| US 7,599,328 B2 | ||
| System and method for efficient selection of a packet data servicing node | ||
| Cheng-Lee Nee, San Jose, Calif. (US); Gopal K. Dommety, Santa Clara, Calif. (US); Hancang Wang, San Jose, Calif. (US); Sudhakar R. Padala, San Jose, Calif. (US); Qingming Ma, Cupertino, Calif. (US); and Perng-Hwa A. Wu, Palo Alto, Calif. (US) | ||
| Assigned to Cisco Technology, Inc., San Jose, Calif. (US) | ||
| Filed on Dec. 27, 2005, as Appl. No. 11/319,347. | ||
| Application 11/319347 is a continuation of application No. 09/909699, filed on Jul. 20, 2001, granted, now 6,980,534. | ||
| Prior Publication US 2006/0153129 A1, Jul. 13, 2006 | ||
| This patent is subject to a terminal disclaimer. | ||
| Int. Cl. H04L 12/56 (2006.01) | ||
| U.S. Cl. 370—329 [370/356; 709/227] | 15 Claims |
| 1. A data communication system, comprising:
a plurality of packet data servicing nodes operable to communicate with each other,
wherein each packet data servicing node is operable to store and manage a cluster session table, each cluster session table
comprising a complete list of all presently active data communication sessions managed by the plurality of packet data servicing
nodes within a cluster; and
wherein each packet data servicing node is operable to receive a request for a data communication session originating from
a mobile unit presently being serviced by one of the plurality of packet data servicing nodes in an existing data communication
session, and responsive to the request each packet data servicing node is operable to access its cluster session table to
identify the packet data servicing node within the plurality that is presently servicing the mobile unit to service the requested
data communication session.
|