CN105337856B - Cross-domain service processing method, apparatus and system - Google Patents
Cross-domain service processing method, apparatus and system Download PDFInfo
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- CN105337856B CN105337856B CN201410397808.8A CN201410397808A CN105337856B CN 105337856 B CN105337856 B CN 105337856B CN 201410397808 A CN201410397808 A CN 201410397808A CN 105337856 B CN105337856 B CN 105337856B
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Abstract
The present invention provides a kind of cross-domain service processing methods, apparatus and system, wherein this method comprises: establishing the overlapping trees for shared node information mutual between interconnecting main-standby nodes between cross-domain interconnection main-standby nodes；The shared node information shared between interconnecting main-standby nodes according to the overlapping trees established; and the failure detected; processing is forwarded to cross-domain service; through the invention; solve the problems, such as that there is no for being able to maintain the cross-domain protection scheme independently switched on each domain in the related technology; and then the effect that protection switching independence and simplicity on each domain are kept in the case where inter-connection links or node failure is reached.
Description
Technical field
The present invention relates to the communications fields, in particular to a kind of cross-domain service processing method, apparatus and system.
Background technique
For in current protection technique, mainly for the guard method of domain internal fault, such as: Ethernet cable protection
G.8031, OTN linear protection (G.873.1) and OTN looped network protection (G.873.2) and MPLS-TP linear protection (G.8131)
Etc., mainly for being protected on single Autonomous Domain, and the protection for cross-domain path or business, especially in interlink node or link
In the case of failure, only guard method is not restore cross-domain service in voucher domain, needs linking switching on two domains could be right
Cross-domain service is restored and is protected, but such linking switching influences whether the independence of each domain pretection switch, and protection is brought to cut
The complexity changed, this is the undesirable result of operator.In addition, there is currently some schemes, by control plane signaling, in advance
It first establishes a cross-domain end-to-end Protection path and end-to-end protection, but this mode is carried out to cross-domain operating path, implement
It is more complicated, need to control plane progress adjacent domains topology learning on each domain；There are also a kind of schemes, by building in domain-to-domain link
Vertical static binding backup inter-domain path in the case of protecting inter-domain link fault, is protected, brings configuration trouble and operate not
Flexibility；And G.MDSP (Multi-Domain Segment is being studied and formulated in current itu-t SG15Q9 working group
Protection) standard document, a main network objective are exactly that pretection switch behavior on each domain is needed to keep only
Vertical property (independent) principle.The problem is illustrated below, Fig. 1 is same domain simultaneously at two in the related technology
The schematic diagram of a scenario of failure, as shown in Figure 1, when shared link breaks down simultaneously on the operating path on domain 1 and its two domain,
Operating path and Protection path all break down on its domain, are that can not carry out cross-domain industry according to current 1:1 Linear protection method
The protection of business.According to mutually linkage switching between two domains, the independence that switching is protected between domain is influenced whether.
However, in the related art and there is no for being able to maintain the cross-domain protection scheme independently switched on each domain.
Summary of the invention
The present invention provides a kind of cross-domain service processing methods, apparatus and system, at least to solve not deposit in the related technology
For being able to maintain the cross-domain protection scheme independently switched on each domain the problem of.
According to an aspect of the invention, there is provided a kind of cross-domain service processing method, comprising: in the cross-domain active and standby section of interconnection
The overlapping trees for the mutual shared node information between the interconnection main-standby nodes are established between point；It is described shared according to what is established
The shared node information that path is shared between the interconnection main-standby nodes, and the failure detected, to the cross-domain service into
Row forward process.
Preferably, it is being established between the cross-domain interconnection main-standby nodes for mutually shared between the interconnection main-standby nodes
After the overlapping trees of nodal information, further includes: the corresponding Protection path in each domain is established for the overlapping trees,
Wherein, the Protection path executes the function of the overlapping trees when the overlapping trees break down.
Preferably, it is established in each domain after the corresponding Protection path for the overlapping trees, further includes: right
Corresponding Protection path determines the function that the overlapping trees are preferentially executed when the overlapping trees break down in each domain
Priority, determine the Protection path for executing the function of the overlapping trees according to the priority.
