CN103916360A - Method for data transmission between nodes in RAC and related device - Google Patents
Method for data transmission between nodes in RAC and related device Download PDFInfo
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- CN103916360A CN103916360A CN201210591900.9A CN201210591900A CN103916360A CN 103916360 A CN103916360 A CN 103916360A CN 201210591900 A CN201210591900 A CN 201210591900A CN 103916360 A CN103916360 A CN 103916360A
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Abstract
The embodiment of the invention provides a method for data transmission between nodes in an RAC (Real Application Cluster) and a related device. A node in the RAC adopts an RDS protocol to send a request data packet to a specified network switching device and the specified network switching device adopts the RDS protocol to forward the request data packet to a target node in the RAC; and a response data packet, which is from the target node and forwarded by the specified network switching device through adoption of the RDS protocol and is corresponding to the request data packet, is received. Therefore, the transmission efficiency for data transmission between the nodes in the RAC is improved. The invention relates to the technical field of database.
Description
Technical field
The present invention relates to database technical field, relate in particular to internodal data transmission method and relevant device in a kind of RAC.
Background technology
Real Application Clusters (RAC, Real Application Cluster) technology is used for realizing the same physical database of multiple nodes sharing under oracle database cluster environment.RAC forms (each physical computer is called a node) by several physical computers, between the node in RAC, connects (being called again heartbeat) by netting twine.On each node in RAC, move an example (Instance), these examples are by the assistance of cluster part (Clusterware), physical database of co-operate.From the angle of external user, external user is only seen a database.
Each node in RAC, can be provided with two network interface cards, a network interface card is public network interface card (Public NIC), and public network interface card is for externally providing service, another piece network interface card is privately owned network interface card (Private NIC), and privately owned network interface card is for the privately owned communication in the internodal inside of RAC; Therefore,, in RAC environment, there are three networks.First network, is by the public network interface card in the node in RAC, and connects the network of the network switching equipment composition of these public network interface cards, for data query service etc. is externally provided; Second network, is by the privately owned network interface card in the node in RAC, and connects the private network of the network switching equipment composition of these privately owned network interface cards, is mainly used in transmitting the heartbeat data packets of each node in RAC, and intra-node transfer of data; The 3rd network is the storage networking by host bus adaptor (HBA, the Host Bus Adapter) composition of each node in memory device, optical fiber switch and RAC, for the data in save data storehouse are provided.
For large-scale data warehouse, the operation of operation system need to the RAC in the database of storage service data between node in a large number, reciprocal exchange of business data fast, meet the requirement of this operation system operation.In prior art, between the RAC node in database, (being the private network in RAC) adopts Standard User datagram protocol (UDP, User Datagram Protocol) transmission heartbeat data and the business datum in conventional TCP/IP system conventionally.Udp protocol is a kind of insecure connectionless protocol, and communicating pair can not connect before communication, but transmit leg is directly given recipient Packet Generation.Therefore, while using udp protocol transmission packet, because communicating pair does not connect in advance, transmission rate is subject to the impact of network condition very large.And the size of UDP message bag is restricted, maximum can not exceed 64K.
In sum, udp protocol is applicable to once to transmit low volume data, the applied environment not high to reliability requirement.And frequently carry out the node in intercommunicating RAC for needs, if use udp protocol to carry out transfer of data a large amount of between node, the UDP message bag quantity of transmission is many can cause network delay, seal off frequently packet and can take node in RAC and a large amount of system resource of the network switching equipment that is connected the node in RAC, the performance of database cannot be guaranteed.
Summary of the invention
The embodiment of the present invention provides internodal data transmission method and relevant device in a kind of RAC, the low problem of efficiency of transmission while carrying out transfer of data in order to solve between the node of RAC in prior art.
Based on the problems referred to above, one of internodal data transmission method in a kind of RAC that the embodiment of the present invention provides, comprising:
The network switching equipment receives the packet that the node in RAC adopts reliable Datagram Socket RDS agreement to send;
Destination address to the described packet receiving is resolved, and determines the destination node of described packet in described RAC;
Adopt RDS agreement to send described packet to the described destination node of determining.
In a kind of RAC that the embodiment of the present invention provides two of internodal data transmission method, comprising:
Node in RAC adopts reliable Datagram Socket RDS agreement to send request packet to specified network switching equipment, and by described specified network switching equipment adopt RDS agreement by described request package forward to the destination node in described RAC;
Receive the response data packet corresponding with described request packet from described destination node that described specified network switching equipment adopts RDS protocol forward.
