CN102870382B - Forwarding method, receiving method, first router an second router - Google Patents
Forwarding method, receiving method, first router an second router Download PDFInfo
- Publication number
- CN102870382B CN102870382B CN201280000926.XA CN201280000926A CN102870382B CN 102870382 B CN102870382 B CN 102870382B CN 201280000926 A CN201280000926 A CN 201280000926A CN 102870382 B CN102870382 B CN 102870382B
- Authority
- CN
- China
- Prior art keywords
- router
- message
- port
- outbound port
- outbound
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/18—Loop-free operations
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The embodiment of the present invention provides a forwarding method, including: a first router calculates and forwards the output port of a first message according to a first output port algorithm; the port number of the first output port is added to the first message by the first router, and a second message is generated; the first router via the first output port forwards a second message, and the second router calculates the output port which is going to forward the second message according to a second output port algorithm; a third router calculates the output port which is going to forward a third message according to a third output port algorithm; and when the port number of the third output port is unequal to the port number of the first output port, the second router will set the third output port algorithm as a default algorithm. In addition, the embodiment of the invention also provides other methods and apparatuses. According to technical proposals proposed by the present invention, the probability that the port number of an output port for forwarding data stream in downstream router is equal to the port number of an output port for forwarding the data stream in upstream router can be reduced.
Description
Technical field
The embodiment of the present invention relates to the communication technology, relates in particular to retransmission method, method of reseptance, the first router and the second router.
Background technology
In data communication field, data flow is through too much arriving destination after the forwarding of platform router under normal circumstances.
There is following technical problem in prior art:
The port numbers of the outbound port for transmitting data flow of downstream router equals the higher for forwarding the probability of port numbers of outbound port of this data flow of upstream router.Other outbound ports of downstream router are higher in the probability of idle condition.
For instance, Fig. 1 is a networking structure figure of the prior art.Referring to Fig. 1, in networking structure figure, comprise 7 routers, be respectively that router one is to router 7.Router one and router two have 2 outbound ports.Router one is connected with router two by the first outbound port.Router one is connected with router three by the second outbound port.Router two is connected with router four by the 3rd outbound port.Router two is connected with router five by the 4th outbound port.The port numbers of the first outbound port is 0.The port numbers of the second outbound port is 1.The port numbers of the 3rd outbound port is 0.The port numbers of the 4th outbound port is 1.Router two and router three are the downstream routers of router one.Router four and router five are the downstream routers of router two.
Router one receives after a data flow, and router one calculates the port numbers of the outbound port for forwarding this data flow according to outbound port algorithm, for example the first outbound port, and this data flow is forwarded.Router two receives after the data flow of router one forwarding, and router two calculates the port numbers of the outbound port for forwarding this data flow according to outbound port algorithm, for example the 3rd outbound port, and this data flow is forwarded.The port numbers of the 3rd outbound port equals the port numbers of the first outbound port.The port numbers of the 4th outbound port is not equal to the port numbers of the first outbound port.
In above-mentioned example, router two is using the 3rd outbound port as the outbound port for forwarding this data flow.In practice, router two is using higher as the probability of the outbound port for forwarding this data flow the 3rd outbound port.The 4th outbound port is higher in the probability of idle condition.
Summary of the invention
The embodiment of the present invention provides retransmission method, method of reseptance, the first router and the second router, can make the port numbers of the outbound port for transmitting data flow of downstream router be not equal to upstream router for forwarding the port numbers of outbound port of this data flow, and then the port numbers that reduces the outbound port for transmitting data flow of downstream router equal upstream router for forwarding the probability of port numbers of outbound port of this data flow.
On the one hand, a kind of retransmission method that one embodiment of the present of invention provide, comprising:
The first router is calculated the first outbound port that forwards the first message according to the first outbound port algorithm;
Described the first router is added the port numbers of described the first outbound port in described the first message to, generates the second message; With
Described the first router forwards described the second message by described the first outbound port, described the first router comprises multiple outbound ports that forward described the second message that can be used in, described the second message is used for triggering the second router and carries out following operation, and described the second router is the router that can receive described second message of described the first router forwarding:
Described the second router forwards the second outbound port of described the second message according to the second outbound port algorithm calculating wish, described the second router comprises that multiple can be used in forwards the outbound ports of described the second message, and described the second outbound port algorithm is the default algorithm in multiple outbound port algorithms of comprising of described the second router;
In the time that the port numbers of described the second outbound port equals the port numbers of described the first outbound port, described the second router forwards the 3rd outbound port of described the second message according to the 3rd outbound port algorithm calculating wish; With
In the time that the port numbers of described the 3rd outbound port is not equal to the port numbers of described the first outbound port, described the 3rd outbound port algorithm is set as the default algorithm in described multiple outbound port algorithms that described the second router comprises by described the second router.
On the other hand, a kind of method of reseptance that one embodiment of the present of invention provide, comprising:
The second router receives the second message, and described the second message obtains by following approach:
The first router is calculated the first outbound port that forwards the first message according to the first outbound port algorithm;
Described the first router is added the port numbers of described the first outbound port in described the first message to, generates described the second message; With
Described the first router forwards described the second message by described the first outbound port, and described the first router comprises multiple outbound ports that forward described the second message that can be used in;
Described the second router forwards the second outbound port of described the second message according to the second outbound port algorithm calculating wish, described the second router comprises that multiple can be used in forwards the ports of described the second message, and described the second outbound port algorithm is the default algorithm in multiple outbound port algorithms of comprising of described the second router;
In the time that the port numbers of described the second outbound port equals the port numbers of described the first outbound port in described the second message, described the second router is calculated the 3rd outbound port of the described new message of wish forwarding according to the 3rd outbound port algorithm; With
In the time that the port numbers of described the 3rd outbound port is not equal to the port numbers of described the first outbound port, described the 3rd outbound port algorithm is set as the default algorithm in described multiple outbound port algorithms that described the second router comprises by described the second router.
