CN100521640C - Star net forming method and system - Google Patents
Star net forming method and system Download PDFInfo
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- CN100521640C CN100521640C CNB2007100729666A CN200710072966A CN100521640C CN 100521640 C CN100521640 C CN 100521640C CN B2007100729666 A CNB2007100729666 A CN B2007100729666A CN 200710072966 A CN200710072966 A CN 200710072966A CN 100521640 C CN100521640 C CN 100521640C
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Abstract
The method comprises: a1) crossing N routes of CE1 in CE1 star network into one route of CE1; a2) using virtual Ethernet bridging approach to map the one route of CE1 to N virtual Ethernet ports in order to build connection to Ethernet. The invention also reveals a star networking system. The invention uses time slot cross distributor and channelizing router to connect CE1 star network to Ethernet network to make overall network to look like a transparent transmission star Ethernet so as to implement the smooth transition of overall IP transmission.
Description
Technical field
The present invention relates to the complete IP network technology, particularly utilize existing C E1 star network resource, realize being smoothly transitted into a kind of LAN-WAN-LAN star net forming method and the system of all-IP transmit stage from existing network.
Background technology
The monitor data transmission equipment is the part of Room Power environmental monitoring system, and this kind equipment of the prior art mainly is to adopt serial mode such as RS422 bus to be connected to front end processor by suitable transfer resource.The major defect of existing monitor data transmission equipment is as follows: 1. data communication bandwidth is not high; 2. being not easy to network management safeguards.
The all-IP system can overcome above shortcoming effectively, and the all-IP architecture is the viewpoint that industry is held future network, and future network should provide the plurality of access modes that can integrate smoothly with IP packet network layer.The seamless integrated various access waies of all-IP energy are as all being integrated into broadband, mobile Internet and existing wireless system in the IP covering.IP allows to provide all communication services by a kind of network infrastructure, voice, data and multimedia service can be integrated.Complete IP network will provide many benefits for operator, comprise the saving cost, improve transmission rate, strengthen extensibility and flexibility, improve the network operational paradigm, be beneficial to and release various brand-new, competitive services, open up new revenue source.Therefore, complete IP network is the trend of development communication technologies.
And in the network of laying at present, since star net forming have mode simple, be easy to seek that network failure, maintenance and engineering are convenient, the link of signal process is few, circuit reliability is than advantages such as height, a lot of occasions have all adopted CE1 (channel E1, Channelized E1 can divide time slot) star net forming method.
How to make full use of existing C E1 star network resource, realize that being smoothly transitted into the all-IP transmit stage from existing network is that we go back open question at present.
Summary of the invention
The object of the present invention is to provide a kind of star net forming method and system, under the situation that does not change existing infrastructure, realize being smoothly transitted into complete IP network from the existing E1 channel stellate reticulum that can divide time slot.In the application's description, for simplicity, the E1 channel that now can divide time slot is defined as CE1, with the description as the specification part.
The technical solution adopted for the present invention to solve the technical problems is: a kind of star net forming method, may further comprise the steps: A1, the road E1 channel that can divide time slot in the selected stellate reticulum is as designated lane, and the specific transactions time slot that other N roads can be divided in the E1 channel of time slot is multiplexed into described designated lane by the time slot interleaved mode; A2 utilizes the virtual ethernet bridging technology that N the time slot mapping of using in the described designated lane is N Virtual Ethernet, constitutes switching network with Ethernet.
Further, the E1 channel data that described N can divide on the road time slot takies described one tunnel time slot can dividing the E1 channel of time slot, 1≤N≤31 respectively.
To Ethernet be: the Ethernet data bag is analyzed, be converted to the CE1 data, send to the corresponding virtual ethernet port to the processing procedure of the data of CE1 stellate reticulum transmission; The corresponding virtual Ethernet interface receives these data and sends to the crosspoint by one road CE1; Described data are carried out sending on the corresponding CE1 circuit behind the demultiplexing.
The present invention also provides a kind of star net forming system, comprises Ethernet and CE1 stellate reticulum, also comprises the router of time slot interleaver and band channelizing CE1; Described time slot interleaver respectively with the CE1 stellate reticulum in the CE1 bridge link to each other with described router; Described router also links to each other with network node in the Ethernet.
Concrete, described time slot interleaver can be digital cross connect equipment DXC or base station controller BSC, is used for N road CE1 data multiplex is gone up or is N road CE1 data with the data demultiplexing of one road CE1 to one road CE1.Road CE1 after the router of described band channelizing CE1 is used to utilize the virtual ethernet bridging technology to converge is mapped as N Virtual Ethernet.Wherein, 1≤N≤31.
The present invention couples together CE1 stellate reticulum and Ethernet by the router of time slot interleaver and band channelizing, makes whole network can regard the star Ethernet of a transparent transmission as.Under the situation that does not change existing infrastructure, realized seamlessly transitting of all-IP transmission with minimum cost.
Description of drawings
Fig. 1 is a kind of system construction drawing of star net forming of the present invention system.
Fig. 2 is the another kind of system construction drawing of star net forming of the present invention system.
