CN103973491A

CN103973491A - Fault processing method, optical layer control network element and IP layer control network element

Info

Publication number: CN103973491A
Application number: CN201410194230.6A
Authority: CN
Inventors: 邓俊妮; 黄伟才
Original assignee: Beijing Zhigu Ruituo Technology Services Co Ltd
Current assignee: Beijing Zhigu Ruituo Technology Services Co Ltd
Priority date: 2014-05-09
Filing date: 2014-05-09
Publication date: 2014-08-06
Anticipated expiration: 2034-05-09
Also published as: CN103973491B

Abstract

The embodiment of the invention provides a fault processing method, an optical layer control network element and an IP layer control network element. The method comprises the steps that a first faulted UNI link and at least one service borne by the first UNI link are determined by the optical layer control network element; according to each service, at least one second UNI link capable of replacing the first UNI link in the new work paths of the services is determined by the optical layer control network element; according to each service, the optical layer control network element requires the corresponding IP layer control network element to determine a third UNI link used for replacing the first UNI link from the at least one second UNI link for the services. According to the method, the optical layer control network element and the IP layer control network element, fault processing is carried out through the interaction and cooperation of the optical layer control network element and the corresponding IP layer control network element, and a processing scheme for link faults between an optical layer and an IP layer in an IP network borne by an optical network is provided.

Description

Fault handling method and photosphere control network element, IP layer control network element

Technical field

The embodiment of the present invention relates to networking technology area, relates in particular to a kind of fault handling method and photosphere control network element, IP layer control network element.

Background technology

In optical network bearing IP network, optical-fiber network and IP network are positioned at different network layers, and resist technology and the Restoration Mechanism of employing differ widely, and its protection also has strong point and deficiency separately with recovery scheme.The protection recovery scheme of optical-fiber network has advantages of that fast response time, switching time are short, but its network construction cost is higher.And in the protection recovery scheme of IP network, Internet resources are not monopolized, thereby bandwidth availability ratio is higher, but its response speed is slow, and switching time is long.Relate at present the fault recovery scheme of multitiered network, nearly all concentrate on simple IP node layer/link failure, or simple photosphere node/link failure, seldom relates to interlayer link failure.

In optical network bearing IP network; User Network Interface (User Network Interface; being called for short UNI) link is as interlayer link; in the time of UNI link occurs fault; conventionally directly start IP layer protection recovery scheme, as quick heavy-route (Fast ReRoute is called for short FRR), Virtual Router Redundacy Protocol (Virtual Router Redundancy Protocol; be called for short VRRP) etc., but this process has only been considered IP network.

Summary of the invention

In view of this, the embodiment of the present invention object is to provide a kind of processing scheme for link failure between photosphere in optical network bearing IP network and IP layer.

For achieving the above object, according to the embodiment of the present invention aspect, provide a kind of fault handling method, comprising:

The definite first user network interface UNI link breaking down of photosphere control network element and at least one business of a described UNI link bearer;

For business described in each, described photosphere control network element is determined at least one the 2nd UNI link that can replace a described UNI link in the new operating path of described business;

For business described in each, IP layer control network element corresponding to described photosphere control network element request is identified for replacing one the 3rd UNI link of a described UNI link from described at least one the 2nd UNI link for described business.

For achieving the above object, according to another aspect of the embodiment of the present invention, provide a kind of fault handling method, comprising:

IP layer control network element receives the collaborative recovery request that corresponding photosphere control network element sends, and described collaborative recovery request comprises: the information of the information of the first user network interface UNI link breaking down, at least one business of a described UNI link bearer, can in the new operating path of described business, replace the information of at least one the 2nd UNI link of a described UNI link for business described in each;

For business described in each, described IP layer control network element is according to the network topology of IP layer and described collaborative recovery request, from described at least one the 2nd UNI link, be identified for replacing one the 3rd UNI link of a described UNI link for described business, and determine the new IP layer operating path of described business.

For achieving the above object, according to another aspect of the embodiment of the present invention, provide a kind of photosphere control network element, comprising:

The first determination module, for definite first user network interface UNI link breaking down and at least one business of a described UNI link bearer;

The second determination module, for for business described in each, determines at least one the 2nd UNI link that can replace a described UNI link in the new operating path of described business;

Request module, for for business described in each, asks corresponding IP layer control network element from described at least one the 2nd UNI link, to be identified for replacing one the 3rd UNI link of a described UNI link for described business.

For achieving the above object, according to another aspect of the embodiment of the present invention, provide a kind of IP layer control network element, comprising:

Receiver module, the collaborative recovery request sending for receiving corresponding photosphere control network element, described collaborative recovery request comprises: the information of the information of the first user network interface UNI link breaking down, at least one business of a described UNI link bearer, can in the new operating path of described business, replace the information of at least one the 2nd UNI link of a described UNI link for business described in each;

Determination module, be used for for business described in each, described IP layer control network element is according to the network topology of IP layer and described collaborative recovery request, from described at least one the 2nd UNI link, be identified for replacing one the 3rd UNI link of a described UNI link for described business, and determine the new IP layer operating path of described business.

At least one technical scheme in multiple technical schemes has following beneficial effect above:

The embodiment of the present invention is carried out troubleshooting by photosphere control network element with corresponding IP layer control network element Coordination, and a kind of processing scheme for link failure between photosphere in optical network bearing IP network and IP layer is provided.

Brief description of the drawings

Fig. 1 a is the schematic flow sheet of a kind of fault handling method embodiment mono-provided by the invention;

Fig. 1 b is the scene schematic diagram of a kind of network application of the embodiment of the present invention;

Fig. 1 c is the schematic flow sheet of a kind of implementation of Fig. 1 a illustrated embodiment;

Fig. 2 a is the schematic flow sheet of a kind of fault handling method embodiment bis-provided by the invention;

Fig. 2 b is the schematic flow sheet of a kind of implementation of Fig. 2 a illustrated embodiment;

Fig. 3 a is the structural representation of a kind of photosphere control network element embodiment mono-provided by the invention;

Fig. 3 b is the structural representation of a kind of implementation of Fig. 3 a illustrated embodiment;

Fig. 3 c is the structural representation of another implementation of Fig. 3 a illustrated embodiment;

Fig. 4 a is the structural representation of a kind of IP layer control network element embodiment mono-provided by the invention;

Fig. 4 b is the structural representation of a kind of implementation of Fig. 4 a illustrated embodiment;

Fig. 4 c is the structural representation of another implementation of Fig. 4 a illustrated embodiment;

Fig. 5 is the structural representation that a kind of photosphere control network element provided by the invention is executed example two;

Fig. 6 is the structural representation of a kind of IP layer control network element embodiment bis-provided by the invention.

Embodiment

Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples are used for illustrating the present invention, but are not used for limiting the scope of the invention.

It will be understood by those skilled in the art that the term such as " first ", " second " in the embodiment of the present invention, only for distinguishing different step, equipment or module etc., neither represents any particular technology implication, also do not represent the inevitable logical order between them.

It will be understood by those skilled in the art that " network element " broad understanding in the embodiment of the present invention is any equipment or the functional entity in network.

Fig. 1 a is the schematic flow sheet of a kind of fault handling method embodiment mono-provided by the invention.The present embodiment is applied in optical network bearing IP network, and as shown in Figure 1a, the present embodiment comprises:

101, the definite UNI link breaking down of photosphere control network element and at least one business of a described UNI link bearer.

Wherein, described photosphere control network element is the control network element in optical-fiber network, can be to the node in optical-fiber network, i.e. and the operating path of photosphere node, and business in optical-fiber network, the photosphere operating path of business manages and controls.

UNI link in the present embodiment is the link between photosphere node and IP node layer, i.e. interlayer link.Alternatively, a described UNI link is the link between one first photosphere node and one the one IP node layer.

Conventionally, at least one business refers to described in a described UNI link bearer, and the packet of described at least one business can pass through a described UNI link, and in other words, a described UNI link is included in the former operating path of described at least one business.

In the optional implementation of one, the definite UNI link breaking down of described photosphere control network element and at least one business of a described UNI link bearer, comprising:

Described photosphere control network element receives the fault message that described the first photosphere node sends, and described fault message comprises the service identification of described at least one business.

Particularly, the fault that the photosphere node of UNI both link ends and IP node layer all can this UNI links of perception.Conventionally, compare IP node layer, photosphere node is the fault of perception UNI link quickly, thereby can earlier make response, as reports fault message.

102,, for business described in each, described photosphere control network element is determined at least one the 2nd UNI link that can replace a described UNI link in the new operating path of described business.

Conventionally, the new operating path of described business comprises: the new IP layer operating path of described business, the new photosphere operating path of described business, and connect at least two UNI links of the new IP layer operating path of described business and the new photosphere operating path of described business; The former operating path of described business is also similar.

With a described UNI link similarly, described at least one the 2nd UNI link is respectively the link between one second photosphere node and one the 2nd IP node layer.

For the operating path of retained business as much as possible in photosphere,, the new photosphere operating path of business is overlapped with the former photosphere operating path of this business as much as possible, to shorten the recovery time of fault, alternatively, described at least one the 2nd UNI link is relevant with the former photosphere operating path of described business.

For instance, the business of a described UNI link bearer has business A and business B, for business A, described photosphere control unit is determined the 2nd UNI link 1,2 that can replace a described UNI link in the new operating path of business A, for business B, described photosphere control unit is determined the 2nd UNI link 3,4,5 that can replace a described UNI link in the new operating path of business B; Alternatively, the 2nd UNI link 1,2 is all relevant with the former photosphere operating path of business A, and the 2nd UNI link 3,4,5 is all relevant with the former photosphere operating path of business B.

Particularly, each the 2nd UNI link can pass through the photosphere node of the 2nd UNI link one end, and/or the IP node layer of the other end, identifies/determine.

