CN104219144A

CN104219144A - Method and system for determining forwarding paths of service flow and network management system

Info

Publication number: CN104219144A
Application number: CN201410455859.1A
Authority: CN
Inventors: 孙昌盛; 宋小琳; 苏俊
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2014-09-09
Filing date: 2014-09-09
Publication date: 2014-12-17
Anticipated expiration: 2034-09-09
Also published as: CN104219144B

Abstract

An embodiment of the invention provides a method and a system for determining forwarding paths of service flow and a network management system. Path detection devices are externally connected with routing interfaces where the service flow passes on the forwarding paths. The method includes acquiring service flow information of the service flow; indicating the starting path detection devices to forward path detection messages to destination IP (internet protocol) addresses according to the service flow information and acquiring path detection information; determining the forwarding paths according to the path detection information. The method, the system and the network management system in the embodiment of the invention have the advantages that the path detection messages, which are transmitted to the destination IP addresses of the service flow by the starting path detection devices, of paths can be transmitted through the other path detection devices on the forwarding paths, accordingly, the path detection information can be acquired by the aid of the path detection messages, the forwarding paths can be determined by the aid of the path detection information, and the service flow forwarding path determining efficiency can be improved.

Description

Determine method, the System and Network management system of the forward-path of Business Stream

Technical field

The present invention relates to the communications field, and more specifically, relate to a kind of method, System and Network management system of forward-path of definite Business Stream.

Background technology

Along with developing rapidly of IP (Internet Protocol, Internet protocol) technology, IP network occupies more and more consequence in field of telecommunication networks.At present, access and carrying, flexible exchanging network that IP network is widely used in Internet business carry, big customer's service bearer, wireless backhaul carrying etc.

IPFPM (IP Flow Performance Measurement, IP flows performance measurement) technology is a kind of accurate IP network quality determining method, can detect exactly the packet loss of Business Stream, the network performance indexes such as Forwarding Delay.Realize the IPFPM of Business Stream, need to obtain in advance the forward-path of Business Stream.

In prior art, in order to obtain the forward-path of Business Stream, need to manually search the routing table that Business Stream forwards user interface on path, because the user interface of dissimilar routing device may be different, cause artificial enquiry workload large, process is complicated.

Summary of the invention

The embodiment of the present invention provides a kind of method, System and Network management system of forward-path of definite Business Stream, forwards definite efficiency in path to improve Business Stream.

First aspect, a kind of method of forward-path of definite Business Stream is provided, described method is applied to network management system, on described forward-path, the routing interface of described Business Stream process is circumscribed with path sniffer, described method comprises: obtain the Business Stream information of described Business Stream, described Business Stream information comprises the sign of the object IP address of described Business Stream and the initial path sniffer on described forward-path; According to described Business Stream information, by indicating described initial path sniffer to described object IP address forward-path probe messages, acquisition approach detection information, described path detection information comprises: the sign of all the other the path sniffers on described forward-path except the sniffer of described initial path, and the routing information of described all the other path sniffers, described routing information is used to indicate described all the other path sniffer positions on described forward-path; According to described path detection information, determine described forward-path.

In conjunction with first aspect, in a kind of implementation of first aspect, described all the other path sniffers comprise N path sniffer, N is more than or equal to 2, described routing information comprises: described N N sub path information corresponding to path sniffer difference, wherein, i sub path information is used to indicate the position of i path sniffer on described forward-path, i be more than or equal to 1 and i be less than or equal to N;

Described according to described Business Stream information, by indicating described initial path sniffer to described object IP address forward-path probe messages, acquisition approach detection information, comprise: according to the sign of described initial path sniffer, to described initial path sniffer transmit path probe command, described path probe command comprises described object IP address, be used to indicate described initial path sniffer and send described path probe messages to described object IP address, described path probe messages is used to indicate described i path sniffer and sends described i sub path information to described network management system, from described i path sniffer, receive described i sub path information, and obtain the sign of the described i path sniffer that sends described i sub path information.

In conjunction with any of first aspect or its above-mentioned implementation, in the another kind of implementation of first aspect, described all the other path sniffers comprise N path sniffer, N is more than or equal to 2, described routing information comprises: described N N sub path information corresponding to path sniffer difference, wherein, i sub path information is used to indicate the position of i path sniffer on described forward-path, i be more than or equal to 1 and i be less than or equal to N, described Business Stream information also comprises the sign of path, described forward-path end sniffer, described according to described Business Stream information, by indicating described initial path sniffer to described object IP address forward-path probe messages, acquisition approach detection information, comprise: according to the sign of described initial path sniffer, to described initial path sniffer transmit path probe command, described path probe command comprises described object IP address, be used to indicate described initial path sniffer and send described path probe messages to described object IP address, described path probe messages is used to indicate described i path sniffer the sign of described i path sniffer and described i sub path information is added in the probe messages of described path, according to the sign of path, described end sniffer, to path, described end sniffer transmit path, survey and stop order, the detection termination order of described path is used to indicate path, described end sniffer and from the probe messages of described path, obtains described path detection information, and reports described path detection information to described network management system, from path, described end sniffer, receive described path detection information.

In conjunction with any of first aspect or its above-mentioned implementation, in the another kind of implementation of first aspect, described according to described path detection information, determine described forward-path, comprise: according to the priority of described all the other path sniffer positions on described forward-path of described routing information indication, the sign of described all the other path sniffers is sorted, obtain described forward-path.

In conjunction with any of first aspect or its above-mentioned implementation, in the another kind of implementation of first aspect, message characteristic information when described path detection information also wraps described path sniffer and is forwarded to described all the other paths sniffer, described message characteristic information comprises one or more in following information: MPLS label, VPN label and VLAN label.

In conjunction with any of first aspect or its above-mentioned implementation, in the another kind of implementation of first aspect, the described Business Stream information of obtaining described Business Stream, comprise: the sign of obtaining described Business Stream, wherein, the combination of the source IP address that is designated described Business Stream message of described Business Stream and object IP address, or the combination of the source IP address that is designated described Business Stream message of described Business Stream, source port, object IP address and destination interface; According to the sign of described Business Stream, by searching the corresponding relation of described traffic stream identifier and described Business Stream information, obtain described Business Stream information.

In conjunction with any of first aspect or its above-mentioned implementation, in the another kind of implementation of first aspect, described all the other path sniffers comprise N path sniffer, N is more than or equal to 2, described routing information comprises: described N N sub path information corresponding to path sniffer difference, wherein, i sub path information is used to indicate the position of i path sniffer on described forward-path, described i sub path information is that the sub path information of the upper hop path sniffer that carries in this path probe messages while receiving described path probe messages based on described i path sniffer is determined, i be more than or equal to 1 and i be less than or equal to N.

