CN104539445A

CN104539445A - Method and device for managing service resources

Info

Publication number: CN104539445A
Application number: CN201410719810.2A
Authority: CN
Inventors: 李方超; 陈明刚
Original assignee: Beijing Baidu Netcom Science and Technology Co Ltd
Current assignee: Beijing Baidu Netcom Science and Technology Co Ltd
Priority date: 2014-12-01
Filing date: 2014-12-01
Publication date: 2015-04-22
Anticipated expiration: 2034-12-01
Also published as: CN104539445B

Abstract

The invention aims to provide a method and a device for acquiring service resources. The method according to the invention comprises the following steps: acquiring service request information, wherein the service request information comprises path indicating information to indicate a path needing to be acquired; and performing screening from a service configuration table comprising one or more items of service resource information based on the service request information to acquire at least one item of service resource information satisfying the service request information, wherein the service resource information comprises service path information for completing a transmission service; and the service path information comprises IP (Internet Protocol) layer equipment and/or optical layer equipment.

Description

A kind of method and apparatus for management service resource

Technical field

The present invention relates to field of computer technology, particularly relate to a kind of method and apparatus for management service resource.

Background technology

In prior art, along with the development of large data and cloud computing, in order to reach higher message transmission rate and larger bandwidth, increasing transmission system adopts and is contained in optical transport network (Optical Transport Network, OTN) light layer devices carries the transfer of data between Internet data center (Internet Data Center, IDC).Fig. 1 illustrates according to one of prior art exemplary network transmission system, and with reference to Fig. 1, this network system comprises 3 Internet data center IDC1 to IDC3, and, carry out transfer of data by the equipment of OTN between them.

But, based on the scheme of prior art, generally only light layer devices is planned, and IP layer equipment cannot be worked in coordination with carry out unified MRP and deployment.Further, based on the mode of prior art, the operation maintenance personnel of IDC cannot learn that network failure produces due to the equipment in light layer devices or IDC, may increase unnecessary investigation work.

Summary of the invention

The object of this invention is to provide a kind of method for management service resource, wherein, said method comprising the steps of:

-obtain service requesting information, wherein, described service requesting information comprises path indication information, to indicate the path needing to obtain;

-based on described service requesting information, screen in the service allocation list comprising one or more service resources information, to obtain at least one the service resources information meeting described service requesting information, wherein, described service resources packets of information is containing the service path information for completing transport service, wherein, IP layer equipment and/or light layer devices is comprised in described service path information.

According to an aspect of the present invention, additionally provide a kind of resource management apparatus for obtaining service resources, wherein, described resource management apparatus comprises:

For obtaining the device of service requesting information, wherein, described service requesting information comprises path indication information, to indicate the path needing to obtain;

For based on described service requesting information, screen in the service allocation list comprising one or more service resources information, to obtain the device meeting at least one service resources information of described service requesting information, wherein, described service resources packets of information is containing the service path information for completing transport service, wherein, IP layer equipment and/or light layer devices is comprised in described service path information.

Compared with prior art, the present invention has the following advantages: according to office's the solution of the present invention, can carry out unified MRP, facilitate user to plan related service to IP layer equipment and light layer devices; Further, according to the solution of the present invention, the ownership layer of network failure can be determined, improve the efficiency of malfunction elimination work.

Accompanying drawing explanation

By reading the detailed description done non-limiting example done with reference to the following drawings, other features, objects and advantages of the present invention will become more obvious:

Fig. 1 illustrates according to one of prior art exemplary network transmission system;

Fig. 2 illustrates according to a kind of method flow diagram for obtaining service resources of the present invention;

Fig. 3 illustrates the structural representation according to a kind of resource management apparatus for obtaining service resources of the present invention;

Fig. 4 illustrates according to an exemplary service transmission path of the present invention.

In accompanying drawing, same or analogous Reference numeral represents same or analogous parts.

Embodiment

Below in conjunction with accompanying drawing, the present invention is described in further detail.

Fig. 1 illustrates according to a kind of method flow diagram for obtaining service resources of the present invention.Method according to the present invention comprises step S1 and step S2.

Wherein, method according to the present invention is realized by the resource management apparatus be contained in the network equipment.The described network equipment includes but not limited to the server group that single network server, multiple webserver form or the cloud be made up of a large amount of main frame or the webserver based on cloud computing (Cloud Computing), wherein, cloud computing is the one of Distributed Calculation, the super virtual machine be made up of a group loosely-coupled computer collection.

Preferably, the network equipment according to the present invention obtains relevant information from IP layer equipment and/or light layer devices by predetermined interface.

More preferably, according to resource management apparatus of the present invention by Common Object Request Broker Architecture (Common Object Request Broker Architecture, or Simple Network Management Protocol (Simple Network Management Protocol CORBA), SNMP) northbound interface in interface and described current network is interconnected, obtains the device configuration information of each light layer devices in current network.

Wherein, described IP layer equipment comprises such as switch, modulator-demodulator, router etc. and can be contained in the equipment of network layer.

Wherein, described light layer devices comprises such as optical modem, fiber optical transceiver, optical switch, optical transmission device, dense wavelength division system equipment, optical transport network (Optical TransportNetwork, OTN) equipment, SDH (Synchronous Digital Hierarchy) (Synchronous Digital Hierarchy, SDH) equipment, multi-service transport platform (Multi-Service Transfer Platform, MSTP) equipment, Packet Transport Network (Packet Transport Network, PTN) equipment etc. can be contained in the equipment of photosphere.

Wherein, the described network equipment, IP layer equipment, network residing for light layer devices include but not limited to the Internet, wide area network, metropolitan area network, local area network (LAN), VPN etc.

It should be noted that; the described network equipment, IP layer equipment, light layer devices and network are only citing; other network equipment that is existing or that may occur from now on, IP layer equipment, light layer devices and networks are as being applicable to the present invention; also within scope should being included in, and this is contained in way of reference.

With reference to Fig. 1, in step sl, resource management apparatus obtains service requesting information.

Wherein, described service requesting information comprises path indication information, to indicate the path needing to obtain.Preferably, this path indication information includes but not limited to be used to indicate the starting point in path and the information of terminal that need to obtain.Preferably, described path indication information also can comprise the quantity of the service path that needs obtain.