Preferably, the shared node information shared between the interconnection main-standby nodes according to the overlapping trees established,
And the failure detected, being forwarded processing to the cross-domain service includes following one: in the first domain on cross-domain path
Working path failure in the case where, interconnection slave node it is described cross-domain by what is received from the Protection path in first domain
Business is sent to interconnection host node by the overlapping trees, and the interconnection host node is according to packaged in the cross-domain service
Protection path mark and the binding relationship between operating path and Protection path, by the operating path in the second domain to institute
It states cross-domain service and is forwarded processing；Operating path and the equal failure of the overlapping trees in the first domain on cross-domain path
In the case of, interconnection slave node passes through the cross-domain service received from the Protection path in first domain described shared
The Protection path in path is sent to interconnection host node, and the interconnection host node is according to protection road packaged in the cross-domain service
Diameter mark and the binding relationship between operating path and Protection path, by the operating path in the second domain to described cross-domain
Business is forwarded processing；In the case where interconnecting host node failure, the interconnection slave node is according to shared from interconnection host node
Operating path and Protection path between binding relationship, by first domain Protection path and second domain in guarantor
Road maintenance diameter is spliced, and the cross-domain service received from the Protection path in first domain is passed through second domain
Interior Protection path is forwarded processing to the cross-domain service.
According to another aspect of the present invention, a kind of cross-domain service processing unit is provided, comprising: first establishes module, uses
In overlapping trees of the foundation for the mutual shared node information between the interconnection main-standby nodes between cross-domain interconnection main-standby nodes；
Processing module, the shared node information for being shared between the interconnection main-standby nodes according to the overlapping trees established, with
And the failure detected, processing is forwarded to the cross-domain service.
Preferably, device further include: second establishes module, corresponding in each domain for establishing for the overlapping trees
Protection path, wherein the Protection path executes the function of the overlapping trees when the overlapping trees break down.
Preferably, the device further include: determining module, for determining Protection path corresponding in each domain described total
The priority that the function of the overlapping trees is preferentially executed when enjoying path fails is determined according to the priority for executing
The Protection path of the function of the overlapping trees.
Preferably, the processing module includes following one: first processing units, for the cross-domain path in the first domain
Working path failure in the case where, interconnection slave node it is described cross-domain by what is received from the Protection path in first domain
Business is sent to interconnection host node by the overlapping trees, and the interconnection host node is according to packaged in the cross-domain service
Protection path mark and the binding relationship between operating path and Protection path, by the operating path in the second domain to institute
It states cross-domain service and is forwarded processing；The second processing unit, operating path and institute on path cross-domain in the first domain
In the case where stating the equal failure of overlapping trees, interconnection slave node will be received from the Protection path in first domain described in across
Domain business is sent to interconnection host node by the Protection path of the overlapping trees, and the interconnection host node is according to the cross-domain industry
Packaged Protection path mark and the binding relationship between operating path and Protection path in business, by the second domain
Operating path is forwarded processing to the cross-domain service；Third processing unit is used in the case where interconnecting host node failure,
The interconnection slave node is according to from the binding relationship between interconnection host node shared operating path and Protection path, by described the
Protection path in one domain is spliced with the Protection path in second domain, will be from the Protection path in first domain
The cross-domain service received is forwarded processing to the cross-domain service by the Protection path in second domain.
Also one side according to the present invention, provides a kind of cross-domain service processing system, comprising: one or more first
Domain, one or more second domains, one or more of first domains and one or more of second domains are by interconnecting active and standby section
Point interconnection, wherein the interconnection main-standby nodes, it is mutually shared according to the overlapping trees established between the interconnection main-standby nodes
The shared node information of Correspondent Node；The interconnection slave node, the operating path being also used in first domain break down
And/or in the case that host node breaks down, the cross-domain service received from the Protection path in first domain is led to
It crosses the overlapping trees and is transmitted to the interconnection host node.
Preferably, the interconnection main-standby nodes are also used in the case where the overlapping trees break down, by described
The Protection path of overlapping trees shares the shared node information, and the forward process to the cross-domain service.