In conjunction with first aspect or its above-mentioned implementation any, in the another kind of implementation of first aspect, described i sub path information is the jumping figure of described i path sniffer on described forward-path.

Second aspect, a kind of network management system is provided, described network management system comprises: the first acquiring unit, for obtaining the Business Stream information of Business Stream, on the forward-path of described Business Stream, the routing interface of described Business Stream process is circumscribed with path sniffer, and described Business Stream information comprises the sign of the object IP address of described Business Stream and the initial path sniffer on described forward-path; Second acquisition unit, for the described Business Stream information of obtaining according to described the first acquiring unit, by indicating described initial path sniffer to described object IP address forward-path probe messages, acquisition approach detection information, described path detection information comprises: the sign of all the other the path sniffers on described forward-path except the sniffer of described initial path, and the routing information of described all the other path sniffers, described routing information is used to indicate described all the other path sniffer positions on described forward-path; Determining unit, for the described path detection information obtaining according to described second acquisition unit, determines described forward-path.

In conjunction with second aspect, in a kind of implementation of second aspect, described all the other path sniffers comprise N path sniffer, N is more than or equal to 2, described routing information comprises: described N N sub path information corresponding to path sniffer difference, wherein, i sub path information is used to indicate the position of i path sniffer on described forward-path, i be more than or equal to 1 and i be less than or equal to N; Described second acquisition unit is specifically for according to the sign of described initial path sniffer, to described initial path sniffer transmit path probe command, described path probe command comprises described object IP address, be used to indicate described initial path sniffer and send described path probe messages to described object IP address, described path probe messages is used to indicate described i path sniffer and sends described i sub path information to described network management system; From described i path sniffer, receive described i sub path information, and obtain the sign of the described i path sniffer that sends described i sub path information.

In conjunction with any of second aspect or its above-mentioned implementation, in the another kind of implementation of second aspect, described all the other path sniffers comprise N path sniffer, N is more than or equal to 2, described routing information comprises: described N N sub path information corresponding to path sniffer difference, wherein, i sub path information is used to indicate the position of i path sniffer on described forward-path, described Business Stream information also comprises the sign of path, described forward-path end sniffer, i be more than or equal to 1 and i be less than or equal to N; Described second acquisition unit is specifically for according to the sign of described initial path sniffer, to described initial path sniffer transmit path probe command, described path probe command comprises described object IP address, described path probe command is used to indicate described initial path sniffer and sends described path probe messages to described object IP address, and described path probe messages is used to indicate described i path sniffer the sign of described i path sniffer and described i sub path information are added in the probe messages of described path; According to the sign of path, described end sniffer, to path, described end sniffer transmit path, survey and stop order, the detection termination order of described path is used to indicate path, described end sniffer and from the probe messages of described path, obtains described path detection information, and reports described path detection information to described network management system; From path, described end sniffer, receive described path detection information.

In conjunction with any of second aspect or its above-mentioned implementation, in the another kind of implementation of second aspect, described determining unit is specifically for according to the priority of described all the other path sniffer positions on described forward-path of described routing information indication, the sign of described all the other path sniffers is sorted, obtain described forward-path.

In conjunction with any of second aspect or its above-mentioned implementation, in the another kind of implementation of second aspect, message characteristic information when described path detection information also wraps described path sniffer and is forwarded to described all the other paths sniffer, described message characteristic information comprises one or more in following information: MPLS label, VPN label and VLAN label.

In conjunction with any of second aspect or its above-mentioned implementation, in the another kind of implementation of second aspect, described the first acquiring unit is specifically for obtaining the sign of described Business Stream, wherein, the combination of the source IP address that is designated described Business Stream message of described Business Stream and object IP address, or the combination of the source IP address that is designated described Business Stream message of described Business Stream, source port, object IP address and destination interface; According to the sign of described Business Stream, by searching the corresponding relation of described traffic stream identifier and described Business Stream information, obtain described Business Stream information.

In conjunction with any of second aspect or its above-mentioned implementation, in the another kind of implementation of second aspect, described all the other path sniffers comprise N path sniffer, N is more than or equal to 2, described routing information comprises: described N N sub path information corresponding to path sniffer difference, wherein, i sub path information is used to indicate the position of i path sniffer on described forward-path, described i sub path information is that the sub path information of the upper hop path sniffer that carries in this path probe messages while receiving described path probe messages based on described i path sniffer is determined, i be more than or equal to 1 and i be less than or equal to N.

In conjunction with second aspect or its above-mentioned implementation any, in the another kind of implementation of second aspect, described i sub path information is the jumping figure of described i path sniffer on described forward-path.

The third aspect, a kind of system of forward-path of definite Business Stream is provided, described system comprises that NMS is unified and is positioned at the path sniffer on described forward-path, path sniffer on described forward-path is connected on outward on the routing interface of described Business Stream process, path sniffer on described forward-path comprises the initial path sniffer that is positioned at described forward-path original position, and all the other path sniffers except the sniffer of described initial path on described forward-path, wherein, described network management system is for obtaining the Business Stream information of described Business Stream, described Business Stream information comprises the object IP address of described Business Stream and the sign of described initial path sniffer, according to described Business Stream information, indicate described initial path sniffer to described object IP address forward-path probe messages, acquisition approach detection information, according to described path detection information, determine described forward-path, described path detection information comprises: the sign of described all the other path sniffers, and the routing information of described all the other path sniffers, described routing information is used to indicate described all the other path sniffer positions on described forward-path, described initial path sniffer is used for according to the indication of described network management system to described object IP address transmit path probe messages, described all the other path sniffers are used for obtaining described routing information according to described path probe messages, and send described path detection information to described network management system.

In conjunction with the third aspect, in a kind of implementation of the third aspect, described all the other path sniffers comprise N path sniffer, described routing information comprises: described N N sub path information corresponding to path sniffer difference, N is more than or equal to 2, wherein, i sub path information is used to indicate the position of i path sniffer on described forward-path, i be more than or equal to 1 and i be less than or equal to N; Described network management system is specifically for according to the sign of described initial path sniffer, and to described initial path sniffer transmit path probe command, described path probe command comprises described object IP address; Described initial path sniffer, specifically for after receiving described path probe command, obtains described object IP address from the probe command of described path, and forwards described path probe messages to described object IP address; Described i path sniffer when receiving described path probe messages, obtains described i sub path information according to described path probe messages; To described network management system, send described i sub path information.