A kind of network switching equipment that the embodiment of the present invention provides, comprising:
Receiver module, the packet that adopts reliable Datagram Socket RDS agreement to send for receiving the node of RAC;
Parsing module, resolves for the destination address of the described packet to described receiver module reception, determines the destination node of described packet in described RAC;
Sending module, for adopting RDS agreement to send described packet to the described destination node of determining.
Node in a kind of RAC that the embodiment of the present invention provides, comprising:
Sending module, for adopting reliable Datagram Socket RDS agreement to send request packet to specified network switching equipment, and by described specified network switching equipment adopt RDS agreement by described request package forward to the destination node in described RAC;
Receiver module, for receiving the response data packet corresponding with described request packet from described destination node of described specified network switching equipment employing RDS protocol forward.
The beneficial effect of the embodiment of the present invention comprises:
Internodal data transmission method and relevant device in a kind of RAC that the embodiment of the present invention provides, node in RAC adopts RDS agreement to send request packet to specified network switching equipment, and adopts RDS agreement that this request data package is forwarded to the destination node in RAC by specified network switching equipment; Receive the response data packet corresponding with this request data package from destination node that specified network switching equipment adopts RDS protocol forward.In RAC in internodal communication process, adopt RDS agreement to replace traditional udp protocol, the data volume that when data volume that during due to employing RDS protocol transmission data, each packet carries is transmitted data than use udp protocol, each packet carries is large, therefore adopt RDS protocol transmission packet that data packet transceive both sides' system resource is taken few, simultaneously, RDS is not the agreement in traditional TCP/IP system, therefore data packet transceive both sides during at transceiving data bag, do not need data to carry out multilayer encapsulation or multilayer parsing, further improve the treatment effeciency of data packet transceive both sides to packet, improve the efficiency of transmission of carrying out transfer of data between the node of RAC.
Brief description of the drawings
The flow chart of one of internodal data transmission method in a kind of RAC that Fig. 1 provides for the embodiment of the present invention;
Two of internodal data transmission method flow chart in a kind of RAC that Fig. 2 provides for the embodiment of the present invention;
The embodiment flow chart of internodal data transmission method in a kind of RAC that Fig. 3 provides for the embodiment of the present invention;
The structure chart of a kind of network switching equipment that Fig. 4 provides for the embodiment of the present invention;
The structure chart of the node in a kind of RAC that Fig. 5 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with Figure of description, in a kind of RAC that the embodiment of the present invention is provided, the embodiment of internodal data transmission method and equipment describes.
Internodal data transmission method in a kind of RAC that the embodiment of the present invention provides, is applied in network switching equipment side, as shown in Figure 1, specifically comprises the following steps:
The packet that node in S101, reception RAC adopts RDS agreement to send;
S102, the destination address of packet receiving is resolved, determine the destination node of above-mentioned packet in above-mentioned RAC;
S103, employing RDS agreement send above-mentioned packet to the above-mentioned purpose node of determining.
Further, the network switching equipment in the embodiment of the present invention can be the common network switching equipment, can be also the Infiniband network switching equipment.
Internodal data transmission method in a kind of RAC that the embodiment of the present invention provides, is applied in the node side in RAC, as shown in Figure 2, specifically comprises the following steps:
Node in S201, RAC adopts RDS agreement to send request packet to specified network switching equipment, and adopts RDS agreement that this request data package is forwarded to the destination node in RAC by this specified network switching equipment;
S202, receive this specified network switching equipment and adopt the response data packet corresponding with this request data package from above-mentioned purpose node of RDS protocol forward.
Further, in above-mentioned steps S201, specified network switching equipment can be the network switching equipment being connected with the node in RAC.
Further, in above-mentioned steps S201, node in RAC adopts RDS agreement to send request packet to specified network switching equipment, can be that node in RAC adopts RDS agreement to send heartbeat request packet to specified network switching equipment, heartbeat request packet be used for determining that whether the destination node that receives this request data package in RAC is in normal condition; In the time that the node in RAC receives specified network switching equipment and adopts the heartbeat response data packet corresponding with above-mentioned heartbeat request packet from destination node of RDS protocol forward, can determine that destination node is in normal condition, and can adopt RDS agreement to send service request data bag to specified network switching equipment, receive the service response packet corresponding with above-mentioned service request data bag from destination node of specified network switching equipment employing RDS protocol forward.