Alternatively, described photosphere control network element is determined at least one the 2nd UNI link that can replace a described UNI link in the new operating path of described business, comprising:

Described photosphere control network element determine with described former photosphere operating path about and have at least one second photosphere node of UNI link.

That is to say, by with the former photosphere operating path of described business about and have at least one UNI link that at least one photosphere node of UNI link is corresponding to be defined as in the new operating path of described business, replacing the UNI link of a described UNI link.

Particularly, have the photosphere node of UNI link to refer to, this photosphere node is connected with UNI link and this UNI link in normal operating conditions, and wherein, a described UNI link of fault can be thought in abnormal operating state.

Alternatively, described photosphere control network element is determined at least one the 2nd UNI link that can replace a described UNI link in the new operating path of described business, also comprises:

Described photosphere control network element is determined at least one the 2nd IP node layer being connected with described at least one the second photosphere node by UNI link.

For instance, as shown in Figure 1 b, in optical-fiber network, there is photosphere node O-N1～O-N12, in IP network, there is IP node layer IP-N1～IP-N14, suppose the UNI link failure between O-N3 and IP-N4, photosphere node O-N2, O-N4, O-N5, O-N7, O-N8, O-N12 have UNI link, and photosphere node O-N1, O-N3, O-N6, O-N9, O-N10, O-N11 are without UNI link.The IP node layer being connected with photosphere node O-N2, O-N4, O-N5, O-N7, O-N8, O-N12 by UNI link is respectively: IP-N3, IP-N14, IP-N6, IP-N10, IP-N12, IP-N9.

In the optional implementation of one, described photosphere control network element determine with described former photosphere operating path about and have at least one second photosphere node of UNI link, comprising:

Described photosphere control network element is determined on described former photosphere operating path and is had at least one second photosphere node of UNI link.

For instance, as shown in Figure 1 b, the former operating path of one business comprises: IP-N1 → IP-N4 → O-N3 → O-N4 → O-N8 → O-N9 → O-N12 → IP-N9, wherein, the former photosphere operating path of this business comprises: O-N3 → O-N4 → O-N8 → O-N9 → O-N12, , the photosphere node being positioned on former photosphere operating path has: O-N3, O-N4, O-N8, O-N9, O-N12, suppose that the UNI link breaking down is IP-N4 → O-N3, described photosphere control network element determine with described former photosphere operating path about and have at least one second photosphere node of UNI link to have: O-N4, O-N8, O-N12.

In another optional implementation, described photosphere control network element determine with described former photosphere operating path about and have at least one second photosphere node of UNI link, comprising:

Described photosphere control network element is determined on described former photosphere operating path and is had at least one second photosphere node of UNI link;

Described photosphere control network element determine with described at least one the second photosphere node in arbitrary adjacent and have at least one second photosphere node again of UNI link.

Alternatively, adjacently refer to that the jumping figure between node is 1.For instance, as shown in Figure 1 b, the former operating path of one business comprises: IP-N1 → IP-N4 → O-N3 → O-N4 → O-N8 → O-N9 → O-N12 → IP-N9, wherein, the former photosphere operating path of this business comprises: O-N3 → O-N4 → O-N8 → O-N9 → O-N12, described photosphere control network element is determined on described former photosphere operating path and is had at least one second photosphere node of UNI link to have: O-N4, O-N8, O-N12, further with O-N4, O-N8, arbitrary adjacent and have at least one second photosphere node again of UNI link to have in O-N12: O-N5, O-N7, , determine with described former photosphere operating path about and have at least one second photosphere node of UNI link to have: O-N4, O-N8, O-N12, O-N5, O-N7.

103,, for business described in each, IP layer control network element corresponding to described photosphere control network element request is identified for replacing one the 3rd UNI link of a described UNI link from described at least one the 2nd UNI link for described business.

Wherein, described IP layer control network element is the control network element in IP network, can be to the node in IP network, i.e. and the operating path of IP node layer, and business in IP network, the IP layer operating path of business manages and controls.

For instance, for business A, IP layer control network element corresponding to described photosphere control network element request is identified for replacing one the 3rd UNI link of a described UNI link from the 2nd UNI link 1,2 corresponding to business A for business A, for business B, IP layer control network element corresponding to described photosphere control network element request is identified for replacing one the 3rd UNI link of a described UNI link from the 2nd UNI link 3,4,5 corresponding to business A for business B.

Particularly, in optical-fiber network, there is at least one photosphere control network element, in IP network, have at least one IP layer control network element.Alternatively, each photosphere control network element all has a corresponding IP layer control network element.

Alternatively, IP layer control network element corresponding to described photosphere control network element request is identified for replacing one the 3rd UNI link of a described UNI link from described at least one the 2nd UNI link for described business, comprising:

Described photosphere control network element sends collaborative recovery request to described IP layer control network element, described collaborative recovery request comprises: the information of a described UNI link, the information of described at least one the 2nd UNI link, the information of described business, described collaborative recovery request is one the 3rd UNI link that described business is identified for replacing a described UNI link for asking from described at least one the 2nd UNI link.

Alternatively, the information of a described UNI link comprises: the information of described the first photosphere node, and/or, the information of a described IP node layer.

Alternatively, the information of described business comprises the service identification of described business.

Alternatively, the information of described at least one the 2nd UNI link comprises: the information of described at least one the second photosphere node, and/or, the information of described at least one the 2nd IP node layer.

The information of above-mentioned photosphere node or IP node layer comprises the node identification of this node alternatively.

In a kind of possible scene, described at least one the 2nd UNI link comprises multiple the 2nd UNI links.In this scene, alternatively, described method also comprises:

Determine the photosphere adjacency of described multiple the 2nd UNI link and a described UNI link;

Described collaborative recovery request also comprises: the photosphere adjacency of described multiple the 2nd UNI links and a described UNI link.

Conventionally,, when when being defined as the 3rd UNI link with higher the 2nd UNI link of the photosphere adjacency of a described UNI link, can retain to large extent former photosphere operating path.Correspondingly, described photosphere adjacency can be indicated the priority of multiple the 2nd UNI links described in described IP layer control network element.The priority of the 2nd UNI link that alternatively, photosphere adjacency is higher is higher.Correspondingly, described IP floor control network element can be calculated road successively according to the photosphere adjacency of described multiple the 2nd UNI links and described UNI link order from high to low, the success of Ruo Suan road, successful the 2nd UNI link in Ze Jiangsuan road is as described the 3rd UNI link, and stops calculating road according to the 2nd follow-up UNI link.

Alternatively, the photosphere adjacency of described multiple the 2nd UNI links and a described UNI link, respectively with link-attached the second photosphere node of each described the 2nd UNI and link-attached the first photosphere node of a described UNI between jumping figure relevant.Particularly, jumping figure is fewer, and photosphere adjacency is higher.

For instance, as shown in Figure 1 b, suppose the UNI link failure between O-N3 and IP-N4, be that O-N3 is the first photosphere node, described photosphere control network element is determined on described former photosphere operating path and is had at least one second photosphere node of UNI link to have: O-N4, O-N8, O-N12, and wherein, the jumping figure between O-N4 and O-N3 is 1, jumping figure between O-N8 and O-N3 is that the jumping figure between 2, O-N12 and O-N3 is 4; If the 2nd UNI link between O-N4 and IP-N14 is defined as to the 3rd UNI link, can retain O-N4, the O-N8 in former photosphere operating path, the path that O-N9, O-N12 form, if the 2nd UNI link between O-N8 and IP-N12 is defined as to the 3rd UNI link, can retain O-N8, the O-N9 in former photosphere operating path, the path that O-N12 forms, the like, known, when by with O-N3 between the 2nd UNI link corresponding to the minimum O-N4 of jumping figure while being defined as the 3rd UNI link, can retain to large extent former photosphere operating path.

Using adjacent node also in the implementation of the node relevant with former photosphere operating path, alternatively, can also be according to the 2nd UNI link corresponding to the second photosphere node of whether distinguishing same number of hops on former operating path and the photosphere adjacency of a described UNI link.Alternatively, under the identical condition of jumping figure, the photosphere adjacency of the 2nd UNI link corresponding to node on operating path and a described UNI link is higher than the photosphere adjacency of the 2nd UNI link corresponding to adjacent node and a described UNI link, or the photosphere adjacency of the 2nd UNI link corresponding to node on operating path and a described UNI link is lower than the photosphere adjacency of the 2nd UNI link corresponding to adjacent node and a described UNI link.

For instance, as shown in Figure 1 b, suppose the UNI link failure between O-N3 and IP-N4, with described former photosphere operating path about and have at least one second photosphere node of UNI link to have: O-N4, O-N8, O-N12, O-N5, O-N7, wherein, O-N4, O-N8, O-N12 are the node on former photosphere operating path, O-N5, O-N7 be with former photosphere operating path on the adjacent node of node.Jumping figure between O-N4 and O-N3 is that to be jumping figure between 2, O-N7 and O-N3 be that jumping figure between 3, O-N12 and O-N3 is 4 to the jumping figure between 1, O-N5, O-N8 and O-N3, if the photosphere adjacency of the 2nd UNI link corresponding to the node on operating path and a described UNI link is higher than the photosphere adjacency of the 2nd UNI link corresponding to adjacent node and a described UNI link, the pass of the 2nd UNI link that above-mentioned the second photosphere node is corresponding and the photosphere adjacency of a described UNI link is: O-N4>O-N8>O-N5GreatT.GreaT.G TO-N7>O-N12, the photosphere adjacency that is the 2nd UNI link that O-N4 is corresponding and a described UNI link is the highest, the photosphere adjacency of the 2nd UNI link corresponding to O-N8 and a described UNI link is higher than the photosphere adjacency of the 2nd UNI link corresponding to O-N5 and a described UNI link, the like, if the photosphere adjacency of the 2nd UNI link corresponding to the node on operating path and a described UNI link is lower than the photosphere adjacency of the 2nd UNI link corresponding to adjacent node and a described UNI link, the pass of the 2nd UNI link that above-mentioned the second photosphere node is corresponding and the photosphere adjacency of a described UNI link is: O-N4>O-N5>O-N8GreatT.GreaT.G TO-N7>O-N12, the photosphere adjacency that is the 2nd UNI link that O-N4 is corresponding and a described UNI link is the highest, the photosphere adjacency of the 2nd UNI link corresponding to O-N5 and a described UNI link is higher than the photosphere adjacency of the 2nd UNI link corresponding to O-N8 and a described UNI link, the like.