In conjunction with any of the third aspect or its above-mentioned implementation, in the another kind of implementation of the third aspect, described all the other path sniffers comprise N path sniffer, N is more than or equal to 2, described routing information comprises: described N N sub path information corresponding to path sniffer difference, wherein, i sub path information is used to indicate the position of i path sniffer on described forward-path, i be more than or equal to 1 and i be less than or equal to N; Described Business Stream information also comprises the sign of path, described forward-path end sniffer, described network management system is specifically for according to the sign of described initial path sniffer, to described initial path sniffer transmit path probe command, according to the sign of path, described end sniffer, to path, described end sniffer transmit path, survey and stop order, wherein, described path probe command comprises described object IP address; Described initial path sniffer, specifically for after receiving described path probe command, obtains described object IP address from the probe command of described path, to described object IP address, sends described path probe messages; When the intermediate path sniffer in described N path sniffer except the sniffer of path, described end is used for receiving described path probe messages, according to described path probe messages, obtain sub path information corresponding to described intermediate path sniffer, the sign of described intermediate path sniffer and sub path information corresponding to described intermediate path sniffer are added in the probe messages of described path, to the path sniffer of the down hop on described forward-path, forward described path probe messages; When path, described end sniffer is used for receiving described path probe messages, according to described path probe messages, obtain sub path information corresponding to path, described end sniffer, the sign of path, described end sniffer and sub path information corresponding to path, described end sniffer are added in the probe messages of described path, from the probe messages of described path, obtain described path detection information, to described network management system, send described path detection information.

In the embodiment of the present invention, because path sniffer is connected on outward on the routing interface that Business Stream flows through, therefore, the path probe messages that initial path sniffer sends to Business Stream object IP address can be through all the other the path sniffers on this forward-path, thereby can utilize this path probe messages to obtain the path detection informations such as the sign of all the other path sniffers and position, utilize this path detection information can determine this forward-path, improved the efficiency that definite Business Stream forwards path.

Accompanying drawing explanation

In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, to the accompanying drawing of required use in the embodiment of the present invention be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.

Fig. 1 is the system architecture exemplary plot when embodiment of the present invention is applied to IP wireless carrier network.

Fig. 2 is the schematic diagram of optical module and routing node assembly relation.

Fig. 3 is the exemplary plot of routing node, optical module and optical fiber connected mode.

Fig. 4 is the indicative flowchart of method of forward-path of definite Business Stream of the embodiment of the present invention.

Fig. 5 is the schematic block diagram of the network management system of the embodiment of the present invention.

Fig. 6 is the schematic block diagram of the network management system of the embodiment of the present invention.

Fig. 7 is the schematic block diagram of system of forward-path of definite Business Stream of the embodiment of the present invention.

Embodiment

Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is a part of embodiment of the present invention, rather than whole embodiment.Embodiment based in the present invention, the every other embodiment that those of ordinary skills obtain under the prerequisite of not making creative work, should belong to the scope of protection of the invention.

Should be understood that the embodiment of the present invention can be applied to various IP network, as Internet, soft exchange load-bearing network, IP wireless backhaul bearer network etc.For convenience of description, mainly take IP wireless backhaul bearer network is below example.

In IP wireless backhaul bearer network, the message in Business Stream flows to base station and controls node from base station.Micro-communication service stream of take is example, when mobile phone sends picture with micro-letter, image content is encoded in base station, be encapsulated into that to take the IP address of base station be source IP address, take IP address that base station controls node in the IP message of object IP address, then by routing node (router or switch etc.), node is controlled in this IP message repeating to station, and be further sent to the server of micro-letter.Above-mentioned base station can be BTS (Base Transceiver Station, base transceiver station), NodeB (Node B) or eNodeB (evolved NodeB, the Node B of evolution) the various base stations such as, the control node of above-mentioned base station can be BSC (Base Station Controller, base station controller), RNC (Radio Network Controller, radio network controller), SGW (Service Gateway, service webmaster) or the network element such as MME (Mobility Management Entity, mobile management entity).

Fig. 1 is the system architecture exemplary plot when embodiment of the present invention is applied to IP wireless carrier network.Business Stream, from base station, passes through node 1 successively to node 5, finally arrives base station and controls node.Suppose that network management system will carry out IPFPM to the forward-path that node 5 forms to Business Stream at node 1, this network management system just need to be obtained this forward-path.

Should be understood that forward-path is comprised of a plurality of nodes, each node is by the transmitting-receiving of message in the routing interface finishing service stream being located thereon.Particularly, when Business Stream arrives a node, can enter from the incoming interface of this node, outgoing interface leaves.In order to obtain the forward-path of Business Stream, the embodiment of the present invention is introduced a plurality of paths sniffer, and these path sniffers are distributed on forward-path to be detected, and is connected with the routing interface of node on forward-path by external mode.It should be noted that, each node can external one or more path sniffers, for example, and in Fig. 1, node 1 is to equal external 1 the path sniffer on incoming interface of node 4, and node 5 is external respectively 1 path sniffer on incoming interface and outgoing interface.

Path sniffer has the sign of oneself, this sign can be ESN (the equipment serial number of marking equipment that can be unique, equipment Serial Number), network management system can find the position of path sniffer in network according to the sign of path sniffer.The specific product form of path sniffer can have multiple, and for example, path sniffer can be the optical module being plugged on routing interface.Referring to Fig. 2, Fig. 2 right side shows the physical structure exemplary plot of optical module, and Fig. 2 left side illustrates the annexation of optical module and node, and optical module is inserted in the routing interface slot of node, and now, this node can be considered the host equipment of this optical module.When networking, can connect the optical module on each node by optical fiber, and then node is linked together, to form forward-path, Fig. 3 shows a kind of connected mode of node, optical module and optical fiber.

In addition,, in Fig. 1, network management system is in charge of the Business Stream carrying in IP network.It can be that general computer (comprises common PC that network management system is landed product form, work station, blade servers etc.), the function of network management system can be used as the operation of software systems (software function entity) or hardware (as circuit) on computers.Network management system and path sniffer can direct communications, also can communicate by transit node as shown in Figure 1, this transit node can be called SNC (Smart Network Controller, intelligent network controller), be mainly responsible for the forwarding of message between network management system and each path sniffer.It can be general IP network equipment (comprising switch, router etc.) that transit node lands product form, and the function that transit node is corresponding can be used as software function entity or hardware (as circuit) operates on this IP network equipment; It can be also the veneer (network equipment generally forms in the mode of machine frame+veneer combination) of IP network equipment that transit node lands product form, and the function that SNC is corresponding can be used as software function entity or hardware (as circuit) operates on this veneer.

Fig. 4 is the indicative flowchart of method of forward-path of definite Business Stream of the embodiment of the present invention.The method is applied to network management system, and on forward-path, the routing interface of Business Stream process is circumscribed with path sniffer, and the method for Fig. 4 comprises:

410, obtain the Business Stream information of Business Stream, Business Stream information comprises the sign of the object IP address of Business Stream and the initial path sniffer on forward-path.

It should be noted that, above-mentioned forward-path can be the whole forward-path of Business Stream, can be also the part forward-path of Business Stream.

Above-mentioned initial path sniffer is positioned at above-mentioned forward-path original position, and initial path sniffer is the 1st path sniffer on forward-path.For example, in Fig. 1, path sniffer 1 is initial path sniffer.

