Dynamic allocation of queue space using counters

Details Dynamic allocation of queue space using counters Dynamic allocation of queue space using counters

1996-11-12

1999-03-09

Ray, Gopal C.

Multiplex communications

Wide area network

Packet switching

370429, G06F 1300

Patent

active

058813160

ABSTRACT:
The space of a buffer is logically partitioned into space reserved for requests only, space reserved for responses only, and space that can be used for either requests or responses, i.e., dynamically usable as needed by the system. An arbiter uses three registers to keep track of the request buffer space, the response buffer space and the dynamic space. The arbiter compares each of the registers with a corresponding limit to determine if a request packet or a response packet should be sent to the buffer. The limits are set by software and define the maximum number of request products, response packets, and total number of packets the buffer can hold. For example, the limit may be set to eight requests, eight responses and ten total. Thus two spaces are reserved for requests and two spaces are reserved for responses, and six are dynamically usable.

REFERENCES:
patent: 4788679 (1988-11-01), Kataoka et al.
patent: 4922438 (1990-05-01), Ballweg
patent: 5448701 (1995-09-01), Metz, Jr. et al.
patent: 5473604 (1995-12-01), Lorenz et al.
patent: 5517615 (1996-05-01), Sefidvash et al.
patent: 5541932 (1996-07-01), Nguyen et al.

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