CN1859175A - Internal reliable interconnect communication device - Google Patents
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- CN1859175A CN1859175A CN 200510111186 CN200510111186A CN1859175A CN 1859175 A CN1859175 A CN 1859175A CN 200510111186 CN200510111186 CN 200510111186 CN 200510111186 A CN200510111186 A CN 200510111186A CN 1859175 A CN1859175 A CN 1859175A
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Abstract
The present invention discloses an inner reliable interconnected communication apparatus. The present invention adopts port binding technology to realize communication apparatus reliable interconnecting, through port binding two mutual backed physical network board communications to form one logical network board. In-frame service boards are all bound with tow physical network boards for realizing in-frame communication, logical network among different frames are all interconnected; physical network board in same frame also is bound; on this basic, service board or network board capable of select port communication to realize service load equipartition in port; in port fault automatically abandoning said link to realize link level protection reversion.
Description
Technical field
The present invention relates to communication equipment, particularly the interconnection technique of inner each veneer of communication equipment.
Background technology
Communication system requires and can provide reliable continual service for its user, especially in the application of some important service, as electronic money, order processing, customer service, stock control, Email and Internet access etc., professional survivability becomes than more important in the past, and its availability requirement can reach 99.999% even higher.Therefore, the network survivability ability becomes the key factor that influences network design and structure, and the equipment that uses in communication system also needs very high reliability accordingly.
To this, a kind of solution commonly used is redundancy backup and masterslave switchover technology.
Redundancy backup and masterslave switchover technology have multiple backup mode, such as 1+1, and 1:1,1:N etc.Specifically; 1+1 backup is a kind of simple protected mode; active and standby in the system formed a service functional unit in logic with the unit; be that protected unit has a stand-by unit; the main real-time processing of being responsible for business with module; standby professional the maintenance and main data consistent with the unit, detect former main during with cell failure initiation switch, take over former master with the business on the unit.Stand-by unit is only started working after breaking down in the 1:1 different with the 1+1 backup backup, and 1:N backup to be exactly a plurality of units share stand-by units, and when any one is main when breaking down with the unit, stand-by unit is promptly taken over its work.
Usually, the telecommunication apparatus of a complexity comprises a plurality of processing unit collaborative works, needs to communicate between each unit; And in whole communication network, also need communication between the different node devices.When network failure,, switch and in the time limit of appointment, to finish, make it to recover as early as possible professional, drop to the influence to communication system minimum in order to guarantee the equipment self-healing ability, guarantee the integrality of data and to keep service quality.As seen, the performance of wrap protection all has great influence for the reliability of system and even the survival ability of whole network.The reverse method that adopts in the communication system mainly contains based on circuit switching with based on reverse methods such as Internet protocol (Internet Protocol is called for short " IP ") communications at present.
In addition, the solution that improves network reliability also has Port BindingBundling (PORT TRUNKING), and this also is a kind of bandwidth extension schemes cheaply simultaneously.
Port BindingBundling, be also referred to as link aggregation (Link Aggregation), be a plurality of ethernet ports such as Fast Ethernet (Fast Ethernet, be called for short " FE ") or gigabit Ethernet (Gigabit Ethernet, be called for short " GE ") tie up, form a data link in logic, thereby improve bandwidth and backup each other, improved the reliability of system.Its scheme generally is to carry out Port BindingBundling on same wiring board, realize the redundancy backup of same wiring board different port, and be widely used in the network switch (Lanswitch), router (Router), Digital Subscriber Line Access Multiplexer (Digital SubscriberLine Access Multiplexer, abbreviation " DSLAM "), the interconnection of BAS Broadband Access Server LA Management Rooms such as (Broad BandAccess Server are called for short " BAS ").
The built-in system of a kind of conventional communication device of prior art as shown in Figure 1, this system adopts a kind of two web plate interconnect schemes based on the GE exchange of internal system, specifically, is that frame 0, frame 1 respectively have two physics web plates, 1 of frame 0 and frame adopt the web plate interconnection, do not have active and standby notion; Then adopt totally interconnected pattern between physics web plate and business board in the frame, wherein, business board adopts the dual transmitting and receiving scheme, supports the switching strategy of link level.For example when the C point failure, will cause that all veneers all need to finish link switchover in frame 0 and the frame 1, also might cause in the facility communication system veneer link switchover of other frames related with frame 0 and frame 1.