Further, in the embodiment of the present invention, for the switching equipment of specifying is provided with at least one network switching equipment for subsequent use.When the network switching equipment of specifying is during in normal condition, can be by above-mentioned flow process (S201-S202) transmission packet, use (specified network switching equipment may suspend use due to fault or renewal system etc.) when specified network switching equipment suspends after, node in RAC can adopt RDS agreement to send request packet to the backup network switching equipment of this specified network switching equipment, and adopts RDS agreement that this request data package is forwarded to the destination node in RAC by this backup network switching equipment; The flow process that receives packet is: the response data packet corresponding with request data package from destination node that receives this backup network switching equipment employing RDS protocol forward;
Preferably, when concrete enforcement, can make node and specified network switching equipment in RAC set up physical link, make node and backup network switching equipment in RAC set up physical link simultaneously, connected mode between specified network switching equipment and each backup network switching equipment can adopt directly and be connected, also can pass through other network switching equipment cascades, concrete condition is determined according to different network topologies.Simultaneously, use automatic port polymerization technique (APA, Auto Port Aggregation) these physical links invent a virtual link by technology, and the node in RAC communicates by this virtual link and specified network switching equipment or backup network switching equipment.Can increase like this link bandwidth, in the time of one of them link fails, two links can seamless switching, data traffic mean allocation.Between node in RAC, realize load balancing and system redundancy, ensured Database Systems continuous service, and the continuity of business.
Further, in the embodiment of the present invention, in RAC, between node and specified network switching equipment, can set up at least two links, i.e. the first link or the first link the second link for subsequent use.When the first link between the node in RAC and specified network switching equipment is during in normal condition, adopt RDS agreement to send request packet by this first chain road direction specified network switching equipment; When this first link is during in abnormality, adopt RDS agreement by and specified network switching equipment between the second chain road direction specified network switching equipment for subsequent use of the first link send request packet;
Preferably, in RAC, between node and each backup network switching equipment, also can set up at least two links, if the link of setting up between node and specified network switching equipment or each backup network switching equipment in RAC is physical link, when concrete enforcement, can use APA technology that above-mentioned physical link is invented to a virtual link, the node in RAC communicates by this virtual link and specified network switching equipment or backup network switching equipment.Two virtual links setting up between node and specified network switching equipment or backup network switching equipment in RAC, can first use wherein one, another link is done for subsequent use, also can use two links simultaneously, article one, receive packet, article one, send out packet, the concrete using method of two physical links is determined on a case-by-case basis, and is not construed as limiting here.
In order to further illustrate internodal data transmission method in a kind of RAC that the embodiment of the present invention provides, describe with a specific embodiment below, in the present embodiment, using Infiniband switch as forwarding in RAC the specified network switching equipment of data between node; The flow chart of internodal data transmission method in a kind of RAC that Fig. 3 provides for the embodiment of the present invention, comprises the following steps:
First node in S301, RAC adopts RDS agreement periodically to send heartbeat request packet to corresponding Infiniband switch.
In this step, the form that the node in RAC can adopt broadcast sends heartbeat request packets to other nodes in RAC, to confirm that whether other nodes in RAC are in normal condition;
S302, Infiniband switch parse the destination address of heartbeat request packet after receiving the heartbeat request packet of first node transmission, and other nodes that adopt RDS agreement that heartbeat request Packet Generation is identified to the destination address parsing.
S303, Infiniband switch employing RDS agreement adopt RDS agreement that this heartbeat response data packet is transmitted to first node after receiving the heartbeat response data packet of other nodes transmissions.
S304, first node be according to the heartbeat response data packet that whether receives other nodes, judges that other nodes in RAC, whether in normal condition, if so, enter step S306, if not, enters step S305.
In this step, first node can determine that whether other nodes are in normal condition according to the heartbeat response data packet that whether receives other nodes in RAC, whether definite other nodes of response time that also can send heartbeat response data packet by other nodes, in normal condition, are not specifically limited here.
S305, the node in abnormality is further detected, take corresponding processing according to testing result.
In this step, RAC mechanism also will further detect for detecting abnormal node by RDS heartbeat packet, is for further processing according to testing result again, repeats no more here.
S306, first node adopt RDS agreement to send service request data bag to corresponding Infiniband switch.
