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:
Jul. 03, 2012
Filed:
Sep. 19, 2007
Bryan J Donoghue, St Albans, GB;
Quang T Tran, Wokingham, GB;
Eugene O'neill, Dublin, IE;
David J Law, Edinburgh, GB;
Paul J Moran, Hemel Hempstead, GB;
Edele O'malley, Dublin, IE;
Jerome Nolan, Dublin, IE;
Kam Choi, Tring, GB;
Maunte a Goodfellow, Dunstable, GB;
Bryan J Donoghue, St Albans, GB;
Quang T Tran, Wokingham, GB;
Eugene O'Neill, Dublin, IE;
David J Law, Edinburgh, GB;
Paul J Moran, Hemel Hempstead, GB;
Edele O'Malley, Dublin, IE;
Jerome Nolan, Dublin, IE;
Kam Choi, Tring, GB;
Maunte A Goodfellow, Dunstable, GB;
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Abstract
A network stack includes a plurality of network units each of which includes a multiplicity of ports for receiving and forwarding addressed data packets, at least two cascade ports and a switching engine for forwarding received packets to at least one port in accordance with address data in the packets and a cascade connection including, for each of two opposite directions around the stack, at least one unidirectional path for data packets composed of links each between a respective cascade port on a network unit and a corresponding cascade port on the next network unit.