In native system, business board need increase extra hardware and realize dual transmitting and receiving; And between interior physics web plate of frame and business board though 4 interconnection lines are arranged, because the active/standby mode of business board, in fact bandwidth has only a line.
In actual applications, there is following problem in such scheme: system reliability is low, link stability is poor, and needing increases extra hardware, and link bandwidth utilization rate has only actual system configuration half.For example, when the fault point of crossover location A, B place physics network board fault, then interframe interconnection will collapse, so the reliability of system is low.Owing to used dual transmitting and receiving, need to increase extra hardware.Because two physics web plates are main and standby relation, at any time have only a physics web plate wherein communicating by letter with business board, the link between this business board and another piece physics web plate is not worked, so link bandwidth utilization rate is lower.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of communication equipment of internal reliable interconnect, makes under the prerequisite that guarantees bandwidth availability ratio, can realize the reliable interconnect communication between each frame of device interior, between each veneer on the basis of existing hardware configuration.
For achieving the above object, the invention provides a kind of communication equipment of internal reliable interconnect, comprise at least two physics web plates with function of exchange, the existing binding communication of its corresponding end cause for gossip is formed a logic web plate;
The port of described logic web plate is jointly carried by the port of operate as normal in the port of two described physics web plates at least.
Wherein, also comprise at least one business board, belong to same main frame with described logic web plate;
The port of described business board links to each other respectively with the port of pairing each the described physics web plate of described logic web plate, and binding realizes connection communication in the frame;
Connection communication is by the port carrying of operate as normal in its pairing described physics web plate port in the described frame.
In addition, transmit on described business board and described physics web plate the port the operate as normal in described physics web plate port of connection communication flow mean allocation in the described frame;
When arbitrary port broke down in the described physics web plate port of connection communication in the described frame of carrying, described business board and described physics web plate were abandoned the interconnection of this port, redistributed the interior communication flows of described frame and transmitted on the port of all the other operate as normal.
In addition, also comprise at least one from frame;
The described described logic web plate that forms by at least two described physics web plate bindings that also comprises from frame;
Described logic web plate from frame corresponding described physics web plate port and described main frame the logic web plate the port of corresponding described physics web plate link to each other one by one, binding realizes interframe interconnection communication;
Wherein, corresponding all the described physics web plates realization Port BindingBundlings of the pairing any physics web plate of described logic web plate with the logic web plate institute of described main frame from frame, corresponding all the described physics web plates realization Port BindingBundlings of the pairing any physics web plate of the logic web plate of described main frame with described logic web plate institute from frame
Described interframe interconnection communication flows is by the port carrying of operate as normal in its pairing described physics web plate port.
In addition, describedly transmit from frame logic web plate and described main frame logic web plate port with described interframe interconnection communication flows mean allocation operate as normal its pairing described physics web plate port;
When arbitrary port breaks down in the described physics web plate port of the described interframe interconnection communication of carrying, describedly abandon the interconnection of this port, redistribute that communication flows transmits between described frame on the port of all the other operate as normal from frame logic web plate and described main frame logic web plate.
In addition, at least two ports separately of described main frame or at least two physics web plates in the frame interconnect respectively, and binding realizes the web plate connection communication;
Described web plate connection communication flow is by the port carrying of operate as normal in its pairing described physics web plate port.
In addition, when the port of described physics web plate or business board carried out binding communication, the different message in the address in source was mapped on each port by hash mode and transmits.
In addition, described physics web plate is used to realize the function of exchange of following any one network of network layer or link layer:
Fast Ethernet, gigabit Ethernet and ten thousand mbit ethernets.
In addition, described physics web plate is realized described Port BindingBundling function based on Ethernet switching chip;
Described business board processor Network Based, programmable logic chip or other processing apparatus are realized described Port BindingBundling function.
