Autoconfigured prefix delegation based on distributed hash
US8065515B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 20, 2007 |
| Grant date | Nov 22, 2011 |
| Priority date | — |
| Expiry date | Jun 4, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2101/659
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
In one embodiment, a method comprises detecting, by a router, an unsolicited first router advertisement message from an attachment router that provides an attachment link used by the router, the first router advertisement message specifying a first IPv6 address prefix owned by the attachment router and usable for address autoconfiguration on the attachment link; detecting, by the router, an unsolicited delegated IPv6 address prefix from the attachment router and that is available for use by the router; and automatically selecting by the router a second IPv6 address prefix based on concatenating a suffix to the delegated IPv6 address prefix, including dynamically generating the suffix based on a prescribed distributed hash operation executed by the router, the second IPv6 address prefix for use on at least one ingress link of the router.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.