US 12,316,632 B2
Transferring verifiable address rights between devices of a data center (DC) network
Ian James Wells, San Jose, CA (US); and Kyle Andrew Donald Mestery, Woodbury, MN (US)
Assigned to Cisco Technology, Inc., San Jose, CA (US)
Filed by Cisco Technology, Inc., San Jose, CA (US)
Filed on Jun. 1, 2021, as Appl. No. 17/335,292.
Prior Publication US 2022/0385662 A1, Dec. 1, 2022
Int. Cl. H04L 9/40 (2022.01); H04L 61/5007 (2022.01); H04L 101/622 (2022.01)
CPC H04L 63/10 (2013.01) [H04L 61/5007 (2022.05); H04L 2101/622 (2022.05)] 20 Claims
OG exemplary drawing
 
1. A method comprising:
preventing a first server among servers in a data center fabric from communicating data from a range of addresses of a switch in the data center fabric, the switch providing switching services to the servers in the data center fabric;
determining that a service has been instantiated on the first server;
receiving a token at the first server, the token comprising a verifiable indication of authorization allowing the service to communicate from the range of addresses in the data center fabric;
sending one or more packets from the first server to the switch, the one or more packets including the token indicating the authorization allowing the service to communicate from the range of addresses;
communicating, by the first server, the data from a first address included in the range of addresses; and preventing the first server from communicating the data from a second address that is outside of the range of addresses.