TW200824346A - QoS-guaranteed dynamic bandwidth configuration method of Ethernet passive optical network - Google Patents

QoS-guaranteed dynamic bandwidth configuration method of Ethernet passive optical network Download PDF

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Publication number
TW200824346A
TW200824346A TW95142366A TW95142366A TW200824346A TW 200824346 A TW200824346 A TW 200824346A TW 95142366 A TW95142366 A TW 95142366A TW 95142366 A TW95142366 A TW 95142366A TW 200824346 A TW200824346 A TW 200824346A
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Taiwan
Prior art keywords
bandwidth
service
optical network
report
dynamic bandwidth
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TW95142366A
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Chinese (zh)
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TWI324867B (en
Inventor
qi-yi Lin
Wei-Chang Fang
Jing-Xu Wang
shi-yuan Zheng
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Chunghwa Telecom Co Ltd
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Abstract

A quality of service guaranteed (QoS-guaranteed) dynamic bandwidth configuration method of an Ethernet passive optical network mainly uses a detector to detect a control code related to the use of a service for connection establishment or termination, where the output of the detector is connected to a bandwidth report unit of a user-end optical network unit (ONU). By allowing the bandwidth report unit to write a bandwidth requirement in a specific queue length (1TQ-4TQ) into a queue length report column of a report message, an OLT (optical line termination) bandwidth configuration unit can inspect the content of the queue length report column of the received report message so as to know the bandwidth requirement of the user end and, accordingly, configure an adequate bandwidth to the ONU.

