JPH11510665A - Atmセルをコネクションエレメントを介して最適に伝送する方法 - Google Patents
Atmセルをコネクションエレメントを介して最適に伝送する方法Info
- Publication number
- JPH11510665A JPH11510665A JP9539425A JP53942597A JPH11510665A JP H11510665 A JPH11510665 A JP H11510665A JP 9539425 A JP9539425 A JP 9539425A JP 53942597 A JP53942597 A JP 53942597A JP H11510665 A JPH11510665 A JP H11510665A
- Authority
- JP
- Japan
- Prior art keywords
- atm cells
- atm
- transmitted
- scheduling
- atm cell
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 97
- 230000015654 memory Effects 0.000 claims description 27
- 239000000872 buffer Substances 0.000 claims description 21
- 230000005540 biological transmission Effects 0.000 description 27
- 238000013459 approach Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000006727 cell loss Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012464 large buffer Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Classifications
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- 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
- H04L2012/5638—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
- H04L2012/5672—Multiplexing, e.g. coding, scrambling
-
- 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
-
- 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
- H04L2012/568—Load balancing, smoothing or shaping
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.マルチプレクサ装置(MUX)および/またはデマルチプレクサ装置(D EMUX、D0...D127)と、 該装置間に配置された、バッファメモリ(P1...Pn)を有するスケジュール 装置(SB0...SB127)と、 複数のヴァーチャルチャネル識別子および場合により該ヴァーチャルチャネル 識別子を含むヴァーチャルパスが割り当てられているATMセルストリームとを 用いる、 ATMセルをコネクションエレメントを介して最適に伝送する方法において、 第1の方法ステップにおいて、ATMセルストリームのピークビットレートを 表す判断基準にしたがってスケジュール装置(SBx)の1つを選択し、 第2の方法ステップにおいて、場合により少なくとも1つのATMセルをバッ ファメモリ(P1...Pn)の1つから取り出し、別の装置へ送出する、 ATMセルをコネクションエレメントを介して最適に伝送する方法。 2.第2の方法ステップにおいて、スケジュール装置(SB0...SB127 )のバッファメモリ(P1...Pn)内に記憶されているATMセルをウェイテッ ドフェアキューイングスケジューリング法(WFQ)により呼び出す、請求項1 記載の方法。 3.第1の方法ステップで当該のセルストリームのうち伝送すべきATMセル のピークビットレートの制限を、スケジュール装置(SB0...SB127)に 記憶されたATMセルに係数(R0...R127)を割り当てることにより行う、請 求項1または2記載の方法。 4.スケジュール装置(SB0...SB127)に並列に配置された個々のコ ネクションエレメントを介して付加的にリアルタイムATMセル(RT)をマル チプレクサ装置(MUX)に送出し、その際にスケジュール装置(SB0...S B127)を介して伝送されるATMセルよりも高い優先順位で送出する、請求 項1から3までのいずれか1項記載の方法。 5.バッファメモリ(P1...P127)はFIFOメモリとして構成されて いる、請求項1から4までのいずれか1項記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19617816.9 | 1996-05-03 | ||
DE19617816A DE19617816B4 (de) | 1996-05-03 | 1996-05-03 | Verfahren zum optimierten Übertragen von ATM-Zellen über Verbindungsabschnitte |
PCT/DE1997/000872 WO1997042788A1 (de) | 1996-05-03 | 1997-04-29 | Verfahren zum optimierten übertragen von atm-zellen über verbindungsabschnitte |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH11510665A true JPH11510665A (ja) | 1999-09-14 |
JP3258028B2 JP3258028B2 (ja) | 2002-02-18 |
Family
ID=7793260
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP53942597A Expired - Fee Related JP3258028B2 (ja) | 1996-05-03 | 1997-04-29 | Atmセルをコネクションエレメントを介して最適に伝送する方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US6553033B1 (ja) |
EP (1) | EP0896784B1 (ja) |
JP (1) | JP3258028B2 (ja) |
AT (1) | ATE287624T1 (ja) |
CA (1) | CA2253467C (ja) |
DE (2) | DE19617816B4 (ja) |
WO (1) | WO1997042788A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7474674B2 (en) | 1999-01-26 | 2009-01-06 | Panasonic Corporation | Data connecting method, data connecting apparatus, program recording medium |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19634492B4 (de) * | 1996-08-26 | 2004-10-14 | Siemens Ag | Verfahren zum optimierten Übertragen von ATM-Zellen über Verbindungsabschnitte |
US6570876B1 (en) * | 1998-04-01 | 2003-05-27 | Hitachi, Ltd. | Packet switch and switching method for switching variable length packets |
JP2003511909A (ja) * | 1999-10-06 | 2003-03-25 | テノー ネットワークス, インコーポレイテッド | 階層状に出力がキューされたパケットバッファリングシステムおよび方法 |
US6850490B1 (en) | 1999-10-06 | 2005-02-01 | Enterasys Networks, Inc. | Hierarchical output-queued packet-buffering system and method |
FR2806577B1 (fr) * | 2000-03-16 | 2002-10-11 | Cit Alcatel | Systeme de telecommunication dans lequel chaque terminal comporte plusieurs connexions |