On the other hand, a kind of the first router that one embodiment of the present of invention provide, comprising:
Computing unit, for calculating the first outbound port that forwards the first message according to the first outbound port algorithm;
Adding device, for the port numbers of described the first outbound port being added to described the first message, generates the second message; With
Retransmission unit, for forwarding described the second message by described the first outbound port, described the first router comprises multiple outbound ports that forward described the second message that can be used in, described the second message is used for triggering the second router and carries out following operation, and described the second router is the router that can receive described second message of described the first router forwarding:
Described the second router forwards the second outbound port of described the second message according to the second outbound port algorithm calculating wish, described the second router comprises that multiple can be used in forwards the outbound ports of described the second message, and described the second outbound port algorithm is the default algorithm in described multiple outbound port algorithms of comprising of described the second router;
In the time that the port numbers of described the second outbound port equals the port numbers of described the first outbound port, described the second router forwards the 3rd outbound port of described the second message according to the 3rd outbound port algorithm calculating wish; With
In the time that the port numbers of described the 3rd outbound port is not equal to the port numbers of described the first outbound port, described the 3rd outbound port algorithm is set as the default algorithm in described multiple outbound port algorithms that described the second router comprises by described the second router.
On the other hand, a kind of the second router that one embodiment of the present of invention provide, comprising:
Receiving element, for receiving the second message, described the second message obtains by following approach:
The first router is calculated the first outbound port that forwards the first message according to the first outbound port algorithm;
Described the first router is added the port numbers of described the first outbound port in described the first message to, generates described the second message; With
Described the first router forwards described the second message by described the first outbound port, and described the first router comprises multiple outbound ports that forward described the second message that can be used in;
The first computing unit, forward the second outbound port of described the second message for calculating wish according to the second outbound port algorithm, described the second router comprises that multiple can be used in forwards the outbound ports of described the second message, and described the second outbound port algorithm is the default algorithm in multiple outbound port algorithms of comprising of described the second router;
The second computing unit, when equaling the port numbers of described the first outbound port of described the second message when the port numbers of described the second outbound port, calculates wish and forwards the 3rd outbound port of described new message according to the 3rd outbound port algorithm; With
Setup unit, in the time that the port numbers of described the 3rd outbound port is not equal to the port numbers of described the first outbound port, is set as the default algorithm in described multiple outbound port algorithms that described the second router comprises by described the 3rd outbound port algorithm.
In the technical scheme that the embodiment of the present invention provides, the second router is set as the 3rd outbound port algorithm after the default algorithm in multiple outbound port algorithms that the second router comprises, the second router receives with Secondary Report stationery to be had after the message of same characteristic features, and the outbound port of the above-mentioned message that the second router calculates according to the 3rd outbound port algorithm is the 3rd outbound port.The port numbers of the 3rd outbound port is different from the port numbers of the first outbound port.In addition, the second router is the downstream router of the first router.Therefore the port numbers that the method that, the embodiment of the present invention provides has reduced the outbound port for transmitting data flow of downstream router equal upstream router for forwarding the probability of port numbers of outbound port of this data flow.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is a networking structure figure of the prior art;
Fig. 2 is the flow chart of a kind of retransmission method of providing of the embodiment of the present invention;
Fig. 3 is the flow chart of a kind of method of reseptance of providing of the embodiment of the present invention;
Fig. 4 is the structural representation of a kind of the first router of providing of the embodiment of the present invention;
Fig. 5 is the structural representation of a kind of the second router of providing of the embodiment of the present invention.
Embodiment
For making object, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
The flow chart of a kind of retransmission method that Fig. 2 provides for the embodiment of the present invention.Referring to Fig. 2, described method comprises:
202, the first router is calculated the first outbound port that forwards the first message according to the first outbound port algorithm.
The first router is certain router.The first outbound port algorithm is certain outbound port algorithm.The first message is certain message.The first outbound port is certain outbound port.
Outbound port algorithm is the algorithm for calculating the outbound port E-Packeting.For instance, outbound port algorithm can be hash algorithm.For example, hash algorithm can be taking a field in message or multiple field as keyword (hash key), calculates cryptographic Hash (hash value).For instance, can carry out step-by-step and operation to keyword, or step-by-step xor operation, thereby cryptographic Hash obtained.Obtain after cryptographic Hash, can be to cryptographic Hash delivery, thus obtain outbound port.During to cryptographic Hash delivery, divisor can be the quantity of the outbound port that comprises of router.
The first router can be calculated the first outbound port that forwards the first message according to one or more field in the first outbound port algorithm and the first message.
For instance, the first message can be Internet protocol (Internet Protocol, IP) message.Multiple fields in the first message can be the fields in the IP head in the first message.For example, the multiple fields in the first message can be source IP address, object IP address, source port, destination interface and agreement (protoco1).
In the time that outbound port algorithm is hash algorithm, in keyword, can comprise a random number.For instance, random number can be the Router Distinguisher (Router ID) of the first router, can be also the random number that the first router generates.Router Distinguisher can be the unique identification of router in autonomous system (Autonomous System, AS).Router Distinguisher can be the signless integer of 32 bits.
When 202 specific implementation, can be that the interface board of the first router is received after the first message, the first message is sent to the control board of the first router.The CPU of the control board of the first router calculates the first outbound port that forwards the first message according to the first outbound port algorithm.
204, described the first router is added the port numbers of described the first outbound port in described the first message to, generates the second message.
The first router is added the port numbers of the first outbound port in the first message to.For instance, the port numbers of the first outbound port can be added in the heading of the first message, also the port numbers of the first outbound port can be added in the payload of the first message.
206, described the first router forwards described the second message by described the first outbound port, described the first router comprises multiple outbound ports that forward described the second message that can be used in, described the second message is used for triggering the second router and carries out the first operation, and described the second router is the router that can receive described second message of described the first router forwarding.
Described the first operation comprises:
Described the second router forwards the second outbound port of described the second message according to the second outbound port algorithm calculating wish, described the second router comprises that multiple can be used in forwards the outbound ports of described the second message, and described the second outbound port algorithm is the default algorithm in multiple outbound port algorithms of comprising of described the second router;
In the time that the port numbers of described the second outbound port equals the port numbers of described the first outbound port, described the second router forwards the 3rd outbound port of described the second message according to the 3rd outbound port algorithm calculating wish;
In the time that the port numbers of described the 3rd outbound port is not equal to the port numbers of described the first outbound port, described the 3rd outbound port algorithm is set as the default algorithm in described multiple outbound port algorithms that described the second router comprises by described the second router.
