CN103457851B - PTN (packet transfer network) organization architecture and service bearing method thereof - Google Patents
PTN (packet transfer network) organization architecture and service bearing method thereof Download PDFInfo
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Abstract
The invention provides a PTN (packet transfer network) organization architecture and a service bearing method thereof. The organization architecture comprises a plurality of subsystems connected through a scheduling ring. The scheduling ring is used for inter-base-station interconnection services and base station multi-homing services among the subsystems. Each subsystem comprises an access ring and a collecting ring connected with the access ring; the access ring is connected with a wireless base station and used for receiving network signals from the wireless base station and transmitting the network signals to the collecting ring, and the network signals bear at least one of the inter-base-station interconnection services and base station multi-homing services; the collecting ring is used for processing the network signals to allow for separation and transmission of the inter-base-station interconnection services and base station multi-homing services. According to the technical scheme, the organization architecture has the advantages that the PTN organization architecture is high in capacity and the problem in eNodeB service transmission in TD-LET is solved.
Description
Technical field
The present invention relates to transmission net technical field, more particularly, to a kind of ptn group-network construction and based on this ptn group-network construction
Service bearer method.
Background technology
Td-lte (td-lte, time division long term evolution, timesharing Long Term Evolution) is as imt-
One of advance mainstream technology, will make mobile network actually enter mobile broadband era.Compare existing 2g, 3g mobile communication
System, td-lte proposes more at aspects such as high bandwidth, low time delay, horizontal forwarding, the transmission of time synchronized ground to return network
High request.
First, bandwidth demand is developed into hundreds of the million of lte period by several million, the tens of 2g/3g period.
Second, lte need to provide flexible qos and tightened up end-to-end time delay, are specified according to 3gpp, to delay requirement
Most stringent of real-time game class business, the end-to-end One Way Delay from user terminal to server is 50ms, propagation delay time therebetween
Need within 10ms.
3rd, lte introduce and interconnect ownership (s1-flex) demand more than (x2 interface) and base station between adjacent base station, lead to back
Pass network and point-to-multipoint or how point-to-multipoint route type network is changed into by the converying type network of point-to-point, existing 2g/3g returns
Pass network and cannot meet this horizontal forwarding demand.
4th, td-lte air interface needs precise synchronization it is desirable between different districts air interface synchronization deviation is very
Little it is therefore desirable to transmit high-precision time synchronizing signal in td-lte return network.
Ptn (ptn, packet transfer network, Packet Transport Network) can provide efficient multi-service to hold
Carry, possess powerful protection, oam and network management function, flexible statistic multiplexing and qos ability, meet td-lte high bandwidth, low when
The requirement prolonged, also can provide precise time and frequency synchronization information transmission for td-lte system.On the other hand, td-lte period,
Otn equipment may gradually sink down into metropolitan area and converge machine room, need to be pushed further into otn and support 1588v2 Time synchronization technique, realize
The time synchronized ground transmission networking of otn+ptn.
Td-scdma (time division-synchronous code division multiple access, the time-division
S-CDMA-Synchronous Code Division Multiple Access accesses) wireless network started from 2007 to build, and mainly adopted ptn three-tier architecture (key+to converge at this stage
+ access), carry td business using based on mpls-tp ptn l2 technology, Fig. 1 is the existing ptn network architecture and td business
The schematic diagram of bearing method.
As shown in figure 1, the existing ptn network architecture mainly includes three below part:
(1) key grooming ring (10ge): include ptn l2 equipment, generally 10ge ptn ring, carry the nodeb across machine building
Iub (interface between nodeb and rnc) business, is connected with converging local side apparatus (ptn l2) by 10ge/ge optical port；
(2) equipment in building: using ptn l2 equipment, undertake service access and the convergence aggregation feature of nodeb to rnc, lead to
Cross 10ge/ge optical port and be connected with converging local side apparatus (ptn l2)；
(3) converge ring (10ge): include ptn l2 equipment, generally 10ge ptn ring, undertake the business of nodeb to rnc
Access and convergence aggregation feature, be connected it is achieved that one is point-to-multipoint with converging local side apparatus (ptn l2) by 10ge/ge optical port
Business transfer capability；
(4) access ring (ge): include ptn l2 equipment, generally ge access ring, realize nodeb iub service access.