Through the invention, it establishes using between cross-domain interconnection main-standby nodes for mutually total between the interconnection main-standby nodes
Enjoy the overlapping trees of nodal information；The shared node shared between the interconnection main-standby nodes according to the overlapping trees established
Information, and the failure detected are forwarded processing to the cross-domain service, solve and are not present in the related technology for energy
The problem of keeping the cross-domain protection scheme independently switched on each domain, and then reached the feelings in inter-connection links or node failure
Under condition, the effect of protection switching independence and simplicity on each domain is kept.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 be in the related technology same domain simultaneously at two failure schematic diagram of a scenario；
Fig. 2 is the flow chart of cross-domain service processing method according to an embodiment of the present invention；
Fig. 3 is the structural block diagram of cross-domain service processing unit according to an embodiment of the present invention；
Fig. 4 is the preferred structure block diagram one of cross-domain service processing unit according to an embodiment of the present invention；
Fig. 5 is the preferred structure block diagram two of cross-domain service processing unit according to an embodiment of the present invention；
Fig. 6 is the preferred structure block diagram of processing module 34 in cross-domain service processing unit according to an embodiment of the present invention；
Fig. 7 is the structural block diagram of cross-domain service processing system according to an embodiment of the present invention；
Fig. 8 is the structural block diagram of cross-domain service processing system according to the preferred embodiment of the invention；
Fig. 9 is cross-domain trail protection structural schematic diagram according to an embodiment of the present invention；
Figure 10 is the domain internal fault protection structural schematic diagram of preferred embodiment 1 according to the present invention；
Figure 11 is the interlink node fail secure configuration schematic diagram of preferred embodiment 2 according to the present invention；
Figure 12 is the structural representation of the cross-domain individual path and shared tunnel simultaneous faults of preferred embodiment 3 according to the present invention
Figure；
Figure 13 is the cross-domain service protection flow chart of preferred embodiment 4 according to the present invention.
Specific embodiment
Hereinafter, the present invention will be described in detail with reference to the accompanying drawings and in combination with Examples.It should be noted that not conflicting
In the case of, the features in the embodiments and the embodiments of the present application can be combined with each other.
A kind of cross-domain service processing method is provided in the present embodiment, and Fig. 2 is cross-domain industry according to an embodiment of the present invention
The flow chart for processing method of being engaged in, as shown in Fig. 2, the process includes the following steps:
Step S202 is established between cross-domain interconnection main-standby nodes for shared node information mutual between interconnecting main-standby nodes
Overlapping trees；
Step S204, according to the shared node information that the overlapping trees established are shared between interconnecting main-standby nodes, Yi Jijian
The failure measured is forwarded processing to cross-domain service.
Through the above steps, it establishes between cross-domain interconnection main-standby nodes for the mutual shared node between interconnecting main-standby nodes
The overlapping trees of information；According to the shared node information that the overlapping trees established are shared between interconnecting main-standby nodes, and detection
The failure arrived is forwarded processing to cross-domain service, solves to be not present in the related technology and independently cut for being able to maintain on each domain
The problem of cross-domain protection scheme changed, and then reached in the case where inter-connection links or node failure, it keeps on each domain
The effect of protection switching independence and simplicity.
In order to ensure being also able to carry out being total to for information between interconnection main-standby nodes in the case where overlapping trees break down
It enjoys, the shared road for shared node information mutual between interconnecting main-standby nodes can established between cross-domain interconnection main-standby nodes
After diameter, the corresponding Protection path in each domain is established for overlapping trees, wherein in overlapping trees event occurs for the Protection path
The function of overlapping trees is executed when barrier.
More preferably, it is established in each domain after corresponding Protection path for overlapping trees, it can also be in each domain
Corresponding Protection path determines the priority that the function of overlapping trees is preferentially executed when overlapping trees break down, according to preferential
Grade determines the Protection path for executing the function of overlapping trees.
In the shared node information shared between interconnecting main-standby nodes according to the overlapping trees established, and the event detected
Barrier when being forwarded processing to cross-domain service, according to the difference of the scene to break down, can use different forward process:
For example, in the case where working path failure in the first domain on cross-domain path, interconnection slave node will be from the protection in the first domain
The cross-domain service received on path is sent to interconnection host node by overlapping trees, and interconnection host node is according to institute in cross-domain service
The Protection path of encapsulation identifies and the binding relationship between operating path and Protection path, passes through the working ways in the second domain
Diameter is forwarded processing to cross-domain service；For another example the operating path and overlapping trees in the first domain on cross-domain path are equal
In the case where failure, the cross-domain service received from the Protection path in the first domain is passed through overlapping trees by interconnection slave node
Protection path is sent to interconnection host node, and interconnection host node is according to Protection path mark packaged in cross-domain service, Yi Jigong
Make the binding relationship between path and Protection path, processing is forwarded to cross-domain service by the operating path in the second domain；
In another example interconnection slave node is according to the operating path and guarantor shared from interconnection host node in the case where interconnecting host node failure
Binding relationship between road maintenance diameter splices the Protection path in the first domain with the Protection path in the second domain, will be from
The cross-domain service received on Protection path in one domain is forwarded place to cross-domain service by the Protection path in the second domain
Reason.
