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US 2015/0029862 A1Published application
Multi-Level Flow Control
AssigneeARRIS Group, Inc.
InventorsRandy M. Olenz, Joseph V. Slogar
Life of this patent
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Abstract
Various methods, systems, and apparatuses can be used to control flow in an ethernet environment. In some implementations, methods can include receiving a flow of ethernet frames at a first device via an ethernet switch, determining that a buffer at the first device exceeds a threshold for an incoming flow, generating an initial pause frame operable to pause only a second device, and transmitting the initial pause frame to the ethernet switch.
Claims19
A computer-implemented method, comprising:
- receiving a flow of Ethernet frames at a first device from a second device via an intermediate Ethernet switch;
- determining that a buffer at the first device exceeds a first threshold for an incoming flow;
- generating a first initiate pause frame addressed to the second device and operable to pass through the intermediate Ethernet switch, the second device being the device that initiated the flow of Ethernet frames that caused the buffer at the first device to exceed the first threshold;
- transmitting the first initiate pause frame to the second device through the Ethernet switch without causing the Ethernet switch to pause traffic.
1 more element
A system, comprising:
- a first integrated module operable to receive a flow of Ethernet frames from a second integrated module via an intermediate integrated Ethernet switch;
- fill level logic operable to determine that a buffer at the first integrated module exceeds a first threshold for an incoming flow;
- a pause frame generator operable to generate a first initiate pause frame operable to be addressed to only the second integrated module and not affecting the intermediate integrated Ethernet switch, the second integrated module being an initiator of the flow of Ethernet frames that caused the buffer of the first integrated module to exceed the first threshold;
- wherein the first integrate module is operable to cause the first initiate pause frame to be transmitted to the intermediate integrated Ethernet switch without causing the intermediate integrated Ethernet switch to pause all traffic.
1 more element
Dependencies are inferred from the claim text.