Alternatively, as an embodiment, step 410 can comprise: the sign of obtaining Business Stream, wherein, the combination of the source IP address that is designated Business Stream message of Business Stream and object IP address, or the combination of the source IP address that is designated Business Stream message of Business Stream, source port, object IP address and destination interface; According to the sign of Business Stream, by searching the corresponding relation of traffic stream identifier and Business Stream information, obtain Business Stream information.

That is to say, network management system can the sign of pre-stored Business Stream and the corresponding relation of Business Stream information, in the time need to determining the forward-path of Business Stream, and the sign based on this Business Stream just, utilize above-mentioned corresponding relation, find the Business Stream information of this Business Stream.

420, according to Business Stream information, by indicating initial path sniffer to object IP address forward-path probe messages, acquisition approach detection information, path detection information comprises: the sign of all the other the path sniffers on forward-path except the sniffer of initial path, and the routing information of all the other path sniffers, routing information is used to indicate all the other path sniffer positions on forward-path.

It should be noted that, the mode of acquisition approach detection information can have multiple, for example, by path probe messages, indicates all the other path sniffers to report own position in network; And for example, by path probe messages, indicate all the other path sniffers that the information such as sign separately and position are aggregated into and in the probe messages of path, form above-mentioned path detection information, and by path, end sniffer, the path detection information gathering is reported to network management system.

430, according to path detection information, determine forward-path.

Particularly, step 430 can comprise: the priority according to all the other path sniffer positions on forward-path of routing information indication, the sign of all the other path sniffers is sorted, and obtain forward-path.

Take Fig. 1 as example, path detection information can comprise: (the sign of path sniffer 2, the 2nd jumps), (sign of path sniffer 3, the 3rd jumps), (the sign of path sniffer 4, the 4th jumps), (sign of path sniffer 5, the 5th jumps), (sign of path sniffer 6, the 6th jumps).Because path sniffer 1 is that the 1st jumping is known information, according to jumping figure, sort from small to large and just can obtain forward-path: sniffer 5-path, sniffer 4-path, sniffer 3-path, sniffer 2-path, sniffer 1-path, path sniffer 6.

Alternatively, as an embodiment, all the other path sniffers comprise N path sniffer, routing information comprises: N N sub path information corresponding to path sniffer difference, N is more than or equal to 2, wherein, i sub path information is used to indicate the position of i path sniffer on forward-path, step 420 can comprise: according to the sign of initial path sniffer, to initial path sniffer transmit path probe command, path probe command comprises object IP address, be used to indicate initial path sniffer to object IP address transmit path probe messages, path probe messages is used to indicate i path sniffer and sends i sub path information to network management system, from i path sniffer, receive i sub path information, and obtain the sign of the i path sniffer that sends i sub path information, wherein i be more than or equal to 1 and i be less than or equal to N.Apparently, N and the i in all embodiment of the present invention is integer.

Particularly, i sub path information can be indicated which jumping that i path sniffer is forward-path.For example, during the sniffer generation pass probe messages of initial path, can in the probe messages of path, add hop=1, being used to indicate oneself is that the 1st of this forward-path is jumped.The 2nd path sniffer extracts hop=1 from the probe messages of path, learns it oneself is that the 2nd of forward-path is jumped, and then the hop value in the probe messages of path is updated to 2, and hop=2 is sent to network management system.Subsequent path sniffer is carried out and the similarly action of the 2nd path sniffer.In addition, path, end sniffer can also stop the forwarding of path probe messages, avoids its impact on follow-up network element performance.

Alternatively, as an embodiment, all the other path sniffers comprise N path sniffer, routing information comprises: N N sub path information corresponding to path sniffer difference, wherein, i sub path information is used to indicate the position of i path sniffer on forward-path, Business Stream information also comprises the sign of path, forward-path end sniffer, step 420 can comprise: according to the sign of initial path sniffer, to initial path sniffer transmit path probe command, path probe command comprises object IP address, be used to indicate initial path sniffer to object IP address transmit path probe messages, path probe messages is used to indicate i path sniffer the sign of i path sniffer and i sub path information is added in the probe messages of path, according to the sign of path, end sniffer, to path, end sniffer transmit path, survey and stop order, path is surveyed to stop ordering and is used to indicate path, end sniffer acquisition approach detection information from the probe messages of path, and reports path detection information to network management system, from path, end sniffer RX path detection information.

Illustrate, initial path sniffer can be added into the sign of oneself and hop=1 in the probe messages of path, the 2nd path sniffer is based on hop=1, the hop value of learning oneself is 2, and the sign of oneself and hop=2 are added in the probe messages of path, continue to forward, subsequent path sniffer (except path, end sniffer) is carried out the step similar to the 2nd path sniffer.Path, end sniffer will, except the sign of oneself and hop value are added in the probe messages of path, also need the path detection information in the probe messages of path to be sent to network management system.In addition, path, end sniffer also can stop the forwarding of path probe messages, avoids its impact on follow-up network element performance.Should be understood that path, above-mentioned end sniffer is last the path sniffer on forward-path.For example, in Fig. 1, path sniffer 6 is path, end sniffer.

In addition, carry out IPFPM to Business Stream, also need to obtain that in Business Stream, message is at the message characteristic information of each forward node, this message characteristic information is used for identifying message and belongs to which Business Stream.Illustrate, main flow IP network is all used MPLS/VPN (Multi-Protocol Label Switching/Virtual Private Network at present, multiprotocol label switching/VPN (virtual private network)) technology traffic streams, when IP message arrives IP bearer network border, ingress is according to the object IP address of Business Stream, for message adds initial VPN label and MPLS label, and utilize the exchange of VPN label and MPLS label to carry out follow-up message repeating.To, to using the Business Stream of MPLS/VPN technology to carry out IPFPM, just need to obtain the required MPLS/VPN label of message in identification services stream.In the prior art, implementing the required message characteristic information of IPFPM is to adopt the mode of artificial enquiry to obtain, and query script can be subject to the obstruction of the technology such as VPN protection switching technique, tunnel Nesting Technique, protecting tunnel technology, and query script is complicated.

Alternatively, as an embodiment, message characteristic information when path detection information also wraps path sniffer and is forwarded to all the other paths sniffer, message characteristic information comprises one or more in following information: MPLS label, VPN label, and VLAN label (Virtual Local Area Network Tag, virtual local area network tags).

Should be understood that because path probe messages forwards along the forward-path of Business Stream, therefore, the message characteristic information that on forward-path, each path sniffer obtains and message flow in this Business Stream message characteristic information when the sniffer of this path is consistent.

