CN100481774C - Method for establishing configuration management operation channel and networking device communication - Google Patents
Method for establishing configuration management operation channel and networking device communication Download PDFInfo
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Abstract
The invention discloses a building method of allocating management operational channel, which is fit for data communication between remote equipment and main equipment through logic allocating management operation C& M channel to communicate data, wherein the logic C& M channel is divided into one public C& M channel and multiple specific C& M channels. The invention also provides a communicating method of net equipment to communicate data between remote equipment and main equipment through allocating management operation C& channel, which comprises the following steps: A. obtaining corresponding specific allocating managing operational channel number through remote equipment; B. communicating according to the specific allocating managing operational channel and main equipment. The invention reduces the disposal load on each joint effectively, which improves the real-time respond ability and broad band utility of the system.
Description
Technical field
The present invention relates to the networking technology in the wireless communication system, particularly relate to and set up configuration management operation (C﹠amp in a kind of distributed apparatus system; M) passage and networking equipment method for communicating.
Background technology
Development along with 3G (Third Generation) Moblie technology (3G), the distributed apparatus system is made of remote device 11 (MU) and main equipment 12 (RU), be connected by optical fiber (or cable) between described MU and the RU, specifically as shown in Figure 1, can adopt various protocols to realize data communication between described MU and the RU.In order to realize the data communication between MU and the RU, need the corresponding data link of design.Present technology is the CPRI agreement for example, is to use a logical channel between MU and RU equipment, adopts HDCL agreement or ETHNET agreement to carry out by configuration management operation (C﹠amp; M) passage carries out data interaction.But,, in the reciprocal process of data, share a logic configuration bookkeeping (C﹠amp for the system of a MU (such as MU21) for a plurality of RU (such as RU22 and RU23); M) passage, as shown in Figure 2.In like manner, for star-like connection, the connection of tree type and annular connection etc., all there is independently C﹠amp between a MU and each RU; The M collocation channel.
This shows that in the prior art, described MU and RU equipment room have only a public C﹠amp in logic; The M collocation channel, situation about being connected with RU for a plurality of MU is owing to also exist a public C﹠amp; The M collocation channel, though this link connects the design simplified connection protocol, data alternately in have a following technical shortcoming:
1) each node all needs on this logical channel all data to be taken down, and discern this message according to object identity ID in the data content and whether belong to this node, the load of the processing of each modal processor of Zeng Jiaing greatly, treatment effeciency is very low;
2) owing to logical channel of a plurality of nodes sharing, a plurality of nodes need be to this logical channel competition right to occupation.For the node that does not obtain access right, can not carry out interacting message like this, reduce the ability of system's real-time response; Because connect bandwidth of an optical fiber is effectively, and we can not adopt the mode of the very big public passage of bandwidth of design to guarantee the real-time of message response.Its former because: if the bandwidth of public passage is excessive, then taken the bandwidth of user plane data transfer; Because C﹠amp; The characteristics of M passage require little in the ordinary course of things to real-time, as configuration, and file transfer etc., therefore the too big bandwidth public passage of design has just been wasted the fiber bandwidth resource; And if design too smallly, when some crucial message is needed real-time Transmission, can not guarantee real-time again, as the transmission of the message of seriously being in an emergency.
3) owing to need the corresponding competition mechanism of design, cause the bandwidth availability ratio of this logical channel to reduce.Adopt HDLC agreement or ETHERNET agreement no matter be in the prior art, its essence needs that all bus is carried out collision detection and carries out the bus contention ruling, in case finding bus during this node application bus is occupied by other contact, then this node can postpone once more bus to be applied for after a period of time according to certain principle, has reduced the utilization of bus effective bandwidth so virtually.
Summary of the invention
The technical problem that the present invention solves provides a kind of method of setting up configuration management operating walk way and networking equipment, owing to only exist a common configuration bookkeeping passage to realize communicating by letter between main equipment and a plurality of remote devices, and when communication, can not effectively reduce the processing load on each node, the ability of raising system real-time response and the problem of bandwidth availability ratio to solve in the present technology.
