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:
May. 19, 2026
Filed:
Jul. 13, 2022
Bae Systems Plc, London, GB;
David James Sullivan, Christchurch Dorset, GB;
Neville James Micklewright, Christchurch Dorset, GB;
BAE SYSTEMS PLC, London, GB;
Abstract
Method of creating secure tunnel(s), a router node (RN) implementing same and a network comprising RNs is provided. Method comprises connecting a RN to the network. RN comprises bearer interfaces, each having a VRF module; receiving, from neighbouring nodes (NNs), loopback address(es) for bearer interface(s) in the NNs, and detecting, using the RN, routing prefix(es) associated with a tunnel within the loopback address(es). In response using the RN to: build a routing table (RT) comprising loopback address(es) for a bearer interface of the same type in one of the NNs; extract, from the RT, an IP address per tunnel being created; and set each extracted IP address as the destination address for each tunnel. Method comprises establishing a tunnel to each NN, by selecting a bearer interface for each NN; learning the set destination addresses and building the tunnel to each NN using the learnt destination addresses.
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