WO2011144172A1 - 一种无损带宽调整方法、设备及系统 - Google Patents
一种无损带宽调整方法、设备及系统 Download PDFInfo
- Publication number
- WO2011144172A1 WO2011144172A1 PCT/CN2011/075321 CN2011075321W WO2011144172A1 WO 2011144172 A1 WO2011144172 A1 WO 2011144172A1 CN 2011075321 W CN2011075321 W CN 2011075321W WO 2011144172 A1 WO2011144172 A1 WO 2011144172A1
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- WO
- WIPO (PCT)
- Prior art keywords
- node
- time slot
- adjustment
- oduf
- path
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/27—Arrangements for networking
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/16—Time-division multiplex systems in which the time allocation to individual channels within a transmission cycle is variable, e.g. to accommodate varying complexity of signals, to vary number of channels transmitted
- H04J3/1605—Fixed allocated frame structures
- H04J3/1652—Optical Transport Network [OTN]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/70—Admission control; Resource allocation
- H04L47/72—Admission control; Resource allocation using reservation actions during connection setup
- H04L47/724—Admission control; Resource allocation using reservation actions during connection setup at intermediate nodes, e.g. resource reservation protocol [RSVP]
Definitions
- the embodiment of the present invention provides a fallback mechanism, including:
- Example 2 Take the example shown in Figure 3 for the process of bandwidth reduction
- the method for determining the time slot adjustment information of each node of the ODUflex path is the same as the method for determining the time slot adjustment information when the downlink node allocates a time slot in the first embodiment, and includes: searching for the location according to the tunnel ID Describe the pre-adjustment bandwidth information of the ODUflex path, compare the adjusted bandwidth information with the pre-adjustment bandwidth information, determine the number of slots to be adjusted with the adjacent downstream nodes, and select the slots to be adjusted according to the number of slots. .
- Each node on the ODUf lex path sends a request message to the downstream node to the downstream node of the ODUf lex path after determining the slot adjustment information of the adjacent downstream node with the upstream node of each link as the upstream node of the link.
- each node on the ODUf lex path determines whether the time slot adjustment of the previous data plane is successful. If successful, the time slot adjustment rollback operation is performed, and the state before the time slot adjustment is rolled back, which is also to be increased. The time slot is deleted, or the subtracted time slot is added to the link connection.
- the message is an ODUflex lossless bandwidth adjustment message; and the message further includes a new label indicating the time slot used by the ODUflex on the link AB after the bandwidth adjustment, such as the labels 1, 2, 3, and 4; It is also possible to include both the new tag and the old tag of the pre-adjusted ODUflex on the link AB in the Pa th message.
- nodes A and B transmit the LCR protocol through the first overhead byte in the 0DU frame in the 0TN data plane, and handshake with each other, after the handshake is completed.
- the newly added time slot is added to the ODUf lex link connection; after successful, the GMP encapsulation mode is changed to the special mode (spec ia l mode).
- the data plane After the LCR protocol is completed on all the links that the ODUf lex has passed, the data plane automatically triggers the first node A to perform the BWR (Band Widness Res i ing) protocol to complete the ODUf lex rate boosting port;
- the indicating unit 72 is configured to indicate, by the label, the adjusted time slot of the adjacent upstream node or the selected time slot that needs to be adjusted, and send a time slot adjustment command to the data plane, so that the data plane follows the time slot. Adjust the command for slot adjustment and ODUf 1 ex bit rate adjustment.
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computing Systems (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Communication Control (AREA)
- Time-Division Multiplex Systems (AREA)
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2013126490/08A RU2541845C2 (ru) | 2010-11-08 | 2011-06-03 | Способ, устройство и система регулирования без потерь полосы пропускания |
CA2817178A CA2817178C (en) | 2010-11-08 | 2011-06-03 | Lossless bandwidth adjustment method, device and system |
JP2013536985A JP5497242B2 (ja) | 2010-11-08 | 2011-06-03 | ロスレス帯域幅調整のための方法、デバイス、およびシステム |
ES11783089.3T ES2654817T3 (es) | 2010-11-08 | 2011-06-03 | Método, dispositivo y sistema para el ajuste de ancho de banda sin interrupciones |
EP11783089.3A EP2627043B1 (en) | 2010-11-08 | 2011-06-03 | Method, device and system for lossless bandwidth adjustment |
US13/871,750 US9270375B2 (en) | 2010-11-08 | 2013-04-26 | Lossless bandwidth adjustment method, device and system |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201010539581.8 | 2010-11-08 | ||
CN2010105395818A CN102143052B (zh) | 2010-11-08 | 2010-11-08 | 一种无损带宽调整方法、设备及系统 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13/871,750 Continuation US9270375B2 (en) | 2010-11-08 | 2013-04-26 | Lossless bandwidth adjustment method, device and system |
Publications (1)
Publication Number | Publication Date |
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WO2011144172A1 true WO2011144172A1 (zh) | 2011-11-24 |
Family
ID=44410289
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2011/075321 WO2011144172A1 (zh) | 2010-11-08 | 2011-06-03 | 一种无损带宽调整方法、设备及系统 |
Country Status (8)
Country | Link |
---|---|
US (1) | US9270375B2 (zh) |
EP (1) | EP2627043B1 (zh) |
JP (1) | JP5497242B2 (zh) |
CN (1) | CN102143052B (zh) |
CA (1) | CA2817178C (zh) |
ES (1) | ES2654817T3 (zh) |
RU (1) | RU2541845C2 (zh) |
WO (1) | WO2011144172A1 (zh) |
Cited By (3)
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WO2012130106A1 (zh) * | 2011-03-30 | 2012-10-04 | 中兴通讯股份有限公司 | 一种控制平面带宽调整处理方法及系统 |
JP2013207765A (ja) * | 2012-03-29 | 2013-10-07 | Fujitsu Ltd | 伝送方法及びノード装置 |
JP2014123892A (ja) * | 2012-12-21 | 2014-07-03 | Fujitsu Ltd | ビットレート可変機能を含む光伝送装置 |
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- 2011-06-03 RU RU2013126490/08A patent/RU2541845C2/ru active
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012130106A1 (zh) * | 2011-03-30 | 2012-10-04 | 中兴通讯股份有限公司 | 一种控制平面带宽调整处理方法及系统 |
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Also Published As
Publication number | Publication date |
---|---|
US20130243427A1 (en) | 2013-09-19 |
CA2817178C (en) | 2016-08-16 |
CA2817178A1 (en) | 2011-11-24 |
CN102143052A (zh) | 2011-08-03 |
RU2013126490A (ru) | 2014-12-20 |
EP2627043A4 (en) | 2014-01-08 |
US9270375B2 (en) | 2016-02-23 |
EP2627043A1 (en) | 2013-08-14 |
ES2654817T3 (es) | 2018-02-15 |
JP2013545389A (ja) | 2013-12-19 |
CN102143052B (zh) | 2013-10-09 |
JP5497242B2 (ja) | 2014-05-21 |
RU2541845C2 (ru) | 2015-02-20 |
EP2627043B1 (en) | 2017-11-15 |
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