The second router is the router that can receive the second message of the first router forwarding.That is to say, the second router is the downstream router of the first router.For instance, the second router can be the neighbor router of the first router.The second router can not be the neighbor router of the first router.
The second router comprises multiple outbound port algorithms.Default algorithm in multiple outbound port algorithms refers to the algorithm that router will use while calculating the outbound port E-Packeting.
The second outbound port algorithm is certain outbound port algorithm.The second outbound port algorithm can equal the first outbound port algorithm.The second outbound port algorithm also can be not equal to the first outbound port algorithm.
Those skilled in the art will appreciate that the port numbers of the second outbound port must equal the port numbers of the first outbound port in the time that the second outbound port algorithm equals the first outbound port algorithm.In the time that the second outbound port algorithm is not equal to the first outbound port algorithm, the port numbers of the second outbound port may equal the port numbers of the first outbound port, and the port numbers of the second outbound port also may be not equal to the port numbers of the first outbound port.
Those skilled in the art will appreciate that in the time that the port numbers of described the 3rd outbound port is not equal to the port numbers of described the first outbound port, mean that the 3rd outbound port algorithm is not equal to the first outbound port algorithm.For instance, be all under the scene of hash algorithm at the first outbound port algorithm and the 3rd outbound port algorithm, the hash function that the first outbound port algorithm is corresponding may be different from hash function corresponding to the 3rd outbound port algorithm.For instance, the keyword that the first outbound port algorithm comprises may be different from the keyword that the 3rd outbound port algorithm comprises.
The 3rd outbound port algorithm is set as the default algorithm in described multiple outbound port algorithms that the second router comprises by the second router.This means that the 3rd outbound port algorithm is set to after the default algorithm of the second router, the second router is by the outbound port of the new message that uses the 3rd outbound port algorithm calculating the second router to receive.
As can be seen from the above analysis, the second router is set as the 3rd outbound port algorithm after the default algorithm in multiple outbound port algorithms that the second router comprises, the second router receives with Secondary Report stationery to be had after the message of same characteristic features, and the outbound port of the above-mentioned message that the second router calculates according to the 3rd outbound port algorithm is the 3rd outbound port.The port numbers of the 3rd outbound port is different from the port numbers of the first outbound port.In addition, the second router is the downstream router of the first router.Therefore the port numbers that the method that, the embodiment of the present invention provides has reduced the outbound port for transmitting data flow of downstream router equal upstream router for forwarding the probability of port numbers of outbound port of this data flow.
Optionally, in the method that the present embodiment provides,
Described the second message is User Datagram Protoco (UDP) (User Datagram Protocol, UDP) message, source port in UDP head in described the second message or destination interface are a port in registered port, described registered port comprises and is more than or equal to 1024 and be less than or equal to all integers of 49151, and the port numbers of described the first outbound port is carried in the payload in described UDP message.
Optionally, in the method that the present embodiment provides,
Described the second message is Internet protocol the 4th edition (Internet Protocol version 4, IPv4) message, and the option (Option) in the IPv4 head in described the second message is retention.The port numbers of described the first outbound port is carried in the payload of described the second message.
Described retention refers to that IPv4 is still undefined, the value that can use in such scheme.
Optionally, in the method that the present embodiment provides,
Described the second message is IPV 6 (Internet Protocol version 6, IPv6) message, and next stature (Next Header) in the IPv6 head in described the second message is retention.The port numbers of described the first outbound port is carried in the payload of described the second message.
Described retention refers to that IPv6 is still undefined, the value that can use in such scheme.
Optionally, in the method that the present embodiment provides,
Described the first router and described the second router are neighbor routers; Or
Described the first router and described the second router are not neighbor routers.
The flow chart of a kind of method of reseptance that Fig. 3 provides for the embodiment of the present invention.Referring to Fig. 3, described method comprises:
302, the second router receives the second message.
Described the second message obtains by following approach:
The first router is calculated the first outbound port that forwards the first message according to the first outbound port algorithm;
Described the first router is added the port numbers of described the first outbound port in described the first message to, generates described the second message;
Described the first router forwards described the second message by described the first outbound port, and described the first router comprises multiple outbound ports that forward described the second message that can be used in.
The first router is certain router.The first outbound port algorithm is certain outbound port algorithm.The first message is certain message.The first outbound port is certain outbound port.
Outbound port algorithm is the algorithm for calculating the outbound port E-Packeting.For instance, outbound port algorithm can be hash algorithm.For example, hash algorithm can be taking a field in message or multiple field as keyword, calculates cryptographic Hash.For instance, can carry out step-by-step and operation to keyword, or step-by-step xor operation, thereby cryptographic Hash obtained.Obtain after cryptographic Hash, can be to cryptographic Hash delivery, thus obtain outbound port.During to cryptographic Hash delivery, divisor can be the quantity of the outbound port that comprises of router.
The first router can be calculated the first outbound port that forwards the first message according to one or more field in the first outbound port algorithm and the first message.
For instance, the first message can be IP message.Multiple fields in the first message can be the fields in the IP head in the first message.For example, the multiple fields in the first message can be source IP address, object IP address, source port, destination interface and agreement.
In the time that outbound port algorithm is hash algorithm, in keyword, can comprise a random number.For instance, random number can be the Router Distinguisher of the first router, can be also the random number that the first router generates.Router Distinguisher can be the unique identification of router in autonomous system.Router Distinguisher can be the signless integer of 32 bits.
When specific implementation, can be that the interface board of the first router is received after the first message, the first message is sent to the control board of the first router.The CPU of the control board of the first router calculates the first outbound port that forwards the first message according to the first outbound port algorithm.
The first router is added the port numbers of the first outbound port in the first message to.For instance, the port numbers of the first outbound port can be added in the heading of the first message, also the port numbers of the first outbound port can be added in the payload of the first message.
304, described the second router forwards the second outbound port of described the second message according to the second outbound port algorithm calculating wish, described the second router comprises that multiple can be used in forwards the ports of described the second message, and described the second outbound port algorithm is the default algorithm in multiple outbound port algorithms of comprising of described the second router.
The second router is the router that can receive the second message of the first router forwarding.That is to say, the second router is the downstream router of the first router.For instance, the second router can be the neighbor router of the first router.The second router can not be the neighbor router of the first router.
