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1. WO1997025803 - METHOD AND APPARATUS FOR THE DYNAMIC ALLOCATION OF BUFFERS IN A DIGITAL COMMUNICATIONS NETWORK

Publication Number WO/1997/025803
Publication Date 17.07.1997
International Application No. PCT/US1997/000279
International Filing Date 07.01.1997
Chapter 2 Demand Filed 07.08.1997
IPC
H04L 12/56 2006.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
12Data switching networks
54Store-and-forward switching systems
56Packet switching systems
H04Q 11/04 2006.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
QSELECTING
11Selecting arrangements for multiplex systems
04for time-division multiplexing
CPC
H04L 2012/5681
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
12Data switching networks
54Store-and-forward switching systems
56Packet switching systems
5601Transfer mode dependent, e.g. ATM
5678Traffic aspects, e.g. arbitration, load balancing, smoothing, buffer management
5681Buffer or queue management
H04Q 11/0478
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
QSELECTING
11Selecting arrangements for multiplex systems
04for time-division multiplexing
0428Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals
0478Provisions for broadband connections
Y10S 707/99931
YSECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
10TECHNICAL SUBJECTS COVERED BY FORMER USPC
STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
707Data processing: database and file management or data structures
99931Database or file accessing
Applicants
  • CISCO SYSTEMS, INC. [US]/[US]
Inventors
  • VALIZADEH, Homayoun, S.
Agents
  • VINCENT, Lester, J.
Priority Data
08/583,98711.01.1996US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) METHOD AND APPARATUS FOR THE DYNAMIC ALLOCATION OF BUFFERS IN A DIGITAL COMMUNICATIONS NETWORK
(FR) PROCEDE ET APPAREIL D'ATTRIBUTION DYNAMIQUE DE TAMPONS DANS UN RESEAU NUMERIQUE DE TELECOMMUNICATIONS
Abstract
(EN)
A method for managing buffer memory in a communications controller that transmits data over a plurality of channels wherein the buffer memory comprises a memory space of Btotal. A first subset of the memory space Btotal is reserved for allocation to queues associated with each of the plurality of channels. A second subset of the memory space Btotal is reserved for allocation to queues associated with channels that are activated to transmit data. Any remaining memory space from the memory space Btotal is specified as free for allocation to any queue associated with a channel that is activated to transmit data.
(FR)
L'invention porte sur un procédé de création d'une mémoire tampon dans un contrôleur de télécommunications transmettant des données sur plusieurs canaux, ladite mémoire tampon comprenant un espace mémoire de Btotal. Un premier sous-ensemble de l'espace Btotal est réservé en vue de son attribution à des files d'attente respectivement associées à l'un des canaux. Un second sous-ensemble de l'espace Btotal est réservé en vue de son attribution à des files d'attente associées à des canaux étant activés pour la transmission de données. Tout espace mémoire de l'espace Btotal restant est libre en vue de son attribution à toute file d'attente associée à un canal étant activé pour la transmission de données.
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