Preferably, described service requesting information also can comprise attribute indication information, and this attribute indication information is used to indicate the path attribute corresponding to path needing to obtain.Such as, attribute indication information can comprise the attribute requirements information such as required service rate, service protection grade, business propagation delay time.

More preferably, described path indication information also can comprise following at least any one:

1) nodal information of process is needed; Such as, path indication information indicates required path to need through IP layer device IP _ 1 photoreactive layer equipment OPN_1.

2) nodal information evaded is needed.Such as, path indication information indicates required path to need to evade light layer devices OPN_2;

3) port information etc. of the one or more nodes comprised in path.Such as, starting point node is indicated to adopt which port and other equipment to carry out interconnected indication information etc.

According to the first example of the present invention, resource management apparatus is contained in the management system providing MRP to serve, when inputting it in the user interface of user in system and needing the service path opened: the service path needing to open 2 slave site Node_1 to website Node_2; The service rate of demand is greater than 1Tbps, and resource management apparatus obtains the service request corresponding with the information that this user inputs in step sl, and this service requesting information comprises path indication information: starting point Node_1; Point of destination Node_2; Requested service number of paths " 2 ", and the attribute indication information of correspondence: service rate requires 1Tbps.

Then, in step s 2, resource management apparatus, based on described service requesting information, screens in the service allocation list comprising one or more service resources information, to obtain at least one the service resources information meeting described service requesting information.

Wherein, described service resources packets of information, containing the service path information for completing transport service, comprises IP layer equipment and/or light layer devices in described service path information.

Preferably, described service path packets of information is containing the respective identification information of each IP device photoreactive layer equipment completing its approach needed for corresponding business and port information thereof.

According to the second example of the present invention, a service resources information from IDC machine room pos1 to IDC machine room pos2, its IP device pos1_IP1 photoreactive layer equipment pos1_OP1 in IDC machine room pos1, arrive the light layer devices pos2_OP2 in IDC machine room pos2, and and then transfer to IP device pos2_IP2, then the service path information Line_1 in its corresponding service resources information is as follows:

IDC machine room pos2 → IP device pos1_IP1 and port information → light layer devices pos1_OP1 thereof and port information → light layer devices pos2_OP2 and port information → IP device pos2_IP2 thereof and port information → IDC machine room pos1 thereof.

Preferably, this service path information can comprise each IP layer equipment and light layer devices of this business institute approach.

Such as, if the business of foregoing second example also needs light layer devices OP3 and OP4 between IDC machine room pos1 and IDC machine room pos2, then its corresponding service path information Line_1 is as follows:

IDC machine room pos2 → IP device pos1_IP1 and port information → light layer devices pos1_OP1 thereof and port information → light layer devices pos1_OP3 and port information → light layer devices pos1_OP4 and port information → light layer devices pos2_OP2 and port information → IP device pos2_IP2 thereof and port information → IDC machine room pos1 thereof.

Preferably, described service resources information also can comprise the business attribute information corresponding with service path information.

Wherein, described business attribute information is used to indicate at least one attribute information of a service path, and preferably, described business attribute information includes but not limited to following at least any one:

1) service rate information; Service rate information is used to indicate this service circuit speed, and preferably, what service rate information comprised this service circuit opens speed.

2) activation of service state information; This activation of service state information is used to indicate whether each equipment in service path is current has service bearer.Preferably, activation of service state information can comprise " activation " and " un-activation ", and wherein, " activation " indicates that this equipment is current service bearer, and " un-activation " indicates this equipment current without service bearer, can be used for carrying other business.

Such as, for the port of an equipment, when its port status is " up ", corresponding activation of service state information is for activating, otherwise when its port status is " down ", its corresponding activation of service state information is un-activation.

3) service protection pattern; This service protection pattern is used to indicate current pattern of service path being carried out to protect.

Preferably, service protection pattern includes but not limited to any one protected mode following:

I) SNCP (Sub-network Connection Protection, SNCP);

Ii) route protection;

Iii unprotect etc.

Wherein, those skilled in the art should understand, and service protection pattern is not limited with aforementioned cited three kinds, and any current this area uses, and the various protected modes that may use future all can be contained in this service protection pattern.

4) business-level information; This business-level information comprises the various reference information that can be used for determining the significance level of business.Such as; can be 4 business-levels by the delineation of activities in network: diamond, gold medal, silver medal and bronze medal, thus carry out traffic grooming or service protection according to the order of diamond > gold medal > silver medal > bronze medal.

5) business delivery quality information; This business delivery quality information comprises the various information that can be used for indicating the transmission quality situation of corresponding service path.

Preferably, described business delivery quality information includes but not limited to following at least any one:

I) error rate (Bit Error Rate, BER) information;

Ii) circuit Delay;

Iii) service path across segment number information etc.

Preferably, described business attribute information also can comprise weight additional information.

Wherein, described weight additional information comprises the weight information of this business route that the every business attribute information based on business route is determined.

Preferably, described weight additional information comprises based on weight information determined every in delivery quality information.Such as, the weight accessory information of service circuit can be determined: the error rate, circuit Delay, to successively decrease successively across the weighted score of segment number information three based on following rule, successively decrease successively to indicate its priority, and, when considering the error rate, the weighted score without the error rate is greater than the weighted score etc. that there is the error rate.

Continue to be described based on aforementioned second case; if the business attribute information of aforementioned service path information Line comprises: activation of service state " activates "; service protection pattern " SNCP "; service rate " 5Tbps "; business-level " gold medal "; delivery quality attribute " 88 ", then the service resources information that this service path information Line_1 is corresponding is as follows:

IDC machine room pos2 → IP device pos1_IP1 and port information → light layer devices pos1_OP1 thereof and port information → light layer devices pos1_OP3 and port information → light layer devices pos1_OP4 and port information → light layer devices pos2_OP2 and port information → IP device pos2_IP2 thereof and port information → IDC machine room pos1 → activation of service state thereof " activate " → service protection pattern " SNCP " → service rate " 5Tbps " → business-level " gold medal " → delivery quality attribute " error rate 0.23 ‰ ".