Additionally provide a kind of cross-domain service processing unit in the present embodiment, the device is for realizing above-described embodiment and excellent
Embodiment is selected, the descriptions that have already been made will not be repeated.As used below, predetermined function may be implemented in term " module "
Software and/or hardware combination.Although device described in following embodiment is preferably realized with software, hardware,
Or the realization of the combination of software and hardware is also that may and be contemplated.
Fig. 3 is the structural block diagram of cross-domain service processing unit according to an embodiment of the present invention, as shown in figure 3, the device packet
It includes first and establishes module 32 and processing module 34, the device is illustrated below.
First establishes module 32, for establishing between cross-domain interconnection main-standby nodes for mutually total between interconnecting main-standby nodes
Enjoy the overlapping trees of nodal information；Processing module 34 is connected to above-mentioned first and establishes module 32, for according to the shared road established
The shared node information that diameter is shared between interconnecting main-standby nodes, and the failure detected, are forwarded processing to cross-domain service.
Fig. 4 is the preferred structure block diagram one of cross-domain service processing unit according to an embodiment of the present invention, as shown in figure 4, should
Device further includes second establishing module 42 in addition to including all modules shown in Fig. 3, this second is established module 42 and carried out below
Explanation.
Second establishes module 42, is connected to above-mentioned first and establishes module 32, for establishing in each domain for overlapping trees
Corresponding Protection path, wherein Protection path executes the function of overlapping trees when overlapping trees break down.
Fig. 5 is the preferred structure block diagram two of cross-domain service processing unit according to an embodiment of the present invention, as shown in figure 5, should
Device further includes determining module 52, is illustrated below to the determining module 52 in addition to including all modules shown in Fig. 4.
Determining module 52 is connected to above-mentioned second and establishes module 42, for determining to Protection path corresponding in each domain
The priority of the function of overlapping trees is preferentially executed when overlapping trees break down, it is shared for executing according to priority determination
The Protection path of the function in path.
Fig. 6 is the preferred structure block diagram of processing module 34 in cross-domain service processing unit according to an embodiment of the present invention, such as
Shown in Fig. 6, which includes following one: first processing units 62, the second processing unit 64, third processing unit
66, the processing module 34 is illustrated below.
First processing units 62 in the case where working path failure on path cross-domain in the first domain, interconnect standby
The cross-domain service received from the Protection path in the first domain is sent to interconnection host node by overlapping trees by node, interconnection
Host node is closed according to Protection path mark packaged in cross-domain service and the binding between operating path and Protection path
System, is forwarded processing to cross-domain service by the operating path in the second domain；The second processing unit 64, in the first domain
In the case where the equal failure of operating path and overlapping trees on cross-domain path, interconnection slave node will be from the protection road in the first domain
The cross-domain service received on diameter is sent to interconnection host node by the Protection path of overlapping trees, interconnects host node according to cross-domain
Packaged Protection path mark and the binding relationship between operating path and Protection path in business, by the second domain
Operating path processing is forwarded to cross-domain service；Third processing unit 66 is used in the case where interconnecting host node failure,
Interconnection slave node foundation, will be in the first domain from the binding relationship between interconnection host node shared operating path and Protection path
Protection path is spliced with the Protection path in the second domain, the cross-domain service that will be received from the Protection path in the first domain
Processing is forwarded to cross-domain service by the Protection path in the second domain.
Fig. 7 is the structural block diagram of cross-domain service processing system according to an embodiment of the present invention, as shown in fig. 7, the system 70
It include: one or more first domains 72, one or more second domains 74, one or more first domains and one or more second domains
Pass through interconnection host node 76 and interconnection slave node 78 to interconnect, wherein interconnection host node 76 interconnects slave node 78, and foundation is interconnecting
The overlapping trees established between main-standby nodes, the shared node information of mutually shared Correspondent Node；Slave node 78 is interconnected, is also used to
It, will be from the Protection path in the first domain in the case that operating path in first domain breaks down and/or host node breaks down
The cross-domain service received is transmitted to interconnection host node by overlapping trees.
Preferably, host node 76 is interconnected, slave node 78 is interconnected, is also used in the case where overlapping trees break down, is led to
The Protection path for crossing overlapping trees shares shared node information, and the forward process to cross-domain service.