In above-mentioned arbitrary optional implementation, alternatively, as shown in Fig. 1 c, the present embodiment also comprises:

104, described photosphere control network element receives described IP floor control network element and sends Suan road successful information, and described calculation road successful information comprises the information of described the 3rd UNI link.

Wherein, the information of described the 3rd UNI link comprises: the information of one the 3rd photosphere node of described the 3rd UNI link one end, and/or, the information of one the 3rd IP node layer of the other end.The information of above-mentioned photosphere node or IP node layer comprises the node identification of this node alternatively.

Conventionally, described the 3rd UNI link is in described at least one the 2nd UNI link in 103.

Particularly, described IP floor control network element can be calculated road to the 2nd IP node layer of any correspondence in described at least one the 2nd UNI link in a described IP node layer, 103, Bing Jiangsuan road successful 1 the 2nd UNI link is defined as described the 3rd UNI link, and detailed process can be with reference to fault handling method embodiment bis-provided by the invention.

105, described photosphere control network element, according to the information of described the 3rd UNI link, is determined the new photosphere operating path of described business.

Alternatively, described photosphere control network element, according to one the 3rd corresponding photosphere node of described the 3rd UNI link, is determined the new photosphere operating path of described business, and described the 3rd photosphere node is on described new photosphere operating path.

Conventionally, the former operating path of a business comprises: former IP layer operating path, former photosphere operating path, and connect at least two UNI links of former IP layer operating path and former photosphere operating path.As shown in Figure 1 b, two UNI links in former operating path are: IP-N4 → O-N3, O-N12 → IP-N9, wherein, IP-N4 → O-N3 is the UNI link breaking down.Suppose that described the 3rd UNI link that described IP layer control network element determined is IP-N14 → O-N4, be that one the 3rd photosphere node that described the 3rd UNI link is corresponding is O-N4, described photosphere control network element can determine that the new photosphere operating path of described business comprises: O-N4 → O-N8 → O-N9 → O-N12; Suppose that described the 3rd UNI link that described IP layer control network element determined is IP-N6 → O-N5, be that one the 3rd photosphere node that described the 3rd UNI link is corresponding is O-N5, described photosphere control network element can determine that the new photosphere operating path of described business comprises: O-N5 → O-N4 → O-N8 → O-N9 → O-N12.

Alternatively, also comprise after 105: described photosphere control network element sends the collaborative log-on message of recovering to described IP layer control network element, described collaborative recovery log-on message is for notifying photosphere control network element described in described IP layer control network element to determine the new photosphere operating path of described business.

Particularly, described IP layer control network element can determined after the new IP layer operating path of described business, on each IP node layer on described new IP layer operating path, be new IP layer operating path described in described business configuration, if and the direction of described the 3rd the above business of UNI link is from IP layer to photosphere, described IP layer control network element can also be the 3rd UNI link described in described business configuration on described the 3rd IP node layer; Similarly, described photosphere control network element can determined after the new photosphere operating path of described business, it on each photosphere node on described new photosphere operating path, is new photosphere operating path described in described business configuration, if and the direction of described the 3rd the above business of UNI link is from photosphere to IP layer, described photosphere control network element can also be the 3rd UNI link described in described business configuration on described the 3rd photosphere node.Alternatively, if the new photosphere operating path of described business is not completely contained in the former photosphere operating path of described business, such as, new photosphere operating path is O-N5 → O-N4 → O-N8 → O-N9 → O-N12, former photosphere operating path is O-N3 → O-N4 → O-N8 → O-N9 → O-N12, and described the 3rd UNI link is: IP-N6 → O-N5, described photosphere control network element only need be in the new photosphere operating path that is included in described business but is not included in the photosphere node in the former photosphere operating path of described business, as upper in O-N5 for as described in new photosphere operating path as described in business configuration, if the new photosphere operating path of described business is completely contained in the former photosphere operating path of described business, such as, new photosphere operating path is O-N4 → O-N8 → O-N9 → O-N12, former photosphere operating path is O-N3 → O-N4 → O-N8 → O-N9 → O-N12, if described the 3rd UNI link is: O-N4 → IP-N14, described photosphere control network element need be only on O-N4, to be the 3rd UNI link described in described business configuration at described the 3rd photosphere node, if described the 3rd UNI link is: IP-N14 → O-N4, described photosphere control network element is without carrying out any configuration, because the required configuration of the each photosphere node on new photosphere operating path is identical with its required configuration on former photosphere operating path.

On above-mentioned new operating path, the configuration of each IP node layer, each photosphere node completes, and can think that fault recovery completes.After fault recovery completes, if receive the packet of described business, each IP node layer on described new IP layer operating path all forwards this packet according to the UNI link in described new IP layer operating path or new operating path, and the each photosphere node on described new photosphere operating path all forwards this packet according to the UNI link in described new photosphere operating path or new operating path.

In above-mentioned arbitrary optional implementation, alternatively, after 103, also comprise: described photosphere control network element receives described IP floor control network element and sends Suan road failure information.Correspondingly, described photosphere control network element can, according to described calculation road failure information, stop fault recovery, i.e. the above-mentioned fault treating procedure of stagnation of movement.

The present embodiment carries out troubleshooting by photosphere control network element with corresponding IP layer control network element Coordination, a kind of processing scheme for link failure between photosphere in optical network bearing IP network and IP layer is provided, can take into full account further, the former operating path of retained business in optical-fiber network, accelerated fault recovery response speed, shortened switching time of fault recovery, realize highly reliable, high efficiency, fault recovery cheaply.

Fig. 2 a is the schematic flow sheet of a kind of fault handling method embodiment bis-provided by the invention.The present embodiment is applied in optical network bearing IP network, and as shown in Figure 2 a, the present embodiment comprises:

201, IP layer control network element receives the collaborative recovery request that corresponding photosphere control network element sends, and described collaborative recovery request comprises: the information of the information of the UNI link breaking down, at least one business of a described UNI link bearer, can in the new operating path of described business, replace the information of at least one the 2nd UNI link of a described UNI link for business described in each.

Wherein, described IP layer control network element is the control network element in IP network, can be to the node in IP network, i.e. and the operating path of IP node layer, and business in IP network, the IP layer operating path of business manages and controls; Described photosphere control network element is the control network element in optical-fiber network, can be to the node in optical-fiber network, i.e. and the operating path of photosphere node, and business in optical-fiber network, the photosphere operating path of business manages and controls.

Particularly, in optical-fiber network, there is at least one photosphere control network element, in IP network, have at least one IP layer control network element.Alternatively, each IP layer control network element all has a corresponding photosphere control network element.

UNI link in the present embodiment is the link between photosphere node and IP node layer, i.e. interlayer link.Alternatively, a described UNI link is the link between one first photosphere node and one the one IP node layer; Described at least one the 2nd UNI link is respectively the link between one second photosphere node and one the 2nd IP node layer.

Conventionally, at least one business refers to described in a described UNI link bearer, and the packet of described at least one business can pass through a described UNI link, and in other words, a described UNI link is included in the former operating path of described at least one business.Conventionally, the former operating path of each business comprises: the former IP layer operating path of described business, the former photosphere operating path of described business, and connect at least two UNI links of the former IP layer operating path of described business and the former photosphere operating path of described business; The new operating path of described business is also similar.

For instance, the business of a described UNI link bearer has business A and business B, for business A, described photosphere control unit is determined the 2nd UNI link 1,2 that can replace a described UNI link in the new operating path of business A, for business B, described photosphere control unit is determined the 2nd UNI link 3,4,5 that can replace a described UNI link in the new operating path of business B; Correspondingly, except the information of a described UNI link, described collaborative recovery request can also comprise: the information of business A, for the information of the 2nd UNI link 1,2 of business A, the information of business B, for the information of the 2nd UNI link 3,4,5 of business B, and the corresponding relation of business A, B and the 2nd UNI link 1～5.

202, for business described in each, described IP layer control network element is according to the network topology of IP layer and described collaborative recovery request, from described at least one the 2nd UNI link, be identified for replacing one the 3rd UNI link of a described UNI link for described business, and determine the new IP layer operating path of described business.

Alternatively, described IP floor control network element can be calculated road to the 2nd IP node layer of any correspondence in an IP node layer corresponding to a described UNI link, described at least one the 2nd UNI link, and Bing Jiangsuan road successful 1 the 2nd UNI link is defined as described the 3rd UNI link.Conventionally,, in Suan road, also need to consider the direction of business described in operating path.

In the optional implementation of one, described IP layer control network element is according to the network topology of IP layer and described collaborative recovery request, one the 3rd UNI link that is identified for replacing a described UNI link from described at least one the 2nd UNI link for described business, comprising:

Described IP layer control network element determined the direction of described the above business of UNI link;

Be from IP layer to photosphere in response to the direction of described business, taking the upstream IP node layer of a described IP node layer as source node, calculate road taking described at least one the 2nd IP node layer as destination node successively, determine that calculating the 2nd UNI link corresponding to road successful 1 the 2nd IP node layer is described the 3rd UNI link according to the network topology of IP floor;

Be from photosphere to IP layer in response to the direction of described business, successively taking described at least one the 2nd IP node layer as source node, calculate road taking a described IP node layer as destination node, determine that calculating the 2nd UNI link corresponding to road successful 1 the 2nd IP node layer is described the 3rd UNI link according to the network topology of IP floor.