Particularly, resource management apparatus is based on described service requesting information, screen in the service allocation list comprising one or more service resources information, with the mode obtaining at least one the service resources information meeting described service requesting information include but not limited to following any one:

1) when described service resources information comprises service path information, resource management apparatus, based on described path indication information, filters out the one or more candidate Traffic resource information that service path information meets this path indication information in described service allocation list.

Such as, when the path indication information obtained comprises the nodal information that start point information, endpoint information and needs evade, resource management apparatus, based on this path indication information, filters out wherein corresponding with the starting point indicated by this path indication information and terminal and without the service path information needing the node evaded in the multinomial service path information from the service allocation list that self stores.

2) when described service resources information also comprises the business attribute information corresponding with described service path information, and when described service requesting information also comprises the attribute indication information being used to indicate the path attribute corresponding to path that needs obtain, resource management apparatus is based on described path indication information, the one or more candidate Traffic resource information that service path information meets this path indication information is filtered out in described service allocation list, and based on described attribute indication information, in described one or more candidate Traffic resource information, business attribute information is selected to meet at least one service resources information of described attribute indication information.

Preferably, process in accordance with the present invention S2 comprises step S21 (not shown) further.

In the step s 21, resource management apparatus also based on predetermined screening rule, in conjunction with described service requesting information, can screen in the service allocation list comprising one or more service resources information.

Wherein, described screening rule comprises and determining based on the device configuration information of service path and/or business attribute information.Such as, screening rule " can select the routing information of the port of selected least number of times " at every turn; Or screening rule can comprise: " each routing information selecting transport of instruction information optimum " etc.

Such as, the service requesting information that resource management apparatus obtains in step sl " opening four service paths between IP device dev_1 to IP device dev_2 ", wherein, the board of port11 to port14 totally 4 available ports is comprised in dev_1, dev_2 comprises the board of port21 and port22 two available ports, predetermined screening rule comprises " each routing information selecting the port of selected least number of times ", the service path information of each possibility port combination in dev_1 to dev_2 is contained in current service allocation list, then resource management apparatus is based on screening rule, finally determine that the port information of 4 routes is as follows:

The port port21 of the port port11 → equipment dev_21 of equipment dev_1;

The port port22 of the port port12 → equipment dev_21 of equipment dev_1;

The port port21 of the port port13 → equipment dev_21 of equipment dev_1;

The port port22 of the port port14 → equipment dev_21 of equipment dev_1.

Wherein, those skilled in the art will be understood that the said equipment, board and port etc. are only in order to the simple example that screening rule does is described, and do not represent any restriction to actual screening process.

More preferably, the priority that described screening rule comprises based on each service resources information is screened, and the method according to aforementioned preferred version also comprises step S3 (not shown), and described step S21 also comprises step S211 (not shown).

In step s3, resource management apparatus determines the weight additional information of each service resources information according to the business attribute information of each service resources information in described at least one service resources information.

Particularly, resource management apparatus is according to the business attribute information of each service resources information in described at least one service resources information, really establish rules based on predetermined weight additional information, determine the weight additional information of each service resources information, with so that determine that it is by the priority selected.

Preferably, resource management apparatus based on the business delivery quality information in business attribute information and/or service protection pattern, can determine the priority of each service resources information.

Such as, delivery quality information comprise the error rate (BER) information, circuit Delay and service path across segment number information, weight additional information is established rules really, comprises weighted score and is followed successively by from high to low: the error rate, circuit Delay, across segment number information.Then in step s3, first determine the priority of each service resources information according to the error rate of each service resources information, the service resources information weighted score that wherein error rate is lower is higher, and the service resources information score without the error rate is the highest.Then, identical or the multiple service resources information of gap in allowed band for the error rate, calculate its respective circuit Delay again, and determine that the service resources information weighted score that time delay is less is higher, then, identical or the multiple service resources information of gap in allowed band for time delay, continue to calculate it across segment number information, and determine that the service resources information weighted score across hop count is fewer is higher.

Then, in step S211, resource management apparatus is based on described service requesting information, and according to the weight additional information of each service resources information, screen in the service allocation list comprising one or more service resources information, to obtain at least one the service resources information meeting described service requesting information.

Particularly, resource management apparatus is based on described service requesting information, carry out screening to obtain multiple service resources information meeting it and require in service allocation list, and according to the weight additional information of each service resources information, such as, according to weighted score principle from high to low, from the multiple service resources information selected, select the service resources information of predetermined number.

Preferably, when the weight additional information of each service resources information is identical, select by modes such as such as random functions.

Continue to be described foregoing First example, resource management apparatus is based on the path indication information obtained in step sl: starting point Node_1; Point of destination Node_2, filter out in the service allocation list that self stores 20 meet this path indication information, starting point is Node_1 and point of destination is the candidate Traffic path of Node_2, then based on attribute indication information: service rate requires 1Tbps, selects service rate to be greater than 8 service paths of 1Tbps in these 20 candidate Traffic paths.Further, resource management apparatus is based on these 8 service paths precedence information separately determined in step s3, and front 2 service paths selecting its medium priority the highest feed back to this user.

According to a preferred embodiment of the present invention, when resource management apparatus cannot obtain the service resources information corresponding with described service requesting information from described service allocation list, method according to the present invention also comprises step S4, and described step S1 comprises step S101.

In step s 4 which, when obtaining the service resources information corresponding with described service requesting information from described service allocation list, resource management apparatus feedback is for the renewal information of described service requesting information.

Wherein, described renewal information cannot obtain for pointing out user the available resources meeting its service request.

Preferably, this renewal information also can comprise the advisory information for pointing out user to revise service path information or business attribute information.Such as, suggestion user reduces required service rate, or the starting point of change service path or terminal etc.

Then, in step S101, resource management apparatus receives that obtain based on described renewal information, new service requesting information, and continues to perform step S2 to obtain the service resources information meeting this new service requesting information based on the service requesting information of this information.

Such as, resource management apparatus receives service requesting information in step sl: starting point Node_3; Point of destination Node_4; Service rate requires 5Tbps, and determines in step s 2 from service allocation list, to obtain the service resources information corresponding with this service requesting information.Then resource management apparatus feeds back the renewal information for obtained service requesting information in step s 4 which.When user re-enters new solicited message based on this renewal information: starting point Node_3; Point of destination Node_4; During service rate requirement 4Tbps, resource management apparatus receives this new service requesting information in step S101, and then in step s 2 based on this new service requesting information, screen, to obtain at least one the service resources information meeting this new service requesting information in the service allocation list that self stores.

