×

Routing of network traffic

  • US 4,862,496 A
  • Filed: 12/16/1986
  • Issued: 08/29/1989
  • Est. Priority Date: 12/18/1985
  • Status: Expired due to Term
First Claim
Patent Images

1. A method of routing traffic in a circuit-switched network, said method comprising:

  • offering calls between an origin node and a destination node to one or more pre-assigned preferred routes, andif the or each of said one or more preferred routes is not available, offering said calls to at least one alternative route, wherein calls continue to be offered to one or more current nominated alternative routes until the or one of said current nominated alternative routes is not available, at which point a replacement nomination for the unavailable current nominated alternative route is made from a set of alternative routes to the destination node,said current nominated alternative route being an alternative route which the origin node immediately offers to a call blocked on the pre-assigned preferred route.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×