Further, in the embodiment of the present invention, transfer of data (comprising heartbeat data packets and business data packet) between node in RAC adopts RDS agreement instead of udp protocol, except the efficiency of RDS agreement own is higher than udp protocol, also having a reason is for example exactly, for node in the network switch (Infiniband switch) and RAC, if its bottom hardware adopts host channel adapter (HCA, Host Channel Adapter) or remote direct memory accesses network interface card (RNIC, RDMA NIC) (wherein, RDMA NIC is Remote Direct Memory Access Network Interface Card) etc. support the hardware of RDS agreement, the transmission meeting that uses RDS agreement to replace udp protocol to carry out packet further improves data transmission efficiency.To send packet as example, if employing udp protocol, application data is after the encapsulation of udp protocol, pass through again the encapsulation of IP agreement, can not directly send to bottom hardware, because the particularity of bottom hardware, do not support general ICP/IP protocol stack, therefore also needing packet after IP protocol encapsulation to use IPoIB(Internet Protocol over InfiniBand) agreement encapsulates, just can send to bottom hardware to process, and employing RDS agreement, application data is directly by RDS protocol encapsulation, bottom hardware just can be processed packet, like this, in the time sending packet, reduce the flow process of encapsulated data packet, in the time receiving packet, reduce the flow process of splitting datagram, improve further the efficiency of data packet transmission.
S307, Infiniband switch parse the destination address of service request data bag after receiving the service request data bag of first node transmission, and adopt RDS agreement service request data bag to be transmitted to the destination node of the destination address mark parsing.
S308, Infiniband switch adopt after RDS agreement receives the service response packet that destination node sends, adopt RDS agreement by this service response package forward to first node.
Based on same inventive concept, the embodiment of the present invention also provides the relevant device of internodal transfer of data in a kind of RAC, because the principle that these equipment are dealt with problems is similar to internodal data transmission method in aforementioned a kind of RAC, therefore the enforcement of this equipment can be referring to the enforcement of preceding method, repeats part and repeat no more.
The embodiment of the present invention provides a kind of network switching equipment, as shown in Figure 4, specifically comprises following module:
Receiver module 401, the packet that adopts RDS agreement to send for receiving the node of RAC;
Parsing module 402, resolves for the destination address of packet that above-mentioned receiver module 401 is received, determines the destination node of this packet in RAC;
Sending module 403, for adopting RDS agreement to send above-mentioned packet to the destination node of determining.
The embodiment of the present invention provides the node in a kind of RAC, as shown in Figure 5, specifically comprises as lower module:
Sending module 501, for adopting RDS agreement to send request packet to specified network switching equipment, and adopts RDS agreement that this request data package is forwarded to the destination node in RAC by specified network switching equipment;
Receiver module 502, for receiving the response data packet corresponding with above-mentioned request data package from destination node of specified network switching equipment employing RDS protocol forward.
Further, in the above-mentioned node that the embodiment of the present invention provides, above-mentioned sending module 501, specifically for adopting RDS agreement to send heartbeat request packet to specified network switching equipment, and by above-mentioned specified network switching equipment adopt RDS agreement by above-mentioned heartbeat request package forward to the destination node in RAC;
Above-mentioned receiver module 502, adopt the heartbeat response data packet corresponding with above-mentioned heartbeat request packet from above-mentioned purpose node of RDS protocol forward specifically for receiving above-mentioned specified network switching equipment, for determining that whether above-mentioned purpose node is in normal condition.
Further, in the above-mentioned node that the embodiment of the present invention provides, above-mentioned sending module 501, specifically for when definite above-mentioned purpose node is during in normal condition, adopt RDS agreement to send service request data bag to above-mentioned specified network switching equipment, and adopt RDS agreement that above-mentioned service request data bag is forwarded to above-mentioned purpose node by above-mentioned specified network switching equipment;
Above-mentioned receiver module 502, specifically for receiving the service response packet corresponding with above-mentioned service request data bag from above-mentioned purpose node of above-mentioned specified network switching equipment employing RDS protocol forward.
Further, in the above-mentioned node that the embodiment of the present invention provides, above-mentioned sending module 501, specifically for after determining that above-mentioned specified network switching equipment suspends use, adopt RDS agreement to send request packet to the backup network switching equipment of above-mentioned specified network switching equipment, and adopt RDS agreement that above-mentioned request data package is forwarded to the destination node in above-mentioned RAC by above-mentioned backup network switching equipment;
Above-mentioned receiver module 502, specifically for receiving the response data packet corresponding with above-mentioned request data package from above-mentioned purpose node of above-mentioned backup network switching equipment employing RDS protocol forward.
