US 11,695,730 B2
Providing services for logical networks
Anupam Chanda, San Jose, CA (US); Pankaj Thakkar, Cupertino, CA (US); Igor Ganichev, San Jose, CA (US); Ronghua Zhang, San Jose, CA (US); and Ansis Atteka, Palo Alto, CA (US)
Assigned to NICIRA, INC., Palo Alto, CA (US)
Filed by Nicira, Inc., Palo Alto, CA (US)
Filed on Jul. 31, 2020, as Appl. No. 16/945,541.
Application 15/886,738 is a division of application No. 14/069,329, filed on Oct. 31, 2013, granted, now 9,887,960, issued on Feb. 6, 2018.
Application 16/945,541 is a continuation of application No. 15/886,738, filed on Feb. 1, 2018, granted, now 10,764,238.
Claims priority of provisional application 61/866,022, filed on Aug. 14, 2013.
Prior Publication US 2020/0366640 A1, Nov. 19, 2020
Int. Cl. G06F 15/16 (2006.01); H04L 61/5014 (2022.01); H04L 45/586 (2022.01); H04L 45/64 (2022.01); G06F 9/455 (2018.01)
CPC H04L 61/5014 (2022.05) [H04L 45/586 (2013.01); G06F 2009/45595 (2013.01); H04L 45/64 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A network comprising:
a first plurality of host computers that execute a plurality of virtual machines of a plurality of logical networks, wherein the virtual machines utilize Dynamic Host Configuration Protocol (DHCP) in order to receive network addresses;
a second plurality of host computers that host DHCP services for logical networks, wherein:
a first host computer of the second plurality of host computers hosts an active implementation of a first DHCP service for a first logical network and a standby implementation of a second DHCP service for a second logical network as separate processes operating on the first host computer; and
a second host computer of the second plurality of host computers hosts a standby implementation of the first DHCP service for the first logical network and an active implementation of the second DHCP service for the second logical network as separate processes operating on the second host computer.