The second router comprises multiple outbound port algorithms.Default algorithm in multiple outbound port algorithms refers to the algorithm that router will use while calculating the outbound port E-Packeting.
306,, in the time that the port numbers of described the second outbound port equals the port numbers of described the first outbound port in described the second message, described the second router is calculated the 3rd outbound port of the described new message of wish forwarding according to the 3rd outbound port algorithm.
The second outbound port algorithm is certain outbound port algorithm.The second outbound port algorithm can equal the first outbound port algorithm.The second outbound port algorithm also can be not equal to the first outbound port algorithm.
Those skilled in the art will appreciate that the port numbers of the second outbound port must equal the port numbers of the first outbound port in the time that the second outbound port algorithm equals the first outbound port algorithm.In the time that the second outbound port algorithm is not equal to the first outbound port algorithm, the port numbers of the second outbound port may equal the port numbers of the first outbound port, and the port numbers of the second outbound port also may be not equal to the port numbers of the first outbound port.
308,, in the time that the port numbers of described the 3rd outbound port is not equal to the port numbers of described the first outbound port, described the 3rd outbound port algorithm is set as the default algorithm in described multiple outbound port algorithms that described the second router comprises by described the second router.
Those skilled in the art will appreciate that in the time that the port numbers of described the 3rd outbound port is not equal to the port numbers of described the first outbound port, mean that the 3rd outbound port algorithm is not equal to the first outbound port algorithm.For instance, be all under the scene of hash algorithm at the first outbound port algorithm and the 3rd outbound port algorithm, the hash function that the first outbound port algorithm is corresponding may be different from hash function corresponding to the 3rd outbound port algorithm.For instance, the keyword that the first outbound port algorithm comprises may be different from the keyword that the 3rd outbound port algorithm comprises.
The 3rd outbound port algorithm is set as the default algorithm in described multiple outbound port algorithms that the second router comprises by the second router.This means that the 3rd outbound port algorithm is set to after the default algorithm of the second router, the second router is by the outbound port of the new message that uses the 3rd outbound port algorithm calculating the second router to receive.
As can be seen from the above analysis, the second router is set as the 3rd outbound port algorithm after the default algorithm in multiple outbound port algorithms that the second router comprises, the second router receives with Secondary Report stationery to be had after the message of same characteristic features, and the outbound port of the above-mentioned message that the second router calculates according to the 3rd outbound port algorithm is the 3rd outbound port.The port numbers of the 3rd outbound port is different from the port numbers of the first outbound port.In addition, the second router is the downstream router of the first router.Therefore the port numbers that the method that, the embodiment of the present invention provides has reduced the outbound port for transmitting data flow of downstream router equal upstream router for forwarding the probability of port numbers of outbound port of this data flow.
Optionally, in the method that the present embodiment provides,
Described the second message is UDP message, source port in UDP head in described the second message or destination interface are a port in registered port, described registered port comprises and is more than or equal to 1024 and be less than or equal to all integers of 49151, and the port numbers of described the first outbound port is carried in the payload in described UDP message.
Optionally, in the method that the present embodiment provides,
Described the second message is IPv4 message, and the option in the IPv4 head in described the second message is retention.The port numbers of described the first outbound port is carried in the payload of described the second message.
Described retention refers to that IPv4 is still undefined, the value that can use in such scheme.
Optionally, in the method that the present embodiment provides,
Described the second message is IPv6 message, and next stature in the IPv6 head in described the second message is retention.The port numbers of described the first outbound port is carried in the payload of described the second message.
Described retention refers to that IPv6 is still undefined, the value that can use in such scheme.
Optionally, in the method that the present embodiment provides,
Described the first router and described the second router are neighbor routers; Or
Described the first router and described the second router are not neighbor routers.
The structural representation of a kind of the first router that Fig. 4 provides for the embodiment of the present invention.The first router shown in Fig. 4 can realize by the retransmission method shown in Fig. 2.Referring to Fig. 4, described the first router comprises:
Computing unit 402, for calculating the first outbound port that forwards the first message according to the first outbound port algorithm.
For instance, computing unit 402 can be the CPU of the control board of the first router.
The first router is certain router.The first outbound port algorithm is certain outbound port algorithm.The first message is certain message.The first outbound port is certain outbound port.
Outbound port algorithm is the algorithm for calculating the outbound port E-Packeting.For instance, outbound port algorithm can be hash algorithm.For example, hash algorithm can be taking a field in message or multiple field as keyword, calculates cryptographic Hash.For instance, can carry out step-by-step and operation to keyword, or step-by-step xor operation, thereby cryptographic Hash obtained.Obtain after cryptographic Hash, can be to cryptographic Hash delivery, thus obtain outbound port.During to cryptographic Hash delivery, divisor can be the quantity of the outbound port that comprises of router.
The first router can be calculated the first outbound port that forwards the first message according to one or more field in the first outbound port algorithm and the first message.
For instance, the first message can be IP message.Multiple fields in the first message can be the fields in the IP head in the first message.For example, the multiple fields in the first message can be source IP address, object IP address, source port, destination interface and agreement.
In the time that outbound port algorithm is hash algorithm, in keyword, can comprise a random number.For instance, random number can be the Router Distinguisher of the first router, can be also the random number that the first router generates.Router Distinguisher can be the unique identification of router in autonomous system.Router Distinguisher can be the signless integer of 32 bits.
When computing unit 402 specific implementation, can be that the interface board of the first router is received after the first message, the first message is sent to the control board of the first router.The CPU of the control board of the first router calculates the first outbound port that forwards the first message according to the first outbound port algorithm.
Adding device 404, for the port numbers of described the first outbound port being added to described the first message, generates the second message.
For instance, adding device 404 can be the CPU of the control board of the first router.
The first router is added the port numbers of the first outbound port in the first message to.For instance, the port numbers of the first outbound port can be added in the heading of the first message, also the port numbers of the first outbound port can be added in the payload of the first message.
