adopted The method that the corresponding embodiments of Fig. 4 are provided, refering to shown in Fig. 9, second equipment 900 includes：Receive single Unit 901, transmitting element 902, wherein,

Receiving unit 901, for receiving an ICMP request data package of the transmission of the first equipment in PTN, Original time stamp is included in the ICMP request data packages, wherein, the original time stamp is described first Equipment sends the time of the ICMP request data packages, and first equipment is the L3PTN in the PTN Equipment, second equipment are L3PTN equipment, or L2PTN equipment, or base station；

Transmitting element 902, for returning icmp reply packet, the ICMP to first equipment Reply the ICMP request data packages that packet correspondence first equipment sends, the icmp reply Comprising the original time sent in timestamp, reception timestamp and the ICMP request data packages in packet Stamp, wherein, the reception timestamp is that the receiving unit 901 receives the ICMP request data packages Time, the transmission timestamp are the time that the transmitting element 902 sends the icmp reply packet.

Optionally, the receiving unit 901, is receiving the ICMP requests that first equipment sends During packet, specifically for：

The ICMP request data package of first equipment by the 3rd device forwards is received, wherein, institute The 3rd equipment is stated for L2/L3 bridging devices；

The transmitting element 902, when the icmp reply packet is returned to first equipment, tool Body is used for：

By the 3rd equipment to icmp reply packet described in first device forwards.

It should be noted that more than the present invention in each embodiment to the division of unit be it is schematic, only For a kind of division of logic function, when actually realizing, can there are other dividing mode, such as the first determining unit Can be same determining unit or different determining units with the second determining unit, or some features can be suddenly Slightly, or do not perform.In addition, each functional unit in the application each embodiment can be integrated at one Reason unit in, or unit be individually physically present, it is also possible to two or more units are integrated In a unit.Above-mentioned integrated unit both can be realized in the form of hardware, it would however also be possible to employ software The form of functional unit is realized.

If the integrated unit is realized and as independent production marketing using in the form of SFU software functional unit Or when using, can be stored in a computer read/write memory medium.Based on such understanding, this Shen Part that technical scheme please is substantially contributed to prior art in other words or the technical scheme it is complete Portion or part can be embodied in the form of software product, and the computer software product is stored in a storage In medium, use including some instructions so that computer equipment (can be personal computer, server, Or the network equipment etc.) or processor (processor) perform the complete of the application each embodiment methods described Portion or part steps.And aforesaid storage medium includes：USB flash disk, portable hard drive, read only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic Dish or CD etc. are various can be with the medium of store program codes.

Based on above example, present invention also offers a kind of network monitoring system, the system is applied to PTN In, refering to shown in Figure 10, the system includes：First equipment 1001, the second equipment 1002, wherein,

First equipment 1001, for passing through a port to the second equipment in the corresponding subnet in the port 1002 send multiple ICMP request data packages, and original time is included in any one ICMP request data package Stamp, wherein, the original time stamp is that first equipment 1001 sends the ICMP request data packages Time, first equipment 1001 are L3PTN equipment；

Second equipment 1002, for receiving the ICMP request data that first equipment 1001 sends Bag, and for receive the ICMP request data packages, generate icmp reply packet, and by generate Icmp reply packet returns to first equipment 1001, and including in the icmp reply packet should Comprising in transmission timestamp, reception timestamp and the ICMP request data packages in icmp reply packet Original time stamp, wherein, the reception timestamp is that second equipment 1002 receives ICMP requests The time of packet, the transmission timestamp send the icmp reply number for second equipment 1002 According to the time of bag, second equipment 1002 is L3PTN equipment, or L2PTN equipment, or base station；

First equipment 1001, is additionally operable to receive the icmp reply number that second equipment 1002 is returned According to bag；The ICMP of number and transmission according to the icmp reply packet received in preset time period please The number of packet is sought, network between first equipment 1001 and second equipment 1002 is determined Packet loss；And according to the original time included in the ICMP request data packages received in the preset time period Stamp, reception timestamp and transmission timestamp, determine first equipment 1001 with second equipment 1002 Between network time delay.

Optionally, first equipment 1001, is used for：

By the port according to the period 1 for arranging, described second into the corresponding subnet in the port Equipment 1002 sends ICMP request data packages, and the period 1 is 1 millisecond, or 10/3 millisecond, or 10 milliseconds, or 100 milliseconds, or 1 second.

