System, server and terminal for switching line in local area network
US7152114B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 25, 2002 |
| Grant date | Dec 19, 2006 |
| Priority date | — |
| Expiry date | Dec 21, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W40/36
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A system for switching lines in a local area network is provided in which plural types of communication lines are used, and streaming information is continuously and smoothly transmitted to the terminal via a server when a terminal switches the communication line. The server comprises a buffer cumulating transmission or reception data for the latest predetermined quantity in each communication line and a switch processing portion for performing a switching process of the plural communication lines. The switch processing portion includes a switch request receiving portion for receiving a request to switch the line and the address in the buffer corresponding to data that are already received by the terminal transmitted by the terminal, a line selecting portion for selecting an appropriate communication line in response to the request to switch the line, a switch instruction transmitting portion for transmitting an instruction of switching to the selected communication line and the address in the buffer corresponding to data that are already received by the server, and a data destination switching portion for transferring packet data received for the terminal corresponding to the comm…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.