Description

200824346 九、發明說明: 【發明所屬之技術領域】 本發明係關於一種應用偵測網路應用服務訊息内容的功能來 判定使用者頻寬需求,以及所需服務品質之上行頻寬配置的考旦 服務品質之乙太被動光纖網路動態頻寬配置方法。 【先前技術】 乙太被動光纖網路的上行頻寬配置方式,一直以來都不容易 〇 兼顧保障服務品質以及頻寬使用效率這兩項要求,其遭遇的困難 主要來自使用者頻寬需求的不確定性;現有許多已被提出的頻寬 配置技術大乡著重在上行頻寬需求的剩,以確保紐先權訊務 有足夠的上行頻寬得以使用,而由於頻寬需求的變異性大,在益 法正確地預_寬需求的狀況下就逕行保留頻寬,會導致頻寬使 用效率低落,因此,追究制之頻寬配置方式為何無法正確預測 頻寬需求,乃因未與上層服務彼此絲,導致沒有充份的資訊預 ί)先進行頻寬配置,因此無法即時掌握頻寬需求。 由此可見’上述制之頻寬配置方式仍有諸多缺失,實非一 良善之設計,亟待加以改良。 本案毛月人鑑於上述習用之頻寬配置方式所衍生的各項缺 點,乃亟思加以改良創新,並經多年苦心孤錯潛心研究後 ,終於 成力研U成本件-種考1服務品質之乙太被動光纖網路動態頻 寬配置方法。 【發明目的] 200824346 I目的係在於提供—種結合侧網路剌服務訊 、勺力i來判斷使用者的頻寬需求以及所需的服務品質, 而可以正確且快速地反應使用者的職需求,以達成提早預訂或 釋放上行頻寬的考量服務品質之乙太被動光纖網路動態頻寬配置 方法。 …本t月之*要目的係在於提供_種可增加上行頻寬之使用效 率同喊具保1^使用者所需服務品質的考量服務品質之乙太被 Cl動光纖網路動態頻寬配置方法。 【發明内容】 …為達成上逑目的,本發明所提供的考量服務品質之乙太被動 光、_路_頻寬配置方法,主要係應關測網路應驗務訊息 内谷的功% ’來達成正確且快速反應使用者頻寬需求之目的,並 且確保使用者所需之服務品質。 其主要係應用一個偵檢器來檢視應用服務的訊息内容當中有 U關制服務建立連線或情連線之控制碼,該傭器之輸出連接 至光纖纟眺帛彳端設備Qptieal Netwc)i,k Unit (QNU)的頻寬狀態報 〇單元藉由頻寬報告單元將此頻寬需求以特殊之仔列長度值(1 TQ〜41 TQ)寫入reP〇rt訊息的佇列長度報告欄位,使位於局端 的Optical Line Termination (OLT)的頻寬配置單元檢視所收到 REPORT訊息之佇列長度報告攔位内容,而可得知使用者的頻寬 需求’然後配置適當頻寬給該0NU使用。 【實施方式】 200824346 配置方提供財1服務品質之乙太縣先義路動能頻寬 使用者織m财法。 去‘、、、法正確且快速反應 、請參閱圖-及圖二所示,本發明所提供的考量服務 太被動光纖網路動態頻寬配置方法,貝 (可為軟體方式或硬體方用—個偵檢器1 Ο 中有_伊服吟奢j ;仃來檢視應用服務的訊息内容當 甲有严就用服務建立連線或中斷連線之控制碼 用為檢知上下行訊務流當中是 U之功 特的控制碼,控制碼所代 t義Γ應用服務之連線建立或連線結束。該偵檢器卜旦 、雨=,仏制碼’偵檢器1立即將該控制碼所代表之頻寬需求 通知狀態報告單元2,_寬狀§報告單元2將此需求反應在 MP〇RT _ ’再將刪RT訊_鳩麵程器3進行 上傳動作。 另外在REPOR丁訊息當中有一仵列長度報告搁位5,該符 列長度報告攔位5 _途是將先_路用戶端設備⑴则4的8 個IEEE 802·1Ρ狩列長度回報給〇p祕▲ 於侧長度單蚊Time Quanta咖TQ,丨個tq麵長度為Μ 们位元)1¾且知列長度報告必須包含乙太封包的卩謂量(長度4 TQ)|4 Inter-Frame Gap (長度6 TQ),因此若某狩列内僅有一個最小 的乙太封包(長度64_byte),該彳宁列長度報針「為42tq。因此,在 般狀况下1 TQ〜41 TQ的狩列長度值皆不會出現於仔列長度報 200824346 1巾本U提丨可藉由此制長度範圍做為光纖網路用 戶端設備4與⑽之間的特殊溝通管道,也就是,當-個特定 懸8〇2.lp仔列的長度報告值介於1 TQ〜41 TQ,位於0LT的動 態頻寬配置單元即依據糾長度報告值1 TQ〜4丨TQ分別所代表 的意義,判斷得知該光纖網路用戶端設備4的頻寬需求為哪—種: 例如㈣長度報告值為! TQ g寺,表示偵測到使用者即將建立逮 率為勘_ _路電話服務;㈣長度報告值為2风時,表示 制到使时即雜束鱗為膽咖的瓣。各種不 同件列長度報告值所代表的服務_需事歧義,以利⑽ 纖網路用戶端設備4之_溝通無誤。而⑽在接收到某光纖 路用戶端賴A所送出特殊剌長度報告值時,即可依照特树 列長度報錄的錄意義進行頻寬配置。 【特點及功效】 本發明所提供之一種考量服務口所 f Μ 〖務1之乙太摘光纖網路動態 頻見配置方法’與其㈣用技術相互比較時,更具備下列料· 1、 本發明可正確且快速反應使用者頻寬需求,提供較佳的網 路服務品質。 2、 本個可與1腿8G2拙縣完全她,可在符合!咖 說3沾鮮之設射實作,有撕設備互通性。 上列詳細說明乃針對本發明之—可行實施例進行具體說明, 惟該實施例並非肋限制本發明之專利範圍,凡未脫離本發明 藝精神所為之等效實施或變更,均應包含於本案之專利範圍中。 8 200824346 綜上所述,本案不僅於技術思想上確屬創新,並具備習用之 傳統方法所不狀上述乡項频,&充分符合_性及進步性之 法定發明專利要件,爰依法提出巾_, ,懇,貴局核准本件發明 專利申請案,以勵發明,至感德便。 【圖式簡單說明】 請參閱以下有關本發明之詳細說明及其關,將可進一步瞭 解本發明之技術内容及其目的功效;有__ : ' 圖一為本發明考量服務品質之乙太被動光纖網路動態頻寬配 置方法之光纖網路用戶端設備的内部架構圖;以及 圖二為IEEE 802.3ah REPORT訊息示意圖。 【主要元件符號說明】 1偵檢器 2頻寬狀態報告單元 3訊務分類排程器 ^ 光纖網路用戶端設備 5 件列長度報告欄位200824346 IX. Description of the invention: [Technical field of the invention] The present invention relates to a function for detecting the content of a network application service message to determine the user bandwidth requirement and the uplink bandwidth configuration of the required service quality. Service quality B-passive passive fiber network dynamic bandwidth configuration method. [Prior Art] The uplink bandwidth configuration mode of the Ethernet passive optical network has not been easy to take into account both the guarantee service quality and the bandwidth usage efficiency. The difficulties encountered mainly come from the user bandwidth requirements. Certainty; many existing bandwidth allocation technologies have focused on the need for upstream bandwidth to ensure that the upstream bandwidth has sufficient upstream bandwidth to be used, and because of the variability of bandwidth requirements, In the case that the benefit method correctly pre-width requirements, the bandwidth is reserved, which will result in low efficiency of bandwidth usage. Therefore, why the bandwidth configuration method of the investigation system cannot correctly predict the bandwidth requirement, because the upper layer service is not mutually Silk, resulting in no sufficient information pre-) the bandwidth configuration, so you can not grasp the bandwidth requirements. It can be seen that there are still many shortcomings in the bandwidth allocation method of the above system. It is not a good design and needs to be improved. In view of the shortcomings derived from the above-mentioned bandwidth allocation method, Maoyue people have improved and innovated, and after years of painstaking research, they have finally made great efforts to research U cost parts. Ethernet passive fiber network dynamic bandwidth configuration method. [Object of the Invention] The purpose of 200824346I is to provide a combination of side network service messages and scooping powers to determine the user's bandwidth requirements and the required service quality, and to correctly and quickly respond to the user's job requirements. In order to achieve early booking or release the uplink bandwidth consideration service quality of the Ethernet passive network dynamic bandwidth configuration method. ... The purpose of this month is to provide _ kinds of ways to increase the efficiency of the uplink bandwidth and the quality of service required by the user to ensure the quality of the service. . SUMMARY OF THE INVENTION In order to achieve the above objective, the method for configuring the quality of the service, such as the passive light, the _road_bandwidth configuration method, is mainly to measure the power % of the valley in the service inspection message. Achieve the correct and rapid response to the user's bandwidth needs, and ensure