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:
Jan. 01, 2008
Filed:
Dec. 20, 2002
Richard Crump, Boston, MA (US);
Shekhar Kshirsagar, Lexington, MA (US);
Richard Crump, Boston, MA (US);
Shekhar Kshirsagar, Lexington, MA (US);
Nortel Networks Limited, St. Laurent, Quebec, CA;
Abstract
Described are a system and method of providing simultaneous lock-free access by a write process and at least one read process to records. The records are organized according to a first search data structure and according to a second search data structure. When searching for a particular record, the search occurs along a search path determined by the first search data structure until a record is accessed that indicates that the first search data structure is in an intermediate state. The searching for the particular record then continues along a search path determined by the second search data structure in response to the record that indicates that the first search data structure is in an intermediate state.