Methods and apparatuses for serial bus sideband communications

Details Methods and apparatuses for serial bus sideband communications Methods and apparatuses for serial bus sideband communications

2007-12-21

2010-10-26

Stiglic, Ryan M (Department: 2111)

Electrical computers and digital data processing systems: input/

Intrasystem connection

Bus interface architecture

C709S250000, C710S306000, C710S105000, C710S313000

Reexamination Certificate

active

07822907

ABSTRACT:
Methods and apparatuses that utilize a serial bus, such as a universal serial bus (USB), for communications between a communications network, a computing device, and an auxiliary device are disclosed. Some embodiments comprise methods handling sideband communications using serial buses. One or more of the embodiments comprise differentiating in-band data from out-of-band data, transferring information of the in-band data between a communications network and a computing device, and transferring information of the out-of-band data between the communications network and an auxiliary device. Some embodiments comprise an apparatus having a communications network interface, an auxiliary device interface, and a computing device interface. Of the interfaces, one or more may be a serial bus interface. The apparatus may differentiate between in-band and out-of-band data and communicate information of the out-of-band data to an auxiliary device. In some embodiments, the apparatus may also transfer control information. In some embodiments, information may be routed based upon cyclic redundancy check (CRC) information.

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Distributed Management Task Force; “Network Controller Sideband Interface (NC-SI) Specification”; Distributed Management Task Force; Jun. 26, 2007; Revision 1.0.0a; all pages.

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