Preferably, when the service resources information corresponding with described new service requesting information still cannot be obtained from described service allocation list, resource management apparatus repeats above-mentioned steps S4 and step S101, until resource management apparatus gets at least one service resources information of satisfied accepted new service requesting information in step s 2; Or, fail to obtain new service requesting information to resource management apparatus.

Preferably, according to method of the present invention by performing step S5 (not shown), step S6 (not shown) and step S7 (not shown), described service allocation list is generated.

In step s 5, resource management apparatus obtains the device configuration information of each IP layer equipment and each light layer devices in current network respectively.

Preferably, the device configuration information of described IP layer equipment includes but not limited to following at least any one:

1) hardware information; Such as, this hardware information can comprise the slot number that equipment comprises, the type information of the board that each slot is installed, each board can port number and port information, the accessible rate information of each port, op-tical power information etc.

2) service configuration information; Such as, transfer the routing configuration information etc. of the IP layer of display by instructions such as such as show configuration, show runconfiguration, again such as, expense (cost) information etc. of each IP device port.

3) equipment alarm information; Equipment alarm information comprises the information for feedback device abnormal conditions, such as, and the abnormal informations such as temperature anomaly or CPU usage exception.

Preferably, the device configuration information of described light layer devices includes but not limited to following at least any one:

1) hardware information; The hardware information of the content that this hardware information can comprise and above-mentioned IP layer equipment is same or similar, does not repeat them here.

2) service configuration information; Such as, cross-connection information, port use information etc. in matrix.

3) equipment alarm information; Such as, light signal loses alarm (Loss Of Signal, LOS) etc.

Wherein, those skilled in the art will be understood that, IP layer equipment can adopt different forms to embody from the device configuration information of light layer devices respectively, such as, the equipment alarm information of IP layer equipment can adopt failure code, fault abbreviation etc. to realize, and the equipment alarm information of light layer devices can adopt such as LOS warning information etc. to realize.

Wherein, resource management apparatus is connected by each equipment such as switch, router of the internal management network for managing each IP device and IP layer, and, resource management apparatus by transmission network, for managing the northbound interface of the network management system of each light layer devices, be connected with each light layer devices in transmission network.

Preferably, resource management apparatus, by such as aforementioned corba interface and/or SNMP interface, is connected with the northbound interface of the transmission network in current network, to obtain the device configuration information of each light layer devices in this transmission network.

Then, in step s 6, the device configuration information of resource management apparatus to each IP layer equipment obtained and each light layer devices is normalized.

Particularly, the device configuration information of each IP layer equipment obtained and each light layer devices transforms according to standard uniformly by resource management apparatus, thus is represented with unified form by the device configuration information of the multiple equipment from different manufacturers.

Such as, be both the port with IP layer equipment connection in OTN equipment, be expressed as LTX client's mouth in the OTN equipment of Huawei, and be expressed as Client port in the OTN equipment of Alcatel Lucent.Then above-mentioned LTX client's mouth and Client port can be normalized by resource management apparatus, and unification Client port represents the port with IP layer equipment connection in OTN equipment.

Again such as, for the warning information of IP layer equipment and light layer devices disconnecting, in the equipment of Huawei, this kind of warning information R_LOS represents, and this kind of warning information LANLOS represents in the equipment of Alcatel Lucent.Then the representation of above-mentioned R_LOS warning information and LANLOS warning information can be normalized by resource management apparatus, the unified warning information representing IP layer equipment and light layer devices disconnecting with " client side port is abnormal ".

Then, in the step s 7, the device configuration information of resource management apparatus based on each equipment after normalized and the transmission list item of described current network, determine one or more service resources information, to generate the service allocation list comprising this one or more service resources information.

Particularly, resource management apparatus obtains each IP layer equipment and each light layer devices both sides port information from device configuration information, and carries out coupling according to described transmission list item and gather, to obtain one or more service path information.

Preferably, resource management apparatus also can according to the device configuration information of each equipment in described routing information, determines this business attribute information corresponding to service path information.

According to a preferred embodiment of the invention, described method also comprises step S8 (not shown) and step S9 (not shown).

In step s 8, resource management apparatus receives the warning information from one or more equipment, and wherein, described one or more equipment can comprise IP layer equipment and/or light layer devices.

Then, in step s 9, the warning information of each equipment in described one or more equipment, in conjunction with described service allocation list, associates by resource management apparatus, to determine that the network failure corresponding with described one or more warning information is IP layer fault or photosphere fault.

Preferably, resource management apparatus, according to the warning information of each equipment after each IP layer equipment of acquisition and/or the port status information of light layer devices and association, determines that the network failure corresponding with described one or more warning information is IP layer fault or photosphere fault.

According to the second example of the present invention, with reference to the exemplary service path shown in Fig. 4, this service path comprises 2 IP device R1 and R2, and 2 transmission equipment A as light layer devices and transmission equipment B.Wherein, the L1 port of transmission equipment A is connected by trunk fiber with the L2 port of transmission equipment B, and the port e1/1 of R1 is connected with the C1 mouth of transmission equipment 1 by customer side tail optical fiber, and the e2/1 port of R2 is connected with the C2 port of transmission equipment B by customer side tail optical fiber.The state of each equipment that resource management apparatus receives in step s 8 is as follows:

Transmission equipment A:L1 mouth does not receive light, and L1 mouth has LOS warning information, the normal and no alarm information of C1 mouth transmitting-receiving light;

Transmission equipment B:L2 mouth does not receive light, and L2 mouth has LOS warning information, the normal and no alarm information of C2 mouth transmitting-receiving light;

IP device R1:e1/1 mouth state is down, and transmitting-receiving light is normal;

IP device R2:e2/1 mouth state is down, and transmitting-receiving light is normal.

Then resource management apparatus is in conjunction with the service path information corresponding to this several equipment, is judged as breaking down between transmission equipment A and B, so that this judged result is presented to user.