For when inter-connection links or node break down, cannot being solved by guard method in existing single domain in the related technology
The certainly protection problem of cross-domain service.In the present embodiment, mutually shared using information between interconnection main-standby nodes, it is each to realize
Independent protective on domain can be avoided the failure in a domain, causes other adjacent domains upper pathways and switches and bring operating aspect
Complexity.
Fig. 8 is the structural block diagram of the cross-domain service processing system according to the preferred embodiment of the invention, as shown in figure 8, should
System mainly comprises the following structure: path configuration module 82 (establish module 32 with above-mentioned first and/or second establish module 42),
Information sharing module 84, business forwarding module 86 (the two function is combined with above-mentioned processing module 34), protection switching module 88 are (same
The partial function of above-mentioned processing module 34), the system is illustrated below.
Path configuration module 82: the module is mainly used to shared link or tunnel between configuration interconnection main-standby nodes, and divides
It is the shared link or tunnel configuration one corresponding protection link or tunnel not on each domain；
Information sharing module 84: the module is present on the main-standby nodes of two domains interconnection, by the module, so that active and standby section
By the information such as link detecting state or distributed label, binding relationship between point, corresponding configuration status information mark is stamped, is passed through
Shared tunnel sends peer node, it is ensured that main-standby nodes both know about the pass of the binding between operating path identification and protection ID of trace route path
System, work and Protection path status information；
Business forwarding module 86: when detecting that operating path breaks down in domain, backup interlink node will be protected
Path receives business, is transmitted to host node by shared tunnel；
It protects switching module 88: when detecting failure on shared link or shared tunnel, protecting link according to configuring
Or the priority in tunnel, corresponding service, which is triggered, by its corresponding Protection path or tunnel is sent to corresponding node；
Fig. 9 is cross-domain trail protection structural schematic diagram according to an embodiment of the present invention, as shown in figure 9, for cross-domain network
For, it realizes the protection of cross-domain path or business, mainly includes following processing:
1, which configures Protection path in a corresponding domain in each domain top set path for cross-domain path, carries out service protection；And
For sharing tunnel or link between interconnection main-standby nodes, a protection path is respectively configured on two domains for sharing the link
Or link, and priority is protected to protecting link or tunnel to set on the two domains；
The interconnection main-standby nodes for connecting two domains are invented a node by 2, will on each node mark and status information,
Corresponding configuration status indicator is stamped, by internal shared link or tunnel between each other, is sent on peer node, realizes two
Information sharing on interlink node, including on a cross-domain path on a domain active finger path and corresponding Protection path guarantor
The splicing relationship in active finger path in shield relationship and two domains；
3 when cross-domain path top set path detection is to failure in a domain, then according to traditional 1:1 guard method, by it
Protection path in protected service switching to corresponding domain.It receives when interconnecting slave node on Protection path from Protection path transmission
After the service message to come over, after stamping business information mark, then the service message is pressed into this and is shared in tunnel, be transmitted to mutually
Join host node；
4 interconnection host nodes receive shared tunnel and forward service message, are identified, are known according to the business information above it
The message is not business information message, further according to the mark of Protection path packaged by service message, such as: label；By the business
Message is pressed into former operating path again and is transmitted；
5 detect the shared tunnel between it there are when failure, according to the institute on two adjacent domains when interconnection main-standby nodes
The state status and priority relationship of the protection path of configuration, the protection path for selecting one of priority high will be from two mutually
Information data is sent between interlink point；
6, when active finger path on a domain and shared tunnel break down simultaneously, still can first start in domain
1:1 linear protection mechanism on Protection path in service switching to its domain, will be transmitted to it and interconnect on backup node, then by altogether
Protection path corresponding to tunnel is enjoyed, which is pressed into corresponding protection path, sends interconnection master to
Node, continuation are forwarded according to former operating path；
7 when interconnecting host node failure, then node all detects the presence of active finger path on the adjacent domains of the interlink node
When failure, then two domains all starting protection handoff procedures；And for interconnection backup node, two are fed back according to host node
Protection path on this two domain is also spliced, realizes cross-domain protection by the splicing relationship in active finger path on domain；
By using above-mentioned processing, when inter-connection links or node break down, keep protection switching on each domain only
Vertical property and simplicity.
Invention preferred embodiment is illustrated with reference to the accompanying drawing.