For addressing the above problem, the invention provides a kind of method of setting up the configuration management operating walk way, this method is applicable between remote device and the main equipment by logic configuration bookkeeping C﹠amp; The M passage carries out data communication, wherein, and with described logic C﹠amp; The M passage is divided into a public C﹠amp according to different functions of use; M passage and a plurality of special-purpose C﹠amp; The M passage, described public C﹠amp; The M passage is used to provide the both sides of communication to set up the ability of communication, described special-purpose C﹠amp when not knowing the other side's relevant information; The M passage is used for communicating pair and knows communicating to connect of the point-to-point set up after the other side's the relevant information.
Preferably, if having a plurality of logic C﹠amp between main equipment and a plurality of remote device; The M passage is then with described a plurality of logic C﹠amp; The M passage is divided into a public C﹠amp according to different agreements respectively; M passage and a plurality of special-purpose C﹠amp; The M passage.
Preferably, pass through public C﹠amp between a plurality of main equipments and a plurality of remote device; The M passage communicates; Pass through corresponding special-purpose C﹠amp between its corresponding remote device of main equipment; The M tunneling traffic.
Preferably, adopt Ethernet protocol with described public and special-purpose C﹠amp; The M passage is encapsulated as public and the dedicated ethernet passage.
Preferably, in described public ethernet channel, adopt the broadcast mode of Ethernet or IP to carry out data communication; In described dedicated ethernet passage, carry out IP communication.
Preferably, the detailed process of described communication is: main equipment is broadcasted the information that has the remote device sign in public ethernet channel, each remote device obtains the MAC/IP address information of its corresponding dedicated ethernet passage according to the sign of itself from this broadcast, and uses this dedicated ethernet passage to carry out data communication.
Preferably, adopt High-Level Data Link Control HDLC agreement with described logic C﹠amp; The M passage is encapsulated as public C﹠amp; M passage and a plurality of special-purpose C﹠amp; The M passage.
Preferably, adopt Ethernet protocol with public C﹠amp; The M passage is encapsulated as the Ethernet public passage; Adopt the HDLC agreement with described a plurality of special-purpose C﹠amp; The M passage is encapsulated as a plurality of specialized configuration passages.
In addition, the present invention also provides a kind of communication means of networking equipment, and this method is applicable between remote device and the main equipment by logic C﹠amp; The M passage carries out the communication of data, with described logic C﹠amp; The M passage is divided into a public C﹠amp; M passage and a plurality of special-purpose C﹠amp; Behind the M passage, described method comprises step:
A, remote device by and main equipment between public C﹠amp; The M passage obtains corresponding special-purpose C﹠amp; The channel number of M passage;
B, according to described special-purpose C﹠amp; The special-purpose C﹠amp of M channel number correspondence; M passage and main equipment communicate.
Preferably, the process of obtaining described in the steps A is:
Remote device is by public C﹠amp; The M passage inserts request message to the main equipment broadcast transmission;
Described main equipment is according to the access request message that receives, for this remote device distributes corresponding special-purpose C﹠amp; The channel number of M passage, and with its feedback.
Preferably, insert self flag information that comprises this remote device in the request message described in the steps A.
By above-mentioned disclosed technical scheme as can be known, the present invention passes through the logic C﹠amp between main equipment and the remote device; The M passage is divided into a public C﹠amp; M passage and a plurality of special-purpose C﹠amp; The M passage, not only guarantee the bandwidth that is connected between MU and the RU node, also effectively reduced the processing load of node device processor simultaneously, strengthened the real-time response ability of system, and the flexibility of communicating by letter between system node, promptly RU and corresponding MU are by special-purpose C﹠amp; The M tunneling traffic, each node on the network can pass through public C﹠amp; The M passage is communicated by letter in twos.
Description of drawings
Fig. 1 is the structural representation of distributed apparatus in the prior art;
Fig. 2 is the structural representation of a main equipment and a plurality of remote devices in the prior art;
Fig. 3 is public and special-purpose C﹠amp in the method for setting up the configuration management operating walk way of the present invention; The structural representation of M passage;
Fig. 4 is that a plurality of MU of the present invention manage a plurality of RU equipment connection diagrams respectively;
Fig. 5 is the schematic diagram that the present invention realizes the specification protocol that MU is connected with RU;
Fig. 6 is the schematic diagram that MU of the present invention is connected with RU;
Fig. 7 is the logical channel schematic diagram between MU of the present invention and the RU;
Fig. 8 is the flow chart of the communication means of networking equipment of the present invention.