A path sniffer may receive the message from many Business Streams, and different business stream packet is during through path sniffer, and its message characteristic information is different, for example, the source IP address of message, object IP address, source port, destination interface, DSCP value or label are different.This label can comprise with lower one or more: MPLS label, VPN label or VLAN label.Particularly, using on the forward-path of MPLS and vlan technology, label can comprise: MPLS label+VLAN label; Using on the forward-path of MPLS, VPN and vlan technology, label can comprise: MPLS label+VPN label+VLAN label.

In conjunction with Fig. 1-Fig. 4, describe the method for sending out path according to definite work flow of the embodiment of the present invention in detail above, below in conjunction with Fig. 5 and Fig. 6, describe in detail according to the network management system of the embodiment of the present invention.

Fig. 5 is the schematic block diagram of the network management system of the embodiment of the present invention.Should be understood that each step that the network management system 500 of Fig. 5 is carried out by network management system in can execution graph 4, for avoiding repetition, repeat no more herein.Network management system 500 comprises:

The first acquiring unit 510, for obtaining the Business Stream information of Business Stream, on the forward-path of Business Stream, the routing interface of Business Stream process is circumscribed with path sniffer, and Business Stream information comprises the sign of the object Internet protocol IP address of Business Stream and the initial path sniffer on forward-path;

Second acquisition unit 520, for the Business Stream information of obtaining according to the first acquiring unit 510, by indicating initial path sniffer to object IP address forward-path probe messages, acquisition approach detection information, path detection information comprises: the sign of all the other the path sniffers on forward-path except the sniffer of initial path, and the routing information of all the other path sniffers, routing information is used to indicate all the other path sniffer positions on forward-path;

Determining unit 530, for the path detection information obtaining according to second acquisition unit 520, determines forward-path.

Alternatively, as an embodiment, all the other path sniffers comprise N path sniffer, routing information comprises: N N sub path information corresponding to path sniffer difference, wherein, i sub path information is used to indicate the position of i path sniffer on forward-path, second acquisition unit 520 is specifically for according to the sign of initial path sniffer, to initial path sniffer transmit path probe command, path probe command comprises object IP address, be used to indicate initial path sniffer to object IP address transmit path probe messages, path probe messages is used to indicate i path sniffer and sends i sub path information to network management system, from i path sniffer, receive i sub path information, and obtain the sign of the i path sniffer that sends i sub path information.

Alternatively, as an embodiment, all the other path sniffers comprise N path sniffer, routing information comprises: N N sub path information corresponding to path sniffer difference, wherein, i sub path information is used to indicate the position of i path sniffer on forward-path, Business Stream information also comprises the sign of path, forward-path end sniffer, second acquisition unit 520 is specifically for according to the sign of initial path sniffer, to initial path sniffer transmit path probe command, path probe command comprises object IP address, path probe command is used to indicate initial path sniffer to object IP address transmit path probe messages, path probe messages is used to indicate i path sniffer the sign of i path sniffer and i sub path information is added in the probe messages of path, according to the sign of path, end sniffer, to path, end sniffer transmit path, survey and stop order, path is surveyed to stop ordering and is used to indicate path, end sniffer acquisition approach detection information from the probe messages of path, and reports path detection information to network management system, from path, end sniffer RX path detection information.

Alternatively, as an embodiment, determining unit 530, specifically for according to the priority of all the other path sniffer positions on forward-path of routing information indication, sorts the sign of all the other path sniffers, obtains forward-path.

Alternatively, as an embodiment, message characteristic information when path detection information also wraps path sniffer and is forwarded to all the other paths sniffer, message characteristic information comprises one or more in following information: MPLS label, VPN label and VLAN label.

Alternatively, as an embodiment, the first acquiring unit 510 is specifically for obtaining the sign of Business Stream, wherein, the combination of the source IP address that is designated Business Stream message of Business Stream and object IP address, or the combination of the source IP address that is designated Business Stream message of Business Stream, source port, object IP address and destination interface; According to the sign of Business Stream, by searching the corresponding relation of traffic stream identifier and Business Stream information, obtain Business Stream information.

Alternatively, as an embodiment, all the other path sniffers comprise N path sniffer, routing information comprises: N N sub path information corresponding to path sniffer difference, wherein, i sub path information is used to indicate the position of i path sniffer on forward-path, and i sub path information is that the sub path information of the upper hop path sniffer that carries in this path probe messages while receiving path probe messages based on i path sniffer is determined.

Alternatively, as an embodiment, i sub path information is the jumping figure of i path sniffer on forward-path.

Fig. 6 is the schematic block diagram of the network management system of the embodiment of the present invention.Network management system 600 comprises: processor 610, transmitter 620 and receiver 630.

Processor 610, for obtaining the Business Stream information of Business Stream, on the forward-path of Business Stream, the routing interface of Business Stream process is circumscribed with path sniffer, and Business Stream information comprises the sign of the object Internet protocol IP address of Business Stream and the initial path sniffer on forward-path; According to Business Stream information, by transmitter 620, indicate initial path sniffers to object IP address forward-path probe messages, acquisition approach detection information, path detection information comprises: the sign of all the other the path sniffers on forward-path except the sniffer of initial path, and the routing information of all the other path sniffers, routing information is used to indicate all the other path sniffer positions on forward-path; By receiver 630 RX path detection informations, and according to described path detection information, determine forward-path.

Under a kind of implementation, described all the other path sniffers comprise N path sniffer, N is more than or equal to 2, described routing information comprises: described N N sub path information corresponding to path sniffer difference, wherein, i sub path information is used to indicate the position of i path sniffer on described forward-path, i be more than or equal to 1 and i be less than or equal to N.Processor 610 is specifically for according to the sign of described initial path sniffer, indicator-transmitter 620 is to described initial path sniffer transmit path probe command, described path probe command comprises described object IP address, described path probe command is used to indicate described initial path sniffer and sends described path probe messages to described object IP address, and described path probe messages is used to indicate described i path sniffer and sends described i sub path information to described network management system; Indication receiver 630 receives described i sub path information from described i path sniffer, and obtains the sign of the described i path sniffer that sends described i sub path information.

Under another kind of implementation, described Business Stream information also comprises the sign of path, described forward-path end sniffer; Described all the other path sniffers comprise N path sniffer, N is more than or equal to 2, described routing information comprises: described N N sub path information corresponding to path sniffer difference, wherein, i sub path information is used to indicate the position of i path sniffer on described forward-path, i be more than or equal to 1 and i be less than or equal to N.Described processor 610 is specifically for according to the sign of described initial path sniffer, indicator-transmitter 620 is to described initial path sniffer transmit path probe command, described path probe command comprises described object IP address, described path probe command is used to indicate described initial path sniffer and sends described path probe messages to described object IP address, described path probe messages is used to indicate described i path sniffer the sign of described i path sniffer and described i sub path information is added in the probe messages of described path, and continue to send the path probe messages after described interpolation to next path sniffer, processor 610 is also for according to the sign of path, described end sniffer, indicator-transmitter 620 is surveyed and is stopped order to path, described end sniffer transmit path, the detection termination order of described path is used to indicate path, described end sniffer and from the probe messages of described path, obtains described path detection information, and reports described path detection information to described network management system, indication receiver 630 receives described path detection information from path, described end sniffer.

