Sachin Nalinkumar Thakkar

20180069924, Mar 8, 2018

Aug 29, 2017

15/690222

- Palo Alto CA, US
Todd SABIN - Morganville NJ, US
Weiqing WU - Cupertino CA, US
Serge MASKALIK - Los Gatos CA, US
Sachin THAKKAR - San Jose CA, US

H04L 29/08
G06F 9/50
H04L 12/931

Techniques leveraging CPU flow affinity to increase throughput of a layer 2 (L2) extension network are disclosed. In one embodiment, an L2 concentrator appliance, which bridges a local area network (LAN) and a wide area network (WAN) in a stretched network, is configured such that multiple Internet Protocol Security (IPsec) tunnels are pinned to respective CPUs or cores, which each process traffic flows for one of the IPsec tunnels. Such parallelism can increase the throughput of the stretched network. Further, an L2 concentrator appliance that receives FOU packets is configured to distribute the received FOU packets across receive queues based a deeper inspection of inner headers of such packets.

20180060117, Mar 1, 2018

Aug 29, 2017

15/690241

- Palo Alto CA, US
Vemana MURTY - Bangalore, IN
Manjunath BANDI - Bangalore, IN
Todd SABIN - Morganville NJ, US
Narendra Kumar BASUR SHANKARAPPA - Sunnyvale CA, US
Sachin THAKKAR - San Jose CA, US

G06F 9/48
G06F 9/50
G06F 9/455

A method of migrating a virtualized computing instance between source and destination virtualized computing systems includes executing a first migration workflow in the source virtualized computing system between a source host computer and a first mobility agent simulating a destination host, executing a second migration workflow in the destination virtualized computing system between a second mobility agent simulating a source host and a destination host computer, sending, as part of the first migration workflow, a configuration of the migrated virtualized computing instance to the destination virtualized computing system, translating, as part of the second migration workflow, infrastructure-dependent information in the configuration of the migrated virtualized computing instance, and transferring, during execution of the first and second migration workflows, migration data including the virtualized computing instance between the source host and the destination host over a network.

20180063743, Mar 1, 2018

Jul 19, 2017

15/654588

- Palo Alto CA, US
Todd SABIN - Morganville NJ, US
Weiqing WU - Cupertino CA, US
Uday MASUREKAR - Sunnyvale CA, US
Serge MASKALIK - Los Gatos CA, US
Sachin THAKKAR - San Jose CA, US
Debashis BASAK - San Jose CA, US

H04W 28/02
H04L 12/801
H04L 12/911

An approach is disclosed for steering network traffic away from congestion hot-spots to achieve better throughput and latency. In one embodiment, multiple Foo-over-UDP (FOU) tunnels, each having a distinct source port, are created between two endpoints. As a result of the distinct source ports, routers that compute hashes of packet fields in order to distribute traffic flows across network paths will compute distinct hash values for the FOU tunnels that may be associated with different paths. Probes are scheduled to measure network metrics, such as latency and liveliness, of each of the FOU tunnels. In turn, the network metrics are used to select particular FOU tunnel(s) to send traffic over so as to avoid congestion and high-latency hotspots in the network.