TW488135B (en) * | 2000-03-31 | 2002-05-21 | Ibm | Method and system for controlling flows in sub-pipes of computer networks |
EP1364552B1 (en) | 2001-02-28 | 2006-08-30 | International Business Machines Corporation | Switching arrangement and method with separated output buffers |
DE10209787B4 (de) * | 2002-02-27 | 2005-10-13 | Technische Universität Dresden | Verfahren zur verlustfreien Übertragung von Nachrichten in einem geswitchten Übertragungsnetzwerk |
US7382782B1 (en) | 2002-04-12 | 2008-06-03 | Juniper Networks, Inc. | Packet spraying for load balancing across multiple packet processors |
US20040174881A1 (en) * | 2002-05-15 | 2004-09-09 | Keiji Okubo | Packet scheduling system and a packet scheduling method |
FR2845224B1 (fr) * | 2002-09-26 | 2004-12-17 | Cit Alcatel | Dispositif ordonnanceur pour un systeme a ressources partagees asymetriquement |
US7369741B2 (en) * | 2003-11-17 | 2008-05-06 | Fiber Optics Network Solutions Corp. | Storage adapter with dust cap posts |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4007747A1 (de) * | 1990-03-12 | 1991-09-19 | Standard Elektrik Lorenz Ag | Verfahren und anordnung zur speicherplatzverwaltung sowie vermittlungselement |
CA2104753C (en) | 1992-10-29 | 1999-02-16 | Kotikalapudi Sriram | Bandwidth allocation, transmission scheduling, and congestion avoidance in broadband atm networks |
US5390184A (en) * | 1993-09-30 | 1995-02-14 | Northern Telecom Limited | Flexible scheduling mechanism for ATM switches |
US5862127A (en) * | 1994-03-18 | 1999-01-19 | Electronics And Telecommunications Research Institute | Method of controlling the peak cell rate spacing of multiplexed ATM traffic |
GB2288097B (en) * | 1994-03-23 | 1998-09-23 | Roke Manor Research | ATM queuing and scheduling apparatus |
GB2288947B (en) * | 1994-04-20 | 1999-01-06 | Roke Manor Research | Improvements in or relating to ATM communication systems |
US5455825A (en) * | 1994-04-28 | 1995-10-03 | Mitsubishi Electric Research Laboratories | Tag-based scheduling system for digital communication switch |
DK0705006T3 (da) * | 1994-09-28 | 2000-03-13 | Siemens Ag | ATM kommunikationssystem til statistisk multipleksering af celler |
US5533020A (en) * | 1994-10-31 | 1996-07-02 | International Business Machines Corporation | ATM cell scheduler |
US5500858A (en) * | 1994-12-20 | 1996-03-19 | The Regents Of The University Of California | Method and apparatus for scheduling cells in an input-queued switch |
CA2150967C (en) * | 1994-12-22 | 2001-04-03 | Jon C. R. Bennett | Method and a scheduler for controlling when a server provides service with rate control to an entity |
US5917822A (en) * | 1995-11-15 | 1999-06-29 | Xerox Corporation | Method for providing integrated packet services over a shared-media network |
US6229812B1 (en) * | 1996-10-28 | 2001-05-08 | Paxonet Communications, Inc. | Scheduling techniques for data cells in a data switch |
-
1996
- 1996-05-03 DE DE19617816A patent/DE19617816B4/de not_active Expired - Fee Related
-
1997
- 1997-04-29 US US09/155,678 patent/US6553033B1/en not_active Expired - Fee Related
- 1997-04-29 CA CA002253467A patent/CA2253467C/en not_active Expired - Fee Related
- 1997-04-29 DE DE59712172T patent/DE59712172D1/de not_active Expired - Lifetime
- 1997-04-29 EP EP97922890A patent/EP0896784B1/de not_active Expired - Lifetime
- 1997-04-29 JP JP53942597A patent/JP3258028B2/ja not_active Expired - Fee Related
- 1997-04-29 WO PCT/DE1997/000872 patent/WO1997042788A1/de active IP Right Grant
- 1997-04-29 AT AT97922890T patent/ATE287624T1/de not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7474674B2 (en) | 1999-01-26 | 2009-01-06 | Panasonic Corporation | Data connecting method, data connecting apparatus, program recording medium |
Also Published As
Publication number | Publication date |
---|---|
EP0896784A1 (de) | 1999-02-17 |
WO1997042788A1 (de) | 1997-11-13 |
CA2253467C (en) | 2004-08-17 |
US6553033B1 (en) | 2003-04-22 |
EP0896784B1 (de) | 2005-01-19 |
ATE287624T1 (de) | 2005-02-15 |
CA2253467A1 (en) | 1997-11-13 |
DE59712172D1 (de) | 2005-02-24 |
DE19617816B4 (de) | 2004-09-09 |
JP3258028B2 (ja) | 2002-02-18 |
DE19617816A1 (de) | 1997-11-13 |
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