the quality of service required by users. It mainly uses a spyware to view the application service's message content. There is a U-connection service to establish a connection or connection control code. The output of the commissioner is connected to the fiber-optic terminal device Qptieal Netwc)i The k-unit (QNU) bandwidth status reporting unit writes the bandwidth requirement to the queue length report column of the reP〇rt message by the bandwidth reporting unit with a special length value (1 TQ~41 TQ). Bit, the bandwidth configuration unit of the Optical Line Termination (OLT) located at the central office checks the queue length of the received REPORT message to report the content of the intercept, and can know the bandwidth requirement of the user' and then configure the appropriate bandwidth for the 0NU is used. [Embodiment] 200824346 The configuration party provides the kinetic energy bandwidth of the Yiyi Road, Yitai County, which provides the quality of service. The ',, and the method are correct and fast response. Please refer to the figure-and the second figure. The method of the present invention provides a passive fiber-optic network dynamic bandwidth configuration method, which can be used for software or hardware. - A detective 1 Ο There is _ Iraq service 吟 extra j; 仃 to view the application service message content, when A is strict, use the service to establish a connection or disconnect the connection control code to detect the upstream and downstream traffic Among them, it is the control code of U's special function, the connection code of the control code is established or the connection is completed. The detector is Budan, rain=, and the coder 'detector 1 immediately controls the control. The bandwidth requirement notification status reporting unit 2 represented by the code, the _ wide § reporting unit 2 responds to the demand in the MP 〇 RT _ ' and then deletes the RT _ 鸠 鸠 3 进行 。 。 。 。 。 。 。 。 There is a queue length report of the shelf 5, the length of the column report block 5 _ way is to return the length of the 8 IEEE 802·1 Ρ 列 column of the first _ road user equipment (1) 4 to the side length Single mosquito Time Quanta coffee TQ, the length of a tq face is 位1 bit) and the length report must contain The amount of the packet is too long (length 4 TQ)|4 Inter-Frame Gap (length 6 TQ), so if there is only one minimum packet (length 64_byte) in a certain column, the length of the column is "" It is 42tq. Therefore, under the normal condition, the length value of 1 TQ~41 TQ will not appear in the length of the column. 200824346 1 towel can be used as the fiber network client by the length range of this system. The special communication pipeline between equipment 4 and (10), that is, when the length of a particular suspension 8 〇 2. lp column is reported to be between 1 TQ and 41 TQ, the dynamic bandwidth configuration unit at 0 LT is based on the correction length. Report the value 1 TQ~4丨TQ respectively, and determine the bandwidth requirement of the fiber network client device 4. For example, (4) the length report value is! TQ g temple, indicating that the use is detected. The arrest rate is about to be established _ _ road telephone service; (4) when the length report value is 2 winds, it means that the valve is a biliary flap when the time is made. The service represented by the different length reports Disambiguation, Eli (10) fiber network client device 4 _ communication is correct. And (10) is receiving a fiber-optic road When the special 剌 length report value is sent by A, the bandwidth can be configured according to the meaning of the record of the special tree column length. [Features and Functions] The present invention provides a consideration service port f Μ When the technology is compared with the technology of the network, the following materials are available: 1. The invention can correctly and quickly respond to the user bandwidth requirements and provide better network service quality. This one can be completed with 1 leg 8G2 拙 县 , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , The present invention is not intended to limit the scope of the invention, and the equivalents of the invention are intended to be included in the scope of the invention. 8 200824346 In summary, this case is not only innovative in terms of technical thinking, but also has the traditional method of using the above-mentioned rural household frequency, & fully conforms to the statutory invention patent requirements of _ sex and progress, _, , 恳, your office approved the invention patent application, in order to invent invention, to the sense of virtue. BRIEF DESCRIPTION OF THE DRAWINGS The following is a detailed description of the present invention and its related aspects, and the technical contents of the present invention and its effects can be further understood; there is __ : ' Figure 1 is a passive consideration of the service quality of the present invention. An internal architecture diagram of a fiber-optic network client device for a fiber-optic network dynamic bandwidth configuration method; and FIG. 2 is a schematic diagram of an IEEE 802.3ah REPORT message. [Main component symbol description] 1 Detector 2 Bandwidth status reporting unit 3 Traffic classification scheduler ^ Optical network client device 5 column length report field