Alternatively, as an embodiment, processor 610, specifically for according to the priority of all the other path sniffer positions on forward-path of routing information indication, sorts the sign of all the other path sniffers, obtains forward-path.

Alternatively, as an embodiment, processor 610 is specifically for obtaining the sign of Business Stream, wherein, the combination of the source IP address that is designated Business Stream message of Business Stream and object IP address, or the combination of the source IP address that is designated Business Stream message of Business Stream, source port, object IP address and destination interface; According to the sign of Business Stream, by searching the corresponding relation of traffic stream identifier and Business Stream information, obtain Business Stream information.

The network management system 600 that it should be understood that Fig. 6 can be carried out each step that in previous embodiment, network management system is carried out, and for avoiding repetition, repeats no more herein.

In other embodiments, processor, transmitter and receiver described in Fig. 6 can also be connected by bus, and the embodiment of the present invention can also comprise memory, and memory is also connected by bus with above three.Wherein, memory is used for storing computer program, the method that the computer program that processor is stored for read memory provides for realizing the embodiment of the present invention.Relate to and other network entity, for example path sniffer carries out mutual step, by transmitter and receiver, is realized, and for example transmitter is used for to path sniffer transmit path probe messages, or the path detection information that receiver sends for RX path sniffer, etc.Concrete methods of realizing can, with reference to described in previous embodiment, not repeat them here.

Visible, in the embodiment of the present invention, because path sniffer is connected on outward on the routing interface that Business Stream flows through, therefore, the path probe messages that initial path sniffer sends to Business Stream object IP address can be through all the other the path sniffers on this forward-path, thereby can utilize this path probe messages to obtain sign and its path detection information such as position on forward-path of all the other path sniffers, utilize this path detection information can determine this forward-path, improved the efficiency that definite Business Stream forwards path.

Fig. 7 is the schematic block diagram of system of forward-path of definite Business Stream of the embodiment of the present invention.The system 700 of Fig. 7 comprises network management system 710 and is positioned at the path sniffer 720 on forward-path, outer being connected on the routing interface of Business Stream process of path sniffer 720 on forward-path, path sniffer 720 on forward-path comprises the initial path sniffer that is positioned at forward-path original position, and all the other path sniffers except the sniffer of initial path on forward-path, wherein

Network management system 710 is for obtaining the Business Stream information of Business Stream, according to Business Stream information, by indicating initial path sniffer to object IP address forward-path probe messages, acquisition approach detection information, according to path detection information, determine forward-path, wherein, Business Stream information comprises the object Internet protocol IP address of Business Stream and the sign of initial path sniffer, path detection information comprises: the sign of all the other path sniffers, and the routing information of all the other path sniffers, routing information is used to indicate all the other path sniffer positions on forward-path,

Initial path sniffer in path sniffer 720 is used for according to the indication of network management system to object IP address transmit path probe messages;

All the other path sniffers in path sniffer 720 are used for according to path probe messages acquisition approach information, and to network management system transmit path detection information.

Alternatively, as an embodiment, all the other path sniffers can comprise N path sniffer, routing information comprises: N N sub path information corresponding to path sniffer difference, wherein, i sub path information is used to indicate the position of i path sniffer on forward-path, and network management system is specifically for according to the sign of initial path sniffer, to initial path sniffer transmit path probe command, path probe command comprises object IP address; Initial path sniffer, specifically for after receiving path probe command, obtains object IP address from the probe command of path, and to object IP address transmit path probe messages; I path sniffer when receiving path probe messages, obtains i sub path information according to path probe messages; To network management system, send i sub path information.

Alternatively, as an embodiment, all the other path sniffers comprise N path sniffer, routing information comprises: N N sub path information corresponding to path sniffer difference, wherein, i sub path information is used to indicate the position of i path sniffer on forward-path, Business Stream information also comprises the sign of path, forward-path end sniffer, network management system is specifically for according to the sign of initial path sniffer, to initial path sniffer transmit path probe command, according to the sign of path, end sniffer, to path, end sniffer transmit path, survey and stop order, wherein, path probe command comprises object IP address, initial path sniffer, specifically for after receiving path probe command, obtains object IP address from the probe command of path, to object IP address transmit path probe messages, after intermediate path sniffer in N path sniffer except the sniffer of path, end is used for receiving path probe messages, according to path probe messages, obtain the sub path information that intermediate path sniffer is corresponding, the sign of intermediate path sniffer and sub path information corresponding to intermediate path sniffer are added in the probe messages of path, to the path sniffer forward-path probe messages of the down hop on forward-path, after path, end sniffer is used for receiving path probe messages, according to path probe messages, obtain sub path information corresponding to path, end sniffer, the sign of path, end sniffer and path, end sub path information corresponding to sniffer are added in the probe messages of path, acquisition approach detection information from the probe messages of path, to network management system transmit path detection information.

Visible, in the system that the embodiment of the present invention provides, because path sniffer is connected on outward on the routing interface that Business Stream flows through, therefore, the path probe messages that initial path sniffer sends to Business Stream object IP address can be through all the other the path sniffers on this forward-path, thereby can utilize this path probe messages to obtain the path detection informations such as the sign of all the other path sniffers and position, utilize this path detection information can determine this forward-path, improved the efficiency that definite Business Stream forwards path.

Should be understood that in embodiments of the present invention, term "and/or" is only a kind of incidence relation of describing affiliated partner, and expression can exist three kinds of relations.For example, A and/or B, can represent: individualism A exists A and B, these three kinds of situations of individualism B simultaneously.In addition, character "/", generally represents that forward-backward correlation is to liking a kind of relation of "or" herein.

Those of ordinary skills can recognize, unit and the algorithm steps of each example of describing in conjunction with embodiment disclosed herein, can realize with electronic hardware, computer software or the combination of the two, for the interchangeability of hardware and software is clearly described, composition and the step of each example described according to function in the above description in general manner.These functions are carried out with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme.Professional and technical personnel can specifically should be used for realizing described function with distinct methods to each, but this realization should not thought and exceeds scope of the present invention.

Those skilled in the art can be well understood to, and with succinct, the specific works process of the system of foregoing description, device and unit, can, with reference to the corresponding process in preceding method embodiment, not repeat them here for convenience of description.