Preferred embodiment 1: the protection of domain internal fault
Figure 10 is the domain internal fault protection structural schematic diagram of preferred embodiment 1 according to the present invention, as shown in Figure 10, including such as
Lower processing:
1 configures a Protection path (A-C) for individual path (A-B) cross-domain on domain 1, and for cross-domain point on domain 2
Branch path (D-B) configures a corresponding Protection path (D-C), and a shared tunnel is established between active and standby interlink node B and C
Or path, and corresponding protection path is established in domain 1 and domain 2 respectively for the shared tunnel or path, and such as: domain 1:C-A-B, domain 2:
C-D-B；
2 interconnection host node B identify the 1 cross-domain individual path (A-B) of domain configured thereon, the cross-domain branch spliced on domain 2
The information such as binding relationship between path (B-D) mark and the cross-domain individual path of the two are being pressed into shared tunnel after configuration is good
Before road, configuration information status indicator is stamped, is sent to backup node C；
3 is same, interconnects slave node C for the corresponding Protection path (A- of individual path (A-B) cross-domain on the domain 1 configured thereon
C) corresponding Protection path (D-C) mark of cross-domain individual path (D-B) is sent to main interlink node B on mark and domain 2；
4 by the information sharing between interconnection main-standby nodes B and C, to all learn in B and C node to cross-domain branch path
The mark and corresponding relationship of the corresponding Protection path of diameter；
5 when detecting failure on individual path (A-B) cross-domain on domain 1, then is switched by A node trigger protection, will be protected
The cross-domain service of shield is switched to Protection path (A-C), is transmitted on back-up interlink node C；
6 after backup interlink node C is received from the service message that Protection path (A-C) sends over, directly by the business
Message stamps corresponding business information mark, is encapsulated into the shared tunnel of interlink node B and C, is sent to main interlink node B；
7 send over service message when B is received from shared tunnel, are identified, are sentenced according to business information packaged thereon
It is disconnected go out this be service message, further according to the mark in packaging protection path, determine corresponding cross-domain individual path, then pass through adjacent domains
Cross-domain individual path (B-D) sends egress D on domain 2 on 2；
Preferred embodiment 2: interlink node failure
Figure 11 is the interlink node fail secure configuration schematic diagram of preferred embodiment 2 according to the present invention, as shown in figure 11, packet
Include following processing:
1 step 1,2,3,4 are equal to preferred embodiment 1；When interconnection host node B breaks down, two on domain 1 and domain 2
End node A and D detect cross-domain individual path (A-B) and (D-B) all has failure, directly switch its corresponding Protection path
(A-C) and on (D-C) it sends；
2 receive the fault message sended over from A or D Protection path as interconnection backup node C, while C is detected again
When it all has failure to the shared work and protection path interconnected between host node B, then saved according to this node cross-domain
Splice relationship between the cross-domain individual path of the corresponding Protection path relationship of individual path and two domains (A-B) and (B-D), it will
Protection path (A-C) and (C-D) are spliced on two domains；
3 when C node receives cross-domain service from its Protection path (A-C) or (D-C), directly passes through institute on another domain
The Protection path of splicing is sent；
Preferred embodiment 3: cross-domain individual path and shared tunnel simultaneous faults
Figure 12 is the structural representation of the cross-domain individual path and shared tunnel simultaneous faults of preferred embodiment 3 according to the present invention
Figure, as shown in figure 12, including is handled as follows:
1 step 1,2,3,4 are equal to preferred embodiment 1；When cross-domain individual path (A-B) and shared tunnel (B-C) are all deposited
In failure；First when A detect on domain 1 cross-domain individual path (A-B) there are when failure, then business on the cross-domain individual path
It is switched to its corresponding Protection path (A-C) to send, and sends pretection switch solicited message to opposite end C node；
2 receive the pretection switch solicited message that A node sends over when C node, it is determined that receive industry from Protection path
Business；Meanwhile also detecting that it shares tunnel there is also when failure between B node, C node is sent to the information of B, is also cut
Its corresponding protection path (C-D-B) is changed to, B node is sent to；In addition, protection switch request information occurs to B node；
3 after B node receives C node and sends over protection switch request, are switched on protection path (C-D-B) and connect
It receives C node and sends over service message；And B node receives after C node sends over service message, according to business information mark
Know, judges that this is service message, further according to the mark of Protection path on service message, judge the corresponding cross-domain branch of B node
The mark in path is switched to cross-domain individual path (B-D) transmission on domain 2 again.