Enter td-lte period after, wireless base station (enodeb) business demand changes greatly, the existing ptn network architecture and
Service bearer method is difficult in adapt to the service needed of enodeb, major embodiment in the following areas:
(1) the list station peak bandwidth demands of enodeb are up to 300-400m, are the 10 of existing td nodeb bandwidth
Times, and existing convergence ring flank speed is 10ge, such as converging has 3 aggregation nodes on ring, then each aggregation node can divide
To bandwidth only 5ge it is difficult to meet enodeb bandwidth of base station demand；
(2) business of enodeb transmits x2 business and the enodeb-sgw/mme that demand mainly includes enodeb-enodeb
S1 business, so require ptn equipment possess by this detached ability of two classes business and how point-to-multipoint business transmission
Ability, existing ptn l2 networking mode cannot meet the transmission of lte business and require.
Therefore, existing ptn group-network construction can not meet the enodeb business transmission problem in td-lte period, and for this
Problem, not yet proposes preferable solution at present.
Content of the invention
It is an object of the invention to provide a kind of ptn group-network construction and the service bearer method based on this ptn group-network construction, use
In solution prior art, ptn group-network construction can not meet the enodeb business transmission problem in td-lte period.
For achieving the above object, according to an aspect of the present invention, provide a kind of ptn group-network construction, and adopt following skill
Art scheme:
Ptn group-network construction includes: the multiple subsystems being connected by grooming ring, and described grooming ring is used for dispatching inter-subsystem
Base station between interconnection services and the many home service in base station；Described subsystem includes: access ring and the remittance being connected with described access ring
Polycyclic；Described access ring connects wireless base station, for receiving the network signal of wireless base station, and by described network signal transmit to
Described convergence ring, described network signal at least carries one of many home service of interconnection services and base station between base station；Described convergence ring
For processing to described network signal, realize the home service many with described base station of interconnection services between base station and separate and biography
Send；
Described converge ring specifically for: judge the type of the business of described network signal carrying；If described network signal
The type of the business carrying is the many home service of home base stations, then transmit described network signal to local core network entity；
If the type of the business that described network signal carries is the inter-subsystem many home service in non-local base station, by described network
Signal transmission to described grooming ring, by described grooming ring, described network signal is transmitted to purpose core network entity corresponding to son
System；If the type of the business that described network signal carries is interconnection services between home base stations, described network signal is passed
Transport to described access ring, transmitted described network signal to purpose wireless base station by described access ring；If described network signal
The type of the business carrying is interconnection services between inter-subsystem non-local base station, then transmit described network signal to described tune
Degree ring, by described grooming ring, described network signal is transmitted to purpose wireless base station corresponding to subsystem.
Further, described convergence ring specifically for: described network signal is reverted to ip signal, and to described ip signal
Carry out legitimacy verifies；Obtain the interface attributes of ip signal by described legitimacy verifies and purpose ip of described ip signal is believed
Breath；According to described interface attributes and the corresponding vpn route forwarding table of described purpose ip information searching or ip route forwarding table；According to
Described vpn route forwarding table or described ip route forwarding table determine the type of the business that described network signal carries.
Further, described convergence ring is specifically for judging whether to need to described net according to the label of described network signal
Network signal carries out l3 process, if it is, judging the type of the business that described network signal carries, otherwise, described network is believed
Number carry out l2 process.
Further, described convergence ring includes the convergence local side using ptn l3 equipment, by described convergence local side to described
Network signal is processed, and realizes the home service many with described base station of interconnection services between base station and separates and transmission.
Further, described convergence ring also includes the aggregation node using ptn l2 equipment, and described access ring includes adopting
The access node of ptn l2 equipment, setting up between described access ring and described convergence ring has multiprotocol label switching mpls tunnel；
Described access node is used for receiving described network signal from wireless base station, and is passed described network signal by described mpls tunnel
Transport to aggregation node；Described aggregation node is used for transmitting described network signal to described convergence local side.
Further, described convergence local side adopts the ptn l3 equipment of 40ge rank, and described grooming ring includes adopting 40ge
The scheduling node of the ptn l3 equipment of rank, described scheduling node is used for dispatching interconnection services and base station between inter-subsystem base station
Many home service；Pass through 10ge optical port transmission network signal between described convergence local side and scheduling node.
Further, ptn group-network construction also includes: service access equipment, connects described convergence local side and local respectively
Core network entity, for transmitting the described network signal converging between local side and local described core network entity.
