CN107820267A - The message processing method and system of more board LTE gateways - Google Patents
The message processing method and system of more board LTE gateways Download PDFInfo
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- CN107820267A CN107820267A CN201711129944.9A CN201711129944A CN107820267A CN 107820267 A CN107820267 A CN 107820267A CN 201711129944 A CN201711129944 A CN 201711129944A CN 107820267 A CN107820267 A CN 107820267A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/04—Arrangements for maintaining operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/12—Avoiding congestion; Recovering from congestion
- H04L47/125—Avoiding congestion; Recovering from congestion by balancing the load, e.g. traffic engineering
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/25—Routing or path finding in a switch fabric
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/30—Peripheral units, e.g. input or output ports
- H04L49/3009—Header conversion, routing tables or routing tags
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/55—Prevention, detection or correction of errors
- H04L49/552—Prevention, detection or correction of errors by ensuring the integrity of packets received through redundant connections
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/08—Load balancing or load distribution
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/16—Gateway arrangements
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The present invention provides a kind of more board LTE gateway processes methods based on ATCA hardware, this method need to provide a kind of more board LTE gateways, wherein power board receives message, if message is IP messages, then business board receives IP messages, and the information in IP messages is matched with the information in the forwarding cache information table in business board, turns transmitting IP packet if matching, otherwise, E-Packet to master control borad；If message is non-IP messages, complete trails forwarding then is carried out to IP messages, and give the forwarding cache synchronizing information learnt in the forwarding cache information table in each business board, information of the business board in cache information table is carried out turning transmitting IP packet, and otherwise master control borad is handled message.The present invention also provides a kind of more board LTE gateway processes systems based on ATCA hardware so that each business board can be in communication with each other, and increase the forwarding data capability of gateway, and add the reliability of product, reduce the cost of implementation of product.
Description
This case is that Application No. 201410442828.2 is entitled " to be based on ATCA using the applying date as on 09 02nd, 2014
The divisional application that the patent of invention of more board LTE gateway processes method and system of hardware " is carried out for female case.
Technical field
The present invention relates to a kind of more board LTE gateway processes method and system based on ATCA hardware.
Background technology
Small Cell refer to the low power access points for being operated in licensed band, are managed by operator and are had and are based on edge
Intelligent characteristic.Small Cell come from be initially home interior Femtocell (winged honeycomb) technology, extend to enterprise now
Picocell (cellulor), city Metrocell (macrocellular) and Microcell (microcellulor), can help family, enterprise with
And city and rural public domain improve covering, capacity and the application of cellular network, improve user quality, the negative of macro base station is reduced
Lotus.
The main frequency range of the LTE technologies of 4G networks is distributed in 2GHZ, is to be operated in " high frequency " relative to 3G network, so phase
The coverage of 4G networks will be not equal to before under the conditions of same base station number.Carried out except reasonably using room subsystem indoor
The network coverage outside, Small Cell networking technologys extensive application and a kind of crucial behave.Small Cell networking nets
Meta structure is substantially as shown in Figure 1.
In Fig. 1, insecure link represent the link under safeguard protection, and Operator ' s core network are represented
The core network of Mobile Network Operator.It will be seen from figure 1 that no matter LTE Small Cell security gateways (SeGW) or
LTE Small Cell small base-station gateway (HeNBGW) is all an aggregation gateway equipment.Telecommunication carrier networks are typically one
Individual catenet, the quantity of either small base station HeNB equipment or the quantity of mobile terminal UE are all very huge, and this will
SeGW and HeNBGW is asked to possess very powerful process performance.
The LTE Small Cell gateway products (SeGW and HeNBGW) of the manufacture of telecommunication apparatus manufacturer exploitation at present are substantially
Be single service processing board form on veneer morphologies, or ATCA frames wherein, and at the business in ATCA frames
Reason plate be between each other it is independent, each business board can independent process E-Packet, there is no any letter between each business board
Breath interaction, the process performance and capacity of gateway product can be limited by single CPU processor performance.The network of main flow at present
Device product CPU processor is 10Gbps platforms, also there is the 40Gbps platforms of part.Go for than single CPU processor
Gateway product that can be higher is, it is necessary to dispose and safeguard more gateway product equipment.