Correspondingly, the described new IP floor operating path of determining described business is specially: according to the result on described calculation road, determine that the new IP layer operating path of described business is common.Alternatively, described calculation road successful 1 the 2nd IP node layer is positioned on the new IP floor operating path of described business, calculate rood to a described IP node layer be also contained in the new IP floor operating path of described business to the path between successful 1 the 2nd IP node layer of described calculation road.

Wherein, described at least one the 2nd IP node layer can directly obtain from described collaborative recovery request, such as described collaborative recovery request comprises the information of described at least one the 2nd IP node layer.Alternatively, in the time that described collaborative recovery request comprises the information of described at least one the second photosphere node, described IP layer control network element can, according to node mapping table, be determined the described at least one two IP node layer corresponding with described at least one the second photosphere node.

Particularly, the direction of described the above business of UNI link is from photosphere to IP layer, and a described UNI link is the first photosphere node → one IP node layer, or, the direction of described business is from IP layer to photosphere, and a described UNI link is an IP node layer → the first photosphere node.

In a kind of possible scene, described at least one the 2nd UNI link comprises multiple the 2nd UNI links.In this scene, alternatively, described collaborative recovery request also comprises: the photosphere adjacency of described multiple the 2nd UNI links and a described UNI link;

Described according to the network topology of IP floor taking the upstream IP node layer of a described IP node layer as source node, calculate road taking described at least one the 2nd IP node layer as destination node successively, comprising:

According to the network topology of IP floor taking the upstream IP node layer of a described IP node layer as source node, calculate road taking multiple the 2nd IP node layers corresponding to described multiple the 2nd UNI links as destination node successively according to described photosphere adjacency order from high to low;

Described according to the network topology of IP floor successively taking described at least one the 2nd IP node layer as source node, calculate road taking a described IP node layer as destination node, comprising:

According to the network topology of IP layer, according to described photosphere adjacency order from high to low successively taking multiple the 2nd IP node layers corresponding to described multiple the 2nd UNI links as source node, calculate road taking a described IP node layer as destination node.

Wherein, described upstream IP node layer is the IP node layer that is positioned at a described IP node layer upstream in the direction of described business.

Alternatively, as shown in Figure 2 b, the present embodiment also comprises:

203, described IP floor control network element sends and calculates road successful information to described photosphere control network element, described calculation road successful information comprises the information of described the 3rd UNI link, and described calculation road successful information is used to indicate described photosphere control network element determines the new photosphere operating path of described business according to the information of described the 3rd UNI link.

Particularly, described photosphere control network element can be determined according to fault handling method embodiment mono-provided by the invention the new photosphere operating path of business.Alternatively, one second photosphere node corresponding to described calculation road successful 1 the 2nd IP node layer is positioned on the new photosphere operating path of described business.

For instance, as shown in Figure 1 b, suppose that the UNI link breaking down is IP-N4 → O-N3, , the one IP node layer is IP-N4, the direction of the one the above business of UNI link is from IP layer to photosphere, described photosphere control network element can determine that the second photosphere node corresponding to described at least one the 2nd UNI link has according to fault handling method embodiment mono-provided by the invention: O-N4, O-N8, O-N5, O-N7, O-N12, correspondingly, the 2nd IP node layer corresponding to described at least one the 2nd UNI link has: IP-N14, IP-N12, IP-N6, IP-N10, IP-N9, and above-mentioned the second photosphere node and the 2nd IP node layer are all arranged according to the photosphere adjacency of affiliated the 2nd UNI link and described UNI link order from high to low, described IP layer control network element can calculate the upstream IP node layer from IP-N4 successively, it is the path that IP-N1 arrives above-mentioned the 2nd IP node layer, in the time calculating path from IP-N1 to IP-N14, according to the network topology of IP layer as shown in Figure 1 b, can determine that the path from IP-N1 to IP-N14 is: IP-N1 → IP-N2 → IP-N5 → IP-N14, the success of Ji Suan road, finish alternatively to calculate road, using IP-N14 → O-N4 as described the 3rd UNI link, and the new IP layer operating path of determining described business comprises: IP-N1 → IP-N2 → IP-N5 → IP-N14, alternatively, described photosphere control network element can determine that the new photosphere operating path of described business comprises: O-N4 → O-N8 → O-N9 → O-N12 according to described the 3rd UNI link.

Again for instance, as shown in Figure 1 b, suppose that the UNI link breaking down is O-N12 → IP-N9, , the one IP node layer is IP-N9, the direction of the one the above business of UNI link is from photosphere to IP layer, described photosphere control network element can determine that the second photosphere node corresponding to described at least one the 2nd UNI link has according to fault handling method embodiment mono-provided by the invention: O-N8, O-N7, O-N4, O-N5, O-N3, correspondingly, the 2nd IP node layer corresponding to described at least one the 2nd UNI link has: IP-N12, IP-N10, IP-N14, IP-N6, IP-N4, and above-mentioned the second photosphere node and the 2nd IP node layer are all arranged according to the photosphere adjacency of affiliated the 2nd UNI link and described UNI link order from high to low, described IP layer control network element can calculate the path from above-mentioned the 2nd IP node layer to IP-N9 successively, in the time calculating path from IP-N12 to IP-N9, the failure of calculation road, then calculate the path from IP-N10 to IP-N9, can determine that the path from IP-N10 to IP-N9 is: IP-N10 → IP-N11 → IP-N9, the success of Ji Suan road, finish alternatively to calculate road, using O-N7 → IP-N10 as described the 3rd UNI link, and the new IP layer operating path of determining described business comprises: IP-N1 → IP-N4, IP-N10 → IP-N11 → IP-N9, alternatively, described photosphere control network element can be determined according to the new photosphere operating path of business described in described the 3rd UNI link and comprises: O-N3 → O-N4 → O-N8 → O-N7.

Alternatively, also comprise after 203: described IP layer control network element receives the collaborative recovery log-on message that described photosphere control network element sends, described collaborative recovery log-on message is for notifying photosphere control network element described in described IP layer control network element to determine the new photosphere operating path of described business.

Particularly, described IP layer control network element can determined after the new IP layer operating path of described business, after 202, on each IP node layer on described new IP layer operating path, be new IP layer operating path described in described business configuration, if and the direction of described the 3rd the above business of UNI link is from IP layer to photosphere, described IP layer control network element can also be the 3rd UNI link described in described business configuration on described the 3rd IP node layer; Similarly, described photosphere control network element can determined after the new photosphere operating path of described business, it on each photosphere node on described new photosphere operating path, is new photosphere operating path described in described business configuration, if and the direction of described the 3rd the above business of UNI link is from photosphere to IP layer, described photosphere control network element can also be the 3rd UNI link described in described business configuration on described the 3rd photosphere node.Alternatively, if the new photosphere operating path of described business is not completely contained in the former photosphere operating path of described business, such as, new photosphere operating path is O-N5 → O-N4 → O-N8 → O-N9 → O-N12, former photosphere operating path is O-N3 → O-N4 → O-N8 → O-N9 → O-N12, and described the 3rd UNI link is: IP-N6 → O-N5, described photosphere control network element only need be in the new photosphere operating path that is included in described business but is not included in the photosphere node in the former photosphere operating path of described business, as upper in O-N5 for as described in new photosphere operating path as described in business configuration, if the new photosphere operating path of described business is completely contained in the former photosphere operating path of described business, such as, new photosphere operating path is O-N4 → O-N8 → O-N9 → O-N12, former photosphere operating path is O-N3 → O-N4 → O-N8 → O-N9 → O-N12, if described the 3rd UNI link is: O-N4 → IP-N14, described photosphere control network element need be only on O-N4, to be the 3rd UNI link described in described business configuration at described the 3rd photosphere node, if described the 3rd UNI link is: IP-N14 → O-N4, described photosphere control network element is without carrying out any configuration, because the required configuration of the each photosphere node on new photosphere operating path is identical with its required configuration on former photosphere operating path.

In the optional implementation of one, described IP layer control network element is in the time receiving described collaborative recovery request, start a timer, the expired time of this timer is acceptable failure recovery time, if when this timer is expired, described IP layer control network element do not determined described the 3rd UNI link yet, such as, executed all failures of Ge Cisuan road, described IP floor control network element stops calculating road, returns and calculates road failure information to described photosphere control network element.

A kind of possible scene is, before this timer is expired, described IP floor control network element calculated road success, determines described the 3rd UNI link, and correspondingly, described IP layer control network element closed this timer.

Another possible scene is, before this timer is expired, described IP floor control network element calculated road for all the 2nd UNI links in described collaborative recovery request, the failure of Qie Junsuan road, now, described IP floor control network element also can return and calculate road failure information and close this timer to described photosphere control network element.

Correspondingly, described photosphere control network element can, according to described calculation road failure information, stop fault recovery.

The present embodiment carries out troubleshooting by IP layer control network element with corresponding photosphere control network element Coordination, a kind of processing scheme for link failure between photosphere in optical network bearing IP network and IP layer is provided, can take into full account further, the former operating path of retained business in optical-fiber network, accelerated fault recovery response speed, shortened switching time of fault recovery, realize highly reliable, high efficiency, fault recovery cheaply.

Fig. 3 a is the structural representation of a kind of photosphere control network element embodiment mono-provided by the invention.As shown in Figure 3 a, photosphere control network element 300 comprises:

The first determination module 31, for definite UNI link breaking down and at least one business of a described UNI link bearer;

The second determination module 32, for for business described in each, determines at least one the 2nd UNI link that can replace a described UNI link in the new operating path of described business;

Request module 33, for for business described in each, asks corresponding IP layer control network element from described at least one the 2nd UNI link, to be identified for replacing one the 3rd UNI link of a described UNI link for described business.

Wherein, photosphere control network element 300 is the control network element in optical-fiber network, can be to the node in optical-fiber network, i.e. and the operating path of photosphere node, and business in optical-fiber network, the photosphere operating path of business manages and controls.