Embodiment
Core of the present invention is a main equipment in the distributed apparatus system and a logic configuration bookkeeping (C﹠amp between the remote device; M) passage is being divided into a public C﹠amp; M passage and many special-purpose C﹠amp; The M passage; Or with many logic C﹠amp; The M passage is divided into a public C﹠amp respectively; M passage and many special-purpose C﹠amp; The M passage.Only there is a logic C﹠amp to solve in the present technology at main equipment and remote device; Promptly only there is a logic C﹠amp in the deficiency that the M passage exists; The M passage is realized communicating by letter between main equipment and a plurality of remote devices, and when communication, can not effectively reduce the processing load on each node, the ability that improves system's real-time response and the problem of bandwidth availability ratio.
The present invention is further illustrated below in conjunction with accompanying drawing.
See also Fig. 3, be public and special-purpose C﹠amp in the method for setting up the configuration management operating walk way of the present invention; The structural representation of M passage.This method is applicable between remote device and the main equipment by logic configuration bookkeeping C﹠amp; The M passage carries out data communication, wherein, and with described logic C﹠amp; The M passage is divided into a public C﹠amp; M passage and a plurality of special-purpose C﹠amp; The M passage.That is to say, divide logic configuration bookkeeping passage, described public C﹠amp according to function of use; The M passage is used to provide the both sides of communication to set up the ability of communication when not knowing the other side's relevant information (such as mailing address), and described special-purpose C﹠amp; The M passage is used for communicating pair and has known communicating to connect of the point-to-point set up after the other side's the relevant information.In addition, if having a plurality of logic C﹠amp between main equipment and a plurality of remote device; The M passage is then with described a plurality of logic C﹠amp; The M passage is divided into a public C﹠amp respectively; M passage and a plurality of special-purpose C﹠amp; The M passage.
For the ease of those skilled in the art's understanding, before explanation the present invention, please refer to following technology:
The distributed system that arrives involved in the present invention is made of main equipment (MU) and remote equipment (RU), described MU is connected by optical fiber with data communication between the RU, and the typical network construction form of MU and RU can have various ways, such as, star-like connection: this topological form generally is to be made of a main equipment and a plurality of remote device, realizes the connection of point-to-point between main equipment and the different remote devices by optical fiber; Chain connects: plant topological form and be made of a main equipment and a plurality of remote device, it is interconnected step by step that MU and a plurality of RU equipment pass through optical fiber, and RU is connected with the point-to-point that is connected between the RU; The tree type connects: this topological form is made of a main equipment and a plurality of remote device, the similar arboreal growth of connected mode of one of them RU equipment and other RU equipment; Annular connects: this topological form is made of a MU equipment and a plurality of RU equipment, directly connects into ring-type by optical fiber between the equipment.But, in ring topology, the C﹠amp between a plurality of RU and the MU; The M passage can be one, also can for a plurality of be that each RU and MU have independently C﹠amp; The M collocation channel.
But, in the application of reality, the form that a plurality of MU and a plurality of RU equipment networks also may occur, difference and above topology connected mode, promptly a MU can manage a plurality of RU unit simultaneously, a plurality of MU (such as MU41 and MU42) manage a plurality of RU (such as RU41 and RU42) equipment respectively, but a RU can only be by a MU equipment control.The typical connection is illustrated in fig. 4 shown below.
From top description as can be known, in distribution apparatus, connect by optical fiber between the equipment.But in actual applications, because star-like connection need be used a large amount of fiber resources, the cost of construction network is higher, therefore application scenarios seldom, networking mode between actual MU and RU mostly is chain/tree type, because loop network has good redundant safety characteristic, although the number of fibers of its use is many than chain/tree type, but still certain application scenarios is arranged.
Therefore, by understanding, be connected to example with chain below implementation procedure of the present invention is described above-mentioned technology.