According to another aspect of the present invention, provide a kind of service bearer method of ptn group-network construction, and using as follows
Technical scheme:
The service bearer method of ptn group-network construction includes: access ring receives the network signal of wireless base station, described network letter
Number at least carry one of many home service of interconnection services and base station between base station；Described access ring transmits described network signal to remittance
Polycyclic；Described convergence ring is processed to described network signal, realize interconnection services and the many home service in base station between base station point
From and transmission；
Described convergence ring is processed to described network signal, realizes interconnection services and the many home service in base station between base station
Separate and transmit, specifically include: judge the type of the business that described network signal carries；If the industry that described network signal carries
The type of business is the many home service of home base stations, then transmit described network signal to local core network entity；If described
The many home service in base station that the type of the business that network signal carries is inter-subsystem, then transmit described network signal to scheduling
Ring, by grooming ring, described network signal is transmitted to purpose core network entity corresponding to subsystem；If described network signal
The type of the business carrying is interconnection services between home base stations, then transmit described network signal to access ring, will by access ring
Described network signal transmits to purpose wireless base station；If the type of the business that described network signal carries is inter-subsystem base
Interconnection services between standing, then transmit described network signal to grooming ring, transmitted to purpose no described network signal by grooming ring
Subsystem corresponding to line base station.
Further, the described type converging the business that ring judges that described network signal carries includes: described network is believed
Number revert to ip signal, and legitimacy verifies are carried out to described ip signal；Acquisition is by the ip signal of described legitimacy verifies
Interface attributes and the purpose ip information of described ip signal；Corresponding according to described interface attributes and described purpose ip information searching
Vpn route forwarding table or ip route forwarding table；Described net is determined according to described vpn route forwarding table or described ip route forwarding table
The type of the business of network signaling bearer.
Further, before described convergence ring judges the type of business that described network signal carries, also include: according to institute
The label stating network signal judges whether to need to carry out l3 process to described network signal, if it is, judging described network letter
Number carry business type, otherwise, l2 process is carried out to described network signal.
Further, by the convergence local side using ptn l3 equipment that described convergence ring includes, described network signal is carried out
Process, realize the home service many with described base station of interconnection services between base station and separate and transmission.By the above-mentioned technology of the present invention
Scheme, (s1/x2) service signal is sent to the ptn l2 access device of access ring by enodeb, and ptn l2 access device passes through
Mpls tunnel transmits signals to convergence local side ptn l3 equipment.Convergent point carries out l2-l3 bridge joint and and l3 with converging local side
Static routing forwards, and realizes s1 business and separates and transmission with x2 business, and the enodeb business transmission solving td-lte period is asked
Topic.
In addition to objects, features and advantages described above, the present invention also has other objects, features and advantages.
Below with reference to figure, the present invention is further detailed explanation.
Brief description
Accompanying drawing is used for providing a further understanding of the present invention, constitutes the part of the application, the schematic reality of the present invention
Apply example and its illustrate, for explaining the present invention, not constituting inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 represents that ptn group-network construction described in background of invention and service bearer flow to schematic diagram；
Fig. 2 represents that the structural representation of ptn group-network construction described in the embodiment of the present invention and service bearer flow to schematic diagram；
Fig. 3 represents the service bearer method flow diagram described in the embodiment of the present invention.
Specific embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail, but the present invention can be defined by the claims
Implement with the multitude of different ways covering.
Fig. 2 represents that the structural representation of ptn group-network construction described in the embodiment of the present invention and service bearer flow to schematic diagram.
Shown in Figure 2, ptn group-network construction includes:
Ptn group-network construction includes: the multiple subsystems being connected by grooming ring, and described grooming ring is used for dispatching inter-subsystem
Base station between interconnection services and the many home service in base station；Described subsystem includes: access ring and the remittance being connected with described access ring
Polycyclic；Described access ring connects wireless base station, for receiving the network signal of wireless base station, and by described network signal transmit to
Described convergence ring, described network signal at least carries one of many home service of interconnection services and base station between base station；Described convergence ring
For processing to described network signal, realize the home service many with described base station of interconnection services between base station and separate and biography
Send；
Described convergence ring specifically for:
Judge the type of the business that described network signal carries；
If the type of the business that described network signal carries is the many home service of home base stations, by described network signal
Transmit to local core network entity；
If the type of the business that described network signal carries is the inter-subsystem many home service in non-local base station, will
Described network signal transmits to described grooming ring, is transmitted described network signal to purpose core network entity institute by described grooming ring
Corresponding subsystem；
If the type of the business that described network signal carries is interconnection services between home base stations, by described network signal
Transmit to described access ring, transmitted described network signal to purpose wireless base station by described access ring；
If the type of the business that described network signal carries is interconnection services between inter-subsystem non-local base station, will
Described network signal transmits to described grooming ring, and it is right to purpose wireless base station institute to be transmitted described network signal by described grooming ring
The subsystem answered.
