System with arbitration scheme supporting virtual address...

Details System with arbitration scheme supporting virtual address... System with arbitration scheme supporting virtual address...

2005-04-05

2005-04-05

Peikari, B. James (Department: 2186)

Electrical computers and digital data processing systems: input/

Access arbitrating

Access prioritizing

C710S316000, C710S240000, C710S038000, C710S040000, C709S203000, C709S240000, C709S207000

Reexamination Certificate

active

06877056

ABSTRACT:
A computer system may include several client devices, a data network configured to transmit data packets between the client devices, a coherency mode storage unit configured to store an indication to control whether a given address packet is transmitted through the address network in a point-to-point mode or a broadcast mode, and an address network configured to transmit address packets between the client devices. The address network includes several address switches and implements a broadcast virtual network that transmits broadcast mode packets and a non-broadcast virtual network that transmits point-to-point mode packets. A first address switch is configured to select an address packet to output during each of several arbitration cycles and to prioritize selection of address packets in the broadcast virtual network over selection of address packets in the non-broadcast virtual network during a first portion of the arbitration cycles.

REFERENCES:
patent: 5625886 (1997-04-01), Raes
patent: 5627544 (1997-05-01), Snodgrass et al.
patent: 5854454 (1998-12-01), Upender et al.
patent: 6141344 (2000-10-01), DeLong
patent: 6169745 (2001-01-01), Liu et al.
patent: 6247100 (2001-06-01), Drehmel et al.
patent: WO0113247 (2001-02-01), None

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