In chain connected, a MU equipment need be managed a plurality of RU equipment, and promptly MU equipment and a plurality of RU equipment need pass through C﹠amp; The M passage realizes that data message is mutual.As can be known, RU equipment is connected by optical fiber with MU equipment from foregoing description, in order to realize configuration management data mutual between RU and the MU equipment, needs to formulate certain connection specification protocol, as shown in Figure 5:
In order to realize RU and MU peer layer (user plane, configuration management plane, Synchronization Control plane), need on the basis of physical connections such as optical fiber or cable, make up the transmission control interface.The data of user plane are transmitted in the mode of IQ data, C﹠amp; The data on M plane are with Ethernet (ETHERNET) or high speed data link control (HDLC) protocol transmission, and transmit by agreement control in the physical layer band on the Synchronization Control plane, specifically as shown in Figure 6.
For the situation that MU is connected with a plurality of RU, RU has two ports in this Fig. 5, and one of them port is connected with MU, and the another one port is connected with another RU, in this no longer detailed description.
This shows for each node device, master port Master is arranged all and from port Slave, the master port of MU equipment is connected from port with RU equipment, being connected of the RU equipment of the master port of RU equipment and next stage from port.Under the situation that annular connects, being connected of MU equipment from the master port of port with the RU equipment of afterbody.By such mode, a plurality of equipment couple together with regard to the one-level one-level, form various network topologies according to different connected modes.
By above-mentioned agreement, between MU and RU, formed logical channel as shown in Figure 7: comprise three logical channels in the figure: synchronous logic interface channel, logic configuration bookkeeping passage (C﹠amp; M) and IQ logic interface channel.
And key of the present invention be exactly on the above-mentioned basis with the (C﹠amp of the logic configuration bookkeeping passage between described MU and the RU; M) be divided into a public C﹠amp according to different agreements; M passage and a plurality of special-purpose C﹠amp; The M passage.If have the mutual of configuration information between a plurality of MU and a plurality of RU, promptly have a plurality of independently logic C﹠amp; The M passage is then with described a plurality of independently logic C﹠amp; The M passage is divided into a public C﹠amp respectively; M passage and a plurality of special-purpose C﹠amp; The M passage.So that a plurality of node devices can pass through public C﹠amp; The M logical channel is carried out interacting message, and each equipment all has special-purpose C﹠amp; The M logical channel is connected with MU equipment, and realizes mutual between the configuration information.Its concrete implementation procedure is:
If to logic C﹠amp; The M channels designs adopts Ethernet protocol, is about to the C﹠amp of public and a plurality of special uses; The M passage all is designed to ethernet channel.Wherein, on public ethernet channel, adopt the mode of Ethernet or IP broadcast to carry out data communication; Communicate by letter and on designated lane, carry out IP.In the transmission course of data, owing to adopted the net view transmission of IP or ether association in the public ethernet channel, the both sides of communication need know medium access control (MAC) address and the IP address of opposite end, because each node device of starting stage is not known this information, on public ethernet channel, carry out broadcast communication so adopt, so just do not need to know the MAC/IP address of Correspondent Node.Owing to carry the sign ID of RU in the message of broadcast communication, each node device (such as RU) just can receive one's own broadcast by this ID on the Ethernet public passage, and abandons the broadcast of non-node own.Simultaneously, RU can correctly use the dedicated ethernet passage according to the MAC/IP address information of the corresponding designated lane that carries in this broadcast.This shows that more than describing is a kind of implementation method of the present invention, still, the present invention is not limited to this method, also can adopt the HDLC agreement with logic C﹠amp; The M channels designs becomes public/designated lane, also can adopt Ethernet protocol design public passage, and adopt a plurality of designated lanes of HDLC design of protocol to adopt or the like, and implementation procedure and said method that it is concrete are basic identical, just repeat no more at this.
In addition, in the process of transfer of data, the present invention is only with logic C﹠amp; The M passage is divided into a public C﹠amp; M passage and a plurality of special-purpose C﹠amp; The M passage, other passage (such as synchronous logic passage and IQ logical channel) still exists, and itself and prior art are identical, specifically see for details above-mentioned.