Retransmission unit 406, for forwarding described the second message by described the first outbound port, described the first router comprises multiple outbound ports that forward described the second message that can be used in, described the second message is used for triggering the second router and carries out following operation, and described the second router is the router that can receive described second message of described the first router forwarding:
Described the second router forwards the second outbound port of described the second message according to the second outbound port algorithm calculating wish, described the second router comprises that multiple can be used in forwards the outbound ports of described the second message, and described the second outbound port algorithm is the default algorithm in described multiple outbound port algorithms of comprising of described the second router;
In the time that the port numbers of described the second outbound port equals the port numbers of described the first outbound port, described the second router forwards the 3rd outbound port of described the second message according to the 3rd outbound port algorithm calculating wish;
In the time that the port numbers of described the 3rd outbound port is not equal to the port numbers of described the first outbound port, described the 3rd outbound port algorithm is set as the default algorithm in described multiple outbound port algorithms that described the second router comprises by described the second router.
For instance, retransmission unit 406 can be the interface board of the first router.
The second router is the router that can receive the second message of the first router forwarding.That is to say, the second router is the downstream router of the first router.For instance, the second router can be the neighbor router of the first router.The second router can not be the neighbor router of the first router.
The second router comprises multiple outbound port algorithms.Default algorithm in multiple outbound port algorithms refers to the algorithm that router will use while calculating the outbound port E-Packeting.
The second outbound port algorithm is certain outbound port algorithm.The second outbound port algorithm can equal the first outbound port algorithm.The second outbound port algorithm also can be not equal to the first outbound port algorithm.
Those skilled in the art will appreciate that the port numbers of the second outbound port must equal the port numbers of the first outbound port in the time that the second outbound port algorithm equals the first outbound port algorithm.In the time that the second outbound port algorithm is not equal to the first outbound port algorithm, the port numbers of the second outbound port may equal the port numbers of the first outbound port, and the port numbers of the second outbound port also may be not equal to the port numbers of the first outbound port.
Those skilled in the art will appreciate that in the time that the port numbers of described the 3rd outbound port is not equal to the port numbers of described the first outbound port, mean that the 3rd outbound port algorithm is not equal to the first outbound port algorithm.For instance, be all under the scene of hash algorithm at the first outbound port algorithm and the 3rd outbound port algorithm, the hash function that the first outbound port algorithm is corresponding may be different from hash function corresponding to the 3rd outbound port algorithm.For instance, the keyword that the first outbound port algorithm comprises may be different from the keyword that the 3rd outbound port algorithm comprises.
The 3rd outbound port algorithm is set as the default algorithm in described multiple outbound port algorithms that the second router comprises by the second router.This means that the 3rd outbound port algorithm is set to after the default algorithm of the second router, the second router is by the outbound port of the new message that uses the 3rd outbound port algorithm calculating the second router to receive.
As can be seen from the above analysis, the second router is set as the 3rd outbound port algorithm after the default algorithm in multiple outbound port algorithms that the second router comprises, the second router receives with Secondary Report stationery to be had after the message of same characteristic features, and the outbound port of the above-mentioned message that the second router calculates according to the 3rd outbound port algorithm is the 3rd outbound port.The port numbers of the 3rd outbound port is different from the port numbers of the first outbound port.In addition, the second router is the downstream router of the first router.Therefore the port numbers that the technical scheme that, the embodiment of the present invention provides has reduced the outbound port of downstream router transmitting data flow equals upstream router and forwards the probability of the port numbers of the outbound port of this data flow.
Optionally, in the device that the present embodiment provides,
Described the second message is UDP message, source port in UDP head in described the second message or destination interface are a port in registered port, described registered port comprises and is more than or equal to 1024 and be less than or equal to all integers of 49151, and the port numbers of described the first outbound port is carried in the payload in described UDP message.
Optionally, in the device that the present embodiment provides,
Described the second message is IPv4 message, and the option in the IPv4 head in described the second message is retention.The port numbers of described the first outbound port is carried in the payload of described the second message.
Described retention refers to that IPv4 is still undefined, the value that can use in such scheme.
Optionally, in the device that the present embodiment provides,
Described the second message is IPv6 message, and next stature in the IPv6 head in described the second message is retention.The port numbers of described the first outbound port is carried in the payload of described the second message.
Described retention refers to that IPv6 is still undefined, the value that can use in such scheme.
Optionally, in the device that the present embodiment provides,
Described the first router and described the second router are neighbor routers; Or
Described the first router and described the second router are not neighbor routers.
The structural representation of a kind of the second router that Fig. 5 provides for the embodiment of the present invention.The second router shown in Fig. 5 can realize by the method for reseptance shown in Fig. 3.Referring to Fig. 5, described the second router comprises:
Receiving element 502, for receiving the second message, described the second message obtains by following approach:
The first router is calculated the first outbound port that forwards the first message according to the first outbound port algorithm;
Described the first router is added the port numbers of described the first outbound port in described the first message to, generates described the second message;
Described the first router forwards described the second message by described the first outbound port, and described the first router comprises multiple outbound ports that forward described the second message that can be used in.
For instance, receiving element 502 can be the interface board of the second router.
The first router is certain router.The first outbound port algorithm is certain outbound port algorithm.The first message is certain message.The first outbound port is certain outbound port.
Outbound port algorithm is the algorithm for calculating the outbound port E-Packeting.For instance, outbound port algorithm can be hash algorithm.For example, hash algorithm can be taking a field in message or multiple field as keyword, calculates cryptographic Hash.For instance, can carry out step-by-step and operation to keyword, or step-by-step xor operation, thereby cryptographic Hash obtained.Obtain after cryptographic Hash, can be to cryptographic Hash delivery, thus obtain outbound port.During to cryptographic Hash delivery, divisor can be the quantity of the outbound port that comprises of router.
The first router can be calculated the first outbound port that forwards the first message according to one or more field in the first outbound port algorithm and the first message.
For instance, the first message can be IP message.Multiple fields in the first message can be the fields in the IP head in the first message.For example, the multiple fields in the first message can be source IP address, object IP address, source port, destination interface and agreement.
In the time that outbound port algorithm is hash algorithm, in keyword, can comprise a random number.For instance, random number can be the Router Distinguisher of the first router, can be also the random number that the first router generates.Router Distinguisher can be the unique identification of router in autonomous system.Router Distinguisher can be the signless integer of 32 bits.
When specific implementation, can be that the interface board of the first router is received after the first message, the first message is sent to the control board of the first router.The CPU of the control board of the first router calculates the first outbound port that forwards the first message according to the first outbound port algorithm.