Wherein, LTE:Long Term Evolution, Long Term Evolution, it is the UMTS skill that 3GPP is formulated
The Long Term Evolution of art standard, it is the access protocol standard of forth generation GSM.
ATCA:Advanced Telecom Computing Architecture, advanced telecommunications computing platform standard,
Define the expansible hardware architecture with compatibility extensively based on modular construction.
Small Cell:The small cell base station covering networking mode of mobile radio communication, base station equipment therein is low-power consumption
, radiofrequency signal coverage is generally between 10 meters to 200 meters.
UE:The subscriber terminal equipment of mobile communication, such as mobile phone etc..
H(e)NB:The small base station equipment of family under LTE technical standards in mobile network, feature are low-power consumption, radiofrequency signal
Coverage is generally between 10 meters to 200 meters.
SeGW:Security gateway equipment under LTE Small Cell networkings, connect for thousands of individual H (e) NB equipment safeties
Enter mobile network and certification and encryption support are provided.
H(e)NB-GW:Small base-station gateway equipment under LTE Small Cell networkings, it is thousands of individual H (e) NB equipment
Access to mobile network provides the convergence of signaling link and distribution is supported.
H(e)MS:Small base station network management system under LTE Small Cell networkings, there is provided management configuration interface, monitoring and system
Count the functions such as collection.
AAA Server/HSS:The safety certification authority charge system of mobile subscriber's access.
MODID：The module numbering of exchange chip, certain specific block is searched when being stacked for polylith exchange chip and exchanges core
Piece.
Higig:Refer to a kind of universal serial bus interconnection scheme and agreement, can be used for polylith exchange chip stacking.
The content of the invention
One of the technical problem to be solved in the present invention, it is to provide a kind of more board LTE gateways based on ATCA hardware
Reason method so that each business board can be in communication with each other, and increase the forwarding data capability of gateway, and the reliability for adding product reduces
The cost of implementation of product.
What one of present invention was realized in：A kind of more board LTE gateway processes methods based on ATCA hardware, this method
A kind of more board LTE gateways need to be provided, more board LTE gateways include a master control borad, power board and a plurality of business boards, bag
Include following steps：
Step 10, more board LTE gateways are connected in network, power board receives message, analyzes type of message, if report
Text is IP messages, into step 20, otherwise, is E-Packeted to master control borad, into step 30；
Step 20, business board receive IP messages, then send directionally to business board according to load-balancing algorithm, and report according to IP
Information in text is matched with the information in the forwarding cache information table in business board, turns transmitting IP packet if matching, otherwise,
The IP messages are sent to master control borad, into step 30；
Step 30, master control borad receive message, if message is IP messages, complete trails forwarding are carried out to IP messages, and will learn
The forwarding cache synchronizing information practised is given in the forwarding cache information table in each business board, into step 40, if message is not
IP messages, master control borad are handled message；
Step 40, master control borad are by load-balancing algorithm by IP messages directive sending to business board, and business board is according to caching
Information in information table carries out turning transmitting IP packet.
Further, the master control borad includes master control sheet processor and master control exchange chip, and each business board includes
One business sheet processor and operation exchange chip, it is that master control sheet processor, master control exchange chip, business sheet processor and business are handed over
Change chip and distribute numbering respectively, forwarded the packet according to the target designation of message and stacking agreement to specified services plate or master control
Plate.
Further, each business board also includes an operational processor, and the load-balancing algorithm concretely comprises the following steps：
The message data of some physical port is distributed to certain business board bound in a dynamic fashion, when the message number for entering power board
When being more than the bandwidth capacity of physical port according to amount, then remaining message data is distributed to next physical port and is tied to
Corresponding business board, by that analogy, until data distribution is finished.
Further, the power board includes a plurality of physical ports and the first exchange chip, and the dynamical fashion is：Search
Collect power board physical port information and business board information and the Link-UP events for monitoring power board physical port, if first thing
Reason port is active, then the message data that first physical port enters is tied to first piece of business board；If first
Individual physical port is inactive, then continues to check the active state of second physical port；The like, all work
The message data of dynamic physical port, it is tied on the corresponding service plate of system.
