CN100433683C - Virtual LAN exchange system and system apparatus signal interaction - Google Patents
Virtual LAN exchange system and system apparatus signal interaction Download PDFInfo
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- CN100433683C CN100433683C CNB2006100587054A CN200610058705A CN100433683C CN 100433683 C CN100433683 C CN 100433683C CN B2006100587054 A CNB2006100587054 A CN B2006100587054A CN 200610058705 A CN200610058705 A CN 200610058705A CN 100433683 C CN100433683 C CN 100433683C
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Abstract
The system comprises: a service control layer networks composed of one or more service control devices; a connection control layer network compose of one or more resource control devices; and a load capacity layer network composed of one or more data repeaters. The method thereof comprises: 1) service control device initiates link request to the resource control device; 2) resource control device initiates VLAN list item request to data repeater; 3) data repeater executes the link request; 4) according to the execution result, the resource control device sends the confirmation message to the service control device.
Description
Technical field
The present invention relates to VLAN switching technology field, the method for Signalling exchange between each equipment in particularly a kind of exchange system of virtual LAN and the system.
Background technology
Local Area Network is meant the network that is made of several home computers, also can be the enterprise network that hundreds of computer constitutes.The LAN of VLAN (VLAN, Virtual LAN) indication refers in particular to the network that uses router to cut apart, just broadcast domain.Broadcast domain refers to the scope that broadcast frame can be delivered to, that is scope that can direct communication.Strictly speaking, not merely be broadcast frame, the unicast frame (Unknown Unicast Frame) that multicast frame (Multicast Frame) and target are not clear also can advance freely in same broadcast domain.
Initial Layer 2 switch can only make up single broadcast domain, network division can be become a plurality of broadcast domains behind the use functionality of vlan, has improved the transmission performance of network integral body.
At present, in the IEEE802.1Q standard, the length of VLAN ID (VLAN Identification, vlan identifier) has only 12, that is to say the VLAN that is merely able to support 4096 overall situations in the whole double layer network, can satisfy the requirement of Operation Network far from.Along with the development of number of users and class of business, operator more and more is difficult to management to user and network link resource, especially in the broadband access network that adopts two layers of technology.
The problem of the VLAN ID anxiety that the exchange of solution virtual circuit is run into can be used stratification VLAN at present.Though use multi-level VLAN to be easy to solve the problem of VLAN ID anxiety, also have following shortcoming: one, need carry out complicated configuration effort, be inconvenient to safeguard; Two, increase the length, particularly Ethernet that one deck VLAN ID has also just increased message, directly caused line efficiency to descend; Three, when network size is bigger, all there is certain problem in user's management, Link Resource Manager.Four, the QOS of network is difficult to guarantee.
Summary of the invention
Technical problem to be solved by this invention is, a kind of exchange system of virtual LAN and system equipment signaling interaction method are provided, employing is based on the VLAN switching architecture framework of VLAN exchange, by the Signalling exchange of each equipment room in the exchange system of virtual LAN, solve following problem: the problem of VLAN ID anxiety in the broadband access network; Virtual network operator is to user, the unmanageable problem of link circuit resource; Virtual network operator can not provide the problem of difference service to the user.
For solving the problems of the technologies described above, the invention provides a kind of exchange system of virtual LAN and system equipment signaling interaction method.System comprises:
One or more operation controlling entity equipment, professional triggering entity equipment, and professional Delivery Function equipment, interconnect and form the service control layer network, be used for after business triggers, by professional Delivery Function equipment inquiring user subscription data in the database of operation controlling entity equipment, and initiate link request;
One or more resource control entity equipment, form by signaling annexation and route annexation mutually and be connected the key-course network, be used for professional route, resource reservation and Call Admission Control, dynamic strategy based on stream is provided, bears the establishment of connection of VLAN exchange end to end, safeguard and remove;
One or more Data Relay Entity equipment that possess the VLAN exchange capacity, form the bearing capacity layer network by the Ethernet physical connection, be used to receive and carry out the strategy that described resource control entity equipment issues, Business Stream is implemented traffic monitoring, scheduling and forwarding.