Optionally, first equipment 1001 is it is determined that first equipment 1001 and second equipment During the packet loss of the network between 1002, it is used for：

According to the second round for arranging, determine between first equipment 1001 and second equipment 1002 Network packet loss；

First equipment 1001 is it is determined that between first equipment 1001 and second equipment 1002 Network when time delay, be used for：

According to the period 3 for arranging, determine between first equipment 1001 and second equipment 1002 Network time delay.

Optionally, the network monitoring system also includes：

Management equipment 1004, for carrying out performance monitoring parameter configuration to first equipment 1001, wherein, The management equipment is network management system or software defined network SDN controllers.

Optionally, the management equipment 1004, is carrying out performance monitoring parameters to first equipment 1001 During configuration, it is used for：

The second round and the period 3 are configured to first equipment 1001.

Optionally, first equipment 1001 is additionally operable to：

It is determined that the packet loss of network between first equipment 1001 and second equipment 1002, and Determine the network between first equipment 1001 and second equipment 1002 when delay, by determine The packet loss of the network between first equipment 1001 and second equipment 1002, first equipment The time delay of the network between 1001 and second equipment 1002, reports to the management equipment 1004；

The management equipment 1004, is additionally operable to receive first equipment 1001 and second equipment 1002 Between the packet loss of network, network between first equipment 1001 and second equipment 1002 Time delay.

Optionally, the network monitoring system also includes：

3rd equipment 1003, for receiving the ICMP request data packages that first equipment 1001 sends, And the ICMP request data packages are transmitted to into second equipment 1002；

3rd equipment 1003 is additionally operable to receive the icmp reply data that second equipment 1002 sends Bag, and the icmp reply packet is transmitted to into first equipment 1001, wherein, the described 3rd sets Standby 1003 is L2/L3 bridging devices.

Optionally, the ICMP request data packages for receiving are being transmitted to institute by the 3rd equipment 1003 When stating the second equipment 1002, specifically for：

According to the IP address and the mapping relations of MAC Address of storage, the ICMP request data packages are determined In the corresponding MAC Address of destination address that includes；And corresponding two straton of MAC Address by determining The ICMP request data packages are forwarded to second equipment 1002 by interface, wherein the destination address For IP address；Or

According to the IP address and the mapping relations of VLAN ID of storage, the ICMP request data packages are determined In the corresponding VLAN ID of destination address that include；And connect by corresponding two stratons of VLAN ID for determining Mouthful, the ICMP request data packages are forwarded to into second equipment 1002, wherein, the destination address For IP address.

Optionally, the icmp reply packet is being transmitted to described first by the 3rd equipment 1003 During equipment 1001, including：

The icmp reply packet is transmitted to by institute by the corresponding three stratons interface of IP address for determining State the first equipment 1001.

Based on above example, present invention also offers a kind of first equipment, first equipment can be using figure The method that 2 corresponding embodiments are provided, can be and the first equipment identical equipment shown in Fig. 7.Refer to Shown in Figure 11, first equipment 1100 includes：Transceiver 1101, processor 1102, bus 1103 with And memorizer 1104, wherein：

Transceiver 1101, processor 1102 and memorizer 1104 are connected with each other by bus 1103；Always Line 1103 can be Peripheral Component Interconnect standard (peripheral component interconnect, abbreviation PCI) Bus or EISA (extended industry standard architecture, abbreviation EISA) Bus etc..The bus can be divided into address bus, data/address bus, controlling bus etc..For ease of representing, Only represented with a thick line in Figure 11, it is not intended that only one bus or a type of bus.

Transceiver 1101 is communicated for the equipment being connected with first equipment 1100, such as to described The second equipment in the corresponding subnet of one equipment, 1100 a port sends ICMP request data packages, receives Icmp reply packet that second equipment is returned etc..

