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. 14, 2009
Filed:
May. 04, 2005
Robert Meier, Cuyahoga Falls, OH (US);
Richard D. Rebo, Fairlawn, OH (US);
Victor J. Griswold, North Canton, OH (US);
Douglas Smith, Stouffvile, CA;
Nancy Cam Winget, Mountain View, CA (US);
Robert Meier, Cuyahoga Falls, OH (US);
Richard D. Rebo, Fairlawn, OH (US);
Victor J. Griswold, North Canton, OH (US);
Douglas Smith, Stouffvile, CA;
Nancy Cam Winget, Mountain View, CA (US);
Cisco Technology, Inc., San Jose, CA (US);
Abstract
A Wireless LAN Context Control Protocol (WLCCP) is used to establish and manage a wireless network topology and securely manages the 'operational context' for mobile stations in a campus network. The WLCCP registration protocol can automatically create and delete links in the network, securely distribute operational context, and reliably establish Layer 2 forwarding paths on wireless links. A single infrastructure node is established as the central control point for each subnet, and enables APs and MNs to select the parent node that provides the 'least-cost path' to a backbone LAN. Context messages provide a general-purpose transport for context and management information. WLCCP “Trace” messages facilitate network diagnostic tools. Ethernet or UDP/IP encapsulation can be used for WLCCP messages. Ethernet encapsulation is employed for intra-subnet (e.g. AP-to-AP or AP-to-SCM) WLCCP messages. IP encapsulation is used for inter-subnet WLCCP messages and may also be used for intra-subnet WLCCP messages.