Described system can also comprise:
Monitoring and maintenance module constitute the operation management maintain layer, are used for the entity device in bearing capacity layer, connection key-course and the service control layer is monitored and maintenance management.
Can the recording user physical location in the database of described operation controlling entity equipment, authority, charging authentication and interface capability information.
Described one or more operation controlling entity equipment can be the type of service according to customization, initiates link request to adjacent resource control entity equipment.
Signaling annexation between the described resource control entity equipment can comprise user and internetwork signaling, and the signaling process between the network equipment.
Described resource control entity equipment can be when Business Stream be crossed over this territory, and the resource control entity equipment in this territory and the resource control entity equipment of the next field are consulted, and are the end-to-end road of traffic flow assignment warp.
Method comprises:
(1), initiates link request to resource control entity equipment by the type of service of operation controlling entity equipment according to customization;
(2) described resource control entity equipment is initiated the request of VLAN list item according to the resource situation of resource control entity equipment to relevant Data Relay Entity equipment;
(3) described Data Relay Entity equipment is carried out described link request according to the VLAN resource allocation conditions of Data Relay Entity equipment, and execution result is fed back to resource control entity equipment;
(4) according to execution result, resource control entity equipment sends the response message of described link request to originating end operation controlling entity equipment.
Described step (1) can comprise:
One or more operation controlling entity equipment are initiated link request according to the type of service of customization to adjacent resource control entity equipment.
Described step (1) may further include:
When Business Stream is crossed over this territory, the described resource control entity equipment adjacent with originating end operation controlling entity equipment is initiated link request to the resource control entity equipment of the next field, and in step (2), initiate the request of VLAN list item to relevant Data Relay Entity equipment by the resource control entity equipment of the next field.
Described step (3) may further include:
The resource control entity equipment of described the next field feeds back to the described resource control entity equipment adjacent with originating end operation controlling entity equipment with execution result;
The described resource control entity equipment adjacent with originating end operation controlling entity equipment is initiated the request of VLAN list item to relevant Data Relay Entity equipment, and obtains the execution result of feedback.
Described step (4) if execution result is successfully, then can be sent the success response message of described link request by resource control entity equipment to originating end operation controlling entity equipment; If execution result is failure, then resource control entity equipment sends the failure response message of described link request to originating end operation controlling entity equipment.
Described link request can be request for building link; The request of described VLAN list item can be set up request for list item.
Described link request can be revised request for link; The request of described VLAN list item can be revised request for list item.
Described link request can be removed request for link; The request of described VLAN list item can be removed request for list item.
Described method may further include:
When described Data Relay Entity device discovery Data Relay Entity device resource occurs when unusual, give resource control entity equipment with the resource exception information reporting;
Initiate the virtual local network table entry deletion request relevant by resource control entity equipment to relevant Data Relay Entity equipment with abnormal resource;
Data Relay Entity equipment is carried out the request of deletion VLAN list item, and execution result is fed back to resource control entity equipment;
Resource control entity equipment is deleted the result unusually with link and is reported related operation controlling entity equipment.
Exchange system of virtual LAN of the present invention and system equipment signaling interaction method possess perfect ethernet vlan exchange and scheduling feature, the means of service dispatching and foundation, adjustment flexibly, VLAN ID resource and extendible two layer service providing capabilities have been enriched, perfect oam instrument and information.Use system and method for the present invention, can realize the unified management of Internet resources and plan the differential service that reaches different business, streamlining management of the present invention is disposed automatically, can select starting point, terminal point automatically, calculate shortest path according to the link in the physical link, adopt shortest path to dispose during deployment.
Description of drawings
Fig. 1 is according to the described exchange system of virtual LAN structural representation of the embodiment of the invention;
Fig. 2 is the link establishment schematic diagram according to described exchange system of virtual LAN of the embodiment of the invention and system equipment signaling interaction method;
Fig. 3 revises schematic diagram according to the link of described exchange system of virtual LAN of the embodiment of the invention and system equipment signaling interaction method;
Fig. 4 removes schematic diagram according to the link of described exchange system of virtual LAN of the embodiment of the invention and system equipment signaling interaction method;
Fig. 5 reports schematic diagram for the resource exception according to described exchange system of virtual LAN of the embodiment of the invention and system equipment signaling interaction method.