UNI link in the present embodiment is the link between photosphere node and IP node layer, i.e. interlayer link.Alternatively, a described UNI link is the link between one first photosphere node and one the one IP node layer; Similarly, described at least one the 2nd UNI link is respectively the link between one second photosphere node and one the 2nd IP node layer.

In the optional implementation of one, the first determination module 31 specifically for: receive described first photosphere node send fault message, described fault message comprises the service identification of described at least one business.

For instance, the business of a described UNI link bearer has business A and business B, for business A, the first determination module 31 is determined the 2nd UNI link 1,2 that can replace a described UNI link in the new operating path of business A, for business B, the first determination module 31 is determined the 2nd UNI link 3,4,5 that can replace a described UNI link in the new operating path of business B; Alternatively, the 2nd UNI link 1,2 is all relevant with the former photosphere operating path of business A, and the 2nd UNI link 3,4,5 is all relevant with the former photosphere operating path of business B.

Alternatively, the second determination module 32 specifically for: determine with described former photosphere operating path about and have at least one second photosphere node of UNI link.

That is to say, the second determination module 32 by with the former photosphere operating path of described business about and have at least one UNI link that at least one photosphere node of UNI link is corresponding to be defined as in the new operating path of described business, replacing the UNI link of a described UNI link.

Alternatively, the second determination module 32 specifically also for: determine at least one the 2nd IP node layer being connected with described at least one the second photosphere node by UNI link.

For instance, as shown in Figure 1 b, in optical-fiber network, there is photosphere node O-N1～O-N12, in IP network, there is IP node layer IP-N1～IP-N14, suppose the UNI link failure between O-N3 and IP-N4, the second determination module 32 determines that photosphere node O-N2, O-N4, O-N5, O-N7, O-N8, O-N12 have UNI link, and photosphere node O-N1, O-N3, O-N6, O-N9, O-N10, O-N11 are without UNI link.The second determination module 32 determines that the IP node layer that is connected with photosphere node O-N2, O-N4, O-N5, O-N7, O-N8, O-N12 by UNI link respectively: IP-N3, IP-N14, IP-N6, IP-N10, IP-N12, IP-N9.

In the optional implementation of one, the second determination module 32 specifically for: determine on described former photosphere operating path and have at least one second photosphere node of UNI link.

For instance, as shown in Figure 1 b, the former operating path of one business comprises: IP-N1 → IP-N4 → O-N3 → O-N4 → O-N8 → O-N9 → O-N12 → IP-N9, wherein, the former photosphere operating path of this business comprises: O-N3 → O-N4 → O-N8 → O-N9 → O-N12, , the photosphere node being positioned on former photosphere operating path has: O-N3, O-N4, O-N8, O-N9, O-N12, suppose that the UNI link breaking down is IP-N4 → O-N3, the second determination module 32 determine with described former photosphere operating path about and have at least one second photosphere node of UNI link to have: O-N4, O-N8, O-N12.

In another optional implementation, the second determination module 32 specifically for: determine on described former photosphere operating path and have at least one second photosphere node of UNI link; Determine with described at least one the second photosphere node in arbitrary adjacent and have at least one second photosphere node again of UNI link.

Alternatively, adjacently refer to that the jumping figure between node is 1.For instance, as shown in Figure 1 b, the former operating path of one business comprises: IP-N1 → IP-N4 → O-N3 → O-N4 → O-N8 → O-N9 → O-N12 → IP-N9, wherein, the former photosphere operating path of this business comprises: O-N3 → O-N4 → O-N8 → O-N9 → O-N12, the second determination module 32 is determined on described former photosphere operating path and is had at least one second photosphere node of UNI link to have: O-N4, O-N8, O-N12, further, the second determination module 32 is determined and O-N4, O-N8, arbitrary adjacent and have at least one second photosphere node again of UNI link to have in O-N12: O-N5, O-N7, , the second determination module 32 determine with described former photosphere operating path about and have at least one second photosphere node of UNI link to have: O-N4, O-N8, O-N12, O-N5, O-N7.

Wherein, the request object of request module 33---described IP layer control network element, is the control network element in IP network, can be to the node in IP network, be IP node layer, and the operating path of business in IP network, the IP layer operating path of business manages and controls.

For instance, for business A, request module 33 asks the IP layer control network element of photosphere control network element 300 correspondences from the 2nd UNI link 1,2 corresponding to business A, to be identified for replacing one the 3rd UNI link of a described UNI link for business A, for business B, request module 33 asks the IP layer control network element of photosphere control network element 300 correspondences from the 2nd UNI link 3,4,5 corresponding to business A, to be identified for replacing one the 3rd UNI link of a described UNI link for business B.

Particularly, in optical-fiber network, there is at least one photosphere control network element 300, in IP network, have at least one IP layer control network element.Alternatively, each photosphere control network element 300 all has a corresponding IP layer control network element.

Alternatively, request module 33 specifically for: send collaborative recovery request to described IP layer control network element, described collaborative recovery request comprises: the information of a described UNI link, the information of described at least one the 2nd UNI link, the information of described business, described collaborative recovery request is one the 3rd UNI link that described business is identified for replacing a described UNI link for asking from described at least one the 2nd UNI link.

In a kind of possible scene, described at least one the 2nd UNI link comprises multiple the 2nd UNI links.In this scene, alternatively, as shown in Figure 3 b, photosphere control network element 300 also comprises: the 3rd determination module 34, for determining the photosphere adjacency of described multiple the 2nd UNI links and a described UNI link;

For instance, as shown in Figure 1 b, suppose the UNI link failure between O-N3 and IP-N4, be that O-N3 is the first photosphere node, the second determination module 32 is determined on described former photosphere operating path and is had at least one second photosphere node of UNI link to have: O-N4, O-N8, O-N12, and wherein, the jumping figure between O-N4 and O-N3 is 1, jumping figure between O-N8 and O-N3 is that the jumping figure between 2, O-N12 and O-N3 is 4, if the 2nd UNI link between O-N4 and IP-N14 is defined as the 3rd UNI link by described IP layer control network element, photosphere control network element 300 can retain the O-N4 in former photosphere operating path, O-N8, O-N9, the path that O-N12 forms, if the 2nd UNI link between O-N8 and IP-N12 is defined as the 3rd UNI link by described IP layer control network element, photosphere control network element 300 can retain the O-N8 in former photosphere operating path, O-N9, the path that O-N12 forms, the like, known, when described IP layer control network element by with O-N3 between the 2nd UNI link corresponding to the minimum O-N4 of jumping figure while being defined as the 3rd UNI link, photosphere control network element 300 can retain former photosphere operating path to large extent.

Using adjacent node also in the implementation of the node relevant with former photosphere operating path, alternatively, the 3rd determination module 34 can also be according to the 2nd UNI link corresponding to the second photosphere node of whether distinguishing same number of hops on former operating path and the photosphere adjacency of a described UNI link.Alternatively, under the identical condition of jumping figure, the photosphere adjacency of the 2nd UNI link corresponding to node on operating path and a described UNI link is higher than the photosphere adjacency of the 2nd UNI link corresponding to adjacent node and a described UNI link, or the photosphere adjacency of the 2nd UNI link corresponding to node on operating path and a described UNI link is lower than the photosphere adjacency of the 2nd UNI link corresponding to adjacent node and a described UNI link.

For instance, as shown in Figure 1 b, suppose the UNI link failure between O-N3 and IP-N4, second determine optical module 32 determine with described former photosphere operating path about and have at least one second photosphere node of UNI link to have: O-N4, O-N8, O-N12, O-N5, O-N7, wherein, O-N4, O-N8, O-N12 are the node on former photosphere operating path, O-N5, O-N7 be with former photosphere operating path on the adjacent node of node; Jumping figure between O-N4 and O-N3 is that to be jumping figure between 2, O-N7 and O-N3 be that jumping figure between 3, O-N12 and O-N3 is 4 to the jumping figure between 1, O-N5, O-N8 and O-N3;

If the photosphere adjacency of the 2nd UNI link corresponding to the node on operating path and a described UNI link is higher than the photosphere adjacency of the 2nd UNI link corresponding to adjacent node and a described UNI link, the pass of the 2nd UNI link that definite above-mentioned the second photosphere node of the 3rd determination module 34 is corresponding and the photosphere adjacency of a described UNI link is: O-N4>O-N8>O-N5GreatT.GreaT.G TO-N7>O-N12, the photosphere adjacency that is the 2nd UNI link that O-N4 is corresponding and a described UNI link is the highest, the photosphere adjacency of the 2nd UNI link corresponding to O-N8 and a described UNI link is higher than the photosphere adjacency of the 2nd UNI link corresponding to O-N5 and a described UNI link, the like,

If the photosphere adjacency of the 2nd UNI link corresponding to the node on operating path and a described UNI link is lower than the photosphere adjacency of the 2nd UNI link corresponding to adjacent node and a described UNI link, the pass of the 2nd UNI link that definite above-mentioned the second photosphere node of the 3rd determination module 34 is corresponding and the photosphere adjacency of a described UNI link is: O-N4>O-N5>O-N8GreatT.GreaT.G TO-N7>O-N12, the photosphere adjacency that is the 2nd UNI link that O-N4 is corresponding and a described UNI link is the highest, the photosphere adjacency of the 2nd UNI link corresponding to O-N5 and a described UNI link is higher than the photosphere adjacency of the 2nd UNI link corresponding to O-N8 and a described UNI link, the like.

In above-mentioned arbitrary optional implementation, alternatively, as shown in Figure 3 c, photosphere control network element 300 also comprises:

Receiver module 35, sends Suan road successful information for receiving described IP floor control network element, and described calculation road successful information comprises the information of described the 3rd UNI link;

Path determination module 36, for according to the information of described the 3rd UNI link, determines the new photosphere operating path of described business.