Continue to be described foregoing second example, when the state of R1 and R2 sends change, the new state of each equipment that resource management apparatus receives in step s 8 is as follows:

Transmission equipment A:C1 mouth does not receive light, and C1 mouth has LOS warning information, the normal and no alarm information of L1 mouth transmitting-receiving light;

Transmission equipment B:C2 mouth does not receive light, and L2 mouth has Remote_LOS warning information, the normal and no alarm information of L2 mouth transmitting-receiving light;

IP device R1:e1/1 mouth state is down, and transmitting-receiving light is abnormal, readable go out luminous power;

Then resource management apparatus is in conjunction with the service path information corresponding to this several equipment, breaks down, and is the tail optical fiber fault between R1 and transmission equipment C1, so that this judged result is presented to user between the e1/1 port judging transmission equipment A and R1.

Preferably, step S10 (not shown) is also comprised according to the method for this preferred embodiment.

In step S10, when determining that the network failure corresponding with described one or more warning information is photosphere fault, resource management apparatus, according to the port status information of described one or more warning information and each IP device, determines that this network failure be optical fiber link fault is still light layer devices fault further.

Particularly, resource management apparatus, based on the type indication information in warning information, determines that this network failure is that optical fiber link fault is still for light layer devices fault further.Such as, when to receive the type such as such as net card failure (card failure) from light layer devices be the warning information of hardware fault, resource management apparatus can judge that network failure is light layer devices fault.

Preferably, described service resources information also comprises the business attribute information corresponding with described service path information, described business attribute information comprises delivery quality information, also comprises step S11 (not shown) and step S12 (not shown) according to the method for this preferred embodiment.

In step s 11, resource management apparatus determines the service path information corresponding with the warning information of described one or more equipment.

Then, in step s 12, resource management apparatus, according to the warning information of described one or more equipment, upgrades the delivery quality information corresponding with this service path information.

Such as, by numeric representation delivery quality information, numerical value larger expression delivery quality is higher, and the highest delivery quality value that service path can have is 100, for determining that the rule of delivery quality information comprises: receive LOS warning information, then the delivery quality value in corresponding service path is subtracted 1; Receive hardware alarm information, then the delivery quality value in corresponding service path is subtracted 2.When receiving a LOS warning information, resource management apparatus determines the service path information route_1 corresponding with this LOS warning information in step s 11, and according to predetermined rule, this service path information route_1 delivery quality value is updated to 97 by original 98.

According to office's method of the present invention, unified MRP can be carried out to IP layer equipment and light layer devices, facilitate user to plan related service; Further, according to method of the present invention, the ownership layer of network failure can be determined, improve the efficiency of malfunction elimination work.

Fig. 3 illustrates the structural representation according to a kind of resource management apparatus for obtaining service resources of the present invention.Resource management apparatus according to the present invention comprises the device (hereinafter referred to as " acquisition device 1 ") for obtaining service requesting information; For based on described service requesting information, screen in the service allocation list comprising one or more service resources information, to obtain the device (hereinafter referred to as " screening plant 2 ") of at least one the service resources information meeting described service requesting information.

Acquisition device 1 obtains service requesting information.

According to the first example of the present invention, resource management apparatus is contained in the management system providing MRP to serve, when inputting it in the user interface of user in system and needing the service path opened: the service path needing to open 2 slave site Node_1 to website Node_2; The service rate of demand is greater than 1Tbps, and acquisition device 1 obtains the service request corresponding with the information that this user inputs, and this service requesting information comprises path indication information: starting point Node_1; Point of destination Node_2; Requested service number of paths " 2 ", and the attribute indication information of correspondence: service rate requires 1Tbps.

Then, screening plant 2, based on described service requesting information, screens in the service allocation list comprising one or more service resources information, to obtain at least one the service resources information meeting described service requesting information.

I) SNCP (Sub-network Connection Protection, SNCP);

Ii) route protection;

Iii unprotect etc.

I) error rate (Bit Error Rate, BER) information;

Ii) circuit Delay;

Iii) service path across segment number information etc.

Particularly, screening plant 2 is based on described service requesting information, screen in the service allocation list comprising one or more service resources information, with the mode obtaining at least one the service resources information meeting described service requesting information include but not limited to following any one:

Preferably, process in accordance with the present invention screening plant 2 comprises for based on predetermined screening rule further, in conjunction with described service requesting information, the device (figure does not show, hereinafter referred to as " sub-screening plant ") screened is carried out in the service allocation list comprising one or more service resources information.

Sub-screening plant, based on predetermined screening rule, in conjunction with described service requesting information, screens in the service allocation list comprising one or more service resources information.

Such as, the service requesting information that acquisition device 1 obtains " opening four service paths between IP device dev_1 to IP device dev_2 ", wherein, the board of port11 to port14 totally 4 available ports is comprised in dev_1, dev_2 comprises the board of port21 and port22 two available ports, predetermined screening rule comprises " each routing information selecting the port of selected least number of times ", the service path information of each possibility port combination in dev_1 to dev_2 is contained in current service allocation list, then sub-screening plant is based on screening rule, finally determine that the port information of 4 routes is as follows:

The port port21 of the port port11 → equipment dev_21 of equipment dev_1;

The port port22 of the port port12 → equipment dev_21 of equipment dev_1;

The port port21 of the port port13 → equipment dev_21 of equipment dev_1;

The port port22 of the port port14 → equipment dev_21 of equipment dev_1.

More preferably, the priority that described screening rule comprises based on each service resources information is screened, (scheme not show according to the device that the resource management apparatus of aforementioned preferred version also comprises for determining the weight additional information of each service resources information according to the business attribute information of each service resources information in described at least one service resources information, hereinafter referred to as " weight determining device "), described sub-screening plant also comprises for based on described service requesting information, and according to the weight additional information of each service resources information, screen in the service allocation list comprising one or more service resources information, to obtain the device meeting at least one service resources information of described service requesting information, (figure does not show, hereinafter referred to as " weight screening plant ").

Weight determining device determines the priority of each service resources information according to the business attribute information of each service resources information in described at least one service resources information.

Particularly, weight determining device is according to the business attribute information of each service resources information in described at least one service resources information, really establish rules based on predetermined weight additional information, determine the weight additional information of each service resources information, with so that determine that it is by the priority selected.

