CN1881928A - Method for managing and controlling data transmission based on optical fibre - Google Patents
Method for managing and controlling data transmission based on optical fibre Download PDFInfo
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- CN1881928A CN1881928A CNA2005100753774A CN200510075377A CN1881928A CN 1881928 A CN1881928 A CN 1881928A CN A2005100753774 A CNA2005100753774 A CN A2005100753774A CN 200510075377 A CN200510075377 A CN 200510075377A CN 1881928 A CN1881928 A CN 1881928A
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Abstract
The invention relates to a method for transmitting manage control data, based on optical fiber, which comprises: the near node packs the optical fiber device into independent Ethernet device, to distribute one mac address and an IP address; the remote node packs the optical fiber devices that connecting superior and lower optical fiber devices into one Ethernet device, to only distribute one mac address and one IP address; sending the mac data pack of IP layer; receiving the data of optical fiber. With said invention, there is full-IP connection between near and remote nodes, to use mature TCP/IP protocol, with simple setting of static route and easy automatic program, while part route relation is processed at the IP device driving layer, to reduced the needed resource.
Description
Technical field
The present invention relates to the communications field, especially relate to the method that manages control data transmission in the distributed system between the near-end and far-end by optical fiber.
Background technology
In the communications field, distributed system exists in a large number, distributed system often is made of distributed system near-end node and distributed system distant-end node, the distant-end node of distributed system is connected by the near-end node of optical fiber and distributed system, can be placed on the distant place of range distribution formula system near-end node number kilometer, improve the coverage of distributed system near-end node greatly.
Fig. 1 is near-end node and a distant-end node connection diagram in the typical communication system, inner and the distant-end node inside of near-end node, constitute by different veneers, between the different veneers, Ethernet interface by veneer self is connected to the ether switching network, carrying out information interaction, is the annexation of an all-IP; Connect by optical fiber via interface board between near-end node and the distant-end node, have 2 light mouths on the distant-end node, a light mouth connects upper level distant-end node or near-end node, and another light mouth can cascade next stage distant-end node.Have the polylith veneer on near-end node and the distant-end node, identical veneer can also can use on distant-end node so that be used in near-end node, should be consistent on the software.The transmission of managing control information occurs between the veneer and near-end node veneer on the distant-end node, does not have the mutual of managing control information between two distant-end nodes.
Distant-end node uses optical fiber directly to be connected with near-end node, middle without transmission equipment, reason control information of optical fiber upper bearer tube and other for example jumbo radio-frequency information of information, the managing control information of distant-end node and near-end node takies the local channel of optical fiber, and two ends employing advanced data link controllers (hdlc controller) are finished the conversion between bit (bit) stream and the Frame.
For the management control data between near-end node and the distant-end node, common transmission means has two kinds, a kind of is directly to use the assign to mode of bearer management control data of data portion in the HDLC frame on the optical fiber, the shortcoming of this mode is that between the veneer of veneer on the distant-end node and near-end node no longer be that all-IP connects, use the application of ICP/IP protocol for some, have difficulties, and do not meet the trend of whole communication system; Another mode, be by carrying IP packet on the data division of HDLC frame on the optical fiber, bearer management control data in the IP packet, for remote node of the connection and near-end node or be connected each optical fiber of two distant-end nodes, all regard an independent point-to-point IP device as, adopt this mode, be that all-IP connects between the veneer on the distant-end node and the veneer of near-end node, but because carrying is the IP bag, after having multi-stage far-end node cascade, static routing is provided with complexity, during single board communication, handle on the distant-end node of near-end node veneer and far-end cascade, and this processing all is that IP layer in the ICP/IP protocol stack carries out through multistage route, cpu resource consumption is bigger, and whole efficiency is lower.
Summary of the invention
The objective of the invention is a kind of management control data transmission method of proposing for the shortcoming that overcomes prior art based on optical fiber, after adopting this mode, connect for all-IP between near-end node and the distant-end node, adopt the ICP/IP protocol stack, and static routing is provided with simply, and convenient programming is provided with the part routing relation automatically, directly handle, reduced the processing resource needed in the IP device Drive Layer.
