Techniques for realizing service chaining
US9742589B2 · kind B2 · utility
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Key dates
| Filing date | Apr 28, 2015 |
| Grant date | Aug 22, 2017 |
| Priority date | — |
| Expiry date | Nov 12, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L69/22
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Techniques for realizing service chaining, a corresponding apparatus and an SDN (Software Defined Network) controller are disclosed. The method includes temporarily modifying an original destination MAC (media access control) address of a packet and an original source MAC address the packet during the time the packet makes a hop from one middlebox to another. A restore operation is used to restore the original source and destination MAC addresses after the hop is made.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.