Preferred embodiment 4
Figure 13 is the cross-domain service protection flow chart of preferred embodiment 4 according to the present invention, and as shown in figure 13, which includes
Following steps:
Step S1302 is configuration Protection path in cross-domain path top set path in each domain；
Step S1304 configures a corresponding Protection path for overlapping trees on each domain；
Step S1306 interconnects main-standby nodes by overlapping trees and carries out information sharing；
Step S1308 judges whether in the case where detecting that failure, judging result are no, enters step S1310, otherwise
Enter step S1312；
Step S1310, continues fault detection；
Step S1312 judges whether there is single domain path failure, when judging result, which is, is, enters step
Otherwise S1314 enters step S1316；
Step S1314 starts 1:1 protection in domain；
Step S1316 judges whether there is interlink node failure, in the case where the judgment result is yes, enters step
Otherwise S1318 enters step S1320；
Step S1318, two domains all start 1:1 protection；
Step S1320, cross-domain individual path and overlapping trees simultaneous faults start 1:1 protection and overlapping trees in single domain
Protection.
Obviously, those skilled in the art should be understood that each module of the above invention or each step can be with general
Computing device realize that they can be concentrated on a single computing device, or be distributed in multiple computing devices and formed
Network on, optionally, they can be realized with the program code that computing device can perform, it is thus possible to which they are stored
It is performed by computing device in the storage device, and in some cases, it can be to be different from shown in sequence execution herein
Out or description the step of, perhaps they are fabricated to each integrated circuit modules or by them multiple modules or
Step is fabricated to single integrated circuit module to realize.In this way, the present invention is not limited to any specific hardware and softwares to combine.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of cross-domain service processing method characterized by comprising
The shared road for the mutual shared node information between the interconnection main-standby nodes is established between cross-domain interconnection main-standby nodes
Diameter；
According to the shared node information that the overlapping trees established are shared between the interconnection main-standby nodes, and detect
Failure is forwarded processing to the cross-domain service, wherein according to the overlapping trees established in the interconnection main-standby nodes
Between the shared node information shared, and the failure detected, being forwarded processing to the cross-domain service includes following one:
In the case where working path failure in the first domain on cross-domain path, interconnection slave node will be from the guarantor in first domain
The cross-domain service received on road maintenance diameter is sent to interconnection host node by the overlapping trees, the interconnection host node according to
According to Protection path mark packaged in the cross-domain service and the binding relationship between operating path and Protection path, lead to
The operating path crossed in the second domain is forwarded processing to the cross-domain service；
In the case where operating path and the overlapping trees in the first domain on cross-domain path equal failure, interconnection slave node will
The cross-domain service received from the Protection path in first domain is sent by the Protection path of the overlapping trees
Interconnection host node is given, the interconnection host node is according to Protection path mark packaged in the cross-domain service and working ways
Binding relationship between diameter and Protection path is forwarded processing to the cross-domain service by the operating path in the second domain；
In the case where interconnecting host node failure, the interconnection slave node is according to the operating path and guarantor shared from interconnection host node
Binding relationship between road maintenance diameter spells the Protection path in first domain with the Protection path in second domain
It connects, the cross-domain service received from the Protection path in first domain is passed through into the Protection path in second domain
Processing is forwarded to the cross-domain service.
2. the method according to claim 1, wherein between the cross-domain interconnection main-standby nodes establish for
Between the interconnection main-standby nodes after the overlapping trees of mutual shared node information, further includes:
The corresponding Protection path in each domain is established for the overlapping trees, wherein the Protection path is on the shared road
The function of the overlapping trees is executed when diameter breaks down.
3. according to the method described in claim 2, it is characterized in that, corresponding in each domain being established for the overlapping trees
After the Protection path, further includes:
The overlapping trees are preferentially executed when the overlapping trees break down to Protection path corresponding in each domain determination
Function priority, determine the Protection path for executing the function of the overlapping trees according to the priority.