In order to realize the foregoing invention purpose, a kind of management control data transmission method that the present invention proposes based on optical fiber, the step that comprises is as follows:
1, encapsulate independently ethernet device: near-end node is packaged into independently ethernet device with fiber plant, distributes a mac address and IP address, comprises the cascade progression 0 of near-end node in the mac address; To connect higher level's the fiber plant and the fiber plant of subordinate on the distant-end node and be packaged into an ethernet device, only distribute a mac address and IP address, comprise the cascade progression N of distant-end node in the mac address of distributing, the IP address of IP address allocated and near-end node fiber plant is in same subnet;
2, the transmission of the mac packet of giving for the IP layer is handled, and near-end node directly is placed on the data division of the HDLC frame on the optical fiber with the mac bag, sends, and the content of mac bag is not changed, and the mac bag is not split union operation; The transmission of the mac packet that give on the upper strata that drives for Ethernet on the distant-end node, at first the purpose mac address in the mac bag is taken out, if broadcast address is then wrapped the transmit queue of putting into higher level's optical fiber and subordinate's optical fiber simultaneously with mac, wait for that scheduling sends; Otherwise from purpose mac address, extract the cascade progression M of purpose distant-end node,, wait for that scheduling sends if M less than this distant-end node cascade progression N, wraps the transmit queue of putting into higher level's optical fiber with mac; If M greater than this distant-end node cascade progression N, wraps the transmit queue of putting into subordinate's optical fiber with mac, wait for that scheduling sends; If equate, then abandon;
When 3, carrying out on the optical fiber Data Receiving, near-end node directly extracts the data division of the HDLC frame on the optical fiber and obtains the mac bag, purpose mac address is judged, if the mac address of self or be broadcast address receives; Otherwise abandon; There is the optical fiber and the optical fiber that is connected subordinate that connects the higher level on the distant-end node, when carrying out certain one-level fiber data reception, at first the direct mac that needing to obtain that extracts of the data division of the HDLC frame on the optical fiber is wrapped, purpose mac address is judged, if the mac address of self, receive, the ICP/IP protocol stack of giving on the Drive Layer is handled; If be broadcast address, receive, the ICP/IP protocol stack of giving on the Drive Layer is handled, and mac is wrapped the transmit queue of putting into another grade optical fiber, waits for that scheduling sends; If the transmit queue of putting into another grade optical fiber is wrapped with the mac that extracts in other address, wait for that scheduling sends.
Adopt a kind of method of transmitting based on the management control data of optical fiber of the present invention, it between near-end node and the distant-end node connected mode of an all-IP, the convenient ICP/IP protocol stack that uses maturation, and, for identical veneer,, all be that IP connects no matter be positioned on near-end or the distant-end node, otherness in the middle of having shielded makes things convenient for the software of veneer to be consistent.Adopt method of the present invention, the fiber plant of near-end node and the fiber plant on the distant-end node constitute a local area network (LAN), when veneer communicated on the veneer of near-end node and the distant-end node, static routing was provided with simply, and at most only need just can arrive the purpose veneer through two routes, and no matter the progression of distant-end node cascade, and the work of part route is finished by Drive Layer, reduce the processing of IP layer, reduced the CPU expense.
Description of drawings
Fig. 1 is near-end node and a distant-end node connection diagram in the typical communication system;
Fig. 2 is WCDMA communication system NODE B near-end and the far-end RRU connection diagram that the present invention uses;
Fig. 3 is the WCDMA communication system NODE B near-end RBI plate external connection interface section schematic diagram that the present invention uses;
Fig. 4 is that the WCDMA communication system RRU that the present invention uses goes up RISR plate external connection interface section schematic diagram.
Embodiment
Below in conjunction with accompanying drawing and concrete enforcement technical scheme of the present invention is described in further detail:
NODE B is an important component part of wireless side in the WCDMA system, in order to improve the coverage of NODEB, generally all designed far-end RF module (RRU), RRU can be by antenna, power amplifier, radio-frequency (RF) receiving and transmission module constitutes, and can be connected by the local module of optical fiber with NODE B, RRU can be placed on the distant place from NODE B local module number kilometer, has improved the whole coverage of NODE B greatly.The optical fiber that connects RRU and NODE B local module need carry the base band data of big flow and the management control data of certain flow, base band data needs very low processing delay and bigger data bandwidth, management control data takies certain bandwidth, and time delay is possessed to a certain degree tolerance.
As Fig. 2, for WCDMA communication system NODEB near-end is connected sketch with far-end RRU, the interface board of NODE B near-end is the RBI plate, interface board on the RRU is the RISR plate, light mouth of the last existence of RBI, can connect the RRU of subordinate by optical fiber, two light mouths of the last existence of RISR can connect higher level equipment and subordinate equipment respectively by optical fiber.According to the progression of RRU cascade, it is respectively RRU1 that RRU is named, RRU2, RRUn.A kind of management control data transmission method based on optical fiber of the present invention is as follows:
Table 1 is the HDLC protocol frame format, carrying HDLC frame on optical fiber, and the data division of HDLC frame directly carries Ethernet mac packet, and the processing of wrapping for mac does not split merging, does not change the content of mac bag.