The present invention by above-mentioned to logic C﹠amp; The method for designing of M passage, a plurality of node devices of distributed apparatus can pass through public C﹠amp; The M passage carries out interacting message; Described message comprises: configuration messages, alarm information, program download message or the like; And each node device all has special-purpose C﹠amp; The M passage is connected with MU equipment, although the bandwidth of special logic passage is not very big, it can provide reliable bandwidth, is beneficial to the transmission of real-time key message.
Implementation of the present invention just as in the radio open agreement, is divided into common transmission passage and dedicated transmission channel with transmission channel.A plurality of node devices are utilizing the common logic passage to carry out interacting message, but need before message, increase the sign of node, each node device identifies according to this judges whether this message belongs to this node, in order to reduce the treating capacity of each node device message, in common logic transmission channel message transmitted is basic configuration message, for example which special logic passage the MU node distributes give specific RU equipment, in case after finishing basic configuration, MU can carry out on the special logic passage with communicating by letter of RU equipment, has reduced the treating capacity of each node device message so greatly.
Described with a logic C﹠amp; The M passage is divided into a public C﹠amp; M passage and many special-purpose C﹠amp; In the time of the M passage, also with this logic C﹠amp; The bandwidth of M passage is divided into corresponding many logical channels and (comprises public and special-purpose C﹠amp; The M passage), from the surface, the bandwidth of each bar logical channel has all reduced, but in fact, the bandwidth of these logical channels is determined, does not need and other nodes sharing; Simultaneously owing to do not need to carry out resource contention with other nodes, the effective rate of utilization of the bandwidth of Ti Gaoing in fact.
This shows that the design to passage of the present invention not only is applicable to being connected of a MU and a plurality of RU equipment, and is more outstanding when particularly being connected with a plurality of RU equipment for a plurality of MU.That is to say that a plurality of node devices promptly can pass through public C﹠amp; The M passage carries out necessary interacting message, each MU equipment can also by with the special-purpose C﹠amp of specific (or corresponding) with it; The RU equipment that the M passage is corresponding with it carries out message communicating, and the communication between each node device is communicated by letter uncorrelatedly mutually with other MU/RU like this, does not disturb mutually.
In addition, the present invention also provides a kind of communication means of networking equipment, and this method is applicable between remote device and the main equipment by configuration management operation C﹠amp; The M passage carries out the communication of data, and its flow chart sees the described method of Fig. 8 for details and comprises:
Step S11: remote device inserts request message by common configuration bookkeeping passage to the main equipment broadcast transmission, comprises self flag information of this remote device in the described access request message;
Step S12: the access request message that described main equipment basis receives, for this remote device distributes corresponding specialized configuration bookkeeping channel number, and with its feedback;
Step S13: communicate according to described specialized configuration bookkeeping passage and main equipment.
The method of the invention is mainly finished the access process of RU side.For RU, common configuration bookkeeping (C﹠amp; M) passage always exists, and need not configuration information and just can use, and each RU can be at public C﹠amp; Receive and dispatch broadcast message on the M passage; And special-purpose C﹠amp; The use of M passage is partly to be disposed by the operation and maintenance of MU side, and which bar dedicated transmission channel RU can not independently select to use, but earlier by and MU between public C﹠amp; The M passage obtains the special-purpose C﹠amp corresponding with it; (described configuration information comprises the special-purpose C﹠amp corresponding with it to the configuration information of M passage; The M channel number) can use this special use C﹠amp after; The M passage.Its concrete implementation procedure is:
RU enables public C﹠amp; The M passage, and by this public C﹠amp; The M passage inserts request message to the MU broadcast transmission, wherein, carries the flag information of self in the described request message, and simultaneously, RU monitors public C﹠amp; The M passage receives all public C﹠amp; Message on the M passage, and abandon the message that is not to oneself; Described MU waits for and receives all public C﹠amp; Access request message on the M passage in case receive the access request message, is just watched local data base, is corresponding RU allocation process resource, and described processing resource comprises the special-purpose C﹠amp that this RU communicates by letter with MU; The M channel number, and it is fed back in the mode of replying; Described RU is from public C﹠amp; After receiving the response message that the MU side replys on the M passage,, and RU is switched to dedicated transmission channel communicate by letter with MU according to message content configuration RU; RU side so far access process finishes; The public C﹠amp of described MU side; The M passage is in open mode all the time, waits for that corresponding RU dynamically inserts.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (11)
1, a kind of method of setting up the configuration management operating walk way, this method are applicable between remote device and the main equipment by logic configuration bookkeeping C﹠amp; The M passage carries out data communication, it is characterized in that, with described logic C﹠amp; The M passage is divided into a public C﹠amp according to different functions of use; M passage and a plurality of special-purpose C﹠amp; The M passage, described public C﹠amp; The M passage is used to provide the both sides of communication to set up the ability of communication, described special-purpose C﹠amp when not knowing the other side's relevant information; The M passage is used for communicating pair and knows communicating to connect of the point-to-point set up after the other side's the relevant information.