Processor 1102 is used for the network monitoring method for realizing shown in embodiment of the present invention Fig. 2, including：

Multiple the Internet controls are sent to the second equipment in the corresponding subnet in the port by a port Message protocol ICMP request data packages, include original time stamp in any one ICMP request data package, Wherein, the original time stamp is the time that the processor 1102 sends the ICMP request data packages, First equipment be L3PTN equipment, second equipment be L3PTN equipment, or two layers packet pass Send net L2PTN equipment, or base station；

Receive the icmp reply packet that second equipment is returned, the icmp reply packet correspondence The ICMP request data package that first equipment sends, includes in the icmp reply packet and sends out Send timestamp, receive timestamp and the original time stamp in the ICMP request data packages, wherein, it is described to connect The time that timestamp is that second equipment receives the ICMP request data packages is received, the transmission timestamp is Second equipment sends the time of the icmp reply packet；

According to number and the ICMP requests of transmission of the icmp reply packet received in preset time period The number of packet, determines the packet loss of the network between first equipment and second equipment；And

Optionally, the processor 1102 passes through the port to second in the corresponding subnet in the port Equipment sends multiple ICMP request data packages, including：

By the port according to the period 1 for arranging, described second into the corresponding subnet in the port Equipment sends ICMP request data packages, and the period 1 is 1 millisecond, or 11/3 millisecond, or 11 millis Second, or 110 milliseconds, or 1 second.

Optionally, the processor 1102 determines the network between first equipment and second equipment Packet loss, including：

The processor 1102 determines the time delay of the network between first equipment and second equipment, Including：

Optionally, the processor 1102 is it is determined that net between first equipment and second equipment The packet loss of network, and determine network between first equipment and second equipment when delay, also wrap Include：

The packet loss of the network between first equipment for determining and second equipment, described first are set The standby time delay with the network between second equipment, reports to network management system or SDN controllers.

Optionally, the processor 1102 sends ICMP request data packages to second equipment, including：

The processor 1102 receives the icmp reply packet that second equipment is returned, including：

Receive the icmp reply packet of second equipment by the 3rd device forwards.

First equipment 1100 also includes memorizer 1104, for depositing program etc..Specifically, program can So that including program code, the program code includes computer-managed instruction.Memorizer 1104 may comprising with Machine access memorizer (random access memory, RAM), it is also possible to also including non-volatile memories Device (non-volatile memory), for example, at least one disk memory.Processor 1102 performs storage The application program deposited by device 1104, realizes as above network monitoring method.

Based on above example, present invention also offers a kind of 3rd equipment, the 3rd equipment can be using figure The method that 3 corresponding embodiments are provided, can be and the 3rd equipment identical equipment shown in Fig. 8.Refer to Shown in Figure 12, the 3rd equipment 1200 includes：Transceiver 1201, processor 1202, bus 1203 with And memorizer 1204, wherein：

Transceiver 1201, processor 1202 and memorizer 1204 are connected with each other by bus 1203；Always Line 1203 can be Peripheral Component Interconnect standard (peripheral component interconnect, abbreviation PCI) Bus or EISA (extended industry standard architecture, abbreviation EISA) Bus etc..The bus can be divided into address bus, data/address bus, controlling bus etc..For ease of representing, Only represented with a thick line in Figure 12, it is not intended that only one bus or a type of bus.

Transceiver 1201 is communicated for the equipment being connected with the 3rd equipment 1200, such as receives first The ICMP request data packages that equipment sends, and it is forwarded to the second equipment；The ICMP for receiving the second equipment is returned Complex data bag, and it is forwarded to first equipment etc..

Processor 1202 is used for the method for realizing the network monitor shown in embodiment of the present invention Fig. 3, including：

The ICMP request data packages of the first equipment transmission are received, and the ICMP request data packages are forwarded To the second equipment, original time stamp in the ICMP request data packages, is included, wherein, the original time Stab the time that the ICMP request data packages are sent for first equipment, first equipment is L3PTN Equipment, second equipment are L3PTN equipment, or L2PTN equipment, or base station, and the described 3rd sets Standby is L2/L3 bridging devices；

Receive the icmp reply packet that second equipment sends, and by the icmp reply packet First equipment is forwarded to, the icmp reply packet corresponds to that first equipment sends ICMP request data packages, in the icmp reply packet comprising send timestamp, receive timestamp and Original time stamp in the ICMP request data packages, wherein, the reception timestamp is second equipment The time of the ICMP request data packages is received, the transmission timestamp is described in second equipment sends The time of icmp reply packet.