The high-order byte of low byte
| 01111110 | The address | Control | Data | CRC | 01111110 |
| Opening flag | 8bits | 8bits | 8Nbits | 16bits | End mark |
Table 1
Fig. 3 is the WCDMA communication system NODE B near-end RBI plate external connection interface section schematic diagram that the present invention uses, and according to Fig. 3 the treatment step of fiber data on the RBI veneer is described, and step is as follows:
1, the RBI plate will be packaged into an independently ethernet device by the fiber plant that hdlc controller connects, and distribute a mac address and IP address, mac address value xx:xx:xx:xx:xx:0, IP address value xx.xx.xx.1.
2, the transmission of the mac packet of giving for the IP layer directly is placed on the data division of the HDLC frame on the optical fiber with the mac bag, sends, and the content of mac bag is not changed, and the mac bag is not split union operation.
When 3, carrying out on the optical fiber Data Receiving, the direct extraction of the data division of the HDLC frame on the optical fiber obtained the mac bag, purpose mac address in the mac bag is judged, if the mac address xx:xx:xx:xx:xx:0 of self or be broadcast address, receive, the ICP/IP protocol stack that this mac bag is given the upper strata is handled, otherwise directly abandoned.
Fig. 4 is that the WCDMA communication system RRU that the present invention uses goes up RISR plate external connection interface section schematic diagram, with this figure the treatment step that RRU goes up RISR veneer fiber data is described, suppose that this RRU is the 2nd grade (progression of cascade is since 1) of cascade NODE B near-end, treatment step is as follows:
1, the RISR plate fiber plant that will connect the higher level only is packaged into an ethernet device with the fiber plant that is connected subordinate, only distribute a mac address and IP address, mac address value xx:xx:xx:xx:xx:2, IP address value xx.xx.xx.3, the IP address of going up fiber plant with RBI is in same subnet.
2, the transmission of the mac packet of giving for the IP layer is at first taken out the purpose mac address in the mac bag, if broadcast address, then the mac bag is put into simultaneously the transmit queue of higher level's optical fiber and subordinate's optical fiber, waits for that scheduling sends; Last position, purpose mac address is wrapped the transmit queue of putting into higher level's optical fiber less than this RRU cascade progression 2 with mac else if, waits for that scheduling sends; If last position, purpose mac address is wrapped the transmit queue of putting into subordinate's optical fiber greater than this RRU cascade progression 2 with mac, wait for that scheduling sends; If equate, then abandon; When obtaining dispatcher and can send, the mac bag directly is placed on the data division of the HDLC frame on the optical fiber, sends, do not change the content of mac bag, the mac bag is not split union operation.
3, on carrying out certain one-level optical fiber during the reception of data, at first the data division with the HDLC frame on the optical fiber directly extracts the mac bag that obtains, purpose mac address in the mac bag is judged, if the mac address xx:xx:xx:xx:xx:2 of self, receive, the ICP/IP protocol stack of giving on the Drive Layer is handled; If be broadcast address, receive, the ICP/IP protocol stack of giving on the Drive Layer is handled, and mac is wrapped the transmit queue of putting into another grade optical fiber, waits for that scheduling sends; If the transmit queue of putting into another grade optical fiber is wrapped with the mac that extracts in other address, wait for that scheduling sends.
Adopt a kind of management control data transmission method of the present invention based on optical fiber, be the connected mode of an all-IP between NODE B near-end and the far-end RRU, the convenient ICP/IP protocol stack that uses maturation for TRXU (Transmit Receive Unit) plate, can be positioned at the NODEB near-end, also can be positioned on the RRU, no matter the position that TRXU is in, and between the master control borad of NODEB near-end, all be that IP connects, otherness in the middle of having shielded makes things convenient for the software of TRXU plate to be consistent.The TRXU plate need use the ftp mode to carry out software download by master control borad, can use the ripe File Transfer Protocol based on the ICP/IP protocol to realize very easily.
Adopt method of the present invention, when the master control borad of NODEB near-end and the TRXU plate on the RRU2 communicate, static routing is provided with simply, convenient programming realizes, master control borad is provided with the IP address that the RBI plate connects switching network with default gateway, the gateway that RBI is provided with the network that arrives the TRXU plate place on the RRU2 is xx.xx.xx.3 (the fiber plant IP address of the RISR plate on the RRU2), TRXU plate on the RRU2 is arranged to the IP address that the RISR plate connects switching network with default gateway, RISR plate on the RRU2 is arranged to xx.xx.xx.1 (the IP address of RBI plate fiber plant) with default gateway, and what IP bag between the two just can be correct is routed.The veneer that NODE B near-end Ethernet switching chip connects needs intercommunication with the veneer that the last Ethernet switching chip of RRU is connected, a veneer at most only need just can arrive the purpose veneer through two gateways, and no matter the progression of RRU cascade, and, RBI and RRU at different levels go up the route work of the data interaction between the RISR, finish by Drive Layer, reduce the processing of IP layer, reduced the CPU expense.NODE B near-end links to each other with far-end RRU, need not use transmission equipment, the hardware device that need use, and ripe and cheap, hardware cost is lower.
