CN103944749A - Double-computer hot standby method and system based on heartbeats - Google Patents
Double-computer hot standby method and system based on heartbeats Download PDFInfo
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Abstract
The invention discloses a double-computer hot standby method and system based on heartbeats. The double-computer hot standby system comprises a first firewall, a second firewall and a heartbeat cable, wherein the first firewall and the second firewall are connected through the heartbeat cable. According to the method, the sum total of routing path weighted values of the first firewall and the sum total of routing path weighted values of the second fire wall are compared through the heartbeat cable; the state of the firewall with the larger sum total of the routing path weighted values is set to be in an active mode, an ARP broadcast message is processed, and data are forwarded; the state of the firewall with the smaller sum total of the routing path weighted values is set to be in a passively restrained mode, and no message is processed. The method and the system can automatically set and switch the active state and the standby state according to the states of routing paths, and meanwhile the problems that due to faults of heartbeat signals, when the two firewalls are both switched into the active state, the up and down routing paths are affected by the ARP broadcast message, and then a message forwarding path is disordered are avoided.
Description
Technical field
The present invention relates to dual-host backup field, relate in particular to a kind of double hot standby method and system based on heartbeat.
Background technology
Fire compartment wall is the barrier that is positioned at network boundary guarding network attack, and the reliability direct relation of firewall system the availability of whole protected network, so must utilize correlation technique for it provides the redundancy of data channel.In prior art, conventionally connect two fire compartment walls by heartbeat, by the data between synchronous two fire compartment walls of heartbeat, when a fire compartment wall breaks down and can not normally move time, automatically switches to another fire compartment wall, thereby ensure normally operation effectively of network environment.But this method need to arrange and distinguish active and standby fire compartment wall artificially, cannot be according to the activestandby state of the state Lookup protocol of routed path and switching fire compartment wall.
Summary of the invention
The present invention In view of the foregoing makes, and a kind of double hot standby method and system based on heartbeat that provide is provided, can be according to the activestandby state of the state Lookup protocol of routed path and switching fire compartment wall.
According to an aspect of the present invention, provide a kind of double hot standby method based on heartbeat, comprise the following steps:
Step S1, connects the first fire compartment wall and the second fire compartment wall by heartbeat.
Step S2, the first fire compartment wall is set weighted value to each routed path being associated with the first fire compartment wall, and the second fire compartment wall is set weighted value to each routed path being associated with the second fire compartment wall.
Step S3, the first fire compartment wall calculates the summation of the weighted value of all routed paths that are associated with the first fire compartment wall, and the second fire compartment wall calculates the summation of the weighted value of all routed paths that are associated with the first fire compartment wall.
Step S4, the first fire compartment wall and the second fire compartment wall are issued the other side by heartbeat by routed path weighted value summation separately.
Step S5, the first fire compartment wall and the second fire compartment wall compare respectively the routed path weighted value summation of self and the size of the other side's who receives routed path weighted value summation.
Step S6, the state of the fire compartment wall self that routed path weighted value summation is larger is set to aggressive mode, address resolution protocol (ARP) broadcasting packet is processed and carried out data retransmission, the state of the fire compartment wall self that routed path weighted value summation is less is set to passive suppression mode, does not process any message.
Wherein, described the first fire compartment wall and described the second fire compartment wall are under consolidated network topological environmental, and described the first fire compartment wall and described the second fire compartment wall have identical routed path configuration.
Before described the first fire compartment wall and described the second fire compartment wall are at every turn synchronous by heartbeat, recalculate routed path weighted value summation separately.
When in described the first fire compartment wall and described the second fire compartment wall any one break down cause heartbeat signal interrupt time, another fire compartment wall is emergency mode by the Status Change of self, the time delay of carrying out ARP broadcasting packet according to current routed path weighted value summation sends, and all messages forward by this another fire compartment wall.
When described heartbeat breaks down while causing described the first fire compartment wall and described the second fire compartment wall all not to receive the other side's heartbeat signal, described the first fire compartment wall and described the second fire compartment wall are all emergency mode by the Status Change of self, the time delay that described the first fire compartment wall and described the second fire compartment wall carry out ARP broadcasting packet according to current separately routed path weighted value summation sends, wherein said routed path weighted value summation is higher, and time delay is longer.
