The resilient
backplane ring (RBR) Working Group was formed after a study group generated a project authorization request (PAR)
was reviewed by the IEEE MSC and approved by the IEEE.
Questions should be directed to the MSC
Chair or the Working
Group Chair.
m Scope:
Resilient
backplane ring (RBR) is a backplane interconnect based on the dual-ring
resilient topology of resilient packet ring (RPR) and the 802 MAC
addressing structure. RBR includes features appropriate for the
low-latency backplane environment: destination-based flow control,
low-power short-haul PHY, backplane-to-backplane links, transport
of IEEE-1394 isochronous data, and support of IEEE-1596 memory-update
operations.
m Purpose:
The purpose of this project is to leverage the benefits of network-compatible
resilient interconnects within low-latency backplane environment.
m Reason for the standardization project:
High
speed backplanes are oftentimes used within the networking
environment, where designs can be simplified by sending network
frames and card-to-card communications over the same links. Although
the resilient packet ring (RPR) has the quality of service (QOS)
needed for card-to-card communications, other facilities associated
with a low-latency backplane environment are missing. When RPR like
protocols are supplemented with latency-critical backplane services,
the resulting backplane interconnect should be sufficient for many
mixed application backplane designs. Affected sectors would include
enterprise networking and computer server industries; perhaps 100s
or hopefully 1000s of companies.
m Associated documentation
Follow the following web pages for more information.