Claims (5)
1, a kind of method of transmitting based on the management control data of optical fiber is characterized in that, comprises the steps:
Step 1, encapsulate independently ethernet device, near-end node is packaged into independently ethernet device with fiber plant, distributes a mac address and IP address, comprises the cascade progression 0 of near-end node in the mac address; To connect higher level's the fiber plant and the fiber plant of subordinate on the distant-end node and be packaged into an ethernet device, only distribute a mac address and IP address, comprise the cascade progression N of distant-end node in the mac address of distributing, the IP address of IP address allocated and near-end node fiber plant is in same subnet;
The transmission of step 2, the mac packet given for the IP layer is handled, and near-end node directly is placed on the data division of the HDLC frame on the optical fiber with the mac bag, sends, and the content of mac bag is not changed, and the mac bag is not split union operation; The transmission of the mac packet that give on the upper strata that drives for Ethernet on the distant-end node, at first the purpose mac address in the mac bag is taken out, if broadcast address is then wrapped the transmit queue of putting into higher level's optical fiber and subordinate's optical fiber simultaneously with mac, wait for that scheduling sends; Otherwise from purpose mac address, extract the cascade progression M of purpose distant-end node,, wait for that scheduling sends if M less than this distant-end node cascade progression N, wraps the transmit queue of putting into higher level's optical fiber with mac; If M greater than this distant-end node cascade progression N, wraps the transmit queue of putting into subordinate's optical fiber with mac, wait for that scheduling sends; If equate, then abandon;
Step 3, when carrying out on the optical fiber Data Receiving, near-end node directly extracts the data division of the HDLC frame on the optical fiber and obtains the mac bag, purpose mac address is judged, if the mac address of self or be broadcast address receives; Otherwise abandon; There is the optical fiber and the optical fiber that is connected subordinate that connects the higher level on the distant-end node, when carrying out certain one-level fiber data reception, at first the direct mac that needing to obtain that extracts of the data division of the HDLC frame on the optical fiber is wrapped, purpose mac address is judged, if the mac address of self, receive, the ICP/IP protocol stack of giving on the Drive Layer is handled; If be broadcast address, receive, the ICP/IP protocol stack of giving on the Drive Layer is handled, and mac is wrapped the transmit queue of putting into another grade optical fiber, waits for that scheduling sends; If the transmit queue of putting into another grade optical fiber is wrapped with the mac that extracts in other address, wait for that scheduling sends.
2, method according to claim 1 is characterized in that, near-end node cascade progression is 0, and the cascade progression of distant-end node is N, and N is since 1.
3, method according to claim 1 and 2 is characterized in that, described method is applicable to the transmission of the management control data between RRU far-end and the NODE B near-end.
4, method according to claim 3 is characterized in that, is that all-IP connects between described RRU far-end and the NODEB near-end.
5, method according to claim 4 is characterized in that, the veneer that is positioned on the RRU far-end carries out software download by the master control borad that is positioned on the NODE B near-end.
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| CNB2005100753774A CN100440860C (en) | 2005-06-16 | 2005-06-16 | Method for managing and controlling data transmission based on optical fibre |
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| CNB2005100753774A CN100440860C (en) | 2005-06-16 | 2005-06-16 | Method for managing and controlling data transmission based on optical fibre |
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| CN1881928A true CN1881928A (en) | 2006-12-20 |
| CN100440860C CN100440860C (en) | 2008-12-03 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105245466A (en) * | 2015-10-14 | 2016-01-13 | 北京锐安科技有限公司 | Flow control method, flow control device and flow control equipment |
| CN107888713A (en) * | 2016-09-30 | 2018-04-06 | 中兴通讯股份有限公司 | A kind of method, apparatus and access device of dynamically distributes MAC Address |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6856591B1 (en) * | 2000-12-15 | 2005-02-15 | Cisco Technology, Inc. | Method and system for high reliability cluster management |
| CA2446671C (en) * | 2001-06-06 | 2010-05-11 | Marconi Intellectual Property (Ringfence) Inc. | System and method for transporting channelized ethernet over sonet/sdh |
| JP4037811B2 (en) * | 2003-09-10 | 2008-01-23 | 富士通株式会社 | SONET / SDH equipment monitoring control communication system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105245466A (en) * | 2015-10-14 | 2016-01-13 | 北京锐安科技有限公司 | Flow control method, flow control device and flow control equipment |
| CN107888713A (en) * | 2016-09-30 | 2018-04-06 | 中兴通讯股份有限公司 | A kind of method, apparatus and access device of dynamically distributes MAC Address |
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| CN100440860C (en) | 2008-12-03 |
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