Controlling multiple nodes divided into groups
US7054314B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 20, 2001 |
| Grant date | May 30, 2006 |
| Priority date | — |
| Expiry date | Dec 16, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L69/22
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A broadcast satellite network transmits from a source to multiple router nodes digital real-time program information and best-effort data. The router nodes are specifically suited for extracting best-effort data streams from the multiplexed signal received via, e.g., a satellite. A number of management techniques are disclosed. According to one technique, a packet is formed having a network layer header, including a destination address for routing a packet to a destination, a second header identifying a syntax and semantic by which a payload of the packet may be parsed in a predefined fashion, and a payload containing a command to be executed by each of one or more to-be-managed nodes to which the packet is destined. The packet is transmitted a plural amount of times to a plurality of nodes, including the one or more to-be-managed nodes, but the command in the particular packet is executed only a single time. According to other techniques, the nodes are divided into groups. In one technique, a unique identifier is assigned to each group and the packet containing the command contains the identifier. The packet is transmitted once but received by all nodes, including the group of nod…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.