Such as, delivery quality information comprise the error rate (BER) information, circuit Delay and service path across segment number information, weight additional information is established rules really, comprises weighted score and is followed successively by from high to low: the error rate, circuit Delay, across segment number information.Then weight determining device first determines the priority of each service resources information according to the error rate of each service resources information, and the service resources information weighted score that wherein error rate is lower is higher, and the service resources information score without the error rate is the highest.Then, identical or the multiple service resources information of gap in allowed band for the error rate, calculate its respective circuit Delay again, and determine that the service resources information weighted score that time delay is less is higher, then, identical or the multiple service resources information of gap in allowed band for time delay, continue to calculate it across segment number information, and determine that the service resources information weighted score across hop count is fewer is higher.

Then, weight screening plant is based on described service requesting information, and according to the weight additional information of each service resources information, screen in the service allocation list comprising one or more service resources information, to obtain at least one the service resources information meeting described service requesting information.

Particularly, weight screening plant is based on described service requesting information, carry out screening to obtain multiple service resources information meeting it and require in service allocation list, and according to the weight additional information of each service resources information, such as, according to weighted score principle from high to low, from the multiple service resources information selected, select the service resources information of predetermined number.

Continue to be described foregoing First example, the path indication information that screening plant 2 obtains based on acquisition device 1: starting point Node_1; Point of destination Node_2, filter out in the service allocation list that self stores 20 meet this path indication information, starting point is Node_1 and point of destination is the candidate Traffic path of Node_2, then based on attribute indication information: service rate requires 1Tbps, selects service rate to be greater than 8 service paths of 1Tbps in these 20 candidate Traffic paths.Further, these 8 service paths precedence information separately that weight screening plant is determined based on weight determining device, front 2 service paths selecting its medium priority the highest feed back to this user.

According to a preferred embodiment of the present invention, when resource management apparatus cannot obtain the service resources information corresponding with described service requesting information from described service allocation list, also comprise for when the service resources information corresponding with described service requesting information cannot be obtained from described service allocation list according to resource management apparatus of the present invention, resource management apparatus feedback (is schemed not show for the device of the renewal information of described service requesting information, hereinafter referred to as " feedback device "), described acquisition device 1 comprises and to obtain based on described renewal information for receiving, (figure does not show the device of new service requesting information, hereinafter referred to as " request receiving device ").

When obtaining the service resources information corresponding with described service requesting information from described service allocation list, feedback device feedback is for the renewal information of described service requesting information.

Then, request receiving device receives that obtain based on described renewal information, new service requesting information, screening plant 2 continues to perform based on described service requesting information based on the service requesting information of this information, the step of screening is carried out, to obtain the service resources information meeting this new service requesting information in the service allocation list comprising one or more service resources information.

Such as, acquisition device 1 receives service requesting information: starting point Node_3; Point of destination Node_4; Service rate requires 5Tbps, and resource management apparatus is determined from service allocation list, to obtain the service resources information corresponding with this service requesting information.Then feedback device feedback is for the renewal information of obtained service requesting information.When user re-enters new solicited message based on this renewal information: starting point Node_3; Point of destination Node_4; During service rate requirement 4Tbps, request receiving device receives this new service requesting information, screening plant 2, based on this new service requesting information, screens, to obtain at least one the service resources information meeting this new service requesting information in the service allocation list that self stores.

Preferably, when the service resources information corresponding with described new service requesting information still cannot be obtained from described service allocation list, resource management apparatus repeats above-mentioned feedback for the operation of the renewal information of described service requesting information and the operation receiving that obtain based on described renewal information, new service requesting information, until screening plant 2 gets at least one service resources information of satisfied accepted new service requesting information; Or, fail to obtain new service requesting information to resource management apparatus.

Preferably, resource management apparatus according to the present invention comprises: for obtaining the device (figure does not show, hereinafter referred to as " configuration acquisition device ") of the device configuration information of each IP layer equipment and each light layer devices in current network respectively; For the device (figure does not show, hereinafter referred to as " normalization device ") be normalized the device configuration information of each IP layer equipment obtained and each light layer devices; And for based on the device configuration information of each equipment after normalized and the transmission list item of described current network, determine one or more service resources information, to generate the device (figure does not show, hereinafter referred to as " information determining device ") comprising the service allocation list of this one or more service resources information

Configuration acquisition device obtains the device configuration information of each IP layer equipment and each light layer devices in current network respectively.

Then, the device configuration information of normalization device to each IP layer equipment obtained and each light layer devices is normalized.

Particularly, the device configuration information of each IP layer equipment obtained and each light layer devices transforms according to standard uniformly by normalization device, thus is represented with unified form by the device configuration information of the multiple equipment from different manufacturers.

Such as, be expressed as LTX client's mouth with the port of IP layer equipment connection in the OTN equipment of Huawei, and be expressed as Client port with the port of IP layer equipment connection in the OTN equipment equipment of Alcatel Lucent.Then above-mentioned LTX client's mouth and Client port can be normalized by normalization device, and unification Client port represents the port with IP layer equipment connection in OTN equipment.

Again such as, for the warning information of IP layer equipment and light layer devices disconnecting, in the equipment of Huawei, this kind of warning information R_LOS represents, and this kind of warning information LANLOS represents in the equipment of Alcatel Lucent.Then the representation of above-mentioned R_LOS warning information and LANLOS warning information can be normalized by normalization device, the unified warning information representing IP layer equipment and light layer devices disconnecting with " client side port is abnormal ".

Then, the device configuration information of information determining device based on each equipment after normalized and the transmission list item of described current network, determine one or more service resources information, to generate the service allocation list comprising this one or more service resources information.

Particularly, information determining device obtains each IP layer equipment and each light layer devices both sides port information from device configuration information, and carries out coupling according to described transmission list item and gather, to obtain one or more service path information.

Preferably, information determining device also can according to the device configuration information of each equipment in described routing information, determines this business attribute information corresponding to service path information.

According to a preferred embodiment of the invention, the device that described resource management apparatus also comprises for receiving the warning information from one or more equipment (schemes not show, hereinafter referred to as " alarm receiving system ") and in conjunction with described service allocation list, the warning information of each equipment in described one or more equipment is associated, to determine that the network failure corresponding with described one or more warning information is IP layer fault or photosphere fault (scheming not show, hereinafter referred to as " alarm association device ").