Embodiment
As shown in Figure 1, for according to the described exchange system of virtual LAN structural representation of the embodiment of the invention.Wherein, exchange system of virtual LAN (VSS, Vlan Switch System) adopts layer architecture, comprise bearing capacity layer 103, connect key-course 102, service control layer 101 and operation management maintain layer (OAM management level, Operation Administration and Maintenance) 104.
The equipment that mainly comprises in the VSS system has Data Relay Entity equipment (DSE, Data SwitchEntity) 109 resource control entity equipment (RCE,, Resource Control Entity) 108 and operation controlling entity equipment (SCE, Service Control Entity) 105.By the Signalling exchange between DSE109, RCE108 and the SCE105, finish link circuit resource and report foundation, modification, dismounting with link unusually.
VSS possesses perfect ethernet vlan exchange and scheduling feature, and the means of service dispatching and foundation, adjustment have been enriched VLAN ID resource and extendible two layer service providing capabilities, perfect oam instrument and information flexibly.
The general function of each layer of VSS is as follows:
1) the bearing capacity layer 103: be the basal layer of VSS, by the bearing capacity network of forming by the Ethernet physical connection of various ways mutually between the Data Relay Entity equipment DSE109--VLAN function of exchange node that possesses the VLAN exchange capacity.It receives and carries out the strategy that RCE108 issues, and Business Stream is implemented traffic monitoring, scheduling, forwarding, guarantees the QoS (service quality, Qualityof Service) of Business Stream.The function that DSE mainly provides has: the installation/renewal/deletion of dynamic strategy; The VLAN exchange; Traffic monitoring (CAR); Functions such as Priority Queuing.
2) connect key-course 102: by the carrying Control Network of forming by signaling annexation and routing relation mutually between the RCE108 of VSS, bearing functions such as the establishment of connection of VLAN exchange end to end, maintenance, dismounting, is the control nerve of VSS.RCE108 comprises signaling (NNS, processing Network-NetworkSignaling) between the signaling between user and network (UNS, User-Network Signaling) and the network equipment.The function that RCE (Resource Control Entity) mainly provides has: the bearing resource management; The management of user's physical location information; Professional route; Resource reservation; Call Admission Control (CAC); Functions such as dynamic strategy based on stream.
3) service control layer 101: trigger the professional Control Network that function device 107 is connected and forms by forwarding capability equipment 106 and operation controlling entity equipment SCE105 by business, SCE105 has noted down user data, comprise physical location, authority, charging authentication, interface capability information etc., after professional the triggering, carry out data query by forwarding capability equipment 106 to SCE105, obtain professional necessary information.Service control layer 101 is brains of VSS.The function that SCE (Service Control Entity) mainly provides has: user and subscription data management; Network code; Connection management.
4) the OAM management level 104: be responsible for providing O﹠M functions such as management, supervision, maintenance, alarm, to bearing capacity layer 103, connect each functional part in key-course 102, the service control layer 101 such as DSE109/RCE108/SCE105 monitors and maintenance management.
As shown in Figure 2, be the link establishment schematic diagram according to described exchange system of virtual LAN of the embodiment of the invention and system equipment signaling interaction method, concrete steps are as follows:
(step 21) initiates request for building link by the type of service of SCE according to customization to adjacent RCE1.
(step 22) RCE1 initiates request for building link according to resource situation to relevant RCE2.
(step 23) initiates vlan table item foundation request by RCE2 to relevant DSE4 and DSE5.
(step 24) DSE4 and DSE5 carry out request for building link according to the VLAN resource allocation conditions of this equipment.And execution result fed back to RCE2.