Optionally, the ICMP request data packages are forwarded to second equipment by the processor 1202, Including：

Internet protocol IP address and media access control MAC ground of the processor 1202 according to storage The mapping relations of location, the corresponding MAC ground of the destination address included in determining the ICMP request data packages Location；And the corresponding two stratons interface of MAC Address by determining, the ICMP request data packages are turned Second equipment is sent to, wherein, the destination address is IP address；Or

Mapping of the processor 1202 according to the IP address and VLAN ID VLAN ID of storage Relation, the corresponding VLAN ID of the destination address included in determining the ICMP request data packages；And pass through It is determined that the corresponding two stratons interfaces of VLAN ID, the ICMP request data packages are forwarded to into described Two equipment, wherein, the destination address is IP address.

Optionally, the icmp reply packet is forwarded to first equipment by the processor 1202, Including：

3rd equipment 1200 also includes memorizer 1204, for depositing program etc..Specifically, program can So that including program code, the program code includes computer-managed instruction.Memorizer 1204 may comprising with Machine access memorizer (random access memory, RAM), it is also possible to also including non-volatile memories Device (non-volatile memory), for example, at least one disk memory.Processor 1202 performs storage The application program deposited by device 1204, realizes as above network monitoring method.

Based on above example, present invention also offers a kind of second equipment, refering to shown in Figure 13, this Two equipment 1300 include：Transceiver 1301, processor 1302, bus 1303 and memorizer 1304, Wherein：

Transceiver 1301, processor 1302 and memorizer 1304 are connected with each other by bus 1303；Always Line 1303 can be Peripheral Component Interconnect standard (peripheral component interconnect, abbreviation PCI) Bus or EISA (extended industry standard architecture, abbreviation EISA) Bus etc..The bus can be divided into address bus, data/address bus, controlling bus etc..For ease of representing, Only represented with a thick line in Figure 13, it is not intended that only one bus or a type of bus.

Transceiver 1301 is communicated for the equipment being connected with second equipment 1300, such as receives first The ICMP request data packages that equipment sends, and icmp reply packet etc. is returned to first equipment.

Processor 1302 is used for the network monitoring method for realizing shown in embodiment of the present invention Fig. 4, including：

Receive the ICMP request data package that the first equipment in PTN sends, the ICMP number of requests According in bag include original time stamp, wherein, the original time stamp sends the ICMP for first equipment The time of request data package, first equipment are the L3PTN equipment in the PTN, and described second sets Standby is L3PTN equipment, or L2PTN equipment, or base station；

Icmp reply packet is returned to first equipment, the icmp reply packet correspondence is described The ICMP request data packages that first equipment sends, when in the icmp reply packet comprising sending Between stamp, the original time stamp received in timestamp and the ICMP request data packages, wherein, the reception Timestamp is the time that the processor 1302 receives the ICMP request data packages, the transmission time Stab the time that the icmp reply packet is sent for the processor 1302.

Optionally, the processor 1302 receives the ICMP request datas that first equipment sends Bag, including：

The processor 1302 receives the ICMP request of first equipment by the 3rd device forwards Packet, wherein, the 3rd equipment is L2/L3 bridging devices；

The processor 1302 returns the icmp reply packet to first equipment, including：

The processor 1302 is by the 3rd equipment to icmp reply described in first device forwards Packet.

Second equipment 1300 also includes memorizer 1304, for depositing program etc..Specifically, program can So that including program code, the program code includes computer-managed instruction.Memorizer 1304 may comprising with Machine access memorizer (random access memory, RAM), it is also possible to also including non-volatile memories Device (non-volatile memory), for example, at least one disk memory.Processor 1302 performs storage The application program deposited by device 1304, realizes as above network monitoring method.

