CA2355290A1 - Commande d'admission de connexions en fonction de la bande passante et de l'utilisation d'une memoire tampon - Google Patents
Commande d'admission de connexions en fonction de la bande passante et de l'utilisation d'une memoire tampon Download PDFInfo
- Publication number
- CA2355290A1 CA2355290A1 CA002355290A CA2355290A CA2355290A1 CA 2355290 A1 CA2355290 A1 CA 2355290A1 CA 002355290 A CA002355290 A CA 002355290A CA 2355290 A CA2355290 A CA 2355290A CA 2355290 A1 CA2355290 A1 CA 2355290A1
- Authority
- CA
- Canada
- Prior art keywords
- traffic
- log
- working point
- state variables
- queue
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/54—Store-and-forward switching systems
- H04L12/56—Packet switching systems
- H04L12/5601—Transfer mode dependent, e.g. ATM
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/54—Store-and-forward switching systems
- H04L12/56—Packet switching systems
- H04L12/5601—Transfer mode dependent, e.g. ATM
- H04L12/5602—Bandwidth control in ATM Networks, e.g. leaky bucket
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
- H04Q11/0428—Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals
- H04Q11/0478—Provisions for broadband connections
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/54—Store-and-forward switching systems
- H04L12/56—Packet switching systems
- H04L12/5601—Transfer mode dependent, e.g. ATM
- H04L2012/5629—Admission control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/54—Store-and-forward switching systems
- H04L12/56—Packet switching systems
- H04L12/5601—Transfer mode dependent, e.g. ATM
- H04L2012/5638—Services, e.g. multimedia, GOS, QOS
- H04L2012/5646—Cell characteristics, e.g. loss, delay, jitter, sequence integrity
- H04L2012/5651—Priority, marking, classes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/54—Store-and-forward switching systems
- H04L12/56—Packet switching systems
- H04L12/5601—Transfer mode dependent, e.g. ATM
- H04L2012/5678—Traffic aspects, e.g. arbitration, load balancing, smoothing, buffer management
- H04L2012/5679—Arbitration or scheduling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/54—Store-and-forward switching systems
- H04L12/56—Packet switching systems
- H04L12/5601—Transfer mode dependent, e.g. ATM
- H04L2012/5678—Traffic aspects, e.g. arbitration, load balancing, smoothing, buffer management
- H04L2012/5681—Buffer or queue management
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/54—Store-and-forward switching systems
- H04L12/56—Packet switching systems
- H04L12/5601—Transfer mode dependent, e.g. ATM
- H04L2012/5678—Traffic aspects, e.g. arbitration, load balancing, smoothing, buffer management
- H04L2012/5684—Characteristics of traffic flows
Abstract
L'invention concerne une technique de commande d'admission de connexions (CAC) pour un noeud de télécommunications, donnant une approximation de la probabilité de pertes en utilisant une fonction logarithmique génératrice des moments et ses deux dérivées partielles de la charge de travail sur une file d'attente sur un intervalle de temps. L'approximation utilise quatre variables d'état dépendant de la fonction logarithmique génératrice des moments et de ses deux dérivées partielles. Les quatre variables d'état sont: (1) un terme linéaire approchant le taux de perte logarithmique au point de fonctionnement; (2) l'argument du terme logarithmique approchant le taux de perte logarithmique au point de fonctionnement; (3) une limite de mémoire tampon utilisée au point de fonctionnement; et (4) un multiplicateur de trafic imaginaire utilisé au point de fonctionnement. Ces variables d'état varient linéairement en fonction du trafic, de manière qu'une nouvelle connexion viendrait simplement ajouter ses contributions. La commande d'admission de connexions (CAC) utilise ces variables d'état en vue d'obtenir les trois paramètres suivants: (1) une approximation q = z - log(c) du logarithme de la probabilité de perte; (2) une capacité limite B de la mémoire tampon; et (3) un multiple m du trafic imaginaire obtenu à partir d'un jeu d'essai de mise au point. Le trafic de toutes les connections est admissible dès que quatre conditions sont réunies. La présente invention s'applique notamment à un file d'attente ou un serveur uniques, et peut être généralisée à des files d'attentes et serveurs multiples.
