US 7,415,534 B2
Distribution of reachability information in data virtual private networks
Dwight D. Jamieson, Ottawa (Canada); and Rong R. Wang, Wheeling, Ill. (US)
Assigned to Nortel Networks Limited, St. Laurent, Quebec (Canada)
Filed on Nov. 01, 2004, as Appl. No. 10/978,909.
Application 10/978909 is a division of application No. 09/441367, filed on Nov. 17, 1999, granted, now 6,813,644.
Claims priority of application No. 2254813 (CA), filed on Nov. 18, 1998.
Prior Publication US 2005/0129015 A1, Jun. 16, 2005
Int. Cl. G06F 15/173 (2006.01)
U.S. Cl. 709—242 4 Claims
OG exemplary drawing
 
1. A method for operating a route reflector in a data network, comprising:
receiving VPN reachability information from particular client peer node connected to the route reflector, the VPN reachability information including a VPN identifier identifying a particular VPN;
reflecting the received VPN reachability information to all non-client peer nodes connected to the route reflector;
reflecting the received VPN reachability information to all non-solicit-capable client peer nodes connected to the route reflector; and
reflecting the received VPN reachability information to only those solicit-capable peer nodes connected to the route reflector which are currently participating in the particular VPN.