By the technique scheme of the present embodiment, many for meeting x2 interface inter-link and base station between lte period adjacent base station
The demand of ownership (s1-flex), ptn provides core layer and strengthens l3 function (ptn l3) and core layer two kinds of solutions of docking router
Certainly scheme, is completed the forwarding of horizontal flow by ptn in the scheme of core layer enhancing l3 function, core layer docks the scheme of router
Complete the forwarding of horizontal flow by router.
In the technique scheme of the present embodiment, the l3 function that ptn nucleus equipment introduces includes the bridge joint work(of l2～l3
Can be with static l3 routing function.L2～l3 bridging functionality refers to ptn equipment termination l2pw, and is divided by the ip network segment, to identical
Pw in the network segment is restrained, then carries out l3 routing forwarding by static l3vpn mode.Generally, it is in l3ptn network and l2 net
The equipment of network intersection needs to have this l2/l3 bridging functionality, including the l3ptn equipment docking with l2ptn network and with visitor
The l3ptn equipment of family side equipment of the core network docking.In addition, static l3 routing function can combine l3vpn road by ptn tunneling technique
Realized by technical approach.
Specifically, l2～l3 bridging functionality refers to ptn equipment termination l2pw, and is divided by the ip network segment, to phase same network segment
Interior pw is restrained, then carries out l3 routing forwarding by static l3vpn mode.Specific implementation is: described convergence ring will
Described network signal reverts to ip signal, and carries out legitimacy verifies to described ip signal；Obtain by described legitimacy verifies
The interface attributes of ip signal and described ip signal purpose ip information；Looked into according to described interface attributes and described purpose ip information
Look for corresponding vpn route forwarding table or ip route forwarding table；True according to described vpn route forwarding table or described ip route forwarding table
The type of the business that fixed described network signal carries.
Preferably, described convergence ring is specifically for judging whether to need to described network according to the label of described network signal
Signal carries out l3 process, if it is, judging the type of the business that described network signal carries, otherwise, to described network signal
Carry out l2 process.
By the technique scheme of the present embodiment, (s1/x2) service signal is passed through fe (fast by enodeb
Ethernet, fastethernet interface) interface sends to the ptn l2 access device of access ring, and ptn l2 access device passes through
Mpls tunnel transmits signals to convergence local side ptn l3 equipment.Therefore, the signal patch of transmission is given in multiprotocol label switching tunnel
Upper label, the ptn l3 equipment converging local side judges this signal the need of l3 process according to label, and is tied according to this judgement
Really, to determine to be responsible for the forwarding unit of this signal.
Preferably, described convergence ring also includes the aggregation node using ptn l2 equipment, and described access ring includes adopting ptn
The access node of l2 equipment, setting up between described access ring and described convergence ring has multiprotocol label switching mpls tunnel；Described
Access node be used for from wireless base station receive described network signal, and by described mpls tunnel by described network signal transmit to
Aggregation node；Described aggregation node is used for transmitting described network signal to described convergence local side.
In the technique scheme of the present embodiment, setting up between described access ring and described convergence ring has multiprotocol label
Switching tunnel (mpls tunnel), for transmitting the described x2 business from the plurality of wireless base station with described s1 business
To described convergence local side.
Preferably, described convergence local side adopts the ptn l3 equipment of 40ge rank, and described grooming ring is included using 40ge level
The scheduling node of other ptn l3 equipment, described scheduling node is many with base station for dispatching interconnection services between inter-subsystem base station
Home service；Pass through 10ge optical port transmission network signal between described convergence local side and scheduling node.
By the technique scheme of the present embodiment, in ptn group-network construction introduce high-speed interface, and 40ge mode with
Too net function, transmission range, one-tenth present aspect have some superiority.Consider, 40ge interface is easier to and low rate ptn equipment
Networking, and cost is relatively low.