According to a further aspect in the invention, provide a kind of Dual-Computer Hot-Standby System based on heartbeat, comprising: the first fire compartment wall, the second fire compartment wall and heartbeat, be connected by heartbeat between the first fire compartment wall and the second fire compartment wall.
The first fire compartment wall is set weighted value to each routed path being associated with the first fire compartment wall, and calculates the weighted value summation of all routed paths that are associated with the first fire compartment wall.
The second fire compartment wall is set weighted value to each routed path being associated with the second fire compartment wall, and calculates the weighted value summation of all routed paths that are associated with the second fire compartment wall.
The first fire compartment wall and the second fire compartment wall are issued the other side by heartbeat by routed path weighted value summation separately, and compare respectively the routed path weighted value summation of self and the size of the other side's who receives routed path weighted value summation.
The state of the fire compartment wall self that routed path weighted value summation is larger is set to aggressive mode, ARP broadcasting packet is processed and carried out data retransmission, the state of the fire compartment wall self that routed path weighted value summation is less is set to passive suppression mode, does not process any message.
Wherein, described the first fire compartment wall and described the second fire compartment wall are under consolidated network topological environmental, and described the first fire compartment wall and described the second fire compartment wall have identical routed path configuration.
Before described the first fire compartment wall and described the second fire compartment wall are at every turn synchronous by heartbeat, recalculate routed path weighted value summation separately.
When in described the first fire compartment wall and described the second fire compartment wall any one break down cause heartbeat signal interrupt time, another fire compartment wall is emergency mode by the Status Change of self, the time delay of carrying out ARP broadcasting packet according to current routed path weighted value summation sends, and all messages forward by this another fire compartment wall.
When described heartbeat breaks down while causing described the first fire compartment wall and described the second fire compartment wall all not to receive the other side's heartbeat signal, described the first fire compartment wall and described the second fire compartment wall are all emergency mode by the Status Change of self, the time delay that described the first fire compartment wall and described the second fire compartment wall carry out ARP broadcasting packet according to current separately routed path weighted value summation sends, wherein said routed path weighted value summation is higher, and time delay is longer.
According to the present invention, a kind of double hot standby method and system based on heartbeat is provided, can and switch the activestandby state of fire compartment wall according to the state Lookup protocol of routed path, avoid making ARP broadcasting packet affect upper and lower routed path while causing two fire compartment walls to be all converted to active state by heartbeat signal fault simultaneously and then cause the problem of message forwarding path confusion.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of the double hot standby method based on heartbeat of embodiment of the present invention;
Fig. 2 is the structural representation of the Dual-Computer Hot-Standby System based on heartbeat of embodiment of the present invention.
Embodiment
For making the object, technical solutions and advantages of the present invention more cheer and bright, below in conjunction with embodiment and with reference to accompanying drawing, the present invention is described in more detail.Should be appreciated that, these descriptions are exemplary, and do not really want to limit the scope of the invention.In addition, in the following description, omitted the description to known features and technology, to avoid unnecessarily obscuring concept of the present invention.
The invention provides a kind of double hot standby method and system based on heartbeat, can and switch the activestandby state of fire compartment wall according to the state Lookup protocol of routed path, avoid making ARP broadcasting packet affect upper and lower routed path while causing two fire compartment walls to be all converted to active state by heartbeat signal fault simultaneously and then cause the problem of message forwarding path confusion.
Fig. 1 is the schematic flow sheet of the double hot standby method based on heartbeat of embodiment of the present invention.
As shown in Figure 1, a kind of double hot standby method based on heartbeat, comprises the following steps:
Step S1, connects the first fire compartment wall and the second fire compartment wall by heartbeat.
The first fire compartment wall and the second fire compartment wall are under consolidated network topological environmental, between the first fire compartment wall and the second fire compartment wall, be connected by heartbeat, and carry out the synchronous of configuration information to each other and data message by heartbeat every regular time interval (as 10 seconds), make them there is identical routed path.
Step S2, the first fire compartment wall is set weighted value to each routed path being associated with the first fire compartment wall, and the second fire compartment wall is set weighted value to each routed path being associated with the second fire compartment wall.