Further, more board LTE gateways also include ATCA cabinets, the master control borad, a plurality of business boards and friendship
Plate is changed to be connected with each other by ATCA cabinets.
Further, the forwarding cache information includes：Five critical fielies of data flow, corresponding next-hop adjacency list
It is item, corresponding IP layers service quality priority, corresponding NAT transitional informations, corresponding Ipsec tunnel encapsulations mode, corresponding
IPsec encrypted decryption keys, corresponding statistics speed limit data and corresponding transmission service port.
The second technical problem to be solved by the present invention, it is to provide a kind of more board LTE gateways based on ATCA hardware
Reason system so that each business board can be in communication with each other, and increase the forwarding data capability of gateway, and reduce client cost.
What the two of the present invention were realized in：A kind of more board LTE gateway processes systems based on ATCA hardware, the system
A kind of more board LTE gateways need to be provided, more board LTE gateways include a master control borad, power board and a plurality of business boards, bag
Include following module：
Message module is analyzed, more board LTE gateways are connected in network, power board receives message, analyzes message class
Type, if message is IP messages, into step business board processing module, otherwise, E-Packet to master control borad, into master control borad processing
Module；
Business board processing module, business board receive IP messages, then send directionally to business board according to load-balancing algorithm, and
Information in IP messages is matched with the information in the forwarding cache information table in business board, and IP reports are forwarded if matching
Text, otherwise, the IP messages are sent to master control borad, into master control borad processing module；
Master control borad processing module, master control borad receives message, if message is IP messages, carries out complete trails to IP messages and turns
Hair, and the forwarding cache synchronizing information learnt is given in the forwarding cache information table in each business board, into Message processing
Module, if message is not IP messages, master control borad is handled message；
Message processing module (MPM), master control borad is by load-balancing algorithm by IP messages directive sending to business board, business board root
Carry out turning transmitting IP packet according to the information in cache information table.
Further, the master control borad includes master control sheet processor and master control exchange chip, and each business board includes
One business sheet processor and operation exchange chip, it is that master control sheet processor, master control exchange chip, business sheet processor and business are handed over
Change chip and distribute numbering respectively, forwarded the packet according to the target designation of message and stacking agreement to specified services plate or master control
Plate.
Further, each business board also includes an operational processor, and the load-balancing algorithm concretely comprises the following steps：
The message data of some physical port is distributed to certain business board bound in a dynamic fashion, when the message number for entering power board
When being more than the bandwidth capacity of physical port according to amount, then remaining message data is distributed to next physical port and is tied to
Corresponding business board, by that analogy, until data distribution is finished.
Further, the power board includes a plurality of physical ports and the first exchange chip, and the dynamical fashion is：Search
Collect power board physical port information and business board information and the Link-UP events for monitoring power board physical port, if first thing
Reason port is active, then the message data that first physical port enters is tied to first piece of business board；If first
Individual physical port is inactive, then continues to check the active state of second physical port；The like, all work
The message data of dynamic physical port, it is tied on the corresponding service plate of system.
Further, more board LTE gateways also include ATCA cabinets, the master control borad, a plurality of business boards and friendship
Plate is changed to be connected with each other by ATCA cabinets.
Further, the forwarding cache information includes：Five critical fielies of data flow, corresponding next-hop adjacency list
It is item, corresponding IP layers service quality priority, corresponding NAT transitional informations, corresponding Ipsec tunnel encapsulations mode, corresponding
IPsec encrypted decryption keys, corresponding statistics speed limit data and corresponding transmission service port.
The invention has the advantages that：
Effect one, realize that the small base station access networks of LTE Smallcell of the more board unified management parallel processings of complete machine close production
Product, it is set to easily facilitate use.
Effect two, because business board business forwarding cache synchronizing information forms mutual redundancy backup, improve system and production
The reliability of product, individual business board hardware fault is avoided to cause network interruption.
Effect three, dynamically gateway product can be expanded according to forwarding loading condition and electric power energy service condition
Hold or power-save operation, business board can realize flexibly expansible gateway product with hot plug.