4. a kind of cross-domain service processing unit characterized by comprising
First establishes module, for being established between cross-domain interconnection main-standby nodes for mutually shared between the interconnection main-standby nodes
The overlapping trees of nodal information；
Processing module, the shared node letter for being shared between the interconnection main-standby nodes according to the overlapping trees established
Breath, and the failure detected, are forwarded processing to the cross-domain service, the processing module includes following one:
First processing units, in the case where working path failure on path cross-domain in the first domain, interconnection slave node will
The cross-domain service received from the Protection path in first domain is sent to the main section of interconnection by the overlapping trees
Point, the interconnection host node is according to Protection path mark packaged in the cross-domain service and operating path and protection road
Binding relationship between diameter is forwarded processing to the cross-domain service by the operating path in the second domain；
The second processing unit, the feelings of operating path and the equal failure of the overlapping trees on path cross-domain in the first domain
Under condition, the cross-domain service received from the Protection path in first domain is passed through the shared road by interconnection slave node
The Protection path of diameter is sent to interconnection host node, and the interconnection host node is according to Protection path packaged in the cross-domain service
Mark and the binding relationship between operating path and Protection path, by the operating path in the second domain to the cross-domain industry
Business is forwarded processing；
Third processing unit, in the case where interconnect host node failure, the interconnection slave node foundation is from interconnecting host node
Binding relationship between shared operating path and Protection path, will be in the Protection path and second domain in first domain
Protection path spliced, the cross-domain service received from the Protection path in first domain is passed through described the
Protection path in two domains is forwarded processing to the cross-domain service.
5. device according to claim 4, which is characterized in that further include:
Second establishes module, for establishing the corresponding Protection path in each domain for the overlapping trees, wherein the protection
Path executes the function of the overlapping trees when the overlapping trees break down.
6. device according to claim 5, which is characterized in that further include:
Determining module is preferentially executed for determining to Protection path corresponding in each domain when the overlapping trees break down
The priority of the function of the overlapping trees determines the protection for executing the function of the overlapping trees according to the priority
Path.
7. a kind of cross-domain service processing system characterized by comprising one or more first domains, one or more second domains,
One or more of first domains and one or more of second domains pass through interconnection main-standby nodes interconnection, wherein
The interconnection main-standby nodes, according to the overlapping trees established between the interconnection main-standby nodes, mutually shared Correspondent Node
Shared node information；
The interconnection slave node, is also used to that the operating path in first domain breaks down and/or host node breaks down
In the case where, the cross-domain service received from the Protection path in first domain is transmitted to by the overlapping trees
The interconnection host node.
8. system according to claim 7, which is characterized in that the interconnection main-standby nodes are also used on the shared road
In the case that diameter breaks down, the shared node information is shared by the Protection path of the overlapping trees, and to described
The forward process of cross-domain service.
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| CN201410397808.8A CN105337856B (en) | 2014-08-13 | 2014-08-13 | Cross-domain service processing method, apparatus and system |
| PCT/CN2014/089088 WO2015154423A1 (en) | 2014-08-13 | 2014-10-21 | Cross-domain service processing method, apparatus and system |
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| CN107465527B (en) * | 2016-06-02 | 2020-04-28 | 中兴通讯股份有限公司 | Network element, protection switching method and system thereof |
| CN107592251A (en) * | 2016-07-08 | 2018-01-16 | 中兴通讯股份有限公司 | The method of shared ring transannular networking structure and transannular Business Stream forwarding |
| CN109788018B (en) * | 2017-11-15 | 2021-08-06 | 中国移动通信有限公司研究院 | Cross-domain service intercommunication method, network equipment and storage medium |
| CN108762946B (en) * | 2018-05-16 | 2020-09-11 | 福建天泉教育科技有限公司 | Cross-domain web end communication method and terminal |
| CN112737947B (en) * | 2020-12-29 | 2022-08-30 | 优刻得科技股份有限公司 | Virtual network cross-domain transmission method, system, equipment and medium based on MPLS |
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| US7515529B2 (en) * | 2004-12-14 | 2009-04-07 | Cisco Technology, Inc. | Efficient mechanism for fast recovery in case of border router node failure in a computer network |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1976313A (en) * | 2006-09-19 | 2007-06-06 | 中国人民解放军国防科学技术大学 | High performance router routing protocol distribution parallel realizing method |
| CN101170578A (en) * | 2007-11-30 | 2008-04-30 | 北京理工大学 | Hierarchical peer-to-peer network structure and constructing method based on syntax similarity |
| CN102571401A (en) * | 2010-12-24 | 2012-07-11 | 华为技术有限公司 | Method and device for building backup path and method and device for selecting backup path |
| CN102740175A (en) * | 2012-06-12 | 2012-10-17 | 烽火通信科技股份有限公司 | Method for protecting and recovering cross-domain end-to-end label switched path |
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