(step 25) the link establishment result, feeds back to RCE1. by RCE2
(step 26) if RCE2 link establishment success is initiated the vlan table item by RCE1 to relevant DSE1, DSE2, DSE3 and set up request, otherwise RCE1 is to originating end SCE feedback " link fail foundation " message.
(step 27) DSE1, DSE2, DSE3 carry out request for building link according to the VLAN resource allocation conditions of this equipment.And execution result fed back to RCE1.
(step 28) RCE1 sends the message of " link is successfully set up " to originating end SCE.
RCE supports to be a plurality of SCE services simultaneously, and RCE supports VSS to connect and sets up function.RCE receives and treatment S CE initiates to connect the request of foundation, finishes CAC (connect and admit control, ConnectionAdmission Control), professional route, and resource reservation, to the DSE of Business Stream process distributing policy, setting up end to end, VSS connects.RCE supports the negotiation of cross-domain resource, and when Business Stream was crossed over this territory, the RCE of RCE and the next field consulted, and is one of traffic flow assignment path end to end.
As shown in Figure 3, revise schematic diagram for the link according to described exchange system of virtual LAN of the embodiment of the invention and system equipment signaling interaction method, concrete steps are as follows:
(step 31) initiated link by SCE to adjacent RCE1 and revised request.
(step 32) RCE1 initiates link to relevant RCE2 and revises request according to the link circuit resource distribution condition.
(step 33) initiates vlan table item modification request by RCE2 to relevant DSE4 and DSE5.
(step 34) DSE4 and DSE5 carry out link and revise request according to the VLAN resource allocation conditions of this equipment.And execution result fed back to RCE2.
(step 35) revises the result to link by RCE2, feeds back to RCE1.
(step 36) initiated the vlan table item by RCE1 to relevant DSE1, DSE2, DSE3 and revised request if the RCE2 link is revised successfully, otherwise RCE1 is to originating end SCE feedback " link fail modification " message.
(step 37) DSE1, DSE2, DSE3 carry out link and revise request according to the VLAN resource allocation conditions of this equipment.And execution result fed back to RCE1.
(step 38) RCE1 sends the message of " link is successfully revised " to originating end SCE.
RCE supports VSS to connect modify feature.Connect for a VSS who has set up, RCE receives and treatment S CE initiation connects the request of modification, finishes CAC according to the new parameter of carrying in the request, professional route, resource reservation, and the strategy among the renewal DSE.When VSS connected this territory of leap, RCE connects to revise to next jumping RCE initiation VSS to be asked.
As shown in Figure 4, remove schematic diagram for the link according to described exchange system of virtual LAN of the embodiment of the invention and system equipment signaling interaction method, concrete steps are as follows:
(step 41) initiated link by SCE to adjacent RCE1 and removed request.
(step 42) initiated the vlan table item by RCE1 to relevant DSE1, DSE2, DSE3 and removed request.
(step 43) DSE1, DSE2, DSE3 carry out link and remove request according to the VLAN resource allocation conditions of this equipment.And execution result fed back to RCE1.
(step 44) initiated link by RCE1 to relevant RCE2 and removed request.
(step 45) initiates vlan table item dismounting request by RCE2 to relevant DSE4 and DSE5.
(step 46) DSE4 and DSE5 carry out link and remove request according to the VLAN resource allocation conditions of this equipment.And execution result fed back to RCE2.
(step 47) removes the result to link by RCE2, feeds back to RCE1.
(step 48) removes the result to link by RCE1, feeds back to SCE.
RCE supports VSS to connect and removes function.Connect for a VSS who has set up, RCE can receive treatment S CE and initiate to connect the request of dismounting, discharges the resource that this connection takies, and upgrades the strategy among the DSE.When VSS connected this territory of leap, RCE connects to remove to next jumping RCE initiation VSS to be asked.
As shown in Figure 5, for the resource exception according to described exchange system of virtual LAN of the embodiment of the invention and system equipment signaling interaction method reports schematic diagram, concrete steps are as follows:
(step 51) finds that abnormal conditions appear in this device resource such as link has broken as DSE1, and DSE1 gives adjacent RCE1 the resource exception information reporting.