For identical routed path, the first fire compartment wall and the second fire compartment wall arrange different weighted values.In example embodiment, the first fire compartment wall and the second fire compartment wall have identical routed path, comprise routed path 1 and routed path 2, the weighted value of the first fire compartment wall routed path 1 is set to 50, the weighted value of routed path 2 is set to 30, the weighted value of the second fire compartment wall routed path 1 is set to 30, and the weighted value of routed path 2 is set to 40.
Step S3, the first fire compartment wall calculates the summation of the weighted value of all routed paths that are associated with the first fire compartment wall, and the second fire compartment wall calculates the summation of the weighted value of all routed paths that are associated with the second fire compartment wall.
In example embodiment, the routed path weighted value summation of the first fire compartment wall is that the routed path weighted value summation of 80, the second fire compartment walls is 70.
Step S4, the first fire compartment wall and the second fire compartment wall are issued the other side by heartbeat by routed path weighted value summation separately.
In example embodiment, the routed path weighted value summation of the second fire compartment wall that the first fire compartment wall is received is that the routed path weighted value summation of the first fire compartment wall of receiving of 70, the second fire compartment walls is 80.
Step S5, the first fire compartment wall and the second fire compartment wall compare respectively the routed path weighted value summation of self and the size of the other side's who receives routed path weighted value summation.
In example embodiment, the first fire compartment wall is larger by relatively determining the routed path weighted value summation of self, and the second fire compartment wall is less by relatively determining the routed path weighted value summation of self.
Step S6, the state of the fire compartment wall self that routed path weighted value summation is larger is set to aggressive mode, ARP broadcasting packet is processed and carried out data retransmission, and the state of the fire compartment wall self that routed path weighted value summation is less is set to passive suppression mode, does not process any message.
In example embodiment, the state of the first fire compartment wall self that routed path weighted value summation is larger is set to aggressive mode, ARP broadcasting packet is processed and carried out data retransmission, the state of the second fire compartment wall self that routed path weighted value summation is less is set to passive suppression mode, does not process any message.
Before the first fire compartment wall and the second fire compartment wall are at every turn synchronous by heartbeat, the first fire compartment wall and the second fire compartment wall recalculate routed path weighted value summation separately, to up-to-date routed path weighted value summation is sent to the other side when synchronous by heartbeat.
In example embodiment, when routed path 1 because have no progeny in fault or other reasons, the routed path weighted value summation that the first fire compartment wall recalculates is that the routed path weighted value summation that weighted value 30, the second fire compartment walls of routed path 2 recalculate is the weighted value 40 of routed path 2.When the first fire compartment wall and the second fire compartment wall are issued up-to-date separately routed path weighted value summation after the other side by heartbeat, the first fire compartment wall is less by relatively determining the routed path weighted value summation of self, the second fire compartment wall is larger by relatively determining the routed path weighted value summation of self, therefore the state of the second fire compartment wall self is set to aggressive mode, ARP broadcasting packet is processed and carried out data retransmission, the state of the first fire compartment wall self is set to passive suppression mode, does not process any message.
When in the first fire compartment wall and the second fire compartment wall any one break down cause heartbeat signal interrupt time, another fire compartment wall is emergency mode by the Status Change of self, the time delay of carrying out ARP broadcasting packet according to current routed path weighted value summation sends, and all messages forward by this fire compartment wall.In example embodiment, when the first fire compartment wall break down cause heartbeat signal interrupt time, the second fire compartment wall is emergency mode by the Status Change of self, now the routed path weighted value summation of the second fire compartment wall is 70, the second 70 milliseconds of fire compartment wall time delays send ARP broadcasting packet, the cache table of other equipment on routed path can be refreshed by the ARP broadcasting packet of the second fire compartment wall, and all messages forward by the second fire compartment wall.
