Source-based steering data communications packets for transparent, bump-in-the-wire processing among multiple service applications
US8018875B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 18, 2009 |
| Grant date | Sep 13, 2011 |
| Priority date | — |
| Expiry date | Sep 14, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L49/355
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Steering data communications packets among multiple service applications in a link-level data communications switching apparatus that includes a link-level data communications switch and data communications ports coupling the switching apparatus to networks organized into pairs of networks, and ports connected to service applications, the switching apparatus further including rules governing the steering of data communications among service applications and networks, at least one rule that includes a network code that identifies a network pair and a direction of travel between the networks, including receiving data communications packets directed to a destination network, each packet containing a source network address, and steering by the switching apparatus each packet, the steering carried out only in accordance with the rules, using neither the source network address of the packet, the destination network address of the packet, nor the link-level identifier of any service application.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.