2, according to the described method of setting up the configuration management operating walk way of claim 1, it is characterized in that, if having a plurality of logic C﹠amp between main equipment and a plurality of remote device; The M passage is then with described a plurality of logic C﹠amp; The M passage is divided into a public C﹠amp according to different agreements respectively; M passage and a plurality of special-purpose C﹠amp; The M passage.
3, according to the described method of setting up the configuration management operating walk way of claim 1, it is characterized in that, pass through public C﹠amp between a plurality of main equipments and a plurality of remote device; The M passage communicates; Pass through corresponding special-purpose C﹠amp between its corresponding remote device of main equipment; The M tunneling traffic.
4, according to claim 1 or the 3 described methods of setting up the configuration management operating walk way, it is characterized in that, adopt Ethernet protocol described public and special-purpose C﹠amp; The M passage is encapsulated as public and the dedicated ethernet passage.
5, according to the described method of setting up the configuration management operating walk way of claim 4, it is characterized in that, in described public ethernet channel, adopt the broadcast mode of Ethernet or IP to carry out data communication; In described dedicated ethernet passage, carry out IP communication.
6, according to the described method of setting up the configuration management operating walk way of claim 5, it is characterized in that, the detailed process of described communication is: main equipment is broadcasted the information that has the remote device sign in public ethernet channel, each remote device obtains the MAC/IP address information of its corresponding dedicated ethernet passage according to the sign of itself from this broadcast, and uses this dedicated ethernet passage to carry out data communication.
7, according to claim 1 or the 3 described methods of setting up the configuration management operating walk way, it is characterized in that, adopt High-Level Data Link Control HDLC agreement described logic C﹠amp; The M passage is encapsulated as public C﹠amp; M passage and a plurality of special-purpose C﹠amp; The M passage.
8, according to claim 1 or the 3 described methods of setting up the configuration management operating walk way, it is characterized in that, adopt Ethernet protocol public C﹠amp; The M passage is encapsulated as the Ethernet public passage; Adopt the HDLC agreement with described a plurality of special-purpose C﹠amp; The M passage is encapsulated as a plurality of specialized configuration passages.
9, a kind of communication means of networking equipment, this method are applicable between remote device and the main equipment by logic C﹠amp; The M passage carries out the communication of data, it is characterized in that, with described logic C﹠amp; The M passage is divided into a public C﹠amp; M passage and a plurality of special-purpose C﹠amp; Behind the M passage, comprise step:
A, remote device by and main equipment between public C﹠amp; The M passage obtains corresponding special-purpose C﹠amp; The channel number of M passage;
B, according to described special-purpose C﹠amp; The special-purpose C﹠amp of M channel number correspondence; M passage and main equipment communicate.
According to the communication means of the described networking equipment of claim 9, it is characterized in that 10, the process of obtaining described in the steps A is:
Remote device is by public C﹠amp; The M passage inserts request message to the main equipment broadcast transmission;
Described main equipment is according to the access request message that receives, for this remote device distributes corresponding special-purpose C﹠amp; The channel number of M passage, and with its feedback.
11, according to the communication means of the described networking equipment of claim 10, it is characterized in that, insert self flag information that comprises this remote device in the request message described in the steps A.
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Non-Patent Citations (2)
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| 多跳无线网络中信道接入与分布式路由的结合. 马龙，范宏伟.电子科技，第2005卷第4期. 2005 |
| 多跳无线网络中信道接入与分布式路由的结合. 马龙，范宏伟.电子科技，第2005卷第4期. 2005 * |
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