Embodiment
The present invention is further elaborated with specific embodiment with reference to the accompanying drawings below.
A kind of star net forming of the present invention system comprises Ethernet (LAN), CE1 stellate reticulum (belonging to wide area network WAN) and router one 1 and the time slot interleaver 12 of band channelizing CE1 that Ethernet and CE1 stellate reticulum are coupled together.Wherein, time slot interleaver 12 respectively with the CE1 stellate reticulum in CE1 bridge 14 link to each other with router one 1.Router one 1 also links to each other with network nodes 13 such as Ethernet switch, data server, video server, video browser or data browser in the Ethernet.CE1 bridge 14 has function of exchange, can be with the two-way forwarding of data flow of Ethernet and CE1 mouth (being WAN).All collectors 15 and smart machine 16 that the CE1 bridge of CE1 stellate reticulum connects for 14 times all are IP (InternetProtocol, Internet protocol) equipment, like this, the Ethernet that is connected for 14 times by router one 1, time slot interleaver 12, CE1 bridge 14 and the CE1 bridge of Ethernet, band channelizing CE1 has been formed LAN-WAN-LAN star net forming of the present invention system.
In one embodiment of the present of invention, time slot interleaver 12 can be DXC (digital cross connect equipment), as DXC-16.Corresponding, router one 1 can adopt MP2600E modularization secure router, as shown in Figure 1.Like this, by DXC M road (1≤M≤31) CE1 is crossed to one road CE1.The router one 1 of band channelizing CE1 utilizes road CE1 after the virtual ethernet bridging technology converges DXC to be mapped as M Virtual Ethernet.Whole network can be regarded the star Ethernet of a transparent transmission as.
With 4 road CE1 (being M=4) is example (as shown in Figure 1), and wherein, each road CE1 takies 1 time slot of CE1, the configuration of router one 1 following (CE1 is on 0 groove position, with the switch or the server communication of fastethernet0 interface and Ethernet):
At first, set up 4 passages, i.e. s0/0:1-s0/0:4
controller?CE1?0/0
channel-group?1?timeslots?1
channel-group?2?timeslots?2
channel-group?3?timeslots?3
channel-group?4?timeslots?4
Then, configuration CE1 passage Virtual Ethernet, the passage of each serial (serial) is the Virtual Ethernet of a corresponding virtualethernet (virtual ethernet) all, and all virtualethernet and Ethernet interface all belong to same bridge-group (bridge section):
interface?virtualethernet0
bridge-group?1
exit
interface?virtualethernetl
bridge-group?1
exit
interface?virtualethernet2
bridge-group?1
exit
interface?virtualethernet3
bridge-group?1
exit
interface?fastethernet0
bridge-group?1
exit
interface?s0/0:1
encapsulation?virtualethernet?virtualethernet?0
exit
interface?s0/0:2
encapsulation?virtualethernet?virtualethernet?1
exit
interface?s0/0:3
encapsulation?virtualethernet?virtualethernet?2
exit
interface?s0/0:4
encapsulation?virtualethernet?virtualethernet?3
exit
Clock adopts line clock.
The setting of CE1 bridge 14: the CE1 bridge is set to used time slot and bandwidth according to actual conditions, and clock adopts line clock.
At last, (11# 12#) is connected with the CE1 bridge respectively 4 CE1 interfaces of usefulness DXC-16 for 8#, 9#; Be connected with the CE1 module of MP2600E with the 10#CE1 mouth.Clock adopts internal clock.
Dispose as table 1:
| Source CE1 | Source CE1 time slot | Purpose CE1 | Purpose CE1 time slot |
| 2-3#CE1 | The 30# time slot | 2-2#CE1 | The 1# time slot |
| 1-8#CE1 | The 1# time slot | 2-2#CE1 | The 2# time slot |
| 2-4#CE1 | The 1# time slot | 2-2#CE1 | The 3# time slot |
| 2-1#CE1 | The 30# time slot | 2-2#CE1 | The 4# time slot |
Annotate: go up the 8CE1～12CE1 interface on 1-8#CE1,2-1#CE1 in the table, 2-2#CE1,2-3#CE1, the corresponding DXC16 panel of 2-4#CE1 difference.
Simultaneously, store addressing list on the router one 1, all pass through addressing by the data of router one 1 and handle back output.
Like this, from the CE1 stellate reticulum be to the processing procedure of the M road CE1 data of Ethernet transmission:
S10, DXC to CE1, send to the router one 1 of band channelizing with the CE1 data multiplex that receives.
S11,1 pair of data that receive of router one are analyzed, and table look-up, and the CE1 data are converted to the Ethernet data bag, then packet are sent to the corresponding node of Ethernet by the corresponding virtual ethernet port.
Accordingly, from Ethernet be to the processing procedure of the data of CE1 stellate reticulum transmission:
S20, the Ethernet data bag that 1 pair of router one receives is analyzed, and obtains destination address, is converted to the CE1 data, according to this destination address data is sent to the corresponding virtual ethernet port.