By relatively finding, the main distinction of technical scheme of the present invention and prior art is, adopt the Port BindingBundling technology to realize the reliable interconnect of communication equipment inside, by Port BindingBundling with two mutually redundant physics web plate binding communications, form a logic web plate, the business board in the frame all carries out Port BindingBundling to communicate by letter in the realization frame with two physics web plates;
Logic web plate between the different frames is realized totally interconnected, and promptly any one physics web plate is all realized the binding interconnection with two physics web plates of the other side, thereby realizes the high reliability that the main/slave link protection is switched;
Same frame internal physical web plate also can bundle interconnection, has so just realized totally interconnected between all Switching Modules of system, realizes the redundancy backup of link between plate;
Business board or web plate can the selecting side port communications on this basis, realize the mean allocation of traffic load at port, abandon this link when port failure automatically, realize that other protection of link level switches;
Realize binding on IP network equipment easily, business board is realized the Port BindingBundling function by the network processing unit, programmable logic chip or other processing apparatus that carry, and the physics web plate is realized the Port BindingBundling function by the function of exchange chip.
Difference on this technical scheme has brought comparatively significantly beneficial effect, and promptly the binding of interconnection, interframe interconnection realizes effectively avoiding the fault of single physical circuit and causes that system, veneer are unavailable between plate, improves system reliability;
Interconnection in the frame, totally interconnected binding realize improving transmission reliability, if one of them physical port or a physical link break down, other physical links can be shared the business of faulty link, and business can not interrupted, and improves link stability;
Easily realize the mechanism of link load sharing, load balancing on the binding interconnecting link, can on many link aggregations, share interconnect traffic, in the available link bandwidth scope of operate as normal, farthest improve bandwidth availability ratio;
The Port BindingBundling implementation can guarantee the consistency of internal system interconnection pattern, all adopts unified interconnection pattern between the frame inside casing, is beneficial to the unified strategy of software processes, link detecting, fault management;
Adopt Port BindingBundling that a kind of low-cost solution of bandwidth expansion is provided, by the protocol function that Ethernet switching chip provides, the simple realization internal system is totally interconnected, does not need to increase additional hardware, and it is convenient to realize, reduces system cost.
Description of drawings
Fig. 1 is a kind of traditional communication equipment built-in system planar interconnect pattern diagram in the prior art;
Fig. 2 is the physical schematic of communication equipment intraconnection of the present invention;
Fig. 3 is the logical schematic of communication equipment intraconnection of the present invention;
Fig. 4 is the main frame intraconnection pattern diagram according to the communication equipment of first embodiment of the invention;
Fig. 5 is that main frame according to the communication equipment inside of second embodiment of the invention is from frame interconnection pattern schematic diagram.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with accompanying drawing.
The present invention is actually the Port BindingBundling technology is applied to intraconnection based on the facility communication system of Ethernet exchange, and a kind of solution of complete intraconnection is provided.The physics block diagram of communication equipment intraconnection of the present invention as shown in Figure 2, be meant two physics web plates in certain frame of communication equipment inside from frame switching network 1,2, can be layer two (MAC layer) or the exchange of layer three (IP layer) of the FE or the GE of a constant volume, can realize by the exchange chip of special use in actual applications.
In frame, finish communication between the physics web plate by the web plate interconnection from the physics web plate interconnect port of frame switching network 1,2; From all finishing the operation exchange between two physics web plates and business board between frame switching network 1,2 and the business board by interconnecting in the frame.
And between frame, use interframe interconnection, and realize the expansion of system, promptly finish piling up of many frames.
Corresponding with physical structure shown in Figure 2, the logical relation of this communication equipment intraconnection as shown in Figure 3.
In frame, adopt PORT TRUNKING (Port BindingBundling) agreement to realize the multiport binding from the physics web plate interconnect port of 1,2 of frame switching networks, thereby realize that two physics web plates logically form a logic web plate; Also all adopt the PORTTRUNKING agreement to realize the multiport binding from the interconnect port between frame switching network 1,2 and the business board, also all form an interconnect port in logic.
And between frame, the interframe interconnection port can adopt PORT TRUNKING agreement to realize the binding of multiport equally, forms an interconnect port in logic.
The port of PORT TRUNKING can be shared interconnect traffic on many link aggregations each other: when flow is controlled (Medium Access Control by source IP or media interviews; be called for short " MAC ") purpose IP (or MAC) address that will arrive by the Port BindingBundling link, address not simultaneously, can select different ports.This realizes by Hash (Hash) algorithm, for example at source in the message or the summation of purpose IP (or MAC) address, then the port number complementation of binding is decided the whereabouts of message.