(step 52) initiates with abnormal resource relevant vlan table entry deletion request to relevant DSE1, DSE2 with DSE3 by RCE1.
(step 53) initiates the link circuit deleting request by RCE1 to relevant RCE2.
(step 54) DSE1, DSE2 and DSE3 carry out the request of deletion vlan table item, and the result who carries out is fed back to RCE1.
(step 55) initiates the request of vlan table entry deletion by RCE2 to relevant DSE4 and DSE5.
(step 56) DSE4, DSE5 carry out the request of deletion vlan table item, and the result who carries out is fed back to RCE2.
(step 57) the link circuit deleting result, sends to RCE1 by RCE2.
(step 58) deletes the result to link unusually by RCE1, reports related SCE.
RCE can handle the resource exception incident that DSE reports, and RCE can initiatively remove the VSS that carries on the abnormal resource and connect, and to DSE distributing policy delete instruction, and notice SCE connects dismounting.
Claims (15)
1, a kind of exchange system of virtual LAN is characterized in that, comprising:
One or more operation controlling entity equipment, professional triggering entity equipment, and professional Delivery Function equipment, interconnect and form the service control layer network, be used for after business triggers, by professional Delivery Function equipment inquiring user subscription data in the database of operation controlling entity equipment, and initiate link request;
One or more resource control entity equipment, form by signaling annexation and route annexation mutually and be connected the key-course network, be used for professional route, resource reservation and Call Admission Control, dynamic strategy based on stream is provided, bears the establishment of connection of VLAN exchange end to end, safeguard and remove;
One or more Data Relay Entity equipment that possess the VLAN exchange capacity, form the bearing capacity layer network by the Ethernet physical connection, be used to receive and carry out the strategy that described resource control entity equipment issues, Business Stream is implemented traffic monitoring, scheduling and forwarding.
2, the system as claimed in claim 1 is characterized in that, also comprises:
Monitoring and maintenance module constitute the operation management maintain layer, are used for the entity device in bearing capacity layer, connection key-course and the service control layer is monitored and maintenance management.
3, the system as claimed in claim 1 is characterized in that, records user's physical location, authority, charging authentication and interface capability information in the database of described operation controlling entity equipment.
4, the system as claimed in claim 1 is characterized in that, described one or more operation controlling entity equipment are the types of service according to customization, initiates link request to adjacent resource control entity equipment.
5, the system as claimed in claim 1 is characterized in that, the signaling annexation between the described resource control entity equipment comprises user and internetwork signaling, and the signaling process between the network equipment.
6, the system as claimed in claim 1 is characterized in that, described resource control entity equipment, and when Business Stream was crossed over this territory, the resource control entity equipment in this territory and the resource control entity equipment of the next field were consulted, and are the traffic flow assignment end-to-end path.
7, a kind of VLAN signaling interaction method is characterized in that, comprising:
(1), initiates link request to resource control entity equipment by the type of service of operation controlling entity equipment according to customization;
(2) described resource control entity equipment is initiated the request of VLAN list item according to the resource situation of resource control entity equipment to relevant Data Relay Entity equipment;
(3) described Data Relay Entity equipment is carried out described link request according to the VLAN resource allocation conditions of Data Relay Entity equipment, and execution result is fed back to resource control entity equipment;
(4) according to execution result, resource control entity equipment sends the response message of described link request to originating end operation controlling entity equipment.
8, method as claimed in claim 7 is characterized in that, described step (1) comprising:
One or more operation controlling entity equipment are initiated link request according to the type of service of customization to adjacent resource control entity equipment.
9, method as claimed in claim 8 is characterized in that, described step (1) further comprises:
When Business Stream is crossed over this territory, the described resource control entity equipment adjacent with originating end operation controlling entity equipment is initiated link request to the resource control entity equipment of the next field, and in step (2), initiate the request of VLAN list item to relevant Data Relay Entity equipment by the resource control entity equipment of the next field.
