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.

Date of Patent:
Jun. 30, 2015

Filed:

Nov. 03, 2012
Applicants:

Gavin J. Stark, Cambridge, GB;

Nicolaas J. Viljoen, Cambridge, GB;

Niel Viljoen, Cambridge, GB;

Rolf Neugebauer, Cambridge, GB;

Inventors:

Gavin J. Stark, Cambridge, GB;

Nicolaas J. Viljoen, Cambridge, GB;

Niel Viljoen, Cambridge, GB;

Rolf Neugebauer, Cambridge, GB;

Assignee:

NETRONOME SYSTEMS, INCORPORATED, Santa Clara, CA (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04L 12/861 (2013.01); H04L 12/725 (2013.01); H04L 12/851 (2013.01); H04L 12/26 (2006.01);
U.S. Cl.
CPC ...
H04L 45/30 (2013.01); H04L 47/245 (2013.01); H04L 43/0852 (2013.01);
Abstract

A network appliance includes a network processor and several processing units. Packets a flow pair are received onto the network appliance. Without performing deep packet inspection on any packet of the flow pair, the network processor analyzes the flows, estimates therefrom the application protocol used, and determines a predicted future time when the next packet will likely be received. The network processor determines to send the next packet to a selected one of the processing units based in part on the predicted future time. In some cases, the network processor causes a cache of the selected processing unit to be preloaded shortly before the predicted future time. When the next packet is actually received, the packet is directed to the selected processing unit. In this way, packets are directed to processing units within the network appliance based on predicted future packet arrival times without the use of deep packet inspection.


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