The network monitoring method for providing according to embodiments of the present invention, apparatus and system, the first equipment in PTN ICMP request data packages are sent to the second equipment, comprising indicating described the in the ICMP request data packages One equipment sends the original time stamp of the time of the ICMP request data packages；Second equipment is received After the ICMP request data packages, icmp reply packet, the ICMP are returned to first equipment Packet is replied to should the ICMP request data packages.The ICMP is included in the icmp reply packet Original time stamp, reception timestamp and transmission timestamp in request data package.First equipment is received The icmp reply packet that second equipment is returned；First equipment is according in preset time period The business of the number of the number of the icmp reply packet of interior reception and the ICMP request data packages for sending, really The packet loss of fixed network between first equipment and second equipment.First equipment is according to reception Icmp reply packet in comprising the difference for receiving timestamp and original time stamp, and during the transmission Between stamp and the difference for receiving timestamp, determine network between first equipment and second equipment when Prolong；Wherein, first equipment is L3PTN equipment, and second equipment is the L3PTN in the PTN Equipment, or L2PTN equipment, or base station.So, the L3PTN equipment in the PTN can lead to Cross ICMP request data packages and icmp reply packet, be accurately determined the L3PTN equipment and its His L3PTN equipment, the packet loss of network between L2PTN equipment or base station and time delay, and realizing this During the network monitoring method that inventive embodiments are provided, to the L3PTN equipment in PTN, L2PTN equipment There is no performance requirement with base station, the suitability is higher.

, but those skilled in the art once know base although preferred embodiments of the present invention have been described This creative concept, then can make other change and modification to these embodiments.So, appended right will Ask and be intended to be construed to include preferred embodiment and fall into the had altered of the scope of the invention and change.

Obviously, those skilled in the art can carry out various changes and modification and not take off to the embodiment of the present invention From the spirit and scope of the embodiment of the present invention.So, if these modifications of the embodiment of the present invention and modification belong to Within the scope of the claims in the present invention and its equivalent technologies, then the present invention be also intended to comprising these change and Including modification.

Claims

1. a kind of network monitoring method, it is characterised in that include：

The first equipment in Packet Transport Network PTN is by a port into the corresponding subnet in the port Second equipment sends multiple ICMP ICMP request data packages, and any one ICMP please Original time stamp is included in seeking packet, wherein, the original time stamp is that first equipment transmission should The time of ICMP request data packages, first equipment be three layers of Packet Transport Network L3 PTN devices, institute The second equipment is stated for L3 PTN devices, or two layers of Packet Transport Network L2 PTN devices, or base station；

2. method according to claim 1, it is characterised in that first equipment passes through the end Mouth sends multiple ICMP request data packages to the second equipment in the corresponding subnet in the port, including：

3. method as claimed in claim 1 or 2, it is characterised in that first equipment determines described The packet loss of the network between the first equipment and second equipment, including：

4. the method as described in any one of claim 1-3, it is characterised in that first equipment is true The packet loss of fixed network between first equipment and second equipment, and determine first equipment with Network between second equipment when delay, also include：

5. the method as described in any one of claim 1-4, it is characterised in that first equipment is to institute State the second equipment and send ICMP request data packages, including：

6. a kind of network monitoring method, it is characterised in that include：

The 3rd equipment in Packet Transport Network PTN receives the ICMP request data packages that the first equipment sends, And the ICMP request data packages are forwarded to into the second equipment, comprising original in the ICMP request data packages Beginning timestamp, wherein, the original time stamp is that first equipment sends the ICMP request data packages Time, first equipment are three layers of Packet Transport Network L3 PTN devices, and second equipment is L3 PTN Equipment, or two layers of Packet Transport Network L2 PTN devices, or base station, the 3rd equipment are two layers/tri- layers L2/L3 bridging devices；

7. method as claimed in claim 6, it is characterised in that the 3rd equipment is by the ICMP Request data package is forwarded to second equipment, including：

8. method as claimed in claims 6 or 7, it is characterised in that the 3rd equipment is by the ICMP Reply packet and be forwarded to first equipment, including：

9. a kind of network monitoring method, it is characterised in that include：

Second equipment receives the Internet Control Message that the first equipment in Packet Transport Network PTN sends Agreement ICMP request data package, includes original time stamp in the ICMP request data packages, wherein, institute State the time that original time stamp is that first equipment sends the ICMP request data packages, first equipment For three layers of Packet Transport Network L3 PTN devices in the PTN, second equipment is L3 PTN devices, Or two layers of Packet Transport Network L2 PTN devices, or base station；

10. method as claimed in claim 9, it is characterised in that second equipment receives described first The ICMP request data packages that equipment sends, including：

Second equipment returns the icmp reply packet to first equipment, including：

11. a kind of first equipment, it is characterised in that be applied in Packet Transport Network PTN, described first Equipment includes：