Alarm receiving system receives the warning information from one or more equipment, and wherein, described one or more equipment can comprise IP layer equipment and/or light layer devices.

Then, the warning information of each equipment in described one or more equipment, in conjunction with described service allocation list, associates by alarm association device, to determine that the network failure corresponding with described one or more warning information is IP layer fault or photosphere fault.

According to the second example of the present invention, with reference to the exemplary service path shown in Fig. 4, this service path comprises 2 IP device R1 and R2, and 2 transmission equipment A as light layer devices and transmission equipment B.Wherein, the L1 port of transmission equipment A is connected by trunk fiber with the L2 port of transmission equipment B, and the port e1/1 of R1 is connected with the C1 mouth of transmission equipment 1 by customer side tail optical fiber, and the e2/1 port of R2 is connected with the C2 port of transmission equipment B by customer side tail optical fiber.The state of each equipment that alarm receiving system receives is as follows:

Then alarm association device is in conjunction with the service path information corresponding to this several equipment, is judged as breaking down between transmission equipment A and B, so that this judged result is presented to user.

Then alarm association device is in conjunction with the service path information corresponding to this several equipment, breaks down, and is the tail optical fiber fault between R1 and transmission equipment C1, so that this judged result is presented to user between the e1/1 port judging transmission equipment A and R1.

Preferably, also comprise for when determining that the network failure corresponding with described one or more warning information is photosphere fault according to the method for this preferred embodiment, determine that this network failure be optical fiber link fault is still the device (figure does not show, hereinafter referred to as " failure determination device ") of light layer devices fault further according to the port status information of described one or more warning information and each IP device.

When determining that the network failure corresponding with described one or more warning information is photosphere fault, failure determination device, according to the port status information of described one or more warning information and each IP device, determines that this network failure be optical fiber link fault is still light layer devices fault further.

Particularly, failure determination device, based on the type indication information in warning information, determines that this network failure is that optical fiber link fault is still for light layer devices fault further.Such as, when to receive the type such as such as net card failure (card failure) from light layer devices be the warning information of hardware fault, resource management apparatus can judge that network failure is light layer devices fault.

Preferably, described service resources information also comprises the business attribute information corresponding with described service path information, described business attribute information comprises delivery quality information, (scheme not show according to the device that the resource management apparatus of this preferred embodiment also comprises for determining the service path information corresponding with the warning information of described one or more equipment, hereinafter referred to as " path determining device ") and walk the warning information be used for according to described one or more equipment, the device upgrading the delivery quality information corresponding with this service path information (schemes not show, hereinafter referred to as " quality updating device ").

Path determining device determines the service path information corresponding with the warning information of described one or more equipment.

Then, quality updating device, according to the warning information of described one or more equipment, upgrades the delivery quality information corresponding with this service path information.

Such as, by numeric representation delivery quality information, numerical value larger expression delivery quality is higher, and the highest delivery quality value that service path can have is 100, for determining that the rule of delivery quality information comprises: receive LOS warning information, then the delivery quality value in corresponding service path is subtracted 1; Receive hardware alarm information, then the delivery quality value in corresponding service path is subtracted 2.When receiving a LOS warning information, path determining device determines the service path information route_1 corresponding with this LOS warning information, this service path information route_1 delivery quality value, according to predetermined rule, is updated to 97 by original 98 by quality updating device.

According to office's the solution of the present invention, unified MRP can be carried out to IP layer equipment and light layer devices, facilitate user to plan related service; Further, according to the solution of the present invention, the ownership layer of network failure can be determined, improve the efficiency of malfunction elimination work.

Software program of the present invention can perform to realize step mentioned above or function by processor.Similarly, software program of the present invention (comprising relevant data structure) can be stored in computer readable recording medium storing program for performing, such as, and RAM memory, magnetic or CD-ROM driver or floppy disc and similar devices.In addition, steps more of the present invention or function can adopt hardware to realize, such as, as coordinating with processor thus performing the circuit of each function or step.

In addition, a part of the present invention can be applied to computer program, such as computer program instructions, when it is performed by computer, by the operation of this computer, can call or provide according to method of the present invention and/or technical scheme.And call the program command of method of the present invention, may be stored in fixing or moveable recording medium, and/or be transmitted by the data flow in broadcast or other signal bearing medias, and/or be stored in the working storage of the computer equipment run according to described program command.At this, comprise a device according to one embodiment of present invention, this device comprises the memory for storing computer program instructions and the processor for execution of program instructions, wherein, when this computer program instructions is performed by this processor, trigger this plant running based on the aforementioned method according to multiple embodiment of the present invention and/or technical scheme.

To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or essential characteristic, the present invention can be realized in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the present invention.Any Reference numeral in claim should be considered as the claim involved by limiting.In addition, obviously " comprising " one word do not get rid of other unit or step, odd number does not get rid of plural number.Multiple unit of stating in system claims or device also can be realized by software or hardware by a unit or device.First, second word such as grade is used for representing title, and does not represent any specific order.

Claims

1., for obtaining a method for service resources, wherein, said method comprising the steps of:

2. method according to claim 1, wherein, described service resources information also comprises the business attribute information corresponding with described service path information, wherein, described service requesting information also comprises attribute indication information, and this attribute indication information is used to indicate the path attribute corresponding to path needing to obtain;

Wherein, described based on described service requesting information, screen in the service allocation list comprising one or more service resources information, further comprising the steps of with the step obtaining at least one the service resources information meeting described service requesting information:

-based on described path indication information, in described service allocation list, filter out the one or more candidate Traffic resource information that service path information meets this path indication information;

-based on described attribute indication information, in described one or more candidate Traffic resource information, select business attribute information to meet at least one service resources information of described attribute indication information.

3. method according to claim 1 and 2, wherein, described based on described service requesting information, screen in the service allocation list comprising one or more service resources information, further comprising the steps with the step obtaining at least one the service resources information meeting described service requesting information:

-based on predetermined screening rule, in conjunction with described service requesting information, screen in the service allocation list comprising one or more service resources information, to obtain at least one the service resources information meeting described service requesting information.