When heartbeat breaks down while causing the first fire compartment wall and the second fire compartment wall all not to receive the other side's heartbeat signal, the first fire compartment wall and the second fire compartment wall are all emergency mode by the Status Change of self, the time delay that the first fire compartment wall and the second fire compartment wall carry out ARP broadcasting packet according to current separately routed path weighted value summation sends, and routed path weighted value summation is higher, and time delay is longer.Like this, in the time that upper level router sends ARP broadcasting packet, the time interval of replying ARP broadcasting packets due to two fire compartment walls is fixed and is different, the arp cache table of the side's meeting configuration file of router later sending, and then ensure that message only sends from one of them fire compartment wall, avoid the problem of the message forwarding path confusion causing because two fire compartment walls are all converted to active state.In example embodiment, when heartbeat breaks down while causing the first fire compartment wall and the second fire compartment wall all not to receive the other side's heartbeat signal, the first fire compartment wall and the second fire compartment wall are all emergency mode by the Status Change of self, now the weighted value summation of the routed path of the first fire compartment wall is 80, the routed path weighted value summation of the second fire compartment wall is 70, therefore the first fire compartment wall is even more important, according to weighted value summation separately, the first 80 milliseconds of fire compartment wall time delays send ARP broadcasting packet, the second 70 milliseconds of fire compartment wall time delays send ARP broadcasting packet, the arp cache table of other equipment on routed path can be refreshed by the ARP broadcasting packet of the first fire compartment wall like this, and all messages forward by the first fire compartment wall.
Fig. 2 is the structural representation of the Dual-Computer Hot-Standby System based on heartbeat of the present invention.
As shown in Figure 2, a kind of Dual-Computer Hot-Standby System based on heartbeat, comprise: the first fire compartment wall 1, the second fire compartment wall 2 and heartbeat 3, the first fire compartment wall 1 and the second fire compartment wall 2 are under consolidated network topological environmental, between the first fire compartment wall 1 and the second fire compartment wall 2, be connected by heartbeat 3, and carry out the synchronous of configuration information to each other and data message by heartbeat 3 every regular time interval (as 10 seconds), make them there is identical routed path.
The first fire compartment wall 1 is set weighted value to each routed path being associated with the first fire compartment wall 1, and calculates the weighted value summation of all routed paths that are associated with the first fire compartment wall 1.
The second fire compartment wall 2 is set weighted value to each routed path being associated with the second fire compartment wall 2, and calculates the weighted value summation of all routed paths that are associated with the second fire compartment wall 2.
For identical routed path, the first fire compartment wall 1 and the second fire compartment wall 2 arrange different weighted values.In example embodiment, the first fire compartment wall 1 and the second fire compartment wall 2 have identical routed path, comprise routed path 1 and routed path 2, the weighted value of the first fire compartment wall 1 routed path 1 is set to 50, the weighted value of routed path 2 is set to 30, and routed path weighted value summation is that the weighted value of 80, the second fire compartment wall 2 routed paths 1 is set to 30, the weighted value of routed path 2 is set to 40, and routed path weighted value summation is 70.
The first fire compartment wall 1 and the second fire compartment wall 2 are issued the other side by heartbeat 3 by routed path weighted value summation separately, and compare respectively the routed path weighted value summation of self and the size of the other side's who receives routed path weighted value summation.
In example embodiment, the routed path weighted value summation of the second fire compartment wall 2 that the first fire compartment wall 1 is received is that the routed path weighted value summation of the first fire compartment wall 1 of receiving of 70, the second fire compartment walls 2 is 80.
The first fire compartment wall 1 is larger by relatively determining the routed path weighted value summation of self, and the second fire compartment wall 2 is less by relatively determining the routed path weighted value summation of self.
The state of the fire compartment wall self that routed path weighted value summation is larger is set to aggressive mode, ARP broadcasting packet is processed and carried out data retransmission, the state of the fire compartment wall self that routed path weighted value summation is less is set to passive suppression mode, does not process any message.
In example embodiment, the state of the first fire compartment wall 1 self that routed path weighted value summation is larger is set to aggressive mode, ARP broadcasting packet is processed and carried out data retransmission, the state of the second fire compartment wall 2 self that routed path weighted value summation is less is set to passive suppression mode, does not process any message.
The first fire compartment wall 1 and the second fire compartment wall 2 each synchronous by heartbeat 3 before, the first fire compartment wall 1 and the second fire compartment wall 2 recalculate routed path weighted value summation separately, to ensure, when synchronous by heartbeat 3, up-to-date routed path weighted value summation is sent to the other side.