Brief description of the drawings
The present invention is further illustrated in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is LTE SmallCell networking schematic diagram.
Fig. 2 is business processing flow figure of the present invention.
Fig. 3 is dynamic binding flow chart of the present invention.
Fig. 4 is complete machine logical construction schematic diagram of the present invention.
Embodiment
As shown in Fig. 2 a kind of more board LTE gateway processes methods based on ATCA hardware, it is more that this method need to provide one kind
Board LTE gateways, more board LTE gateways include a master control borad, power board and a plurality of business boards, more board LTE
Gateway also includes ATCA cabinets, and the master control borad, a plurality of business boards and power board are connected with each other by ATCA cabinets, including such as
Lower step：
Step 10, more board LTE gateways are connected in network, power board receives message, analyzes type of message, if report
Text is IP messages, into step 20, otherwise, is E-Packeted to master control borad, into step 30；
Step 20, business board receive IP messages, then send directionally to business board according to load-balancing algorithm, and report according to IP
Information in text is matched with the information in the forwarding cache information table in business board, turns transmitting IP packet if matching, otherwise,
The IP messages are sent to master control borad, into step 30, the forwarding cache information includes：Five critical fielies of data flow
(i.e. source IP, purpose IP, transport layer protocol type, source port, destination interface), corresponding next-hop adjoining list item, corresponding IP
Layer service quality priority, corresponding NAT transitional informations, corresponding Ipsec tunnel encapsulations mode, corresponding IPsec encryption solutions
Key, corresponding statistics speed limit data and corresponding transmission service port；
Step 30, master control borad receive message, if message is IP messages, complete trails forwarding are carried out to IP messages, and will learn
The forwarding cache synchronizing information practised is given in the forwarding cache information table in each business board, into step 40, if message is not
IP messages, master control borad are handled message；
Step 40, master control borad are by load-balancing algorithm by IP messages directive sending to business board, and business board is according to caching
Information in information table carries out turning transmitting IP packet.
In processing method of the present invention, the master control borad includes master control sheet processor and master control exchange chip, each industry
Business plate includes a business sheet processor and operation exchange chip, is master control sheet processor, master control exchange chip, business sheet processor
And operation exchange chip distributes numbering respectively, forwarded the packet according to the target designation of message and stacking agreement to specified services plate
Or master control borad.
As shown in figure 3, in processing method of the present invention, each business board also includes an operational processor, the load
Equalization algorithm concretely comprises the following steps：The message data of some physical port is distributed to certain business board bound in a dynamic fashion,
When the message data amount for entering power board is more than the bandwidth capacity of physical port, then remaining message data is distributed to down
One physical port is simultaneously tied to corresponding business board, by that analogy, until data distribution is finished.
In processing method of the present invention, power board includes a plurality of physical ports and the first exchange chip, the dynamical fashion
For：Collect power board physical port information and business board information (collects the number of power board physical port, and is each physics
Port is numbered, and it is to collect business board number to collect business board information, and is numbered for each business board, be easy to behind
Pairing) and monitor the Link-UP events of power board physical port, if first physical port is active,
The message data that one physical port enters is tied to first piece of business board；If first physical port is inactive,
Then continue to check the active state of second physical port；The like, the message data of all movable physical ports, tie up
Determine onto the corresponding service plate of system.
More board LTE gateway processes systems of the invention based on ATCA hardware, the system need to provide a kind of more board LTE nets
Close, more board LTE gateways include a master control borad, power board and a plurality of business boards, and more board LTE gateways also include
ATCA cabinets, the master control borad, a plurality of business boards and power board are connected with each other by ATCA cabinets, including following module：
Message module is analyzed, more board LTE gateways are connected in network, power board receives message, analyzes message class
Type, if message is IP messages, into step business board processing module, otherwise, E-Packet to master control borad, into master control borad processing
Module；
Business board processing module, business board receive IP messages, then send directionally to business board according to load-balancing algorithm, and
Information in IP messages is matched with the information in the forwarding cache information table in business board, and IP reports are forwarded if matching
Text, otherwise, the IP messages are sent to master control borad, into master control borad processing module, the forwarding cache information includes：Data flow
Five critical fielies (i.e. source IP, purpose IP, transport layer protocol type, source port, destination interface), corresponding next-hop adjoining
List item, corresponding IP layers service quality priority, corresponding NAT transitional informations, corresponding Ipsec tunnel encapsulations mode, correspondingly
IPsec encrypted decryption keys, corresponding statistics speed limit data and corresponding send service port；
Master control borad processing module, master control borad receives message, if message is IP messages, carries out complete trails to IP messages and turns
Hair, and the forwarding cache synchronizing information learnt is given in the forwarding cache information table in each business board, into Message processing
Module, if message is not IP messages, master control borad is handled message；
Message processing module (MPM), master control borad is by load-balancing algorithm by IP messages directive sending to business board, business board root
Carry out turning transmitting IP packet according to the information in cache information table.