S21, corresponding virtual Ethernet interface receive these data and send to DXC by one road CE1.
S22, DXC carries out sending to corresponding CE1 bridge 14 behind the demultiplexing to described data.
In other embodiments of the invention, time slot interleaver 12 can be BSC (base station controller), and router one 1 can adopt the router one 1 identical with above-mentioned example, MP2600E modularization secure router, as shown in Figure 2.At this moment, BSC links to each other with CE1 bridge 14 by BTS (base station transceiver, as among the figure 17).BSC is between base station and the local movements control center (or local switch), and its major function is RRM, base station link management, calls out control, login and authentication control, switching controls etc.Can realize the function of DXC by configuration.In the present embodiment, the configuration of router one 1 can be identical with the configuration of router one among Fig. 11.Like this, by BSC M road (1≤M≤31) CE1 is crossed to one road CE1, the router one 1 of band channelizing CE1 utilizes road CE1 after the virtual ethernet bridging technology converges BSC to be mapped as M Virtual Ethernet.Same, whole network can be regarded the star Ethernet of a transparent transmission as.
Claims (5)
1, a kind of star net forming method is characterized in that, may further comprise the steps:
A1, the road E1 channel that can divide time slot in the selected stellate reticulum be as designated lane, and the specific transactions time slot that other N roads can be divided in the E1 channel of time slot is multiplexed into described designated lane by the time slot interleaved mode;
A2 utilizes the virtual ethernet bridging technology that N the time slot mapping of using in the described designated lane is N Virtual Ethernet, constitutes switching network with Ethernet.
2, star net forming method according to claim 1 is characterized in that: the E1 channel data that described N can divide on the road time slot takies described one tunnel time slot can dividing the E1 channel of time slot, 1≤N≤31 respectively.
3, star net forming method according to claim 1 is characterized in that, to Ethernet to the processing procedure of the data of the E1 channel stellate reticulum transmission that can divide time slot is:
The Ethernet data bag is analyzed, be converted to the E1 channel data that to divide time slot, send to the corresponding virtual ethernet port;
Described Virtual Ethernet receives these data and sends to the crosspoint by one tunnel E1 channel that can divide time slot;
Described data are carried out sending to correspondence behind the demultiplexing can divide on the E1 channel lines of time slot.
4, a kind of star net forming system comprises Ethernet and can divide the E1 channel stellate reticulum of time slot, it is characterized in that: comprise that also time slot interleaver and band channelizing can divide the router of the E1 channel of time slot; Described time slot interleaver respectively with the E1 channel stellate reticulum that can divide time slot in E1 channel 1 bridge of the time slot divided link to each other with described router; Described router also links to each other with network node in the Ethernet; Described time slot interleaver is digital cross connect equipment DXC or base station controller BSC, is used for that the E1 channel data that time slot can be divided in the N road is multiplexed into one the tunnel and can divides on the E1 channel of time slot or one tunnel data demultiplexing that can divide the E1 channel of time slot can be divided the E1 channel data of time slot for the N road; The road E1 channel Mapping that can divide time slot after the router that described band channelizing can be divided the E1 channel of time slot is used to utilize the virtual ethernet bridging technology to converge is N Virtual Ethernet.
5, star net forming according to claim 4 system is characterized in that: 1≤N≤31.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100729666A CN100521640C (en) | 2007-01-15 | 2007-01-15 | Star net forming method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100729666A CN100521640C (en) | 2007-01-15 | 2007-01-15 | Star net forming method and system |
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| Publication Number | Publication Date |
|---|---|
| CN101005429A CN101005429A (en) | 2007-07-25 |
| CN100521640C true CN100521640C (en) | 2009-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2007100729666A Expired - Fee Related CN100521640C (en) | 2007-01-15 | 2007-01-15 | Star net forming method and system |
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| CN102457426B (en) * | 2010-10-25 | 2014-07-09 | 深圳中兴力维技术有限公司 | Convergent type Ethernet over plesiochronous digital hierarchy (EoPDH) network bridge equipment and data transmission method thereof |
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Address after: Nanshan District Xueyuan Road in Shenzhen city of Guangdong province 518055 No. 1001 Nanshan Chi Park B2 building 1-4 floor, building 6-10 Patentee after: VERTIV TECH Co.,Ltd. Address before: 518057 Nanshan District science and Technology Industrial Park, Guangdong, Shenzhen Branch Road, No. Patentee before: EMERSON NETWORK POWER Co.,Ltd. |
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Effective date of registration: 20191203 Address after: 215000 Building 1, No. 296, Longxi Road, Wuzhong District, Suzhou City, Jiangsu Province Patentee after: SUZHOU SHIHAO BUILDING MATERIAL NEW TECHNOLOGY ENGINEERING Co.,Ltd. Address before: Nanshan District Xueyuan Road in Shenzhen city of Guangdong province 518055 No. 1001 Nanshan Chi Park B2 building 1-4 floor, building 6-10 Patentee before: VERTIV TECH Co.,Ltd. |
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Granted publication date: 20090729 Termination date: 20220115 |