The first router is added the port numbers of the first outbound port in the first message to.For instance, the port numbers of the first outbound port can be added in the heading of the first message, also the port numbers of the first outbound port can be added in the payload of the first message.
The first computing unit 504, forward the second outbound port of described the second message for calculating wish according to the second outbound port algorithm, described the second router comprises that multiple can be used in forwards the outbound ports of described the second message, and described the second outbound port algorithm is the default algorithm in multiple outbound port algorithms of comprising of described the second router.
For instance, the first computing unit 504 can be the CPU of the control board of the second router.
The second router is the router that can receive the second message of the first router forwarding.That is to say, the second router is the downstream router of the first router.For instance, the second router can be the neighbor router of the first router.The second router can not be the neighbor router of the first router.
The second router comprises multiple outbound port algorithms.Default algorithm in multiple outbound port algorithms refers to the algorithm that router will use while calculating the outbound port E-Packeting.
The second computing unit 506, when equaling the port numbers of described the first outbound port of described the second message when the port numbers of described the second outbound port, calculates wish and forwards the 3rd outbound port of described new message according to the 3rd outbound port algorithm.
For instance, the second computing unit 506 can be the CPU of the control board of the second router.
The second outbound port algorithm is certain outbound port algorithm.The second outbound port algorithm can equal the first outbound port algorithm.The second outbound port algorithm also can be not equal to the first outbound port algorithm.
Those skilled in the art will appreciate that the port numbers of the second outbound port must equal the port numbers of the first outbound port in the time that the second outbound port algorithm equals the first outbound port algorithm.In the time that the second outbound port algorithm is not equal to the first outbound port algorithm, the port numbers of the second outbound port may equal the port numbers of the first outbound port, and the port numbers of the second outbound port also may be not equal to the port numbers of the first outbound port.
Setup unit 508, in the time that the port numbers of described the 3rd outbound port is not equal to the port numbers of described the first outbound port, is set as the default algorithm in described multiple outbound port algorithms that described the second router comprises by described the 3rd outbound port algorithm.
For instance, setup unit 508 can be the CPU of the control board of the second router.
Those skilled in the art will appreciate that in the time that the port numbers of described the 3rd outbound port is not equal to the port numbers of described the first outbound port, mean that the 3rd outbound port algorithm is not equal to the first outbound port algorithm.For instance, be all under the scene of hash algorithm at the first outbound port algorithm and the 3rd outbound port algorithm, the hash function that the first outbound port algorithm is corresponding may be different from hash function corresponding to the 3rd outbound port algorithm.For instance, the keyword that the first outbound port algorithm comprises may be different from the keyword that the 3rd outbound port algorithm comprises.
The 3rd outbound port algorithm is set as the default algorithm in described multiple outbound port algorithms that the second router comprises by the second router.This means that the 3rd outbound port algorithm is set to after the default algorithm of the second router, the second router is by the outbound port of the new message that uses the 3rd outbound port algorithm calculating the second router to receive.
As can be seen from the above analysis, the second router is set as the 3rd outbound port algorithm after the default algorithm in multiple outbound port algorithms that the second router comprises, the second router receives with Secondary Report stationery to be had after the message of same characteristic features, and the outbound port of the above-mentioned message that the second router calculates according to the 3rd outbound port algorithm is the 3rd outbound port.The port numbers of the 3rd outbound port is different from the port numbers of the first outbound port.In addition, the second router is the downstream router of the first router.Therefore the port numbers that the technical scheme that, the embodiment of the present invention provides has reduced the outbound port for transmitting data flow of downstream router equal upstream router for forwarding the probability of port numbers of outbound port of this data flow.
Optionally, in the device that the present embodiment provides,
Described the second message is UDP message, source port in UDP head in described the second message or destination interface are a port in registered port, described registered port comprises and is more than or equal to 1024 and be less than or equal to all integers of 49151, and the port numbers of described the first outbound port is carried in the payload in described UDP message.
Optionally, in the device that the present embodiment provides,
Described the second message is IPv4 message, and the option in the IPv4 head in described the second message is retention.The port numbers of described the first outbound port is carried in the payload of described the second message.
Described retention refers to that IPv4 is still undefined, the value that can use in such scheme.
Optionally, in the device that the present embodiment provides,
Described the second message is IPv6 message, and next stature in the IPv6 head in described the second message is retention.The port numbers of described the first outbound port is carried in the payload of described the second message.
Described retention refers to that IPv6 is still undefined, the value that can use in such scheme.
Optionally, in the device that the present embodiment provides,
Described the first router and described the second router are neighbor routers; Or
Described the first router and described the second router are not neighbor routers.
Those of ordinary skill in the art can recognize, unit and the algorithm steps of each example of describing in conjunction with embodiment disclosed herein, can realize with the combination of electronic hardware or computer software and electronic hardware.These functions are carried out with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme.Professional and technical personnel can realize described function with distinct methods to each specifically should being used for, but this realization should not thought and exceeds scope of the present invention.
Those skilled in the art can be well understood to, and for convenience and simplicity of description, the specific works process of the system of foregoing description, device and unit, can, with reference to the corresponding process in preceding method embodiment, not repeat them here.
In the several embodiment that provide in the application, should be understood that disclosed system, apparatus and method can realize by another way.For example, device embodiment described above is only schematic, for example, the division of described unit, can be only that a kind of logic function is divided, when actual realization, can have other dividing mode, for example multiple unit or assembly can in conjunction with or can be integrated into another system, or some features can ignore, or do not carry out.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, indirect coupling or the communication connection of device or unit can be electrically, machinery or other form.
The described unit as separating component explanation can or can not be also physically to separate, and the parts that show as unit can be or can not be also physical locations, can be positioned at a place, or also can be distributed in multiple network element.Can select according to the actual needs some or all of unit wherein to realize the object of the present embodiment scheme.
In addition, the each functional unit in each embodiment of the present invention can be integrated in a processing unit, can be also that the independent physics of unit exists, and also can be integrated in a unit two or more unit.