In the technique scheme of the present embodiment, td-lte period assumes that every base station ensures bandwidth and peak bandwidth respectively
For 120m and 450m, every access ring 6 node, often convergence ring 6 node, every 6 access rings of aggregation node band, then converge loop bandwidth total
Demand is 6 × 6 × (6 × 120m+330m)=37.8g, and existing 10ge interface rate ptn cannot meet demand.For 40g/
100g interfacing, can weigh its maturity in terms of standard, product maturity and cost three.2010 in terms of international standard
In June, the ieee 802.3ba standard for 40g/100g ethernet technology obtains ieee and passes through, the standard specifies 4 ×
40gbased lr4 is the specific requirement that 40g transmits 10km, and 4 × 100gbased-er4 and 4 × 100gbased-lr4 is 100g
The specific requirement of transmission 40km and 10km, the standard that 40km is transmitted for 40g, temporarily there is no corresponding International Standard.According to
Know, multiple units are all in the international standard putting forth effort to advance 4 × 40gbased er4 to be that 40g transmits 40km.In product maturity side
Face, 40ge releases the time generally will be early than 100ge, and main cause is at aspects such as chip, optical module, system architectures, and 40ge is relatively
100ge is more easily implemented.The valency of market acceptance just can be become after becoming longer cycles such as present aspect 100ge interface price need
Lattice.Additionally, in the concrete factor considering impact 40g/100g application in addition it is also necessary to be conceived to the overall situation of network, except transmission network
Outside network equipment, also client device, equipment of the core network etc., the compatibility to existing network will be considered simultaneously.
In view of above analyze, 40g system can meet td-lte initial stage convergence-level bandwidth demand, and recent 100g systems technology
Maturity is relatively low, relatively costly, therefore in the ptn group-network construction of the present invention, introduces 40g interface.
Further, ptn group-network construction also includes: service access equipment, connects described convergence local side and local respectively
Core network entity, for transmitting the described network signal converging between local side and local described core network entity.
By the technique scheme of the present embodiment, ptn equipment is realized by service access equipment and docks with sgw/mme,
And it is configured to active/standby gateway, when ptn equipment failure and access link lost efficacy, primary gateway will be unreachable, now vrrp protection
Default gateway ip is mapped as standby gateway, and sgw/mme equipment does not need additional mechanism to coordinate this vrrp standby usage net
Close switching, be consequently belonging to the active/standby gateway protection of curstomer-oriented side sgw/mme equipment.
According to another aspect of the present invention, provide a kind of service bearer method of ptn group-network construction, and using as follows
Technical scheme:
The service bearer method of ptn group-network construction includes:
S101: access ring receives the network signal of wireless base station, and described network signal at least carries interconnection services between base station
One of many home service with base station；
S103: described access ring transmits described network signal to convergence ring；
S105: described convergence ring is processed to described network signal, is realized interconnection services between base station and being belonged to more with base station
The separation of business and transmission；
Described convergence ring is processed to described network signal, realizes interconnection services and the many home service in base station between base station
Separate and transmit, specifically include:
Judge the type of the business that described network signal carries；
If the type of the business that described network signal carries is the many home service of home base stations, by described network signal
Transmit to local core network entity；
If the type of the business that described network signal carries is the inter-subsystem many home service in non-local base station, will
Described network signal transmits to described grooming ring, is transmitted described network signal to purpose core network entity institute by described grooming ring
Corresponding subsystem；
If the type of the business that described network signal carries is interconnection services between home base stations, by described network signal
Transmit to described access ring, transmitted described network signal to purpose wireless base station by described access ring；
If the type of the business that described network signal carries is interconnection services between inter-subsystem non-local base station, will
Described network signal transmits to described grooming ring, and it is right to purpose wireless base station institute to be transmitted described network signal by described grooming ring
The subsystem answered.
By the technique scheme of the present embodiment, converging local side becomes the service hub of network, undertakes s1 and x2 industry
Business separation function, converges ring and abandons original ptn l2 10ge convergence ring, introduce ptn 40ge rank and converge ring, and converge local side
Using ptn l3 equipment, adapt to lte business big bandwidth needs and flexible dispatching needs.