Claims (1)

200824346 t、申請專利範圍: ^考里服務品質之乙太被動光__顏寬配置方法,其 綠逢用個^貞檢☆、來檢視上下行訊務流當中應用服務連 之賴線結束之控制碼,並將其所偵測狀控制碼所代表 頻寬二轉元’由頻寬狀態報告單元將此 :、如申請衷鮮二長度值,再發布rep〇rt訊息。 路動態頻寬配置H項:斤迷之考量服務品質之乙太被動光纖網 訊息當中的特定佇列县"t該頻寬狀態報告單元是利用REP0RT 特殊頻寬需求給二’來傳遞光纖網路用戶端設備的 、如申請專利範圍第丨而項^、見配置單元,以進行動態頻寬配置。 路動態頻寬配置方法,Ί述'^考1服務品質之乙太被動光纖網 、如申請專利範圍第j項,、中該偵檢器可使用軟體偵檢方式。 路動態頻寬配置方法,、发2之考星服務品質之乙太被動光纖網 中該偵撿器可使用硬體偵檢方式。200824346 t, the scope of application for patents: ^ The service quality of the test is too passive __Yan Kuan configuration method, its green every use ^ 贞 check ☆, to view the application service in the uplink and downlink traffic flow The control code and the bandwidth of the detected control code represent the second-transfer element by the bandwidth status reporting unit: if the application is long, the rep〇rt message is issued. The road dynamic bandwidth configuration H item: the consideration of the service quality of the B-passive fiber optic network message in the specific 县列县"t the bandwidth status reporting unit is to use the REP0RT special bandwidth demand to the second 'to transmit the optical network For the user equipment of the road, as in the scope of the patent application, see the configuration unit for dynamic bandwidth configuration. The method of configuring the dynamic bandwidth of the road, the description of the service quality of the E-passive passive optical network, such as the scope of the patent application, j, the detector can use the software detection method. The method of configuring the dynamic bandwidth of the road, and the security of the test star of the test star of the test star can be used in the hardware detection mode.
TW95142366A 2006-11-16 2006-11-16 QoS-guaranteed dynamic bandwidth configuration method of Ethernet passive optical network TW200824346A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI396401B (en) * 2008-12-19 2013-05-11 Chunghwa Telecom Co Ltd Dynamic Bandwidth Assignment Method for Passive Fiber Network
US8849117B2 (en) 2012-10-25 2014-09-30 National Chung Cheng University Session-based dynamic bandwidth allocation applied to passive optical network

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI396401B (en) * 2008-12-19 2013-05-11 Chunghwa Telecom Co Ltd Dynamic Bandwidth Assignment Method for Passive Fiber Network
US8849117B2 (en) 2012-10-25 2014-09-30 National Chung Cheng University Session-based dynamic bandwidth allocation applied to passive optical network

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