10, method as claimed in claim 9 is characterized in that, described step (3) further comprises:
The resource control entity equipment of described the next field feeds back to the described resource control entity equipment adjacent with originating end operation controlling entity equipment with execution result;
The described resource control entity equipment adjacent with originating end operation controlling entity equipment is initiated the request of VLAN list item to relevant Data Relay Entity equipment, and obtains the execution result of feedback.
11, method as claimed in claim 7 is characterized in that, described step (4), if execution result is successfully, then resource control entity equipment sends the success response message of described link request to originating end operation controlling entity equipment; If execution result is failure, then resource control entity equipment sends the failure response message of described link request to originating end operation controlling entity equipment.
12, method as claimed in claim 7 is characterized in that, described link request is a request for building link; The request of described VLAN list item is that list item is set up request.
13, method as claimed in claim 7 is characterized in that, described link request is that link is revised request; The request of described VLAN list item is that list item is revised request.
14, method as claimed in claim 7 is characterized in that, described link request is that link is removed request; The request of described VLAN list item is that list item is removed request.
15, method as claimed in claim 7 is characterized in that, further comprises:
When described Data Relay Entity device discovery Data Relay Entity device resource occurs when unusual, give resource control entity equipment with the resource exception information reporting;
Initiate the virtual local network table entry deletion request relevant by resource control entity equipment to relevant Data Relay Entity equipment with abnormal resource;
Data Relay Entity equipment is carried out the request of deletion VLAN list item, and execution result is fed back to resource control entity equipment;
Resource control entity equipment is deleted the result unusually with link and is reported related operation controlling entity equipment.
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| CNB2006100587054A CN100433683C (en) | 2006-03-02 | 2006-03-02 | Virtual LAN exchange system and system apparatus signal interaction |
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| CNB2006100587054A CN100433683C (en) | 2006-03-02 | 2006-03-02 | Virtual LAN exchange system and system apparatus signal interaction |
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| CN101030904A CN101030904A (en) | 2007-09-05 |
| CN100433683C true CN100433683C (en) | 2008-11-12 |
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Families Citing this family (4)
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| CN102215159B (en) * | 2010-04-12 | 2015-06-03 | 中兴通讯股份有限公司 | Service management method and system in broadband network |
| CN104519080B (en) * | 2013-09-27 | 2019-01-08 | 中兴通讯股份有限公司 | A kind of link constructing method and system of Distributed C DN system |
| CN105227419B (en) * | 2014-06-13 | 2019-03-15 | 杭州迪普科技股份有限公司 | Machinery of consultation and consulting device based on VEM |
| CN111353811B (en) * | 2020-02-17 | 2023-10-31 | 苏宁云计算有限公司 | Unified resource issuing method and system |
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| US6167052A (en) * | 1998-04-27 | 2000-12-26 | Vpnx.Com, Inc. | Establishing connectivity in networks |
| CN1333613A (en) * | 2000-07-07 | 2002-01-30 | 冲电气工业株式会社 | Virtual LAN system capable of transmitting mark frame |
| US20040117476A1 (en) * | 2002-12-17 | 2004-06-17 | Doug Steele | Method and system for performing load balancing across control planes in a data center |
| JP2005033585A (en) * | 2003-07-07 | 2005-02-03 | Yazaki Corp | Network resource management device |
| CN1725730A (en) * | 2005-04-08 | 2006-01-25 | 杭州华为三康技术有限公司 | Method of multilayer VLAN switching |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11122290A (en) * | 1997-10-17 | 1999-04-30 | Matsushita Electric Works Ltd | Network switching system |
| US6167052A (en) * | 1998-04-27 | 2000-12-26 | Vpnx.Com, Inc. | Establishing connectivity in networks |
| CN1333613A (en) * | 2000-07-07 | 2002-01-30 | 冲电气工业株式会社 | Virtual LAN system capable of transmitting mark frame |
| US20040117476A1 (en) * | 2002-12-17 | 2004-06-17 | Doug Steele | Method and system for performing load balancing across control planes in a data center |
| JP2005033585A (en) * | 2003-07-07 | 2005-02-03 | Yazaki Corp | Network resource management device |
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