Specifically, (s1/x2) service signal is sent by fe interface to access to the ptn l2 of access ring and sets by enodeb
Standby, ptn l2 access device transmits signals to convergence local side ptn l3 equipment by mpls tunnel.Converge local side ptn l3 to set
Standby judge whether to need l3 process according to label.If not needing l3 process, carry out label forwarding and l2 process；If desired at l3
Reason, then restore ip signal after termination l2 business, then its legitimacy verified, after verification is passed through, according to ip signal
The purpose ip information of interface attributes and ip signal, searches vpn (vpn, virtual private network, Virtual Private Network
Network) route forwarding table or ip route forwarding table, judge the port type of outgoing interface according to corresponding forwarding-table item, and carry out accordingly
Process, generally there are following four situation:
If local uni port (local s1 business), then by 10ge optical port, signal is forwarded in the building of one's respective area and sets
Standby, in building, signal is forwarded to sgw/mme by equipment again, specifically the one's respective area s1 service route of meaning shown in Figure 2；
If non-local uni port (non-local s1 business), then carry out ip message and encapsulate and send to mpls tunnel, pass through
Signal is delivered to key grooming ring (40ge) by 10ge optical port, then signal is sent to specify non-original by key grooming ring (40ge)
Sgw/mme, specifically refers to the trans-regional s1 service route shown in Fig. 2；
If local virtual interface (local x2 business), then by ip message carry out l2pw encapsulation send converge ring (40ge) ge or
10ge port, and it is forwarded to local adjacent base station, specifically refer to the one's respective area x2 service route of meaning shown in Fig. 2；
If non-local virtual interface (non-local x2 business), then carry out ip message and encapsulate and send to mpls tunnel, pass through
10ge optical port transmits signals to key grooming ring, then signal is sent to the non-local adjacent base station specified, and specifically refers to Fig. 2
Shown in meaning trans-regional x2 service route.
By the technique scheme of the present invention, (s1/x2) service signal is sent to the ptn l2 of access ring by enodeb
Access device, ptn l2 access device transmits signals to convergence local side ptn l3 equipment by mpls tunnel.Convergent point and remittance
Poly- local side carry out l2-l3 bridge joint and and l3 static routing forward, realize s1 business and separate and transmission with x2 business, solve
The enodeb business transmission problem in td-lte period.
Claims (11)
1. a kind of ptn group network system is it is characterised in that include:
The multiple subsystems being connected by grooming ring, described grooming ring is used for dispatching interconnection services and base between inter-subsystem base station
Stand many home service；
Described subsystem includes:
Access ring and the convergence ring being connected with described access ring；
Described access ring connects wireless base station, for receiving the network signal of described wireless base station, and described network signal is passed
Transport to described convergence ring, described network signal at least carry between described base station the many home service of interconnection services and described base station it
One；
Described convergence ring is used for described network signal is processed, and realizes interconnection services between described base station and returning more with described base station
The separation of genus business and transmission；
Described convergence ring specifically for:
Judge the type of the business that described network signal carries；
If the type of the business that described network signal carries is the many home service of home base stations, described network signal is transmitted
To local core network entity；
If the type of the business that described network signal carries is the inter-subsystem many home service in non-local base station, will be described
Network signal transmits to described grooming ring, is transmitted described network signal to corresponding to purpose core network entity by described grooming ring
Subsystem；
If the type of the business that described network signal carries is interconnection services between home base stations, described network signal is transmitted
To described access ring, by described access ring, described network signal is transmitted to purpose wireless base station；
If the type of the business that described network signal carries is interconnection services between inter-subsystem non-local base station, will be described
Network signal transmits to described grooming ring, is transmitted described network signal to corresponding to purpose wireless base station by described grooming ring
Subsystem.
2. ptn group network system as claimed in claim 1 it is characterised in that described convergence ring specifically for:
Described network signal is reverted to ip signal, and legitimacy verifies are carried out to described ip signal；
Obtain the interface attributes of ip signal by described legitimacy verifies and the purpose ip information of described ip signal；
According to described interface attributes and the corresponding vpn route forwarding table of described purpose ip information searching or ip route forwarding table；
Determine the type of the business that described network signal carries according to described vpn route forwarding table or described ip route forwarding table.
3. ptn group network system as claimed in claim 1 or 2 is it is characterised in that described convergence ring is specifically for according to described net
The label of network signal judges whether to need to carry out l3 process to described network signal, if it is, judging that described network signal holds
The type of the business carrying, otherwise, carries out l2 process to described network signal.