In example embodiment, when routed path 1 because have no progeny in fault or other reasons, the routed path weighted value summation that the first fire compartment wall 1 recalculates is that the routed path weighted value summation that weighted value 30, the second fire compartment walls 2 of routed path 2 recalculate is the weighted value 40 of routed path 2.When the first fire compartment wall 1 and the second fire compartment wall 2 are issued up-to-date separately routed path weighted value summation after the other side by heartbeat 3, the first fire compartment wall 1 is less by relatively determining the routed path weighted value summation of self, the second fire compartment wall 2 is larger by relatively determining the routed path weighted value summation of self, therefore the state of the second fire compartment wall 2 self is set to aggressive mode, ARP broadcasting packet is processed and carried out data retransmission, the state of the first fire compartment wall 1 self is set to passive suppression mode, does not process any message.
When in the first fire compartment wall 1 and the second fire compartment wall 2 any one break down cause heartbeat signal interrupt time, another fire compartment wall is emergency mode by the Status Change of self, the time delay of carrying out ARP broadcasting packet according to current routed path weighted value summation sends, and all messages forward by this fire compartment wall.In example embodiment, when the first fire compartment wall 1 break down cause heartbeat signal interrupt time, the second fire compartment wall 2 is emergency mode by the Status Change of self, now the routed path weighted value summation of the second fire compartment wall 2 is 70, the second 70 milliseconds of fire compartment wall 2 time delays send ARP broadcasting packet, the cache table of other equipment on routed path can be refreshed by the ARP broadcasting packet of the second fire compartment wall 2, and all messages forward by the second fire compartment wall 2.
When heartbeat 3 breaks down while causing the first fire compartment wall 1 and the second fire compartment wall 2 all not to receive the other side's heartbeat signal, the first fire compartment wall 1 and the second fire compartment wall 2 are all emergency mode by the Status Change of self, the first fire compartment wall 1 and the second fire compartment wall 2 bases separately current routed path weighted value summation are carried out the time delay transmission of ARP broadcasting packet, and routed path weighted value summation is higher, time delay is longer. like this, in the time that upper level router sends ARP broadcasting packet, the time interval of replying ARP broadcasting packets due to two fire compartment walls is fixed and is different, the arp cache table of one side's meeting configuration file of router of rear transmission, and then ensure that message only sends from one of them fire compartment wall, avoid the problem of the message forwarding path confusion causing because two fire compartment walls are all converted to active state.In example embodiment, when heartbeat 3 breaks down while causing the first fire compartment wall 1 and the second fire compartment wall 2 all not to receive the other side's heartbeat signal, the first fire compartment wall 1 and the second fire compartment wall 2 are all emergency mode by the Status Change of self, now the weighted value summation of the routed path of the first fire compartment wall 1 is 80, the routed path weighted value summation of the second fire compartment wall 2 is 70, therefore the first fire compartment wall 1 is even more important, according to weighted value summation separately, the first 80 milliseconds of fire compartment wall 1 time delays send ARP broadcasting packet, the second 70 milliseconds of fire compartment wall 2 time delays send ARP broadcasting packet, the arp cache table of other equipment on routed path can be refreshed by the ARP broadcasting packet of the first fire compartment wall 1 like this, and all messages forward by the first fire compartment wall 1.
Should be understood that, above-mentioned embodiment of the present invention is only for exemplary illustration or explain principle of the present invention, and is not construed as limiting the invention.Therefore any amendment of, making, be equal to replacement, improvement etc., within protection scope of the present invention all should be included in without departing from the spirit and scope of the present invention in the situation that.In addition, claims of the present invention are intended to contain whole variations and the modification in the equivalents that falls into claims scope and border or this scope and border.
