| US 7,457,248 B1 | ||
| Graceful shutdown of network resources in data networks | ||
| Zafar Ali, Ann Arbor, Mich. (US); Anca Zamfir, Kanata (Canada); David D. Ward, Somerset, Wis. (US); Stefano B. Previdi, Wavre (Belgium); Jean-Philippe Vasseur, Dunstable, Mass. (US); and Peter Psenak, Waterloo (Belgium) | ||
| Assigned to Cisco Technology, Inc., San Jose, Calif. (US) | ||
| Filed on Feb. 10, 2004, as Appl. No. 10/775,855. | ||
| Int. Cl. G01R 31/08 (2006.01) | ||
| U.S. Cl. 370—235 [370/236; 370/390; 370/392] | 42 Claims |

| 1. In a computer network comprising a plurality of intermediate nodes, a method for gracefully shutting down a resource contained
in an intermediate node, the method comprising the steps of:
advertising to other intermediate nodes in the network that a resource is being gracefully shut down;
determining if a condition that warrants shutting down the resource is met, wherein the condition is an expiration of a predetermined
period of time; and
if the condition is met, shutting down the resource.
|