The main frame intraconnection pattern of the communication equipment of first embodiment of the invention as shown in Figure 4.
Communication equipment master frame comprises at least two (also can be more), physics web plate and one or more business board with function of exchange.
These two physics web plates are realized the web plate connection communication by its corresponding port (GE switching network port) binding, thereby form a logic web plate.This Port BindingBundling implementation can guarantee the consistency of internal system interconnection pattern.Wherein, the port of logic web plate is carried jointly by the port of these physics web plate operate as normal.The binding of web plate interconnection can effectively be avoided causing that because of the fault of single physical circuit veneer is unavailable, improves the reliability of logic web plate.
In addition, the port of each business board (MAC port) links to each other respectively with the port of pairing each the physics web plate of logic web plate respectively, and also realizes connection communication in the frame by binding.The interconnection binding realizes improving transmission reliability in the frame, if one of them physical port or a physical link break down, other physical link can be shared the business of faulty link, and business can not interrupted, and improves link stability.Like this, the mechanism of link load sharing, load balancing also is easy to realize on the binding interconnecting link.
Connection communication is also carried jointly by the port of the physics web plate of operate as normal in the frame, and, in the frame connection communication flow by business board and physics web plate mean allocation on these ports.When arbitrary port broke down in the physics web plate port of connection communication in carrying frame, business board and physics web plate were just abandoned the interconnection of this port, again communication flows in the frame were assigned on the link of port of all the other operate as normal to transmit.Because on many link aggregations, shared communication flows jointly, can in the available link bandwidth scope of operate as normal, farthest improve bandwidth availability ratio like this.
The main frame of the communication equipment inside of second embodiment of the invention from the frame interconnection pattern as shown in Figure 5.By the comparison of Fig. 5 and Fig. 4, apparent, the main frame in the communication equipment of present embodiment and from frame intraconnection pattern is identical with main frame intraconnection pattern in first execution mode, does not give unnecessary details at this.Difference is, present embodiment is a main frame and from the frame interconnection pattern.
Comprise a main frame and one (also can for a plurality of) in the present embodiment from frame.
Between frame and main frame, link to each other one by one with the physics web plate port of the logic web plate of main frame by physics web plate port from the logic web plate of frame, formation is from the interconnection of the logic web plate of frame and main frame, i.e. interframe interconnection, and also realize interframe interconnection communication by binding.The unified interconnection pattern that all adopts between this frame inside casing, the unification that helps software processes, link detecting, fault management is tactful.
Wherein, realize Port BindingBundling from any physics web plate of frame and all physics web plates of main frame, any physics web plate of main frame also will be realized Port BindingBundling with all the physics web plates from frame.When the fault point D of as shown in Figure 5 crossover location, physics web plate 1,3 faults at F place, between four business boards still can by with physics web plate 2 or physics web plate 4 between be connected and communicate, and also interconnected between physics web plate 2 and the physics web plate 4, so can also keep proper communication between four business boards by bundling.The binding of this interframe interconnection can effectively be avoided improving the reliability of communication because of intersecting communication disruption between the frame that the fault of physics web plate causes.
Same, the interframe interconnection communication flows is also carried by the port of corresponding physical web plate operate as normal, and by transmitting to these ports from frame logic web plate and main frame logic web plate mean allocation.When the physics web plate arbitrary port of connection communication between bearing frame breaks down, abandon the interconnection of this port from frame logic web plate and main frame logic web plate, again communication flows between frame is assigned on the port of all the other operate as normal and transmits.As shown in Figure 5, if the E point failure only needs the communication flows on this link is assigned on the link of other operate as normal of interframe interconnection, can not cause too much influence to communication equipment.
In sum, the communication equipment of present embodiment adopts this totally interconnected tie-in mode can improve its transmission reliability greatly in inside, and can farthest improve bandwidth availability ratio in the available link bandwidth scope of its operate as normal.