4. method according to claim 3, wherein, the priority that described screening rule comprises based on each service resources information is screened, and described method is further comprising the steps of:

-determine the weight additional information of each service resources information according to the business attribute information of each service resources information in described at least one service resources information, to select the service resources information for realizing described service requesting information based on described weight additional information;

Wherein, described based on predetermined screening rule, in conjunction with described service requesting information, screen in the service allocation list comprising one or more service resources information, comprise further with the step obtaining at least one the service resources information meeting described service requesting information:

-based on described service requesting information, and according to the weight additional information of each service resources information, screen in the service allocation list comprising one or more service resources information, to obtain at least one the service resources information meeting described service requesting information.

5. method according to any one of claim 1 to 4, wherein, described method is further comprising the steps of:

-when the service resources information corresponding with described service requesting information cannot be obtained from described service allocation list, feed back the renewal information for described service requesting information;

Wherein, the step of described acquisition service requesting information is further comprising the steps of:

-receive that obtain based on described renewal information, new service requesting information.

6. method according to any one of claim 1 to 5, wherein, described method is further comprising the steps of:

-receive warning information from one or more equipment, wherein, described one or more equipment can comprise IP layer equipment and/or light layer devices;

-in conjunction with described service allocation list, the warning information of each equipment in described one or more equipment is associated, to determine that the network failure corresponding with described one or more warning information is IP layer fault or photosphere fault.

7. method according to claim 6, wherein, described method is further comprising the steps of:

-when determining that the network failure corresponding with described one or more warning information is photosphere fault, according to the port status information of described one or more warning information and each IP device, determine that this network failure be optical fiber link fault is still light layer devices fault further.

8. the method according to claim 6 or 7, wherein, also comprise the business attribute information corresponding with described service path information, described business attribute information comprises delivery quality information, and wherein, described method is further comprising the steps of:

-determine the service path information corresponding with the warning information of described one or more equipment;

-according to the warning information of described one or more equipment, upgrade the delivery quality information corresponding with this service path information.

9. method according to any one of claim 1 to 8, wherein, described method is further comprising the steps of:

-obtain the device configuration information of each IP layer equipment and each light layer devices in current network respectively;

-device configuration information of each IP layer equipment obtained and each light layer devices is normalized;

-based on the device configuration information of each equipment after normalized and the transmission list item of described current network, determine one or more service resources information, to generate the service allocation list comprising this one or more service resources information.

10. method according to claim 9, wherein, the described step obtaining the device configuration information of each IP layer equipment and each light layer devices in current network respectively comprises the following steps:

-interconnected by the northbound interface of Corba or SNMP interface and described current network, obtain the device configuration information of each IP layer equipment and each light layer devices in current network respectively.

11. 1 kinds for obtaining the resource management apparatus of service resources, wherein, described resource management apparatus comprises:

12. resource management apparatus according to claim 11, wherein, described service resources information also comprises the business attribute information corresponding with described service path information, wherein, described service requesting information also comprises attribute indication information, and this attribute indication information is used to indicate the path attribute corresponding to path needing to obtain;

Wherein, describedly to screen in the service allocation list comprising one or more service resources information for based on described service requesting information, with the device obtaining at least one the service resources information meeting described service requesting information also for:

13. resource management apparatus according to claim 11 or 12, wherein, described for based on described service requesting information, screen in the service allocation list comprising one or more service resources information, comprise further with the device obtaining at least one the service resources information meeting described service requesting information:

For based on predetermined screening rule, in conjunction with described service requesting information, screen in the service allocation list comprising one or more service resources information, to obtain the device of at least one the service resources information meeting described service requesting information.

14. according to claim 11 to the resource management apparatus according to any one of 13, and wherein, the weight additional information that described screening rule comprises based on each service resources information is screened, and described resource management apparatus also comprises:

For determining the weight additional information of each service resources information, to select the device of the service resources information for realizing described service requesting information based on described priority according to the business attribute information of each service resources information in described at least one service resources information;

Wherein, described for based on predetermined screening rule, in conjunction with described service requesting information, screen in the service allocation list comprising one or more service resources information, be further used for the device obtaining at least one the service resources information meeting described service requesting information:

-based on described service requesting information, and according to the priority of each service resources information, screen in the service allocation list comprising one or more service resources information, to obtain at least one the service resources information meeting described service requesting information.

15. according to claim 11 to the resource management apparatus according to any one of 14, and wherein, described resource management apparatus also comprises:

For when the service resources information corresponding with described service requesting information cannot be obtained from described service allocation list, feed back the device of the renewal information for described service requesting information;

Wherein, the described device for obtaining service requesting information also comprises:

For receiving the device of that obtain based on described renewal information, new service requesting information.

16. according to claim 11 to the resource management apparatus according to any one of 15, and wherein, described resource management apparatus also comprises:

For receiving the device of the warning information from one or more equipment, wherein, described one or more equipment can comprise IP layer equipment and/or light layer devices;

For in conjunction with described service allocation list, the warning information of each equipment in described one or more equipment is associated, to determine that the network failure corresponding with described one or more warning information is the device of IP layer fault or photosphere fault.

17. resource management apparatus according to claim 16, wherein, described resource management apparatus also comprises:

For when determining that the network failure corresponding with described one or more warning information is photosphere fault, according to the port status information of described one or more warning information and each IP device, determine that this network failure be optical fiber link fault is still the device of light layer devices fault further.

18. resource management apparatus according to claim 16 or 17, wherein, also comprise the business attribute information corresponding with described service path information, described business attribute information comprises delivery quality information, and wherein, described resource management apparatus also comprises:

For determining the device of the service path information corresponding with the warning information of described one or more equipment;

For the warning information according to described one or more equipment, upgrade the device of the delivery quality information corresponding with this service path information.

19. according to claim 11 to the resource management apparatus according to any one of 18, and wherein, described resource management apparatus also comprises:

For obtaining the device of the device configuration information of each IP layer equipment and each light layer devices in current network respectively;

For the device be normalized the device configuration information of each IP layer equipment obtained and each light layer devices;

For based on the device configuration information of each equipment after normalized and the transmission list item of described current network, determine one or more service resources information, to generate the device of the service allocation list comprising this one or more service resources information.

20. resource management apparatus according to claim 19, wherein, the device of the described device configuration information for obtaining each IP layer equipment and each light layer devices in current network is respectively used for:

-interconnected by the northbound interface of Corba or SNMP interface and described current network, obtain the device configuration information of each light layer devices in current network.