Further, in the above-mentioned node that the embodiment of the present invention provides, above-mentioned sending module 501, specifically for when the first link between above-mentioned node and above-mentioned specified network switching equipment is during in normal condition, adopt RDS agreement to send request packet by above-mentioned the first chain road direction specified network switching equipment; When above-mentioned the first link is during in abnormality, adopt RDS agreement by and above-mentioned specified network switching equipment between second link for subsequent use of above-mentioned the first link send request packet to above-mentioned specified network switching equipment.
Internodal data transmission method and relevant device in a kind of RAC that the embodiment of the present invention provides, node in RAC adopts RDS agreement to send request packet to specified network switching equipment, and adopts RDS agreement that this request data package is forwarded to the destination node in RAC by specified network switching equipment; Receive the response data packet corresponding with this request data package from destination node that specified network switching equipment adopts RDS protocol forward.In RAC in internodal communication process, adopt RDS agreement to replace traditional udp protocol, the data volume that when data volume that during due to employing RDS protocol transmission data, each packet carries is transmitted data than use udp protocol, each packet carries is large, therefore adopt RDS protocol transmission packet that data packet transceive both sides' system resource is taken few, simultaneously, RDS is not the agreement in traditional TCP/IP system, therefore data packet transceive both sides during at transceiving data bag, do not need data to carry out multilayer encapsulation or multilayer parsing, further improve the treatment effeciency of data packet transceive both sides to packet, improve the efficiency of transmission of carrying out transfer of data between the node of RAC.
Through the above description of the embodiments, those skilled in the art can be well understood to the embodiment of the present invention and can realize by hardware, and the mode that also can add necessary general hardware platform by software realizes.Based on such understanding, the technical scheme of the embodiment of the present invention can embody with the form of software product, it (can be CD-ROM that this software product can be stored in a non-volatile memory medium, USB flash disk, portable hard drive etc.) in, comprise that some instructions are in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) carry out the method described in each embodiment of the present invention.
It will be appreciated by those skilled in the art that accompanying drawing is the schematic diagram of a preferred embodiment, the module in accompanying drawing or flow process might not be that enforcement the present invention is necessary.
It will be appreciated by those skilled in the art that the module in the equipment in embodiment can be distributed in the equipment of embodiment according to embodiment description, also can carry out respective change and be arranged in the one or more equipment that are different from the present embodiment.The module of above-described embodiment can be merged into a module, also can further split into multiple submodules.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.
Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention the present invention.Like this, if these amendments of the present invention and within modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and modification interior.
Claims (12)
1. an internodal data transmission method in Real Application Clusters RAC, is characterized in that, comprising:
The network switching equipment receives the packet that the node in RAC adopts reliable Datagram Socket RDS agreement to send;
Destination address to the described packet receiving is resolved, and determines the destination node of described packet in described RAC;
Adopt RDS agreement to send described packet to the described destination node of determining.
2. an internodal data transmission method in Real Application Clusters RAC, is characterized in that, comprising:
Node in RAC adopts reliable Datagram Socket RDS agreement to send request packet to specified network switching equipment, and by described specified network switching equipment adopt RDS agreement by described request package forward to the destination node in described RAC;
Receive the response data packet corresponding with described request packet from described destination node that described specified network switching equipment adopts RDS protocol forward.
3. method as claimed in claim 2, is characterized in that, the node in RAC adopts RDS agreement to send request packet to specified network switching equipment, is specially:
Node in RAC adopts RDS agreement to send heartbeat request packet to specified network switching equipment, and by described specified network switching equipment adopt RDS agreement by described heartbeat request package forward to the destination node in described RAC;
Receive the response data packet corresponding with described request packet from described destination node that described specified network switching equipment adopts RDS protocol forward, be specially:
Receive the heartbeat response data packet corresponding with described heartbeat request packet from described destination node that described specified network switching equipment adopts RDS protocol forward, for determining that whether described destination node is in normal condition.
4. method as claimed in claim 3, is characterized in that, also comprises:
Node in RAC is when definite described destination node is during in normal condition, adopt RDS agreement to send service request data bag to described specified network switching equipment, and adopt RDS agreement that described service request data bag is forwarded to described destination node by described specified network switching equipment;
Receive the service response packet corresponding with described service request data bag from described destination node that described specified network switching equipment adopts RDS protocol forward.