Claims (10)
1. the double hot standby method based on heartbeat, is characterized in that, comprises the following steps:
Step S1, connects the first fire compartment wall and the second fire compartment wall by heartbeat;
Step S2, the first fire compartment wall is set weighted value to each routed path being associated with the first fire compartment wall, and the second fire compartment wall is set weighted value to each routed path being associated with the second fire compartment wall;
Step S3, the first fire compartment wall calculates the summation of the weighted value of all routed paths that are associated with the first fire compartment wall, and the second fire compartment wall calculates the summation of the weighted value of all routed paths that are associated with the second fire compartment wall;
Step S4, the first fire compartment wall and the second fire compartment wall are issued the other side by heartbeat by routed path weighted value summation separately;
Step S5, the first fire compartment wall and the second fire compartment wall compare respectively the routed path weighted value summation of self and the size of the other side's who receives routed path weighted value summation;
Step S6, the state of the fire compartment wall self that routed path weighted value summation is larger is set to aggressive mode, address resolution protocol (ARP) broadcasting packet is processed and carried out data retransmission, the state of the fire compartment wall self that routed path weighted value summation is less is set to passive suppression mode, does not process any message.
2. method according to claim 1, is characterized in that, described the first fire compartment wall and described the second fire compartment wall are under consolidated network topological environmental, and described the first fire compartment wall and described the second fire compartment wall have identical routed path configuration.
3. method according to claim 1, is characterized in that, before described the first fire compartment wall and described the second fire compartment wall are at every turn synchronous by heartbeat, recalculates routed path weighted value summation separately.
4. according to the method described in claims 1 to 3 any one, it is characterized in that, when in described the first fire compartment wall and described the second fire compartment wall any one break down cause heartbeat signal interrupt time, another fire compartment wall is emergency mode by the Status Change of self, the time delay of carrying out ARP broadcasting packet according to current routed path weighted value summation sends, and all messages forward by this another fire compartment wall.
5. according to the method described in claims 1 to 3 any one, it is characterized in that, when described heartbeat breaks down while causing described the first fire compartment wall and described the second fire compartment wall all not to receive the other side's heartbeat signal, described the first fire compartment wall and described the second fire compartment wall are all emergency mode by the Status Change of self, the time delay that described the first fire compartment wall and described the second fire compartment wall carry out ARP broadcasting packet according to current separately routed path weighted value summation sends, wherein said routed path weighted value summation is higher, and time delay is longer.
6. the Dual-Computer Hot-Standby System based on heartbeat, is characterized in that, comprising: the first fire compartment wall, the second fire compartment wall and heartbeat;
Between the first fire compartment wall and the second fire compartment wall, be connected by heartbeat;
The first fire compartment wall is set weighted value to each routed path being associated with the first fire compartment wall, and calculates the summation of the weighted value of all routed paths that are associated with the first fire compartment wall;
The second fire compartment wall is set weighted value to each routed path being associated with the second fire compartment wall, and calculates the summation of the weighted value of all routed paths that are associated with the second fire compartment wall;
The first fire compartment wall and the second fire compartment wall are issued the other side by heartbeat by routed path weighted value summation separately, and compare respectively the routed path weighted value summation of self and the size of the other side's who receives routed path weighted value summation;
The state of the fire compartment wall self that routed path weighted value summation is larger is set to aggressive mode, address resolution protocol (ARP) broadcasting packet is processed and carried out data retransmission, the state of the fire compartment wall self that routed path weighted value summation is less is set to passive suppression mode, does not process any message.
7. system according to claim 6, is characterized in that, described the first fire compartment wall and described the second fire compartment wall are under consolidated network topological environmental, and described the first fire compartment wall and described the second fire compartment wall have identical routed path configuration.
8. system according to claim 6, is characterized in that, before described the first fire compartment wall and described the second fire compartment wall are at every turn synchronous by heartbeat, recalculates routed path weighted value summation separately.
9. according to the system described in claim 6 to 8 any one, it is characterized in that, when in described the first fire compartment wall and described the second fire compartment wall any one break down cause heartbeat signal interrupt time, another fire compartment wall is emergency mode by the Status Change of self, the time delay of carrying out ARP broadcasting packet according to current routed path weighted value summation sends, and all messages forward by this another fire compartment wall.
10. according to the system described in claim 6 to 8 any one, it is characterized in that, when described heartbeat breaks down while causing described the first fire compartment wall and described the second fire compartment wall all not to receive the other side's heartbeat signal, described the first fire compartment wall and described the second fire compartment wall are all emergency mode by the Status Change of self, the time delay that described the first fire compartment wall and described the second fire compartment wall carry out ARP broadcasting packet according to current separately routed path weighted value summation sends, wherein said routed path weighted value summation is higher, and time delay is longer.
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