Master control borad includes master control sheet processor and master control exchange chip in processing system of the present invention, each business board bag
A business sheet processor and operation exchange chip are included, is master control sheet processor, master control exchange chip, business sheet processor and business
Exchange chip distributes numbering respectively, is forwarded the packet according to the target designation of message and stacking agreement to specified services plate or master control
Plate.
Each business board also includes an operational processor in processing system of the present invention, and the load-balancing algorithm is specific
Step is：The message data of some physical port is distributed to certain business board bound in a dynamic fashion, when into power board
Message data amount when being more than the bandwidth capacity of physical port, then remaining message data distributes to next physical port
And corresponding business board is tied to, by that analogy, until data distribution is finished.
Power board includes a plurality of physical ports and the first exchange chip, the dynamical fashion in processing system of the present invention
For：Collect power board physical port information and business board information (collects the number of power board physical port, and is each physics
Port is numbered, and it is to collect business board number to collect business board information, and is numbered for each business board, be easy to behind
Pairing) and monitor the Link-UP events of power board physical port, if first physical port is active,
The message data that one physical port enters is tied to first piece of business board；If first physical port is inactive,
Then continue to check the active state of second physical port；The like, the message data of all movable physical ports, tie up
Determine onto the corresponding service plate of system.
The effect of ATCA cabinets is that backplane channel, wherein power board are powered and provided to each business board in the present invention
Effect be to provide final business physical interface and converge the business data flow, wherein business board of disengaging effect be do flow turn
Hair and the processing of tunnel traffic and various access service, the effect of wherein master control borad are configurations with monitoring whole set equipment and synchronous
Forwarding cache information table between different business plate.
Separation and reasonable cloth of the stationary problem of business datum by control and management plane and message Forwarding plane between board
Office realizes；The problem of load balancing is distributed between board stacks agreement to realize by the tactful forwarding capability and Higig of power board.
It is to be stacked by one kind that company of Botong (broadcom) realizes in its exchanger chip for multiple chips that Higig, which stacks agreement,
A kind of technology.In the explanation of the present invention stacking agreement that uses using Higig agreements as concrete implementation in a manner of, if specifically
Scheme has used the exchanger chip of other manufacturers in realizing, then can use corresponding stacking agreement.
Business board only carries out Message processing according to current business forwarding cache information, once can not the match is successful to weigh
Orient message and carry out complete complete trails forward process to master control borad.This design is a material facts according to network traffics
Carry out, 99% network traffics are all IP operation bag and forwarding strategy inside gateway device and path is identical.Institute
So that business board can be directly according to the most of network traffics of contents processing of business forwarding cache information table.
As shown in figure 4, the design of present ATCA business boards can reach higher density, usually can be in a business board
Two high performance CPU processors of upper placement.In order to allow two CPU processors of a business board can be with parallel processing business report
Text, distribution service forwarding cache information table can be unified by master control borad using single CPU processor as logic business plate.In addition,
In order to ensure service message is accurately redirected to from the port of power board the CPU processor of certain business board, it is not necessary to be concerned about
The path of backboard and the exchange process of centre using Higig on the interface of board interconnected, it is necessary to stack agreement.Soft
The process of part system initialization is that each exchanger core blade unit and CPU processor unit distribute independent MODID (module volumes
Number), Higig stacks target MODID of the agreement internally on interconnecting interface directly according to message and forwarded.Software is that complete machine is each
Each processing unit of individual board is assigned with independent MODID.Should at the port that the exchange chip message of power board enters
With forwarding strategy, the message to receive specifies target MODID, and such service message will stack the effect of agreement in Higig
Under successfully reach corresponding to business board CPU processor.Wherein logic business plate is the virtual management object of software, and load is equal
The method of accounting will be that each logic business plate distributes rational processing task.
