TWI309955B - Bi-directional and reverse directional resource reservation setup protocol - Google Patents
Bi-directional and reverse directional resource reservation setup protocol Download PDFInfo
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- TWI309955B TWI309955B TW94138328A TW94138328A TWI309955B TW I309955 B TWI309955 B TW I309955B TW 94138328 A TW94138328 A TW 94138328A TW 94138328 A TW94138328 A TW 94138328A TW I309955 B TWI309955 B TW I309955B
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- 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]
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- 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
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- 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
- H04L47/82—Miscellaneous aspects
- H04L47/824—Applicable to portable or mobile terminals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/16—Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/16—Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
- H04L69/161—Implementation details of TCP/IP or UDP/IP stack architecture; Specification of modified or new header fields
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/22—Parsing or analysis of headers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/26—Resource reservation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/24—Accounting or billing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
- H04W8/04—Registration at HLR or HSS [Home Subscriber Server]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
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- Business, Economics & Management (AREA)
- Accounting & Taxation (AREA)
- Databases & Information Systems (AREA)
- Mobile Radio Communication Systems (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Communication Control (AREA)
Description
1309955 九、發明說明: 【發明所屬之技術領域】 發明關於以無線封包為基礎之通訊。更特定·^太 毛明係關於建立以無線封包為基礎之通訊。更特疋§之’本 【先前技術】 達到必要的服務品 :以路交換網路—Q樣以 礎(如以網際網路ϋ^ 1治中簡化的以無線封包為基 问的效能要求,如建立時間 期具有不 質(QOS)。使用者A 生、元整性及服務品 20,及使用者B #示為equipment;卿 並藉由封句;^ 4UE 22。使用者A使用其行動網路24 用其行動網路26 if 2送及接收通訊。相似地,使用者丑使 圖f 封包網路28而發送及接收通訊。 協定者A發送—「資源保留建立 路由器视ϋ息0以建立該交談期。藉由各種網路 使用者Β。‘路^由1^訊息30發送至 用通杏的次、S你,°。决亥父炚期疋否可用該等資源。若可 下一〆原:’便會更新該RSVP PATH訊息3〇並將其傳送至 使用老A° ^不可用適當的資源,便會將一錯誤訊息發送回 去R 使用者B接收該RSVP PATH訊息3〇時,使用
留(而)」訊息%以保留整個網 RESV#自的貝源而予以回應。藉由該等網路發送該RSVP 的ii^l§。二ϊ ί,會配置資源以支援從使用者A至使用者B °右成功配置了該等資源,那麼使用者Α便會接收該 1309955 RSVP RESV訊息32。使用者A將一確認(RSVp c〇nfm^訊息 34發送到使用者b以確認接收該Rsvp 訊息%。 為配置使用者B至使用者A的通訊之資源,使用者㈣ 自各種網路路由器(路由器i至路由器N)將一 RSVp pATH訊 發送至使用者a。當使用者a接收該RSVp pATH訊息 〇 4,使用者A藉由發送一 rsVPRESV訊息32以保留整個 。罔路24、26、28的資源而予以回應。當藉由該等網路24、26、 =發送該RSVP RESV訊息32時,會配置資源以支援從使用 B至使用者A的通訊。若成功配置了該等資源,那麼使用 自B便會接收該resv訊息32。使用者b將一 確認訊 心34發送至使用者人以確認接收該1^¥1)1^§¥訊息34。 