Transmitting element, for sending many to the second equipment in the corresponding subnet in the port by a port Individual ICMP ICMP request data packages, include in any one ICMP request data package Original time stamp, wherein, the original time stamp sends the ICMP request data packages for the transmitting element Time, first equipment be three layers of Packet Transport Network L3 PTN devices, second equipment be L3 PTN device, or two layers of Packet Transport Network L2 PTN devices, or base station；

12. first equipment according to claim 11, it is characterised in that the transmitting element, tool Body is used for：

13. the first equipment as described in claim 11 or 12, it is characterised in that the processing unit, It is determined that network between first equipment and second equipment packet loss when, specifically for：

14. the first equipment as described in any one of claim 11-13, it is characterised in that the process list Unit is it is determined that the packet loss of network between first equipment and second equipment, and determines described first Network between equipment and second equipment when delay, also include：

15. the first equipment as described in any one of claim 11-14, it is characterised in that the transmission list Unit, when ICMP request data packages are sent to second equipment, specifically for：

Receive the icmp reply packet of second equipment by the 3rd device forwards.

16. a kind of 3rd equipment, it is characterised in that be applied in Packet Transport Network PTN, the described 3rd Equipment includes：

Transmitting element, for the ICMP request data packages are forwarded to the second equipment, second equipment For L3 PTN devices, or two layers of Packet Transport Network L2 PTN devices, or base station；

17. the 3rd equipment as claimed in claim 16, it is characterised in that the 3rd equipment also includes：

18. the 3rd equipment as described in claim 16 or 17, it is characterised in that the 3rd equipment is also Including：

19. a kind of second equipment, it is characterised in that include：

Receiving unit, for receiving a Internet control of the transmission of the first equipment in Packet Transport Network PTN Message protocol ICMP request data packages processed, include original time stamp in the ICMP request data packages, its In, the original time stamp is the time that first equipment sends the ICMP request data packages, described One equipment is three layers of Packet Transport Network L3 PTN devices in the PTN, and second equipment is L3 PTN Equipment, or two layers of Packet Transport Network L2 PTN devices, or base station；

20. second equipment as claimed in claim 19, it is characterised in that the receiving unit, are connecing When receiving the ICMP request data packages that first equipment sends, specifically for：

By the 3rd equipment to icmp reply packet described in first device forwards.

21. a kind of network monitoring systems, it is characterised in that be applied in Packet Transport Network PTN, the net Network detecting system includes：

First equipment, for sending many to the second equipment in the corresponding subnet in the port by a port Individual ICMP ICMP request data packages, include in any one ICMP request data package Original time stamp, wherein, the original time stamp sends the ICMP request data packages for first equipment Time, first equipment be three layers of Packet Transport Network L3 PTN devices；

Second equipment, for receiving the ICMP request data package that first equipment sends, and is directed to The ICMP request data packages for receiving, generate icmp reply packet, and the icmp reply that will be generated Packet returns to first equipment, and the icmp reply data are included in the icmp reply packet Comprising the original time stamp sent in timestamp, reception timestamp and the ICMP request data packages in bag, its In, the timestamp that receives is time that second equipment receives the ICMP request data packages, described The time that timestamp is that second equipment sends the icmp reply packet, second equipment is sent to be L3 PTN devices, or two layers of Packet Transport Network L2 PTN devices, or base station；

22. network monitoring systems as claimed in claim 21, it is characterised in that first equipment, For：

23. network monitoring systems as described in claim 21 or 22, it is characterised in that described first sets It is standby it is determined that network between first equipment and second equipment packet loss when, be used for：

24. network monitoring systems as claimed in claim 23, it is characterised in that the network monitor system System also includes：

25. network monitoring systems as claimed in claim 24, it is characterised in that the management equipment, When performance monitoring parameter configuration is carried out to first equipment, it is used for：

To second round and the period 3 described in first device configuration.

26. network monitoring systems as described in claim 24 or 25, it is characterised in that described first sets It is standby to be additionally operable to：

27. network monitoring systems as described in any one of claim 21-26, it is characterised in that the net Network monitoring system also includes：

28. network monitoring systems as claimed in claim 27, it is characterised in that the 3rd equipment, When the ICMP request data packages for receiving are transmitted to second equipment, specifically for：

29. network monitoring systems as described in claim 27 or 28, it is characterised in that the described 3rd sets It is standby, when the icmp reply packet is transmitted to first equipment, including：