In the several embodiment that provide in the application, should be understood that disclosed system, apparatus and method can realize by another way.For example, device embodiment described above is only schematic, for example, the division of described unit, be only that a kind of logic function is divided, during actual realization, can have other dividing mode, for example a plurality of unit or assembly can in conjunction with or can be integrated into another system, or some features can ignore, or do not carry out.In addition, shown or discussed coupling each other or direct-coupling or communication connection can be indirect coupling or the communication connections by some interfaces, device or unit, can be also electric, machinery or other form connect.

The described unit as separating component explanation can or can not be also physically to separate, and the parts that show as unit can be or can not be also physical locations, can be positioned at a place, or also can be distributed in a plurality of network element.Can select according to the actual needs some or all of unit wherein to realize the object of embodiment of the present invention scheme.

In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can be also that the independent physics of unit exists, and can be also that two or more unit are integrated in a unit.Above-mentioned integrated unit both can adopt the form of hardware to realize, and also can adopt the form of SFU software functional unit to realize.

If the form of SFU software functional unit of usining described integrated unit realizes and during as production marketing independently or use, can be stored in a computer read/write memory medium.Understanding based on such, the part that technical scheme of the present invention contributes to prior art in essence in other words, or all or part of of this technical scheme can embody with the form of software product, this computer software product is stored in a storage medium, comprise that some instructions are with so that a computer equipment (can be personal computer, server, or the network equipment etc.) carry out all or part of step of method described in each embodiment of the present invention.And aforesaid storage medium comprises: USB flash disk, portable hard drive, read-only memory (ROM, Read-Only Memory), the various media that can be program code stored such as random access memory (RAM, Random Access Memory), magnetic disc or CD.

The above; it is only the specific embodiment of the present invention; but protection scope of the present invention is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily modification or the replacement of various equivalences, within these modifications or replacement all should be encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.

Claims

1. a method for the forward-path of definite Business Stream, is characterized in that, described method is applied to network management system, and on described forward-path, the routing interface of described Business Stream process is circumscribed with path sniffer, and described method comprises:

Obtain the Business Stream information of described Business Stream, described Business Stream information comprises the sign of the object Internet protocol IP address of described Business Stream and the initial path sniffer on described forward-path;

According to described Business Stream information, by indicating described initial path sniffer to described object IP address forward-path probe messages, acquisition approach detection information, described path detection information comprises: the sign of all the other the path sniffers on described forward-path except the sniffer of described initial path, and the routing information of described all the other path sniffers, described routing information is used to indicate described all the other path sniffer positions on described forward-path;

According to described path detection information, determine described forward-path.

2. the method for claim 1, it is characterized in that, described all the other path sniffers comprise N path sniffer, N is more than or equal to 2, described routing information comprises: described N N sub path information corresponding to path sniffer difference, wherein, i sub path information is used to indicate the position of i path sniffer on described forward-path, i be more than or equal to 1 and i be less than or equal to N;

Described according to described Business Stream information, by indicating described initial path sniffer to described object IP address forward-path probe messages, acquisition approach detection information, comprising:

According to the sign of described initial path sniffer, to described initial path sniffer transmit path probe command, described path probe command comprises described object IP address, described path probe command is used to indicate described initial path sniffer and sends described path probe messages to described object IP address, and described path probe messages is used to indicate described i path sniffer and sends described i sub path information to described network management system;

From described i path sniffer, receive described i sub path information, and obtain the sign of the described i path sniffer that sends described i sub path information.

3. the method for claim 1, is characterized in that, described Business Stream information also comprises the sign of path, described forward-path end sniffer; Described all the other path sniffers comprise N path sniffer, N is more than or equal to 2, described routing information comprises: described N N sub path information corresponding to path sniffer difference, wherein, i sub path information is used to indicate the position of i path sniffer on described forward-path, i be more than or equal to 1 and i be less than or equal to N;

According to the sign of described initial path sniffer, to described initial path sniffer transmit path probe command, described path probe command comprises described object IP address, described path probe command is used to indicate described initial path sniffer and sends described path probe messages to described object IP address, described path probe messages is used to indicate described i path sniffer the sign of described i path sniffer and described i sub path information is added in the probe messages of described path, and continue to send the path probe messages after described interpolation to next path sniffer,

According to the sign of path, described end sniffer, to path, described end sniffer transmit path, survey and stop order, the detection termination order of described path is used to indicate path, described end sniffer and from the probe messages of described path, obtains described path detection information, and reports described path detection information to described network management system;

From path, described end sniffer, receive described path detection information.

4. the method as described in any one in claim 1-3, is characterized in that, describedly according to described path detection information, determines described forward-path, comprising:

Priority according to described all the other path sniffer positions on described forward-path of described routing information indication, sorts the sign of described all the other path sniffers, obtains described forward-path.

5. the method as described in any one in claim 1-4, it is characterized in that, message characteristic information when described path detection information also wraps described path sniffer and is forwarded to described all the other paths sniffer, described message characteristic information comprises one or more in following information: multiprotocol label switching MPLS label, VPN (virtual private network) VPN label and virtual LAN VLAN label.

6. the method as described in any one in claim 1-5, is characterized in that, described in obtain the Business Stream information of described Business Stream, comprising:

Obtain the sign of described Business Stream, wherein, the combination of the source IP address that is designated described Business Stream message of described Business Stream and object IP address, or the combination of the source IP address that is designated described Business Stream message of described Business Stream, source port, object IP address and destination interface;

According to the sign of described Business Stream, by searching the corresponding relation of described traffic stream identifier and described Business Stream information, obtain described Business Stream information.

7. the method as described in any one in claim 1-6, it is characterized in that, described all the other path sniffers comprise N path sniffer, N is more than or equal to 2, described routing information comprises: described N N sub path information corresponding to path sniffer difference, wherein, i sub path information is used to indicate the position of i path sniffer on described forward-path, described i sub path information is that the sub path information of the upper hop path sniffer that carries in this path probe messages while receiving described path probe messages based on described i path sniffer is determined, i be more than or equal to 1 and i be less than or equal to N.

8. method as claimed in claim 7, is characterized in that, described i sub path information is the jumping figure of described i path sniffer on described forward-path.

9. a network management system, is characterized in that, described network management system comprises:

The first acquiring unit, for obtaining the Business Stream information of Business Stream, on the forward-path of described Business Stream, the routing interface of described Business Stream process is circumscribed with path sniffer, and described Business Stream information comprises the sign of the object Internet protocol IP address of described Business Stream and the initial path sniffer on described forward-path;

Second acquisition unit, for the described Business Stream information of obtaining according to described the first acquiring unit, by indicating described initial path sniffer to described object IP address forward-path probe messages, acquisition approach detection information, described path detection information comprises: the sign of all the other the path sniffers on described forward-path except the sniffer of described initial path, and the routing information of described all the other path sniffers, described routing information is used to indicate described all the other path sniffer positions on described forward-path;

Determining unit, for the described path detection information obtaining according to described second acquisition unit, determines described forward-path.