Can be at the physics web plate described in first and second execution modes by realize the Port BindingBundling function based on Ethernet switching chip; And business board can pass through processor Network Based (NetworkProcessor, be called for short " NP "), programmable logic device (Programmable Logic Device is called for short " PLD ") or other processing apparatus and realizes the Port BindingBundling function.Wherein, the physics web plate can be used to realize the function of exchange of following any one network of network layer or link layer: Fast Ethernet, gigabit Ethernet and ten thousand mbit ethernets.And Port BindingBundling is a kind of low-cost solution of bandwidth expansion, and only need do not need to increase additional hardware by the protocol function that Ethernet switching chip provides, and the simple realization internal system is totally interconnected, reduces system cost.
Though pass through with reference to some of the preferred embodiment of the invention, the present invention is illustrated and describes, but those of ordinary skill in the art should be understood that and can do various changes to it in the form and details, and without departing from the spirit and scope of the present invention.
Claims (9)
1. the communication equipment of an internal reliable interconnect is characterized in that, comprises at least two physics web plates with function of exchange, and the existing binding communication of its corresponding end cause for gossip is formed a logic web plate;
The port of described logic web plate is jointly carried by the port of operate as normal in the port of two described physics web plates at least.
2. the communication equipment of internal reliable interconnect according to claim 1 is characterized in that, also comprises at least one business board, belongs to same main frame with described logic web plate;
The port of described business board links to each other respectively with the port of pairing each the described physics web plate of described logic web plate, and binding realizes connection communication in the frame;
Connection communication is by the port carrying of operate as normal in its pairing described physics web plate port in the described frame.
3. the communication equipment of internal reliable interconnect according to claim 2 is characterized in that, transmits on described business board and the described physics web plate port with the operate as normal in described physics web plate port of connection communication flow mean allocation in the described frame;
When arbitrary port broke down in the described physics web plate port of connection communication in the described frame of carrying, described business board and described physics web plate were abandoned the interconnection of this port, redistributed the interior communication flows of described frame and transmitted on the port of all the other operate as normal.
4. the communication equipment of internal reliable interconnect according to claim 2 is characterized in that, also comprises at least one from frame;
The described described logic web plate that forms by at least two described physics web plate bindings that also comprises from frame;
Described logic web plate from frame corresponding described physics web plate port and described main frame the logic web plate the port of corresponding described physics web plate link to each other one by one, binding realizes interframe interconnection communication;
Wherein, corresponding all the described physics web plates realization Port BindingBundlings of the pairing any physics web plate of described logic web plate with the logic web plate institute of described main frame from frame, corresponding all the described physics web plates realization Port BindingBundlings of the pairing any physics web plate of the logic web plate of described main frame with described logic web plate institute from frame
Described interframe interconnection communication flows is by the port carrying of operate as normal in its pairing described physics web plate port.
5. the communication equipment of internal reliable interconnect according to claim 4, it is characterized in that, describedly transmit from frame logic web plate and described main frame logic web plate port with described interframe interconnection communication flows mean allocation operate as normal its pairing described physics web plate port;
When arbitrary port breaks down in the described physics web plate port of the described interframe interconnection communication of carrying, describedly abandon the interconnection of this port, redistribute that communication flows transmits between described frame on the port of all the other operate as normal from frame logic web plate and described main frame logic web plate.
6. the communication equipment of internal reliable interconnect according to claim 4 is characterized in that, at least two ports separately of described main frame or at least two physics web plates in the frame interconnect respectively, and binding realizes the web plate connection communication;
Described web plate connection communication flow is by the port carrying of operate as normal in its pairing described physics web plate port.
7. according to the communication equipment of any described internal reliable interconnect in the claim 6, it is characterized in that when the port of described physics web plate or business board carried out binding communication, the different message in the address in source was mapped on each port by hash mode and transmits.
8. according to the communication equipment of any described internal reliable interconnect in the claim 1 to 7, it is characterized in that described physics web plate is used to realize the function of exchange of following any one network of network layer or link layer:
Fast Ethernet, gigabit Ethernet and ten thousand mbit ethernets.
