Controlling network traffic pertaining to a domain name based on a DNS-IP mapping
Some examples relate to controlling network traffic pertaining to a domain name based on a Domain Name System-Internet Protocol address (DNS-IP) mapping, An example includes receiving, in a cloud computing system, a local DNS-IP mapping for a domain name from respective Access Points (APs) in a virtual local area network (VLAN) along with geographical information of respective APs; generating a global DNS-IP mapping database comprising the local DNS-IP mapping for the domain name received from respective APs in the VLAN along with geographical information of respective APs, in the cloud computing system; and determining appropriate APs to distribute the global DNS-IP mapping, based on location information of respective APs.
1. A method comprising:
receiving, by a processing resource in a cloud computing system, a local Domain Name System-Internet Protocol address (DNS-IP) mapping for a domain name from respective Access Points (APs) in a virtual local area network (VLAN) along with geographical information of respective APs, wherein the local DNS-IP mapping comprises a list of IP addresses used for the domain name;
generating, by the processing resource, a global DNS-IP mapping database comprising the local DNS-IP mapping for the domain name received from respective APs in the VLAN along with geographical information of respective APs, in the cloud computing system; and
determining, by the processing resource, appropriate APs to distribute the global DNS-IP mapping, based on location information of respective APs, wherein the global DNS-IP mapping allows recipient APs to control network traffic pertaining to the domain name.
2. The method of claim 1 , wherein the location information comprises the geographical information of respective APs in the global DNS-IP mapping database.
3. The method of claim 1 , wherein the geographical information comprises a site label used to associate respective APs to a site.
4. The method of claim 1 , wherein the location information comprises Radio Frequency (RF) neighborhood information of respective APs in the cloud computing system.
5. The method of claim 1 , wherein the global DNS-IP mapping allows recipient APs to control network traffic pertaining to the domain name via an Access Control List (ACL).
6. The method of claim 1 , wherein the global DNS-IP mapping allows recipient APs to control network traffic pertaining to the domain name via a Policy Based Routing (PBR).
7. The method of claim 1 , wherein the global DNS-IP mapping allows recipient APs to control a client device initiated network traffic pertaining to the domain name.
8. The method of claim 1 , wherein the local DNS-IP mapping for the domain name is received from an AP in an event of a change in an IP address for the domain name.
9. The method of claim 8 , further comprising updating the global DNS-IP mapping database to reflect the change in the IP address for the domain name.
10. A system comprising:
a processor; and
a machine-readable medium storing instructions that, when executed by the processor, cause the processor to:
receive, in a cloud computing system, a local Domain Name System-Internet Protocol address (DNS-IP) mapping for a domain name from respective Access Points (APs) in a virtual local area network (VLAN) along with geographical information of respective APs, wherein the local DNS-IP mapping comprises a list of IP addresses used for the domain name;
generate a global DNS-IP mapping database comprising the local DNS-IP mapping for the domain name received from respective APs in the VLAN along with geographical information of respective APs, in the cloud computing system; and
determine appropriate APs to distribute the global DNS-IP mapping, based on location information of respective APs, wherein the global DNS-IP mapping allows recipient APs to control network traffic pertaining to the domain name.
11. The system of claim 10 , wherein the local DNS-IP mapping for the domain name is received via a WebSocket channel.
12. The system of claim 10 , wherein the local DNS-IP mapping for the domain name is received via a gRPC Remote Procedure Call.
13. The system of claim 10 , wherein the local DNS-IP mapping for the domain name is received from respective APs periodically.
14. The system of claim 10 , wherein the APs include at least one gateway device.
15. The system of claim 10 , wherein the appropriate APs include APs at a site.
16. A non-transitory machine-readable storage medium comprising instructions, the instructions executable by a processor of a system to:
receive, in a cloud computing system, a local Domain Name System-Internet Protocol address (DNS-IP) mapping for a domain name from respective Access Points (APs) in a virtual local area network (VLAN) along with geographical information of respective APs, wherein the local DNS-IP mapping comprises a list of P addresses used for the domain name;
generate a global DNS-IP mapping database comprising the local DNS-IP mapping for the domain name received from respective APs in the VLAN along with geographical information of respective APs, in the cloud computing system; and
determine appropriate APs to distribute the global DNS-IP mapping, based on location information of respective APs, wherein the global DNS-P mapping allows recipient APs to control network traffic pertaining to the domain name.
17. The storage medium of claim 16 , wherein the appropriate APs include APs in the VLAN.
18. The storage medium of claim 16 , wherein the appropriate APs include APs in another VLAN.
19. The storage medium of claim 16 , further comprising instructions to distribute the global DNS-IP mapping for the domain name to one or more of: APs in the VLAN, APs in another VLAN, and APs at a given site.
20. The storage medium of claim 19 , wherein the location information comprises one of the geographical information of respective APs in the global DNS-IP mapping database and Radio Frequency (RF) neighborhood information of respective APs in the cloud computing system.