Switch, device and method for constructing aggregated link
A switch, a device and a method for constructing an aggregated link are provided. A switch for constructing an aggregated link with multiple peer devices is provided. The switch includes multiple ports supporting different connection protocols, with each port being used for connecting to a peer device. The switch further includes a sub-aggregated link constructing unit used for aggregating one or more ports running the same protocol in the switch into a sub-aggregated link, and a control unit used for forming an aggregated link from all the sub-aggregated links.
1. A switch for constructing an aggregated link with multiple peer devices, the switch comprising:
multiple ports supporting different connection protocols, each port being used for connecting to one peer device;
at least one storage device for storing program instructions; and
at least one processor for processing the program instructions to:
configure the multiple ports of the switch;
aggregate one or more ports running the same protocol into a sub-aggregated link; and
form an aggregated link from multiple sub-aggregated links.
2. The switch of claim 1 , the at least one processor for further processing the program instructions to:
run, for each sub-aggregated link, a protocol of the corresponding sub-aggregated link; and
control a protocol exchange between the corresponding sub-aggregated link and the peer device.
3. The switch of claim 2 , the at least one processor for further processing the program instructions to:
store a port member list of the aggregated link and information of a hash control during running.
4. The switch of claim 3 , wherein the hash control during running is selected from a single-layer hash control and a multi-layer hash control.
5. The switch of claim 3 , wherein in response to one of the multiple peer devices having failed the at least one processor further processing the program instructions to:
perform a protocol exchange with the failed peer device;
rewrite a port member list of the aggregated link and information of a hash control during running; and
remove a connection with the failed peer device and run a new hash control.
6. The switch of claim 3 , wherein in response to one of the multiple peer devices recovering from a failure the at least one processor further processing the program instructions to:
perform a protocol exchange with the peer device;
rewrite a port member list of the aggregated link and information of a hash control during running; and
re-add a connection with the peer device recovered from the failure and run a new hash control.
7. The switch of claim 1 , the at least one processor for further processing the program instructions to:
configure a port member set of the switch and a protocol run by each port.
8. The switch of claim 1 , wherein the peer device is a switch or a server.
9. The switch of claim 1 , wherein the switch is a physical switch or a virtual switch.
10. A device for connecting to a switch, wherein the switch comprises multiple ports supporting different connection protocols, with each port being used for connecting to one peer device, the device comprising:
at least one storage device for storing program instructions; and
at least one processor for processing the program instructions to:
aggregate one or more ports running the same protocol in the switch into a sub-aggregated link; and
form an aggregated link from multiple sub-aggregated links.
11. The device of claim 10 , the at least one processor for further processing the program instructions to:
run, for each sub-aggregated link, a protocol of the corresponding sub-aggregated link; and
control a protocol exchange between the corresponding sub-aggregated link and the peer device.
12. The device of claim 10 , the at least one processor for further processing the program instructions to:
configure a port member set of the switch and a protocol run by each port.
13. The device of claim 10 , wherein the device is selected from a third-party device, and one of the multiple servers.
14. A method for constructing an aggregated link, comprising:
configuring multiple ports of a switch supporting different connection protocols, each port being used for connecting to one peer device;
aggregating one or more ports running the same protocol in the switch into a sub-aggregated link; and
forming an aggregated link from multiple sub-aggregated links.
15. The method of claim 14 , further comprising:
storing a port member list of the aggregated link and information of a hash control during running, wherein the hash control during running is selected from a single-layer hash control and a multi-layer hash control.
16. The method of claim 14 , further comprising:
when one of the multiple peer devices has failed:
a protocol control unit of a sub-aggregated link where the failed peer device is located performs a negotiation with the peer device;
the protocol control unit notifies the failure to a control unit of the switch; and
the control unit rewrites a port member list of the aggregated link and information of a hash control during running, and notifies a basic running unit of the rewritten port member list and information of the hash control during running, so as to remove a connection with the failed peer device and run a new hash control.
17. The method of claim 14 , further comprising:
when one of the multiple peer devices is recovered from a failure:
a protocol control unit of the sub-aggregated link where the peer device recovered from the failure is located performs a negotiation with the peer device;
the protocol control unit notifies the failure to a control unit of the switch; and
the control unit rewrites a port member list storing the aggregated link and information of a hash control during running, and notifies a basic running unit of the rewritten port member list and information of the hash control during running, so as to re-add a connection with the peer device recovered from the failure and run a new hash control.
18. The method of claim 14 , wherein the switch is selected from a physical switch and a virtual switch.
19. The method of claim 14 , wherein the method is run on one of the following: the switch, a third-party device, and one of multiple servers for establishing an aggregated link with the switch.
20. A computer program product comprising non-transitory computer readable storage media having program instructions embodied therewith, the program instructions executable by a processor to:
configure multiple ports of a switch supporting different connection protocols, each port being used for connecting to one peer device;
aggregate one or more ports running the same protocol in the switch into a sub-aggregated link; and
form an aggregated link from multiple sub-aggregated links.