Load-balancing algorithm between each logic business plate can have a variety of implementation methods, and in general way has static thing
Manage port binding logic business plate, dynamic physical port binding logic business plate, certain is redirected to according to message source IP cryptographic Hash
Open logic business plate, certain logic business plate is redirected to according to message purpose IP cryptographic Hash.From the result of application process feedback
See, the loading algorithm of dynamic physical port binding logic business plate is optimal implementation.
The loading algorithm of dynamic physical port binding logic business plate, refer to the management chain of command of master control borad according to power board
Panel physical port Link-UP events dynamically for it distribute and binding logic business plate processing unit.According to this calculation
Method, the power board panel physical port of first Link-UP (insertion netting twine connects with other network equipments), will be assigned to first
Logic business plate processing unit is opened, the like.The fact that this algorithm, is according to being the panel physical port energy of usual power board
The data rate of support is 10Gbps or 40Gbps, and the data that a corresponding high performance network processing unit can forward
Handling capacity more than 10Gbps or 40Gbps, can be true so binding a logic business plate (CPU processor) for physical port
The forwarding of guarantor's business is smoothed out not packet loss.
As shown in Fig. 2 after message enters whole set equipment, power board is arrived first at.Power board carries out preliminary screening to message,
IP messages are delivered to corresponding business board according to load-balancing algorithm, and non-IP messages (being typically ARP messages) are delivered to master control borad.
After IP messages reach business board, five critical fielies, and existing cache information table are extracted in the header information of message
Lookup matching is carried out, message conversion and transmission are carried out according to the content of forwarding cache information table if matching, if do not had
Match, be delivered to master control borad and carry out fullpath forwarding and caching information learning.Forwarding surface is based on forwarding on business board
Cache information is forwarded, and the IP header informations and mac header information of message, some data are replaced according to the content of cache information
Stream will also carry out the encrypt and decrypt operation of message data content according to the IPsec key informations of caching.Forwarded on master control borad
Face carries out the processing of layer two MAC header information, three layers of IP header information to message respectively according to the processing mode of ICP/IP protocol stack
Processing, four layers of TCP/UDP header informations processing.The forward process process of fullpath is being carried out, if it find that the report of a certain layer
The abnormal then dropping packets of header simultaneously do abnormal information log recording, if it find that the final destination address of message be this equipment then
Text delivery is further processed to corresponding management chain of command application program.If whole fullpath forward process is smooth
Complete, message is finally sent from some service port, then records the forwarding cache letter of the data flow corresponding to this message
Breath.
The invention has the advantages that：
Effect one, realize that the small base station access networks of LTE Smallcell of the more board unified management parallel processings of complete machine close production
Product, it is set to easily facilitate use.
Effect two, because business board business forwarding cache synchronizing information forms mutual redundancy backup, improve system and production
The reliability of product, individual business board hardware fault is avoided to cause network interruption.
Effect three, dynamically gateway product can be expanded according to forwarding loading condition and electric power energy service condition
Hold or power-save operation, business board can realize flexibly expansible gateway product with hot plug.
Although the foregoing describing the embodiment of the present invention, those familiar with the art should manage
Solution, the specific embodiment described by us are merely exemplary, rather than for the restriction to the scope of the present invention, are familiar with this
The equivalent modification and change that the technical staff in field is made in the spirit according to the present invention, should all cover the present invention's
In scope of the claimed protection.