Wherein, the information of described the 3rd UNI link comprises: the information of one the 3rd photosphere node of described the 3rd UNI link one end, and/or, the information of one the 3rd IP node layer of the other end.The information of above-mentioned photosphere node or IP node layer comprises the node identification of this node alternatively.Conventionally, described the 3rd UNI link is in definite described at least one the 2nd UNI link of the second determination module 32.

Alternatively, one the 3rd photosphere node that path determination module 36 is corresponding according to described the 3rd UNI link, determines the new photosphere operating path of described business, and described the 3rd photosphere node is on the new photosphere operating path of described business.

Particularly, in described at least one the 2nd UNI link that described IP floor control network element can be determined a described IP node layer, the second determination module 32, the 2nd IP node layer of any correspondence is calculated road, Bing Jiangsuan road successful 1 the 2nd UNI link is defined as described the 3rd UNI link, and detailed process can be with reference to fault handling method embodiment bis-provided by the invention.

Conventionally, the former operating path of a business comprises: former IP layer operating path, former photosphere operating path, and connect at least two UNI links of former IP layer operating path and former photosphere operating path.As shown in Figure 1 b, two UNI links in former operating path are: IP-N4 → O-N3, O-N12 → IP-N9, wherein, IP-N4 → O-N3 is the UNI link breaking down.Suppose that described the 3rd UNI link that described IP layer control network element determined is IP-N14 → O-N4, be that one the 3rd photosphere node that described the 3rd UNI link is corresponding is O-N4, path determination module 36 can determine that the new photosphere operating path of described business comprises: O-N4 → O-N8 → O-N9 → O-N12; Suppose that described the 3rd UNI link that described IP layer control network element determined is IP-N6 → O-N5, be that one the 3rd photosphere node that described the 3rd UNI link is corresponding is O-N5, path determination module 36 can determine that the new photosphere operating path of described business comprises: O-N5 → O-N4 → O-N8 → O-N9 → O-N12.

Alternatively, photosphere control network element 300 also comprises: sending module, for determining after the new photosphere operating path of described business at path determination module 36, send the collaborative log-on message of recovering to described IP layer control network element, described collaborative recovery log-on message is for notifying described IP layer control network element photosphere control network element 300 to determine the new photosphere operating path of described business.

Particularly, described IP layer control network element can determined after the new IP layer operating path of described business, on each IP node layer on described new IP layer operating path, be new IP layer operating path described in described business configuration, if and the direction of described the 3rd the above business of UNI link is from IP layer to photosphere, described IP layer control network element can also be the 3rd UNI link described in described business configuration on described the 3rd IP node layer; Similarly, path determination module 36 can determined after the new photosphere operating path of described business, it on each photosphere node on described new photosphere operating path, is new photosphere operating path described in described business configuration, if and the direction of described the 3rd the above business of UNI link is from photosphere to IP layer, path determination module 36 can also be the 3rd UNI link described in described business configuration on described the 3rd photosphere node.Alternatively, if the new photosphere operating path of described business is not completely contained in the former photosphere operating path of described business, such as, new photosphere operating path is O-N5 → O-N4 → O-N8 → O-N9 → O-N12, former photosphere operating path is O-N3 → O-N4 → O-N8 → O-N9 → O-N12, and described the 3rd UNI link is: IP-N6 → O-N5, path determination module 36 only need be in the new photosphere operating path that is included in described business but is not included in the photosphere node in the former photosphere operating path of described business, as upper in O-N5 for as described in new photosphere operating path as described in business configuration, if the new photosphere operating path of described business is completely contained in the former photosphere operating path of described business, such as, new photosphere operating path is O-N4 → O-N8 → O-N9 → O-N12, former photosphere operating path is O-N3 → O-N4 → O-N8 → O-N9 → O-N12, if described the 3rd UNI link is: O-N4 → IP-N14, path determination module 36 need be only on O-N4, to be the 3rd UNI link described in described business configuration at described the 3rd photosphere node, if described the 3rd UNI link is: IP-N14 → O-N4, path determination module 36 is without carrying out any configuration, because the required configuration of the each photosphere node on new photosphere operating path is identical with its required configuration on former photosphere operating path.

On above-mentioned new operating path, the configuration of each IP node layer, each photosphere node completes, and can think that fault recovery completes.After fault recovery completes, if receive the packet of described business, each IP node layer on described new IP layer operating path all can forward this packet according to the UNI link in described new IP layer operating path or new operating path, and the each photosphere node on described new photosphere operating path all can forward this packet according to the UNI link in described new photosphere operating path or new operating path.

In above-mentioned arbitrary optional implementation, alternatively, photosphere control network element 300 also comprises: receiver module, sends Suan road failure information for receiving described IP floor control network element.Correspondingly, photosphere control network element 300 can, according to described calculation road failure information, stop fault recovery, i.e. the above-mentioned fault treating procedure of stagnation of movement.

Fig. 4 a is the structural representation of a kind of IP layer control network element embodiment mono-provided by the invention.As shown in Fig. 4 a, IP layer control network element 400 comprises:

Receiver module 41, the collaborative recovery request sending for receiving corresponding photosphere control network element, described collaborative recovery request comprises: the information of the information of the UNI link breaking down, at least one business of a described UNI link bearer, can in the new operating path of described business, replace the information of at least one the 2nd UNI link of a described UNI link for business described in each;

Determination module 42, be used for for business described in each, described IP layer control network element is according to the network topology of IP layer and described collaborative recovery request, from described at least one the 2nd UNI link, be identified for replacing one the 3rd UNI link of a described UNI link for described business, and determine the new IP layer operating path of described business.

IP layer control network element 400 in the present embodiment is the control network element in IP network, can be to the node in IP network, i.e. and the operating path of IP node layer, and business in IP network, the IP layer operating path of business manages and controls; Described photosphere control network element is the control network element in optical-fiber network, can be to the node in optical-fiber network, i.e. and the operating path of photosphere node, and business in optical-fiber network, the photosphere operating path of business manages and controls.

Particularly, in optical-fiber network, there is at least one photosphere control network element, in IP network, have at least one IP layer control network element 400.Alternatively, each IP layer control network element 400 all has a corresponding photosphere control network element.

Alternatively, determination module 42 can be determined described the 3rd UNI link in the following way: the 2nd IP node layer to any correspondence in an IP node layer corresponding to a described UNI link, described at least one the 2nd UNI link is calculated road, and Bing Jiangsuan road successful 1 the 2nd UNI link is defined as described the 3rd UNI link.Conventionally,, in Suan road, determination module 42 also needs to consider the direction of business described in operating path.

In the optional implementation of one, as shown in Figure 4 b, determination module 42 comprises:

Orientation determination unit 421, for determining the direction of described the above business of UNI link;

First calculates unit, road 422, being used for is from IP layer to photosphere in response to the direction of described business, taking the upstream IP node layer of a described IP node layer as source node, calculate road taking described at least one the 2nd IP node layer as destination node successively, determine that calculating the 2nd UNI link corresponding to road successful 1 the 2nd IP node layer is described the 3rd UNI link according to the network topology of IP floor;

Second calculates unit, road 423, being used for is from photosphere to IP layer in response to the direction of described business, successively taking described at least one the 2nd IP node layer as source node, calculate road taking a described IP node layer as destination node, determine that calculating the 2nd UNI link corresponding to road successful 1 the 2nd IP node layer is described the 3rd UNI link according to the network topology of IP floor;

Path determining unit 424, for calculating 423Suan road, unit, road result according to the first unit, calculation road 422 or second, determines the new IP layer operating path of described business.

Conventionally, described calculation road successful 1 the 2nd IP node layer is positioned on the new IP floor operating path of described business, calculate rood to a described IP node layer be also contained in the new IP floor operating path of described business to the path between successful 1 the 2nd IP node layer of described calculation road.

Wherein, determination module 42 can directly obtain described at least one the 2nd IP node layer from described collaborative recovery request, such as described collaborative recovery request comprises the information of described at least one the 2nd IP node layer.Alternatively, in the time that described collaborative recovery request comprises the information of described at least one the second photosphere node, determination module 42 can, according to node mapping table, be determined the described at least one two IP node layer corresponding with described at least one the second photosphere node.

First calculate unit, road 422 specifically for: according to the network topology of IP floor taking the upstream IP node layer of a described IP node layer as source node, calculate road taking multiple the 2nd IP node layers corresponding to described multiple the 2nd UNI links as destination node successively according to described photosphere adjacency order from high to low;

Second calculate unit, road 423 specifically for: according to the network topology of IP floor, according to described photosphere adjacency order from high to low successively taking multiple the 2nd IP node layers corresponding to described multiple the 2nd UNI links as source node, calculate road taking a described IP node layer as destination node.

Conventionally,, when when being defined as the 3rd UNI link with higher the 2nd UNI link of the photosphere adjacency of a described UNI link, can retain to large extent former photosphere operating path.Correspondingly, described photosphere adjacency can be indicated the priority of multiple the 2nd UNI links described in described IP layer control network element.The priority of the 2nd UNI link that alternatively, photosphere adjacency is higher is higher.Correspondingly, road can be calculated successively according to the photosphere adjacency of described multiple the 2nd UNI links and described UNI link order from high to low in the first calculation unit, road 422, the second calculation unit, road 423, the success of Ruo Suan road, successful the 2nd UNI link in Ze Jiangsuan road is as described the 3rd UNI link, and stops calculating road according to the 2nd follow-up UNI link.

Alternatively, as shown in Fig. 4 c, IP layer control network element 300 also comprises:

Sending module 43, for sending and calculate road successful information to described photosphere control network element, described calculation road successful information comprises the information of described the 3rd UNI link, and described calculation road successful information is used to indicate described photosphere control network element determines the new photosphere operating path of described business according to the information of described the 3rd UNI link.