According to Claim 8 in the communication equipment of any described internal reliable interconnect, it is characterized in that described physics web plate is realized described Port BindingBundling function based on Ethernet switching chip;
Described business board processor Network Based, programmable logic chip or other processing apparatus are realized described Port BindingBundling function.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2005101111869A CN100426743C (en) | 2005-12-06 | 2005-12-06 | Internal reliable interconnect communication device |
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| CNB2005101111869A CN100426743C (en) | 2005-12-06 | 2005-12-06 | Internal reliable interconnect communication device |
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| CN2008101000681A Division CN101360043B (en) | 2005-12-06 | 2005-12-06 | Communication apparatus reliably connected inside |
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| CN1859175A true CN1859175A (en) | 2006-11-08 |
| CN100426743C CN100426743C (en) | 2008-10-15 |
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| CN101877631A (en) * | 2010-06-28 | 2010-11-03 | 中兴通讯股份有限公司 | Server and business switching method thereof |
| WO2011003337A1 (en) * | 2009-07-09 | 2011-01-13 | 华为技术有限公司 | Method, system and apparatus for protecting link data |
| CN101588587B (en) * | 2008-05-20 | 2011-02-23 | 大唐移动通信设备有限公司 | Processing method and processing device after communication port fault |
| CN103491029A (en) * | 2013-09-11 | 2014-01-01 | 福建星网锐捷网络有限公司 | Switching method of channels in service card and service card |
| WO2016095758A1 (en) * | 2014-12-18 | 2016-06-23 | 中兴通讯股份有限公司 | Cross-board forwarding method and apparatus |
| CN108616376A (en) * | 2016-12-12 | 2018-10-02 | 中国航空工业集团公司西安航空计算技术研究所 | A kind of FC network system failures dynamic reconfiguration method |
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| CN1128510C (en) * | 2001-01-13 | 2003-11-19 | 深圳市中兴通讯股份有限公司 | Single board with non-return standby protection |
| CN1540933A (en) * | 2003-04-23 | 2004-10-27 | 华为技术有限公司 | Service board interface and method of interconnection between exchange planes of Ethernet in double kM |
| CN1599292B (en) * | 2003-09-19 | 2010-04-28 | 中兴通讯股份有限公司 | Single-board backup method and device with line protection |
| CN1269023C (en) * | 2003-10-22 | 2006-08-09 | 中兴通讯股份有限公司 | Method of constructing multiplate embedded type system |
| CN100353680C (en) * | 2004-02-25 | 2007-12-05 | 华为技术有限公司 | Device of implementing backup for communication equipment in multistage and method of rearranging main and standby devices |
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| CN101588587B (en) * | 2008-05-20 | 2011-02-23 | 大唐移动通信设备有限公司 | Processing method and processing device after communication port fault |
| WO2011003337A1 (en) * | 2009-07-09 | 2011-01-13 | 华为技术有限公司 | Method, system and apparatus for protecting link data |
| CN101610143B (en) * | 2009-07-09 | 2012-09-19 | 华为技术有限公司 | Protection method, system and device of link data |
| CN101877631A (en) * | 2010-06-28 | 2010-11-03 | 中兴通讯股份有限公司 | Server and business switching method thereof |
| CN103491029A (en) * | 2013-09-11 | 2014-01-01 | 福建星网锐捷网络有限公司 | Switching method of channels in service card and service card |
| CN103491029B (en) * | 2013-09-11 | 2016-09-28 | 福建星网锐捷网络有限公司 | The changing method of passage and service card in a kind of service card |
| WO2016095758A1 (en) * | 2014-12-18 | 2016-06-23 | 中兴通讯股份有限公司 | Cross-board forwarding method and apparatus |
| CN105763472A (en) * | 2014-12-18 | 2016-07-13 | 中兴通讯股份有限公司 | Trans-board forwarding method and device |
| JP2017539173A (en) * | 2014-12-18 | 2017-12-28 | ゼットティーイー コーポレイション | Crossboard transfer method and apparatus, program, and recording medium |
| CN108616376A (en) * | 2016-12-12 | 2018-10-02 | 中国航空工业集团公司西安航空计算技术研究所 | A kind of FC network system failures dynamic reconfiguration method |
| CN110618956A (en) * | 2019-08-01 | 2019-12-27 | 苏州浪潮智能科技有限公司 | BMC cloud platform resource pooling method and system |
| CN110618956B (en) * | 2019-08-01 | 2021-06-29 | 苏州浪潮智能科技有限公司 | BMC cloud platform resource pooling method and system |
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| CN100426743C (en) | 2008-10-15 |
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