Data center management based on merging/unmerging of configurations

1. An apparatus, comprising:

at least one processor; and

at least one memory storing instructions which, when executed by the at least one processor, cause the apparatus to at least:

determine for a network element of a data center network supporting a set of servers, a network underlay configuration on the network element for a network underlay of the data center network;

determine, for the network element, a network overlay configuration on the network element for a network overlay of the data center network configured to support communications of the set of servers;

determine, from a set of deviations associated with the data center network, a set of deviations impacting the network element;

generate, for the network element based on merging of the network underlay configuration and the network overlay configuration and based on the set of deviations impacting the network element, a merged network configuration for the network element; and

send, toward the network element, the merged network configuration for the network element.

2. The apparatus of claim 1 , wherein the network underlay includes a set of underlay connections for a spine and leaf architecture of the data center network.

3. The apparatus of claim 2 , wherein the set of underlay connections is based on at least one of border gateway protocol connectivity, virtual private network connectivity, or virtual extensible local area network connectivity.

4. The apparatus of claim 1 , wherein the network overlay includes a set of overlay connections of a set of tenants supported by the set of servers.

5. The apparatus of claim 4 , wherein the set of overlay connections of the set of tenants includes at least one of a tunnel, a layer 2 connection, a layer 3 service, a virtual private network connection, or a virtual extensible local area network connection.

6. The apparatus of claim 1 , wherein the network underlay configuration on the network element includes at least one of a network element identifier of a peer network element of an underlay connection, a connection endpoint identifier of a connection endpoint of an underlay connection, or a connection identifier of an underlay connection.

7. The apparatus of claim 1 , wherein the network overlay configuration on the network element includes at least one of a network element identifier of a peer network element of an overlay connection, a connection endpoint identifier of a connection endpoint of an overlay connection, or a connection identifier of an overlay connection.

8. The apparatus of claim 1 , wherein, to determine the network overlay configuration on the network element, the instructions, when executed by the at least one processor, cause the apparatus to at least:

compute a summation of a set of workloads of a set of tenants supported by the set of servers.

9. The apparatus of claim 1 , wherein, to determine the network overlay configuration on the network element, the instructions, when executed by the at least one processor, cause the apparatus to at least:

determine, for each tenant in a set of tenants supported by the set of servers, a respective workload for the respective tenant on the network element; and

compute a summation of the respective workloads of the respective tenants in the set of tenants supported by the set of servers.

10. The apparatus of claim 1 , wherein, to generate the merged network configuration for the network element based on the set of deviations impacting the network element, the instructions, when executed by the at least one processor, cause the apparatus to at least:

compute a summation of the set of deviations impacting the network element; and

generate the merged network configuration for the network element based on a summation of the network underlay configuration on the network element, the summation of the set of deviations impacting the network element, and the network overlay configuration on the network element.

11. The apparatus of claim 1 , wherein the set of deviations associated with the data center network includes at least one intent deviation associated with an intent of the data center network.

12. The apparatus of claim 1 , wherein the instructions, when executed by the at least one processor, cause the apparatus to at least:

detect a condition associated with the network;

generate, based on the condition associated with the network, a new merged network configuration for the network element; and

send, toward the network element, the new merged network configuration for the network element.

13. The apparatus of claim 12 , wherein, to generate the new merged network configuration for the network element, the instructions, when executed by the at least one processor, cause the apparatus to at least:

determine, based on the condition associated with the network, a new network overlay configuration for the network element;

generate, based on unmerging of the network overlay configuration for the network element from the merged network configuration for the network element, an intermediate network configuration for the network element; and

generate, based on merging of the new network overlay configuration for the network element to the intermediate network configuration for the network element, the new merged network configuration for the network element.

14. The apparatus of claim 1 , wherein the network element includes a switch of a data center fabric.

15. An apparatus, comprising:

at least one processor; and

at least one memory storing instructions which, when executed by the at least one processor, cause the apparatus at least to perform:

determining, for a network element of a data center network supporting a set of servers, a network underlay configuration on the network element for a network underlay of the data center network;

determining, for the network element, a network overlay configuration on the network element for a network overlay of the data center network configured to support communications of the set of servers;

generating, for the network element based on merging of the network underlay configuration and the network overlay configuration, a merged network configuration for the network element, wherein generating the merged network configuration for the network element comprises:

determining an existing merged network configuration for the network element, an existing network overlay configuration for the network element, and a new network overlay configuration for the network element; and

generating the merged network configuration for the network element based on the existing merged network configuration for the network element, the existing network overlay configuration for the network element, and the new network overlay configuration for the network element; and

sending, toward the network element, the merged network configuration for the network element.

16. The apparatus of claim 15 , wherein generating the merged network configuration for the network element comprises:

generating, based on unmerging of the existing network overlay configuration for the network element from the existing merged network configuration for the network element, an intermediate network configuration for the network element; and

generating, based on merging of the new network overlay configuration for the network element to the intermediate network configuration for the network element, the merged network configuration for the network element.

17. A method, comprising:

determining for a network element of a data center network supporting a set of servers, a network underlay configuration on the network element for a network underlay of the data center network;

determining, for the network element, a network overlay configuration on the network element for a network overlay of the data center network configured to support communications of the set of servers;

determining, from a set of deviations associated with the data center network, a set of deviations impacting the network element;

generating, for the network element based on merging of the network underlay configuration and the network overlay configuration and based on the set of deviations impacting the network element, a merged network configuration for the network element; and

sending, toward the network element, the merged network configuration for the network element.

18. A method, comprising:

determining, for a network element of a data center network supporting a set of servers, a network underlay configuration on the network element for a network underlay of the data center network;

determining, for the network element, a network overlay configuration on the network element for a network overlay of the data center network configured to support communications of the set of servers;

generating, for the network element based on merging of the network underlay configuration and the network overlay configuration, a merged network configuration for the network element, wherein generating the merged network configuration for the network element comprises:

determining an existing merged network configuration for the network element, an existing network overlay configuration for the network element, and a new network overlay configuration for the network element; and

generating the merged network configuration for the network element based on the existing merged network configuration for the network element, the existing network overlay configuration for the network element, and the new network overlay configuration for the network element; and

sending, toward the network element, the merged network configuration for the network element.