Intel Corporation

Benzi Ende

Luke L Chang

Aviad J Wertheimer

Noam Avni

Simcha Pearl

Gershon Bar-on

Sorana Lazarovici

Described are a device and system to transmit 8B/10B code groups including Ethernet data frames in a device-to-device interconnection. Control messages may be interleaved among the 8B/10B code groups for transmission to a destination device.

Serial ethernet device-to-device interconnection

A multi-MAC chip for an Ethernet, the multi-MAC chip generating different random variables for each MAC layer so that each MAC has a distinct backoff interval when there is a collision. This avoids a possible live-lock state. In one embodiment, the random variables are generated by adding distinct numbers to a random variable generated according to the truncated binary exponential backoff algorithm. In another embodiment, each MAC stops a free-running counter for some specified number of clock cycles upon occurrence of a distinct event, and each counter for each colliding MAC is sampled upon a collision to provide random integers used to calculate backoff intervals for each colliding MAC.

Collision live lock avoidance for multi-mac chips

Growing community of inventors

Maale Adumin, Israel

Benzi Ende