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IBPCT/IB98/02072 | 1998-12-18 | ||
IB9802072 | 1998-12-18 | ||
US36582699A | 1999-08-03 | 1999-08-03 | |
US09/365,826 | 1999-08-03 | ||
PCT/SE1999/002419 WO2000038380A2 (fr) | 1998-12-18 | 1999-12-17 | Commande d'admission de connexions en fonction de la bande passante et de l'utilisation d'une memoire tampon |
Publications (1)
Publication Number | Publication Date |
---|---|
CA2355290A1 true CA2355290A1 (fr) | 2000-06-29 |
Family
ID=26318728
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002355290A Abandoned CA2355290A1 (fr) | 1998-12-18 | 1999-12-17 | Commande d'admission de connexions en fonction de la bande passante et de l'utilisation d'une memoire tampon |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP1142225A2 (fr) |
JP (1) | JP2002533997A (fr) |
CN (1) | CN1335009A (fr) |
AU (1) | AU3093900A (fr) |
CA (1) | CA2355290A1 (fr) |
TW (1) | TW512610B (fr) |
WO (1) | WO2000038380A2 (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6993018B1 (en) * | 1999-08-03 | 2006-01-31 | Telefonaktiebolaget Lm Ericsson (Publ) | Priority signaling for cell switching |
WO2003077588A1 (fr) * | 2002-03-13 | 2003-09-18 | Telefonaktiebolaget L M Ericsson | Controle d'admission de connexion dans des reseaux de paquets orientes, a services multiples |
CN100359895C (zh) * | 2004-11-12 | 2008-01-02 | 东南大学 | 利用快速傅立叶变换实现全数字无线通信系统 |
CN100347999C (zh) * | 2005-10-28 | 2007-11-07 | 清华大学 | 到达业务处理与到达业务前处理衔接的网络业务处理方法 |
CN100376100C (zh) * | 2005-10-28 | 2008-03-19 | 清华大学 | 控制业务接入时间间隔降低业务到达突发度的方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5850385A (en) * | 1991-09-24 | 1998-12-15 | Kabushiki Kaisha Toshiba | Cell loss rate sensitive routing and call admission control method |
US5408465A (en) * | 1993-06-21 | 1995-04-18 | Hewlett-Packard Company | Flexible scheme for admission control of multimedia streams on integrated networks |
JPH07183888A (ja) * | 1993-12-24 | 1995-07-21 | Fujitsu Ltd | Atm多重化制御方式 |
-
1999
- 1999-12-17 JP JP2000590349A patent/JP2002533997A/ja not_active Withdrawn
- 1999-12-17 EP EP99964910A patent/EP1142225A2/fr not_active Withdrawn
- 1999-12-17 CN CN 99816262 patent/CN1335009A/zh active Pending
- 1999-12-17 CA CA002355290A patent/CA2355290A1/fr not_active Abandoned
- 1999-12-17 WO PCT/SE1999/002419 patent/WO2000038380A2/fr not_active Application Discontinuation
- 1999-12-17 AU AU30939/00A patent/AU3093900A/en not_active Abandoned
- 1999-12-18 TW TW088122349A patent/TW512610B/zh active
Also Published As
Publication number | Publication date |
---|---|
EP1142225A2 (fr) | 2001-10-10 |
JP2002533997A (ja) | 2002-10-08 |
WO2000038380A2 (fr) | 2000-06-29 |
AU3093900A (en) | 2000-07-12 |
TW512610B (en) | 2002-12-01 |
WO2000038380A3 (fr) | 2000-11-09 |
CN1335009A (zh) | 2002-02-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FZDE | Discontinued |