System and method for network address maintenance using dynamic host configuration protocol messages in a data-over-cable system
US6697862B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | May 21, 1999 |
| Grant date | Feb 24, 2004 |
| Priority date | — |
| Expiry date | May 21, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L61/5046
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A method for network address maintenance in a data-over-cable system. The method includes receiving a message containing a first network address, such as an Internet Protocol address, to be stored in a network address table, such as an Address Resolution Protocol table. If the first network address equates to a second network address stored in the network address table, one or more network addresses associated with the second network address are deleted from the network address table. A third network address is then stored in the network address table. The method provides for the removal of stale network addresses, freeing memory space and increasing security in the data-over-cable system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.