If described function realizes and during as production marketing independently or use, can be stored in a computer read/write memory medium using the form of SFU software functional unit.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words or the part of this technical scheme can embody with the form of software product, this computer software product is stored in a storage medium, comprise that some instructions (can be personal computers in order to make a computer equipment, server, or the network equipment etc.) carry out all or part of step of method described in each embodiment of the present invention.And aforesaid storage medium comprises: (english abbreviation is ROM for USB flash disk, portable hard drive, read-only memory, English full name is Read-Only Memory), the various media that can be program code stored such as random access memory (english abbreviation is RAM, and English full name is Random Access Memory), magnetic disc or CD.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited to this, any be familiar with those skilled in the art the present invention disclose technical scope in; can expect easily changing or replacing, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should described be as the criterion with the protection range of claim.
Claims (10)
1. a retransmission method, is characterized in that, comprising:
The first router is calculated the first outbound port that forwards the first message according to the first outbound port algorithm;
Described the first router is added the port numbers of described the first outbound port in described the first message to, generates the second message; With
Described the first router forwards described the second message by described the first outbound port, described the first router comprises multiple outbound ports that forward described the second message that can be used in, described the second message is used for triggering the second router and carries out following operation, and described the second router is the router that can receive described second message of described the first router forwarding:
Described the second router forwards the second outbound port of described the second message according to the second outbound port algorithm calculating wish, described the second router comprises that multiple can be used in forwards the outbound ports of described the second message, and described the second outbound port algorithm is the default algorithm in multiple outbound port algorithms of comprising of described the second router;
In the time that the port numbers of described the second outbound port equals the port numbers of described the first outbound port, described the second router forwards the 3rd outbound port of described the second message according to the 3rd outbound port algorithm calculating wish; With
In the time that the port numbers of described the 3rd outbound port is not equal to the port numbers of described the first outbound port, described the 3rd outbound port algorithm is set as the default algorithm in described multiple outbound port algorithms that described the second router comprises by described the second router.
2. method according to claim 1, is characterized in that,
Described the second message is user datagram protocol message, source port in User Datagram Protoco (UDP) head in described the second message or destination interface are a port in registered port, described registered port comprises and is more than or equal to 1024 and be less than or equal to all integers of 49151, and the port numbers of described the first outbound port is carried in the payload in described user datagram protocol message; Or
Described the second message is the 4th edition message of Internet protocol, and the option in the 4th edition head of Internet protocol in described the second message is retention, and the port numbers of described the first outbound port is carried in the payload of described the second message; Or
Described the second message is IPV 6 message, and next stature in the IPV 6 head in described the second message is retention, and the port numbers of described the first outbound port is carried in the payload of described the second message.
3. method according to claim 1 and 2, is characterized in that,
Described the first router and described the second router are neighbor routers; Or
Described the first router and described the second router are not neighbor routers.
4. a method of reseptance, is characterized in that, comprising:
The second router receives the second message, and described the second message obtains by following approach:
The first router is calculated the first outbound port that forwards the first message according to the first outbound port algorithm;
Described the first router is added the port numbers of described the first outbound port in described the first message to, generates described the second message; With
Described the first router forwards described the second message by described the first outbound port, and described the first router comprises multiple outbound ports that forward described the second message that can be used in;
Described the second router forwards the second outbound port of described the second message according to the second outbound port algorithm calculating wish, described the second router comprises that multiple can be used in forwards the ports of described the second message, and described the second outbound port algorithm is the default algorithm in multiple outbound port algorithms of comprising of described the second router;
In the time that the port numbers of described the second outbound port equals the port numbers of described the first outbound port in described the second message, described the second router forwards the 3rd outbound port of new message according to the 3rd outbound port algorithm calculating wish; With
In the time that the port numbers of described the 3rd outbound port is not equal to the port numbers of described the first outbound port, described the 3rd outbound port algorithm is set as the default algorithm in described multiple outbound port algorithms that described the second router comprises by described the second router.
5. method according to claim 4, is characterized in that,
Described the second message is user datagram protocol message, source port in User Datagram Protoco (UDP) head in described the second message or destination interface are a port in registered port, described registered port comprises and is more than or equal to 1024 and be less than or equal to all integers of 49151, and the port numbers of described the first outbound port is carried in the payload in described user datagram protocol message; Or
Described the second message is the 4th edition message of Internet protocol, and the option in the 4th edition head of Internet protocol in described the second message is retention, and the port numbers of described the first outbound port is carried in the payload of described the second message; Or
Described the second message is IPV 6 message, and next stature in the IPV 6 heading in described the second message is retention, and the port numbers of described the first outbound port is carried in the payload of described the second message.
6. according to the method described in claim 4 or 5, it is characterized in that,
Described the first router and described the second router are neighbor routers; Or
Described the first router and described the second router are not neighbor routers.
7. a first router, is characterized in that, comprising:
Computing unit, for calculating the first outbound port that forwards the first message according to the first outbound port algorithm;
Adding device, for the port numbers of described the first outbound port being added to described the first message, generates the second message; With
Retransmission unit, for forwarding described the second message by described the first outbound port, described the first router comprises multiple outbound ports that forward described the second message that can be used in, described the second message is used for triggering the second router and carries out following operation, and described the second router is the router that can receive described second message of described the first router forwarding:
Described the second router forwards the second outbound port of described the second message according to the second outbound port algorithm calculating wish, described the second router comprises that multiple can be used in forwards the outbound ports of described the second message, and described the second outbound port algorithm is the default algorithm in described multiple outbound port algorithms of comprising of described the second router;
In the time that the port numbers of described the second outbound port equals the port numbers of described the first outbound port, described the second router forwards the 3rd outbound port of described the second message according to the 3rd outbound port algorithm calculating wish; With
In the time that the port numbers of described the 3rd outbound port is not equal to the port numbers of described the first outbound port, described the 3rd outbound port algorithm is set as the default algorithm in described multiple outbound port algorithms that described the second router comprises by described the second router.
8. the first router according to claim 7, is characterized in that,
Described the first router and described the second router are neighbor routers; Or
Described the first router and described the second router are not neighbor routers.
