The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 17, 2019
Filed:
Jan. 22, 2014
Lenovo Enterprise Solutions (Singapore) Pte. Ltd., Singapore, SG;
Claude Basso, Nice, FR;
Josep Cors, Rochester, MN (US);
Venkatesh K. Janakiraman, Cupertino, CA (US);
Sze-Wa Lao, Fremont, CA (US);
Sameer M. Shah, Cupertino, CA (US);
David A. Shedivy, Rochester, MN (US);
Ethan M. Spiegel, Mountain View, CA (US);
Natarajan Vaidhyanathan, Carrboro, NC (US);
Colin B. Verrilli, Apex, NC (US);
LENOVO ENTERPRISE SOLUTIONS (SINGAPORE) PTE. LTD., Singapore, SG;
Abstract
Techniques are disclosed for notifying network control software of new and moved source MAC addresses. In one embodiment, a switch detects packets sent by a new or migrated virtual machine, and sends a copy of a detected packet to the network control software as a notification. The switch further learns the source MAC address, thereby permitting the entry to be used for normal forwarding prior to validation of the entry and the VM associated therewith by the network control software. Until the network control software has validated the VM, the switch may periodically retry the notification to the network control software. 'No_Redirect' and 'Not_Validated' flags may be used to indicate whether a notification has already been attempted and thus no retry is necessary, and that the VM associated with the VM has not yet been validated, respectively.