Claims (6)
- A kind of 1. message processing method of more board LTE gateways, it is characterised in that：ATCA is advanced telecommunications computing platform mark Standard, this method need to provide a kind of more board LTE gateways, and more board LTE gateways include a master control borad, power board and a plurality of Business board, comprise the following steps：Step 10, more board LTE gateways are connected in network, power board receives message, type of message is analyzed, if message is IP messages, into step 20, otherwise, E-Packet to master control borad, into step 30；Step 20, business board receive IP messages, then send directionally to business board according to load-balancing algorithm, and according in IP messages Information matched with the information in the forwarding cache information table in business board, if matching if turn transmitting IP packet, otherwise, by this IP messages are sent to master control borad, into step 30；Step 30, master control borad receive message, if message is IP messages, carry out complete trails forwarding to IP messages, and study is arrived Forwarding cache synchronizing information give in the forwarding cache information table in each business board, into step 40, if message is not reported for IP Text, master control borad are handled message；Step 40, master control borad are by load-balancing algorithm by IP messages directive sending to business board, and business board is according to cache information Information in table carries out turning transmitting IP packet；Load-balancing algorithm between business board is specially：Redirected according to message source IP cryptographic Hash or breathed out according to message purpose IP Uncommon value redirects.
- A kind of 2. message processing method of more board LTE gateways according to claim 1, it is characterised in that：More plates Card LTE gateways also include ATCA cabinets, and the master control borad, a plurality of business boards and power board are connected with each other by ATCA cabinets.
- A kind of 3. message processing method of more board LTE gateways according to claim 1, it is characterised in that：The forwarding Cache information includes：Five critical fielies of data flow, corresponding next-hop adjoining list item, corresponding IP layers quality of service precedence Level, corresponding NAT transitional informations, corresponding Ipsec tunnel encapsulations mode, corresponding IPsec encrypted decryption keys, corresponding system Count speed limit data and corresponding transmission service port.
- A kind of 4. message handling system of more board LTE gateways, it is characterised in that：ATCA is advanced telecommunications computing platform mark Standard, the system need to provide a kind of more board LTE gateways, and more board LTE gateways include a master control borad, power board and a plurality of Business board, including following module：Message module to be analyzed, more board LTE gateways are connected in network, power board receives message, analyzes type of message, if Message is IP messages, into step business board processing module, otherwise, is E-Packeted to master control borad, into master control borad processing module；Business board processing module, business board receive IP messages, then send directionally to business board according to load-balancing algorithm, and according to Information in IP messages is matched with the information in the forwarding cache information table in business board, turns transmitting IP packet if matching, Otherwise, the IP messages are sent to master control borad, into master control borad processing module；Master control borad processing module, master control borad receives message, if message is IP messages, complete trails forwarding is carried out to IP messages, and The forwarding cache synchronizing information learnt is given in the forwarding cache information table in each business board, into message processing module (MPM), If message is not IP messages, master control borad is handled message；Message processing module (MPM), master control borad is by load-balancing algorithm by IP messages directive sending to business board, and business board is according to slow The information in information table is deposited to carry out turning transmitting IP packet；Load-balancing algorithm between business board is specially：Redirected according to message source IP cryptographic Hash or breathed out according to message purpose IP Uncommon value redirects.
- A kind of 5. message handling system of more board LTE gateways according to claim 4, it is characterised in that：More plates Card LTE gateways also include ATCA cabinets, and the master control borad, a plurality of business boards and power board are connected with each other by ATCA cabinets.
- A kind of 6. message handling system of more board LTE gateways according to claim 4, it is characterised in that：The forwarding Cache information includes：Five critical fielies of data flow, corresponding next-hop adjoining list item, corresponding IP layers quality of service precedence Level, corresponding NAT transitional informations, corresponding Ipsec tunnel encapsulations mode, corresponding IPsec encrypted decryption keys, corresponding system Count speed limit data and corresponding transmission service port.
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Also Published As
| Publication number | Publication date |
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| CN104244305B (en) | 2017-12-08 |
| CN107786459A (en) | 2018-03-09 |
| CN107889134A (en) | 2018-04-06 |
| CN107786459B (en) | 2020-06-09 |
| CN107846699B (en) | 2021-04-13 |
| CN107820267B (en) | 2021-04-13 |
| CN107846699A (en) | 2018-03-27 |
| CN107889134B (en) | 2021-04-09 |
| CN104244305A (en) | 2014-12-24 |
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