9. a second router, is characterized in that, comprising:
Receiving element, for receiving the second message, described the second message obtains by following approach:
The first router is calculated the first outbound port that forwards the first message according to the first outbound port algorithm;
Described the first router is added the port numbers of described the first outbound port in described the first message to, generates described the second message;
Described the first router forwards described the second message by described the first outbound port, and described the first router comprises multiple outbound ports that forward described the second message that can be used in;
The first computing unit, forward the second outbound port of described the second message for calculating wish according to the second outbound port algorithm, described the second router comprises that multiple can be used in forwards the outbound ports of described the second message, and described the second outbound port algorithm is the default algorithm in multiple outbound port algorithms of comprising of described the second router;
The second computing unit, when equaling the port numbers of described the first outbound port of described the second message when the port numbers of described the second outbound port, calculates wish and forwards the 3rd outbound port of new message according to the 3rd outbound port algorithm; With
Setup unit, in the time that the port numbers of described the 3rd outbound port is not equal to the port numbers of described the first outbound port, is set as the default algorithm in described multiple outbound port algorithms that described the second router comprises by described the 3rd outbound port algorithm.
10. the second router according to claim 9, is characterized in that,
Described the first router and described the second router are neighbor routers; Or
Described the first router and described the second router are not neighbor routers.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2012/077942 WO2014000282A1 (en) | 2012-06-29 | 2012-06-29 | Forwarding method, receiving method, first router and second router |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102870382A CN102870382A (en) | 2013-01-09 |
| CN102870382B true CN102870382B (en) | 2014-12-03 |
Family
ID=47447768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280000926.XA Active CN102870382B (en) | 2012-06-29 | 2012-06-29 | Forwarding method, receiving method, first router an second router |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102870382B (en) |
| WO (1) | WO2014000282A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103391219A (en) * | 2013-08-09 | 2013-11-13 | 盛科网络（苏州）有限公司 | Message analysis method and device based on conversation |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1484413A (en) * | 2002-09-18 | 2004-03-24 | ����ͨѶ�ɷ�����˾ | Method for realizing polylink flow equalization |
| US6888797B1 (en) * | 1999-05-05 | 2005-05-03 | Lucent Technologies Inc. | Hashing-based network load balancing |
| CN1859276A (en) * | 2005-07-27 | 2006-11-08 | 华为技术有限公司 | Multiple port path selecting method for network equipment |
| CN101051939A (en) * | 2006-06-15 | 2007-10-10 | 华为技术有限公司 | Method and device for realizing network flow load sharing |
| CN102143074A (en) * | 2011-03-25 | 2011-08-03 | 中兴通讯股份有限公司 | Method and system for sharing network load and network processor |
| CN102447638A (en) * | 2012-01-12 | 2012-05-09 | 中兴通讯股份有限公司 | Load balancing method and forwarding apparatus |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7420980B1 (en) * | 2004-03-27 | 2008-09-02 | Dust Networks, Inc. | Digraph network superframes |
| US7843929B2 (en) * | 2007-04-20 | 2010-11-30 | Cray Inc. | Flexible routing tables for a high-radix router |
-
2012
- 2012-06-29 WO PCT/CN2012/077942 patent/WO2014000282A1/en active Application Filing
- 2012-06-29 CN CN201280000926.XA patent/CN102870382B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6888797B1 (en) * | 1999-05-05 | 2005-05-03 | Lucent Technologies Inc. | Hashing-based network load balancing |
| CN1484413A (en) * | 2002-09-18 | 2004-03-24 | ����ͨѶ�ɷ�����˾ | Method for realizing polylink flow equalization |
| CN1859276A (en) * | 2005-07-27 | 2006-11-08 | 华为技术有限公司 | Multiple port path selecting method for network equipment |
| CN101051939A (en) * | 2006-06-15 | 2007-10-10 | 华为技术有限公司 | Method and device for realizing network flow load sharing |
| CN102143074A (en) * | 2011-03-25 | 2011-08-03 | 中兴通讯股份有限公司 | Method and system for sharing network load and network processor |
| CN102447638A (en) * | 2012-01-12 | 2012-05-09 | 中兴通讯股份有限公司 | Load balancing method and forwarding apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014000282A1 (en) | 2014-01-03 |
| CN102870382A (en) | 2013-01-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11876785B2 (en) | System and method for routing-based internet security | |
| US9893984B2 (en) | Path maximum transmission unit discovery | |
| CN102739549B (en) | Receive the method for message, the method sending message and device | |
| CN104168201A (en) | Multipath forwarding method and device | |
| CN106101007B (en) | Handle the method and device of message | |
| US20140040477A1 (en) | Connection mesh in mirroring asymmetric clustered multiprocessor systems | |
| CN104518968A (en) | Message processing method and transparent proxy server | |
| CN102821049A (en) | Method and device for forwarding message | |
| EP3720068B1 (en) | Message processing method and device | |
| US10721250B2 (en) | Automatic tunnels routing loop attack defense | |
| CN102870382B (en) | Forwarding method, receiving method, first router an second router | |
| CN104205745A (en) | Method and device for processing message | |
| JP2018518869A (en) | Bundled forward error correction (FEC) for multiple sequencing flows | |
| CN103503386A (en) | Network device and method for processing message | |
| WO2022227484A1 (en) | Data communication method and apparatus, computer device, and storage medium | |
| CN103460675A (en) | Cluster and forwarding method | |
| US11606335B2 (en) | Systems and methods for hierarchical access control across devices in a network environment | |
| US10917502B2 (en) | Method for using metadata in internet protocol packets | |
| KR102538061B1 (en) | System and method for transmitting security of medical information data | |
| CN103391219A (en) | Message analysis method and device based on conversation | |
| CN104486687A (en) | Data processing method, digital television terminal and server | |
| CN103152270B (en) | The method E-Packeted and router | |
| CN103297430B (en) | Data transmission equipment and data transmission method | |
| CN107612885A (en) | Data processing method and device | |
| CN115037793B (en) | User datagram protocol data processing method and device and electronic equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211228 Address after: 450046 Floor 9, building 1, Zhengshang Boya Plaza, Longzihu wisdom Island, Zhengdong New Area, Zhengzhou City, Henan Province Patentee after: Super fusion Digital Technology Co.,Ltd. Address before: 518129 Bantian HUAWEI headquarters office building, Longgang District, Guangdong, Shenzhen Patentee before: HUAWEI TECHNOLOGIES Co.,Ltd. |
|
| TR01 | Transfer of patent right |