10. network management system as claimed in claim 9, it is characterized in that, described all the other path sniffers comprise N path sniffer, N is more than or equal to 2, described routing information comprises: described N N sub path information corresponding to path sniffer difference, wherein, i sub path information is used to indicate the position of i path sniffer on described forward-path, i be more than or equal to 1 and i be less than or equal to N;

Described second acquisition unit is specifically for according to the sign of described initial path sniffer, to described initial path sniffer transmit path probe command, described path probe command comprises described object IP address, be used to indicate described initial path sniffer and send described path probe messages to described object IP address, described path probe messages is used to indicate described i path sniffer and sends described i sub path information to described network management system; From described i path sniffer, receive described i sub path information, and obtain the sign of the described i path sniffer that sends described i sub path information.

11. network management system as claimed in claim 9, it is characterized in that, described all the other path sniffers comprise N path sniffer, N is more than or equal to 2, described routing information comprises: described N N sub path information corresponding to path sniffer difference, wherein, i sub path information is used to indicate the position of i path sniffer on described forward-path, described Business Stream information also comprises the sign of path, described forward-path end sniffer, i be more than or equal to 1 and i be less than or equal to N;

Described second acquisition unit is specifically for according to the sign of described initial path sniffer, to described initial path sniffer transmit path probe command, described path probe command comprises described object IP address, described path probe command is used to indicate described initial path sniffer and sends described path probe messages to described object IP address, and described path probe messages is used to indicate described i path sniffer the sign of described i path sniffer and described i sub path information are added in the probe messages of described path; According to the sign of path, described end sniffer, to path, described end sniffer transmit path, survey and stop order, the detection termination order of described path is used to indicate path, described end sniffer and from the probe messages of described path, obtains described path detection information, and reports described path detection information to described network management system; From path, described end sniffer, receive described path detection information.

12. network management system as described in any one in claim 9-11, it is characterized in that, described determining unit is specifically for according to the priority of described all the other path sniffer positions on described forward-path of described routing information indication, the sign of described all the other path sniffers is sorted, obtain described forward-path.

13. network management system as described in any one in claim 9-12, it is characterized in that, message characteristic information when described path detection information also wraps described path sniffer and is forwarded to described all the other paths sniffer, described message characteristic information comprises one or more in following information: multiprotocol label switching MPLS label, VPN (virtual private network) VPN label and virtual LAN VLAN label.

14. network management system as described in any one in claim 9-13, it is characterized in that, described the first acquiring unit is specifically for obtaining the sign of described Business Stream, wherein, the combination of the source IP address that is designated described Business Stream message of described Business Stream and object IP address, or the combination of the source IP address that is designated described Business Stream message of described Business Stream, source port, object IP address and destination interface; According to the sign of described Business Stream, by searching the corresponding relation of described traffic stream identifier and described Business Stream information, obtain described Business Stream information.

15. network management system as described in any one in claim 9-14, it is characterized in that, described all the other path sniffers comprise N path sniffer, N is more than or equal to 2, described routing information comprises: described N N sub path information corresponding to path sniffer difference, wherein, i sub path information is used to indicate the position of i path sniffer on described forward-path, described i sub path information is that the sub path information of the upper hop path sniffer that carries in this path probe messages while receiving described path probe messages based on described i path sniffer is determined, i be more than or equal to 1 and i be less than or equal to N.

16. network management system as claimed in claim 15, is characterized in that, described i sub path information is the jumping figure of described i path sniffer on described forward-path.

The system of the forward-path of 17. 1 kinds of definite Business Streams, it is characterized in that, described system comprises that NMS is unified and is positioned at the path sniffer on described forward-path, path sniffer on described forward-path is connected on outward on the routing interface of described Business Stream process, path sniffer on described forward-path comprises the initial path sniffer that is positioned at described forward-path original position, and all the other path sniffers except the sniffer of described initial path on described forward-path, wherein

Described network management system is for obtaining the Business Stream information of described Business Stream, according to described Business Stream information, by indicating described initial path sniffer to described object IP address forward-path probe messages, acquisition approach detection information, according to described path detection information, determine described forward-path, wherein, described Business Stream information comprises the object Internet protocol IP address of described Business Stream and the sign of described initial path sniffer, described path detection information comprises: the sign of described all the other path sniffers, and the routing information of described all the other path sniffers, described routing information is used to indicate described all the other path sniffer positions on described forward-path,

Described initial path sniffer is for sending described path probe messages according to the indication of described network management system to described object IP address;

Described all the other path sniffers are used for obtaining described routing information according to described path probe messages, and send described path detection information to described network management system.

18. systems as claimed in claim 17, it is characterized in that, described all the other path sniffers comprise N path sniffer, N is more than or equal to 2, described routing information comprises: described N N sub path information corresponding to path sniffer difference, wherein, i sub path information is used to indicate the position of i path sniffer on described forward-path, i be more than or equal to 1 and i be less than or equal to N;

Described network management system is specifically for according to the sign of described initial path sniffer, and to described initial path sniffer transmit path probe command, described path probe command comprises described object IP address;

Described initial path sniffer, specifically for after receiving described path probe command, obtains described object IP address from the probe command of described path, and sends described path probe messages to described object IP address;

Described i path sniffer when receiving described path probe messages, obtains described i sub path information according to described path probe messages; To described network management system, send described i sub path information.

19. systems as claimed in claim 17, it is characterized in that, described all the other path sniffers comprise N path sniffer, N is more than or equal to 2, described routing information comprises: described N N sub path information corresponding to path sniffer difference, and wherein, i sub path information is used to indicate the position of i path sniffer on described forward-path, described Business Stream information also comprises the sign of path, described forward-path end sniffer, i be more than or equal to 1 and i be less than or equal to N;

Described network management system is specifically for according to the sign of described initial path sniffer, to described initial path sniffer transmit path probe command, according to the sign of path, described end sniffer, to path, described end sniffer transmit path, survey and stop order, wherein, described path probe command comprises described object IP address;

Described initial path sniffer, specifically for after receiving described path probe command, obtains described object IP address from the probe command of described path, to described object IP address, sends described path probe messages;

After intermediate path sniffer in described N path sniffer except the sniffer of path, described end is used for receiving described path probe messages, according to described path probe messages, obtain sub path information corresponding to described intermediate path sniffer, the sign of described intermediate path sniffer and sub path information corresponding to described intermediate path sniffer are added in the probe messages of described path, to the path sniffer of the down hop on described forward-path, forward described path probe messages;

After path, described end sniffer is used for receiving described path probe messages, according to described path probe messages, obtain sub path information corresponding to path, described end sniffer, the sign of path, described end sniffer and sub path information corresponding to path, described end sniffer are added in the probe messages of described path, from the probe messages of described path, obtain described path detection information, to described network management system, send described path detection information.