4. ptn group network system as claimed in claim 1 or 2 is it is characterised in that described convergence ring is included using ptn l3 equipment
Convergence local side, by described convergence local side, described network signal is processed, realize between described base station interconnection services with described
The separation of the many home service in base station and transmission.
5. ptn group network system as claimed in claim 4 is it is characterised in that described convergence ring is also included using ptn l2 equipment
Aggregation node, described access ring includes the access node using ptn l2 equipment, between described access ring and described convergence ring
Foundation has multiprotocol label switching mpls tunnel；
Described access node is used for receiving described network signal from wireless base station, and is believed described network by described mpls tunnel
Number transmit to aggregation node；
Described aggregation node is used for transmitting described network signal to described convergence local side.
6. ptn group network system as claimed in claim 4 is it is characterised in that described convergence local side adopts the ptn of 40ge rank
L3 equipment, described grooming ring includes the scheduling node of the ptn l3 equipment using 40ge rank, and described scheduling node is used for dispatching
Interconnection services and the many home service in base station between inter-subsystem base station；
Pass through 10ge optical port transmission network signal between described convergence local side and described scheduling node.
7. ptn group network system as claimed in claim 4 is it is characterised in that also include:
Service access equipment, connects described convergence local side and local core network entity, respectively for transmitting described convergence local side
Network signal and local described core network entity between.
8. the ptn group network system described in a kind of any one based on claim 1-7 service bearer method it is characterised in that
Including:
Access ring receives the network signal of wireless base station, and described network signal at least carries returns interconnection services and base station between base station more
One of genus business；
Described access ring transmits described network signal to convergence ring；
Described convergence ring is processed to described network signal, realizes the home service many with base station of interconnection services between base station and separates
And transmission；
Described convergence ring is processed to described network signal, realizes the home service many with base station of interconnection services between base station and separates
And transmission, specifically include:
Judge the type of the business that described network signal carries；
If the type of the business that described network signal carries is the many home service of home base stations, described network signal is transmitted
To local core network entity；
If the many home service in base station that the type of the business that described network signal carries is inter-subsystem, described network is believed
Number transmit to grooming ring, by grooming ring, described network signal is transmitted to purpose core network entity corresponding to subsystem；
If the type of the business that described network signal carries is interconnection services between home base stations, described network signal is transmitted
To access ring, by access ring, described network signal is transmitted to purpose wireless base station；
If the type of the business that described network signal carries is interconnection services between inter-subsystem base station, described network is believed
Number transmit to grooming ring, by grooming ring, described network signal is transmitted to purpose wireless base station corresponding to subsystem.
9. service bearer method as claimed in claim 8 is it is characterised in that described convergence ring judges that described network signal carries
The type of business include:
Described network signal is reverted to ip signal, and legitimacy verifies are carried out to described ip signal；
Obtain the interface attributes of ip signal by described legitimacy verifies and the purpose ip information of described ip signal；
According to described interface attributes and the corresponding vpn route forwarding table of described purpose ip information searching or ip route forwarding table；
Determine the type of the business that described network signal carries according to described vpn route forwarding table or described ip route forwarding table.
10. service bearer method as claimed in claim 8 or 9 is it is characterised in that described convergence ring judges described network signal
Before the type of business carrying, also include:
Judge whether to need to carry out l3 process to described network signal according to the label of described network signal, if it is, judging
The type of the business that described network signal carries, otherwise, carries out l2 process to described network signal.
11. service bearer methods as claimed in claim 8 or 9 are it is characterised in that converge, by described, the employing ptn that ring includes
The convergence local side of l3 equipment is processed to described network signal, realizes the many home service of interconnection services and described base station between base station
Separation and transmission.
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| CN105721299A (en) * | 2016-03-02 | 2016-06-29 | 浪潮通信信息系统有限公司 | Communication network circuit scheduling method |
| CN107347014B (en) * | 2016-05-04 | 2020-12-18 | 中国移动通信集团广东有限公司 | Network fault detection method and system |
| CN108512601B (en) * | 2017-02-28 | 2020-06-02 | 华为技术有限公司 | Method and device for multi-homing access network |
| CN109995635B (en) * | 2017-12-29 | 2021-08-20 | 中国移动通信集团上海有限公司 | PTN networking system based on 5G carrying network |
| CN110225522B (en) * | 2019-04-23 | 2023-09-19 | 中国移动通信集团内蒙古有限公司 | LTE service attribution localization method, device and equipment |
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