In-band management control unit software image download
US6292485A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 3, 1999 |
| Grant date | Sep 18, 2001 |
| Priority date | — |
| Expiry date | Jun 3, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L69/329
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A system for downloading a software image to a SONET network element which eliminates the need for a separate overhead channel for this purpose. The system conveys the software image using the File Transfer Protocol (FTP) over the Transmission Control Protocol (TCP), over the Internet Protocol (IP), using ATM. The disclosed system enables ATM cells carrying the software image to be received over a SONET ring connected to the device. The disclosed system uses permanent virtual circuits (PVCs) between network elements over which the software image may be transported. In a first embodiment, the PVCs form a star of logical connections with remote network elements to which software image files may be downloaded from a "gateway" network element. The gateway network element is a network element communicative with a central management station, which provides data to be downloaded to the remote network elements. In an alternative embodiment, the PVCs used to transport the software image connect adjacent network elements to the gateway network element. Those network elements adjacent to the gateway network element in turn have PVCs to their adjacent network elements. Thus, in the alternative…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.