For instance, as shown in Figure 1 b, suppose that the UNI link breaking down is IP-N4 → O-N3, , the one IP node layer is IP-N4, the direction of the one the above business of UNI link is from IP layer to photosphere, described photosphere control network element can determine that the second photosphere node corresponding to described at least one the 2nd UNI link has according to fault handling method embodiment of the method one provided by the invention: O-N4, O-N8, O-N5, O-N7, O-N12, correspondingly, the 2nd IP node layer corresponding to described at least one the 2nd UNI link has: IP-N14, IP-N12, IP-N6, IP-N10, IP-N9, and above-mentioned the second photosphere node and the 2nd IP node layer are all arranged according to the photosphere adjacency of affiliated the 2nd UNI link and described UNI link order from high to low, first calculates unit, road 422 can calculate the upstream IP node layer from IP-N4 successively, it is the path that IP-N1 arrives above-mentioned the 2nd IP node layer, in the time calculating path from IP-N1 to IP-N14, according to the network topology of IP layer as shown in Figure 1 b, can determine that the path from IP-N1 to IP-N14 is: IP-N1 → IP-N2 → IP-N5 → IP-N14, the success of Ji Suan road, first calculates unit, road 422 finishes to calculate road alternatively, using IP-N14 → O-N4 as described the 3rd UNI link, correspondingly, path determining unit 424 determines that the new IP layer operating path of described business comprises: IP-N1 → IP-N2 → IP-N5 → IP-N14, alternatively, described photosphere control network element can determine that the new photosphere operating path of described business comprises: O-N4 → O-N8 → O-N9 → O-N12 according to described the 3rd UNI link.

Again for instance, as shown in Figure 1 b, suppose that the UNI link breaking down is O-N12 → IP-N9, , the one IP node layer is IP-N9, the direction of the one the above business of UNI link is from photosphere to IP layer, described photosphere control network element can determine that the second photosphere node corresponding to described at least one the 2nd UNI link has according to fault handling method embodiment mono-provided by the invention: O-N8, O-N7, O-N4, O-N5, O-N3, correspondingly, the 2nd IP node layer corresponding to described at least one the 2nd UNI link has: IP-N12, IP-N10, IP-N14, IP-N6, IP-N4, and above-mentioned the second photosphere node and the 2nd IP node layer are all arranged according to the photosphere adjacency of affiliated the 2nd UNI link and described UNI link order from high to low, second calculates unit, road 423 can calculate the path from above-mentioned the 2nd IP node layer to IP-N9 successively, in the time calculating path from IP-N12 to IP-N9, the failure of calculation road, then second calculates unit, road 423 calculates the path from IP-N10 to IP-N9, can determine that the path from IP-N10 to IP-N9 is: IP-N10 → IP-N11 → IP-N9, the success of Ji Suan road, second calculates unit, road 423 finishes to calculate road alternatively, using O-N7 → IP-N10 as described the 3rd UNI link, correspondingly, path determining unit 424 determines that the new IP layer operating path of described business comprises: IP-N1 → IP-N4, IP-N10 → IP-N11 → IP-N9, alternatively, described photosphere control network element can be determined according to the new photosphere operating path of business described in described the 3rd UNI link and comprises: O-N3 → O-N4 → O-N8 → O-N7.

Alternatively, receiver module 41 also for: receive the collaborative recovery log-on message that described photosphere control network element sends, described collaborative recovery log-on message is for notifying photosphere control network element described in IP layer control network element 400 to determine the new photosphere operating path of described business.

Particularly, determination module 42 can determined after the new IP layer operating path of described business, on each IP node layer on described new IP layer operating path, be new IP layer operating path described in described business configuration, if and the direction of described the 3rd the above business of UNI link is from IP layer to photosphere, determination module 42 can also be the 3rd UNI link described in described business configuration on described the 3rd IP node layer; Similarly, described photosphere control network element can determined after the new photosphere operating path of described business, it on each photosphere node on described new photosphere operating path, is new photosphere operating path described in described business configuration, if and the direction of described the 3rd the above business of UNI link is from photosphere to IP layer, described photosphere control network element can also be the 3rd UNI link described in described business configuration on described the 3rd photosphere node.Alternatively, if the new photosphere operating path of described business is not completely contained in the former photosphere operating path of described business, such as, new photosphere operating path is O-N5 → O-N4 → O-N8 → O-N9 → O-N12, former photosphere operating path is O-N3 → O-N4 → O-N8 → O-N9 → O-N12, and described the 3rd UNI link is: IP-N6 → O-N5, described photosphere control network element only need be in the new photosphere operating path that is included in described business but is not included in the photosphere node in the former photosphere operating path of described business, as upper in O-N5 for as described in new photosphere operating path as described in business configuration, if the new photosphere operating path of described business is completely contained in the former photosphere operating path of described business, such as, new photosphere operating path is O-N4 → O-N8 → O-N9 → O-N12, former photosphere operating path is O-N3 → O-N4 → O-N8 → O-N9 → O-N12, if described the 3rd UNI link is: O-N4 → IP-N14, described photosphere control network element need be only on O-N4, to be the 3rd UNI link described in described business configuration at described the 3rd photosphere node, if described the 3rd UNI link is: IP-N14 → O-N4, described photosphere control network element is without carrying out any configuration, because the required configuration of the each photosphere node on new photosphere operating path is identical with its required configuration on former photosphere operating path.

In the optional implementation of one, receiver module 41 is in the time receiving described collaborative recovery request, start a timer, the expired time of this timer is acceptable failure recovery time, if when this timer is expired, determination module 42 is not determined described the 3rd UNI link yet, such as, the first calculation unit, road 422 or second is calculated unit, road 423 and has been executed all failures of Ge Cisuan road, the first calculation unit, road 422 or the second calculation unit, road 423 stop calculating road, return and calculate road failure information to described photosphere control network element.

A kind of possible scene is, before this timer is expired, determination module 42 is determined described the 3rd UNI link, first calculates unit, road 422 or second and calculates the success of 423Suan road, unit, road, and correspondingly, determination module 42 is closed this timer.

Another possible scene is, before this timer is expired, the first calculation unit, road 422 or second is calculated unit, road 423 and is calculated road for all the 2nd UNI links in described collaborative recovery request, and all failures, now, the first calculation unit, road 422 or the second calculation unit, road 423 also can return and calculate road failure information and close this timer to described photosphere control network element.

Fig. 5 is the structural representation of a kind of photosphere control network element embodiment bis-provided by the invention.As shown in Figure 5, photosphere control network element 500 comprises:

Processor (processor) 51, communication interface (CommunicationsInterface) 52, memory (memory) 53 and communication bus 54.Wherein:

Processor 51, communication interface 52 and memory 53 complete mutual communication by communication bus 54.

Communication interface 52, for communicating by letter such as external equipments such as IP layer control network element, photosphere nodes.

Processor 51, for executive program 532, specifically can carry out the correlation step in above-mentioned fault handling method embodiment mono-.

Particularly, program 532 can comprise program code, and described program code comprises computer-managed instruction.

Processor 51 may be a central processor CPU, or specific integrated circuit ASIC (Application Specific Integrated Circuit), or be configured to implement one or more integrated circuits of fault handling method embodiment mono-.

Memory 53, for depositing program 532.Memory 53 may comprise high-speed RAM memory, also may also comprise nonvolatile memory (non-volatile memory), for example at least one magnetic disc store.Program 532 specifically can be for making photosphere control network element 500 carry out following steps:

Definite UNI link breaking down and at least one business of a described UNI link bearer;

For business described in each, determine at least one the 2nd UNI link that can replace a described UNI link in the new operating path of described business;

For business described in each, ask corresponding IP layer control network element from described at least one the 2nd UNI link, to be identified for replacing one the 3rd UNI link of a described UNI link for described business.

In program 532, the specific implementation of each step can, referring to description corresponding in the corresponding steps in above-mentioned fault handling method embodiment mono-and unit, be not repeated herein.Those skilled in the art can be well understood to, and for convenience and simplicity of description, the specific works process of the equipment of foregoing description and module, can describe with reference to the corresponding process in aforementioned fault handling method embodiment mono-, does not repeat them here.

Fig. 6 is the structural representation of a kind of IP layer control network element embodiment bis-provided by the invention.As shown in Figure 6, IP layer control network element 600 comprises:

Processor (processor) 61, communication interface (Communications Interface) 62, memory (memory) 63 and communication bus 64.Wherein:

Processor 61, communication interface 62 and memory 63 complete mutual communication by communication bus 64.

Communication interface 62, for communicating by letter such as external equipments such as photosphere control network element, IP node layers.

Processor 61, for executive program 632, specifically can carry out the correlation step in above-mentioned fault handling method embodiment bis-.

Particularly, program 632 can comprise program code, and described program code comprises computer-managed instruction.

Processor 61 may be a central processor CPU, or specific integrated circuit ASIC (Application Specific Integrated Circuit), or be configured to implement one or more integrated circuits of fault handling method embodiment bis-.

Memory 63, for depositing program 632.Memory 63 may comprise high-speed RAM memory, also may also comprise nonvolatile memory (non-volatile memory), for example at least one magnetic disc store.Program 632 specifically can be for making IP layer control network element 600 carry out following steps:

Receive the collaborative recovery request that corresponding photosphere control network element sends, described collaborative recovery request comprises: the information of the information of the UNI link breaking down, at least one business of a described UNI link bearer, can in the new operating path of described business, replace the information of at least one the 2nd UNI link of a described UNI link for business described in each;

For business described in each, according to the network topology of IP layer and described collaborative recovery request, from described at least one the 2nd UNI link, be identified for replacing one the 3rd UNI link of a described UNI link for described business, and determine the new IP layer operating path of described business.

In program 632, the specific implementation of each step can, referring to description corresponding in the corresponding steps in above-mentioned fault handling method embodiment bis-and unit, be not repeated herein.Those skilled in the art can be well understood to, and for convenience and simplicity of description, the specific works process of the equipment of foregoing description and module, can describe with reference to the corresponding process in aforementioned fault handling method embodiment bis-, does not repeat them here.

