Overlay switch
US10205609B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 26, 2017 |
| Grant date | Feb 12, 2019 |
| Priority date | — |
| Expiry date | Oct 26, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S19/46
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The present invention discloses an overlay switch (OSW) and a method used by the same. A received unicast packet needs to pass a waypoint chain including a number of waypoints. A network address of a first waypoint of the waypoint chain and an underlay network address of a second OSW connected to the first waypoint are obtained. In response to a determination that the second OSW is not the first OSW the unicast packet is encapsulated into a first underlay network packet according to a specification of an overlay network. A field of a destination header of the first underlay network packet includes the underlay network address of the second OSW. A source port field of a user datagram protocol (UDP) header is set to indicate a waypoint index included in a corresponding waypoint chain. The first underlay network packet is sent to the second OSW.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.