5. method as claimed in claim 2, is characterized in that, also comprises:
Node in RAC is after determining that described specified network switching equipment suspends use, adopt RDS agreement to send request packet to the backup network switching equipment of described specified network switching equipment, and by described backup network switching equipment adopt RDS agreement by described request package forward to the destination node in described RAC;
Receive the response data packet corresponding with described request packet from described destination node that described backup network switching equipment adopts RDS protocol forward.
6. method as claimed in claim 2, is characterized in that, the node in RAC adopts RDS agreement to send request packet to specified network switching equipment, is specially:
When the first link between the node in RAC and described specified network switching equipment is during in normal condition, adopt RDS agreement to send request packet by described the first chain road direction specified network switching equipment;
When described the first link is during in abnormality, adopt RDS agreement by and described specified network switching equipment between the second chain road direction for subsequent use of described the first link described in specified network switching equipment send request packet.
7. a network switching equipment, is characterized in that, comprising:
Receiver module, the packet that adopts reliable Datagram Socket RDS agreement to send for receiving the node of RAC;
Parsing module, resolves for the destination address of the described packet to described receiver module reception, determines the destination node of described packet in described RAC;
Sending module, for adopting RDS agreement to send described packet to the described destination node of determining.
8. the node in RAC, is characterized in that, comprising:
Sending module, for adopting reliable Datagram Socket RDS agreement to send request packet to specified network switching equipment, and by described specified network switching equipment adopt RDS agreement by described request package forward to the destination node in described RAC;
Receiver module, for receiving the response data packet corresponding with described request packet from described destination node of described specified network switching equipment employing RDS protocol forward.
9. node as claimed in claim 8, it is characterized in that, described sending module, specifically for adopting RDS agreement to send heartbeat request packet to specified network switching equipment, and by described specified network switching equipment adopt RDS agreement by described heartbeat request package forward to the destination node in described RAC;
Described receiver module, specifically for receiving the heartbeat response data packet corresponding with described heartbeat request packet from described destination node of described specified network switching equipment employing RDS protocol forward, for determining that whether described destination node is in normal condition.
10. node as claimed in claim 9, it is characterized in that, described sending module, specifically for when definite described destination node is during in normal condition, adopt RDS agreement to send service request data bag to described specified network switching equipment, and adopt RDS agreement that described service request data bag is forwarded to described destination node by described specified network switching equipment;
Described receiver module, specifically for receiving the service response packet corresponding with described service request data bag from described destination node of described specified network switching equipment employing RDS protocol forward.
11. nodes as claimed in claim 8, it is characterized in that, described sending module, specifically for after determining that described specified network switching equipment suspends use, adopt RDS agreement to send request packet to the backup network switching equipment of described specified network switching equipment, and by described backup network switching equipment adopt RDS agreement by described request package forward to the destination node in described RAC;
Described receiver module, specifically for receiving the response data packet corresponding with described request packet from described destination node of described backup network switching equipment employing RDS protocol forward.
12. nodes as claimed in claim 8, it is characterized in that, described sending module, specifically for when the first link between described node and described specified network switching equipment is during in normal condition, adopts RDS agreement to send request packet by described the first chain road direction specified network switching equipment; When described the first link is during in abnormality, adopt RDS agreement by and described specified network switching equipment between the second chain road direction for subsequent use of described the first link described in specified network switching equipment send request packet.
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| CN201210591900.9A CN103916360A (en) | 2012-12-31 | 2012-12-31 | Method for data transmission between nodes in RAC and related device |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101425950A (en) * | 2008-11-05 | 2009-05-06 | 北京理工大学 | Network address hierarchical structure design and maintenance method based on geographic administrative division |
| CN102325192A (en) * | 2011-09-30 | 2012-01-18 | 上海宝信软件股份有限公司 | Cloud computing implementation method and system |
-
2012
- 2012-12-31 CN CN201210591900.9A patent/CN103916360A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101425950A (en) * | 2008-11-05 | 2009-05-06 | 北京理工大学 | Network address hierarchical structure design and maintenance method based on geographic administrative division |
| CN102325192A (en) * | 2011-09-30 | 2012-01-18 | 上海宝信软件股份有限公司 | Cloud computing implementation method and system |
Non-Patent Citations (1)
| Title |
|---|
| 倪颖杰，卢德平，陈忠平: ""基于Infiniband RDS协议的集群数据库高速互连应用研究"", 《2008年全国高性能计算学术年会》 * |
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