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:
Jun. 24, 2014
Filed:
May. 11, 2011
Xinhua Hong, Milpitas, CA (US);
Hongbin Wang, San Jose, CA (US);
Ying Zhang, Oakland, CA (US);
Krishna Narayanaswamy, Saratoga, CA (US);
Rakesh Nair, Milpitas, CA (US);
Henry Han, San Ramon, CA (US);
Xinhua Hong, Milpitas, CA (US);
Hongbin Wang, San Jose, CA (US);
Ying Zhang, Oakland, CA (US);
Krishna Narayanaswamy, Saratoga, CA (US);
Rakesh Nair, Milpitas, CA (US);
Henry Han, San Ramon, CA (US);
Juniper Networks, Inc., Sunnyvale, CA (US);
Abstract
A fair weighted-hashing technique may be used in load balancing among a group of modules. In one implementation, a device may maintain a table that relates how incoming client resource requests are to be distributed among the modules. The device may update the table, in response to an indication that an additional module, associated with a module identifier, is to be included in the group of modules. The updating may include determining a number of entries to add to the table for the additional module, calculating a first hash value for each of the number of entries, and modifying the table by writing the module identifier to one or more sequential entries of the table, beginning at an index into the table corresponding to the first hash value.