Those of ordinary skill in the art can recognize, unit and the method step of each example of describing in conjunction with embodiment disclosed herein, can realize with the combination of electronic hardware or computer software and electronic hardware.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 realize described function with distinct methods to each specifically should being used for, but this realization should not thought and exceeds scope of the present invention.

If described function realizes and during as production marketing independently or use, can be stored in a computer read/write memory medium using the form of SFU software functional unit.Based on such understanding, the part that technical scheme of the present invention contributes to original technology in essence in other words or the part 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 (can be personal computers in order to make a computer equipment, 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.

Above execution mode is only for illustrating the present invention; and be not limitation of the present invention; the those of ordinary skill in relevant technologies field; without departing from the spirit and scope of the present invention; can also make a variety of changes and modification; therefore all technical schemes that are equal to also belong to category of the present invention, and scope of patent protection of the present invention should be defined by the claims.

Claims

1. a fault handling method, is characterized in that, described method comprises:

2. method according to claim 1, is characterized in that, a described UNI link is the link between one first photosphere node and one the one IP node layer;

Described at least one the 2nd UNI link is respectively the link between one second photosphere node and one the 2nd IP node layer.

3. method according to claim 2, is characterized in that, the definite first user network interface UNI link breaking down of described photosphere control network element and at least one business of a described UNI link bearer, comprising:

4. according to the method in claim 2 or 3, it is characterized in that, described at least one the 2nd UNI link is relevant with the former photosphere operating path of described business.

5. method according to claim 4, is characterized in that, described photosphere control network element is determined at least one the 2nd UNI link that can replace a described UNI link in the new operating path of described business, comprising:

6. method according to claim 5, is characterized in that, described photosphere control network element determine with described former photosphere operating path about and have at least one second photosphere node of UNI link, comprising:

7. method according to claim 6, is characterized in that, described photosphere control network element determine with described former photosphere operating path about and have at least one second photosphere node of UNI link, also comprise:

8. according to arbitrary described method in claim 5～7, it is characterized in that, described photosphere control network element is determined at least one the 2nd UNI link that can replace a described UNI link in the new operating path of described business, also comprises:

9. according to arbitrary described method in claim 1～8, it is characterized in that, IP layer control network element corresponding to described photosphere control network element request is identified for replacing one the 3rd UNI link of a described UNI link from described at least one the 2nd UNI link for described business, comprising:

10. method according to claim 9, is characterized in that, described at least one the 2nd UNI link comprises multiple the 2nd UNI links; Described method also comprises:

11. methods according to claim 10, it is characterized in that, the photosphere adjacency of described multiple the 2nd UNI link and a described UNI link, respectively with link-attached the second photosphere node of each described the 2nd UNI and link-attached the first photosphere node of a described UNI between jumping figure relevant.

12. according to arbitrary described method in claim 1～11, it is characterized in that, described method also comprises:

Described photosphere control network element receives described IP floor control network element and sends Suan road successful information, and described calculation road successful information comprises the information of described the 3rd UNI link;

Described photosphere control network element, according to the information of described the 3rd UNI link, is determined the new photosphere operating path of described business.

13. 1 kinds of fault handling methods, is characterized in that, described method comprises:

14. methods according to claim 13, is characterized in that, a described UNI link is the link between one first photosphere node and one the one IP node layer;

15. methods according to claim 14, is characterized in that, the information of a described UNI link comprises: the information of described the first photosphere node, and/or, the information of a described IP node layer.

16. according to the method described in claims 14 or 15, it is characterized in that, the information of described at least one the 2nd UNI link comprises: the information of described at least one the second photosphere node, and/or, the information of described at least one the 2nd IP node layer.

17. methods according to claim 14, it is characterized in that, described IP layer control network element, according to the network topology of IP layer and described collaborative recovery request, is identified for replacing one the 3rd UNI link of a described UNI link from described at least one the 2nd UNI link for described business, comprising:

18. methods according to claim 17, is characterized in that, described at least one the 2nd UNI link comprises multiple the 2nd UNI links, and described collaborative recovery request also comprises: the photosphere adjacency of described multiple the 2nd UNI links and a described UNI link;

19. according to the method described in claim 17 or 18, it is characterized in that, described calculation road successful 1 the 2nd IP node layer is positioned on the new IP floor operating path of described business.

20. according to arbitrary described method in claim 17～19, it is characterized in that, described method also comprises:

Described IP floor control network element sends and calculates road successful information to described photosphere control network element, described calculation road successful information comprises the information of described the 3rd UNI link, and described calculation road successful information is used to indicate described photosphere control network element determines the new photosphere operating path of described business according to the information of described the 3rd UNI link.

21. 1 kinds of photosphere control network elements, is characterized in that, described photosphere control network element comprises:

22. network elements according to claim 21, is characterized in that, a described UNI link is the link between one first photosphere node and one the one IP node layer;

23. network elements according to claim 22, is characterized in that, described the first determination module specifically for: receive described first photosphere node send fault message, described fault message comprises the service identification of described at least one business.

24. according to the network element described in claim 22 or 23, it is characterized in that, described at least one the 2nd UNI link is relevant with the former photosphere operating path of described business.

25. network elements according to claim 24, is characterized in that, described the second determination module specifically for: determine with described former photosphere operating path about and have at least one second photosphere node of UNI link.

26. network elements according to claim 25, is characterized in that, described the second determination module specifically for: determine on described former photosphere operating path and have at least one second photosphere node of UNI link.

27. network elements according to claim 26, is characterized in that, described the second determination module specifically also for: determine arbitrary adjacent and have at least one second photosphere node again of UNI link with described at least one the second photosphere node.

28. according to arbitrary described network element in claim 25～27, it is characterized in that, described the second determination module specifically also for: determine at least one the 2nd IP node layer being connected with described at least one the second photosphere node by UNI link.

29. according to arbitrary described network element in claim 21～28, it is characterized in that, described request module specifically for: send collaborative recovery request to described IP layer control network element, described collaborative recovery request comprises: the information of a described UNI link, the information of described at least one the 2nd UNI link, the information of described business, described collaborative recovery request is one the 3rd UNI link that described business is identified for replacing a described UNI link for asking from described at least one the 2nd UNI link.

30. network elements according to claim 29, is characterized in that, described at least one the 2nd UNI link comprises multiple the 2nd UNI links; Described photosphere control network element also comprises:

The 3rd determination module, for determining the photosphere adjacency of described multiple the 2nd UNI links and a described UNI link;

31. network elements according to claim 30, it is characterized in that, the photosphere adjacency of described multiple the 2nd UNI link and a described UNI link, respectively with link-attached the second photosphere node of each described the 2nd UNI and link-attached the first photosphere node of a described UNI between jumping figure relevant.

32. according to arbitrary described network element in claim 21～31, it is characterized in that, described photosphere control network element also comprises:

Receiver module, sends Suan road successful information for receiving described IP floor control network element, and described calculation road successful information comprises the information of described the 3rd UNI link;

Path determination module, for according to the information of described the 3rd UNI link, determines the new photosphere operating path of described business.

33. 1 kinds of IP layer control network elements, is characterized in that, described IP layer control network element comprises:

34. network elements according to claim 33, is characterized in that, a described UNI link is the link between one first photosphere node and one the one IP node layer;

35. network elements according to claim 34, is characterized in that, the information of a described UNI link comprises: the information of described the first photosphere node, and/or, the information of a described IP node layer.

36. according to the network element described in claim 34 or 35, it is characterized in that, the information of described at least one the 2nd UNI link comprises: the information of described at least one the second photosphere node, and/or, the information of described at least one the 2nd IP node layer.

37. network elements according to claim 34, is characterized in that, described determination module comprises:

Orientation determination unit, for determining the direction of described the above business of UNI link;

First calculates unit, road, being used for is from IP layer to photosphere in response to the direction of described business, taking the upstream IP node layer of a described IP node layer as source node, calculate road taking described at least one the 2nd IP node layer as destination node successively, determine that calculating the 2nd UNI link corresponding to road successful 1 the 2nd IP node layer is described the 3rd UNI link according to the network topology of IP floor;

Second calculates unit, road, being used for is from photosphere to IP layer in response to the direction of described business, successively taking described at least one the 2nd IP node layer as source node, calculate road taking a described IP node layer as destination node, determine that calculating the 2nd UNI link corresponding to road successful 1 the 2nd IP node layer is described the 3rd UNI link according to the network topology of IP floor;

Path determining unit, calculates Suan road, unit, road result for calculating unit, road or described second according to described first, determines the new IP layer operating path of described business.

38. according to the network element described in claim 37, it is characterized in that, described at least one the 2nd UNI link comprises multiple the 2nd UNI links, and described collaborative recovery request also comprises: the photosphere adjacency of described multiple the 2nd UNI links and a described UNI link;

Described first calculate unit, road specifically for: according to the network topology of IP floor taking the upstream IP node layer of a described IP node layer as source node, calculate road taking multiple the 2nd IP node layers corresponding to described multiple the 2nd UNI links as destination node successively according to described photosphere adjacency order from high to low;

Described second calculate unit, road specifically for: according to the network topology of IP floor, according to described photosphere adjacency order from high to low successively taking multiple the 2nd IP node layers corresponding to described multiple the 2nd UNI links as source node, calculate road taking a described IP node layer as destination node.

39. according to the network element described in claim 37 or 38, it is characterized in that, described calculation road successful 1 the 2nd IP node layer is positioned on the new IP floor operating path of described business.

40. according to arbitrary described network element in claim 37～39, it is characterized in that, described IP layer control network element also comprises:

Sending module, for sending and calculate road successful information to described photosphere control network element, described calculation road successful information comprises the information of described the 3rd UNI link, and described calculation road successful information is used to indicate described photosphere control network element determines the new photosphere operating path of described business according to the information of described the 3rd UNI link.