、、,為保持該等資源配置,會藉由網路24、26、28週期性地 么送更新PATH」訊息36。使用者a藉由該等網路24、26 土 28將、,更,PATH」訊息36發送至使用者b以保持供使用 A傳送的資源,使用者b藉由網路24、%及將「更新 ^•TH」訊息' 36發送至使用者a以保持供使用者B傳送的資 f。若未發送「更新PATH」訊息、36,該等保留狀態會终止、, 攸而釋放該等已配置的資源。 、 ^达所有該等訊息以配置資源會耗用有價值的網路資 *此,吾人希望使用替代的方法建立無線網際網路交談期。 【發明内容】 t Β ί fl月係關於在至少兩個使用者間建立一無線封包交談 、其中一個使用者為無線使用者。該至少兩個使用者中 至;=5,SW)PATH」訊息發送 的1f,該保留資源只用以從該第—使用者向該第二 第-使用者向該第-使用者傳送,或只用以從該第二使用者向 1309955 :开自^^、、, 。該第二使用者將一「RSVP保留(RESV)」 至該第一使用者以作為接收該RSVPPATI^息的回 應。使用該等保留的資源即可進行傳送。 【實施方式】
t為雙向資祕留建立協定。使用者A期望與使用者B 又向以封包為基礎(如網際網路)之交談期。該交談期的要 Γΐ70率及相關㈣,錄據絲的協商。使用者A及B 伟田:、’良f用者’或其中—個為無線使用者,而另-個為有線 6 二為啟動交談期,使用者A(發起端使用者)會發送一雙 ^本Λ PATH訊息38。該雙向RSVP PATH訊息38包含從使 ㉞^使用者B及從制者B向使用者A傳送的通訊之資 〜、-己賢訊。該等通訊的較佳格式會結合圖8、9、1〇、U及 以更詳細地說明。雖社要係結合雙向通訊來說明本發 月’ 是本發明可延伸至任何多方通訊,如三方電話會議。 藉由該等網路的各種路由器(路由器【至路由器风將該雙 向RSVP PATH訊息38發送至使用者B。使用者_由該等 網路24、26、28發送雙向RSVPRESV訊息4()以配置兩個使 用者的貧源。一較佳雙向RSVPRESV訊息4〇會結合圖8、13、 14及15予以更詳細地說明。一旦傳送該雙向RSVp 訊 心40 ’母個網路會配置資源以供使用者A與使用者B傳送。 =旦接收該雙向RSVPRESV訊息40,其表示已成功配置該等 、貧源,使用者A會藉由該等網路將雙向Rsvp確認訊息犯發 送至使用者B。接收該雙向RSVP確認訊息42後,使用者a 及B間的雙向通訊便啟動了。例如,為計費目的,最好係由 使用者A貞責該交職。賴發起端使用者貞責駐 簡化計費程序。 為保持該等資源配置,會藉由該等網路週期性地將 「更新PATH」訊息44從使用者a發送至使用者B。傳送該
7 1309955 雙向「更新PATH」訊息44後,該等網路便會在兩個方 持該等資源配置。 使用該等雙向訊息可減少建立該交談期所需的費用。尸 一個使用者發送雙向訊息,而不是使用者入及使用者B ^ 送 RSVP PATH 30、RSVP RESV 32 及 RSVP 確認 34 訊息。雖 然藉由減少訊息的數量,每個該等訊息載送的資訊通g合辦 加,但是可減少整個網路的負擔。此外,該雙向訊息可避 叫狀,,其中會在一個方向建立該等資源,而在另一方向不建 立該等資源。減少的負擔減輕了對廣播資源的衝擊,並改 網路效能。 圖4為反向資源保留建立協定。使用者A期望建立 網路交談期,其中只有使用者B傳送資訊。使用者八及3^ 是無線使用者,或其中一個是無線使用者,而另一個則為有線 使用者。為啟動该交談期,使用者A(發起端使用者)會發送一 反向RSVP PATH訊息46。該反向RSVP paTH訊息46包含供 使用者B傳送至使用者A的資源配置資訊。 ’、 藉由該等網路的各種路由器(路由器i至路由器N)將該反 向RSVP PATH訊息46發送至使用者b。使用者B發送反向 RSVP RESV訊息48以配置用以傳送的資源。接收該反向 RSVPRESV訊息48後,使用者a會藉由該等網路24、如及 28將反向RSVP確認訊息5〇發送至使用者B。接收該反向 RSV^確認訊息50後,使用者B便開始將資料傳送至使用者 A。最好係由使用者a(雖然使用者a不傳送任何實質性 負責該交談期。 、 、° 圖5為車乂L RSVP §孔息之簡化圖,其通常說明該Rsvp PATH、RSVP RESV及RSVP確認訊息。該較佳訊息具有一正 才不頭(IPheader) ’其具有-方向指示器(前向、反向及雙向)及具 有物件581至观。較佳地,該訊息係根據賦22〇5並與^ 反向相容,該方向指示器是—四位元指示器。在肌22〇5中, 1309955 該方向指示器541的四個位元之賦予值為「0000」以表示前向 (發起端使用者只發送資訊)。圖6為較佳前向RSVP訊息,其 只包含前向「(卩〇11^1〇))」的物件58?1至58?1^。在11?€2205 中,每個使用者(使用者A及B中的每個)均為一發起端使用 者。該方向指示器542的值「0011」表示該反向(該發起端使 用者只接收資訊)。圖7為較佳反向RSVP訊息。在圖7中, 所有的物件58R1至58RN都是反向「(REVERSE)」的。該方 向才曰示益543的值「1111」表示使用兩個方向(發起端使用者 可接收及發送)。圖8為較佳雙向RSVP訊息。在圖8中,顯 | 示了「前向」58F1至58FN及「反向」58R1至58RN物件。 圖9為與RFC 2205相容的較佳雙向RSVP PATH訊息。 該雙向RSVP PATH訊息具有以下各攔:「〈Path Message〉」、 「〈Common Header〉」、「〈INTEGRITY〉」、「〈SESSION〉」、 「<RSVP_HOP>」、「<TIME_VALUES>」、 「<POLICY_DATA>」、「〈sender description〉」、「〈sender descriptor〉」、「<SENDER_ TEMPLATE〉」、 「<SENDER_TSPEC>」及「〈ADSPEC〉」。 圖10為一「<SENDER_TSPEC>」之說明。沿著該圖頂部 的號碼表示位元位置,即位元位置0至31。如圖10所示的一 > 雙向RSVP PATH訊息,其包含「前向」及「反向」資訊。 圖11及12為「<ADSPEC>」攔的兩種狀態。圖11說明 了一 PATH Default AD SPEC 及圖 12 說明了 PATH Guaranteed Service ADSPEC。如該等圖中所示,兩個ADSPEC都包含前 向及反向資訊。 圖13為與1〇^2205相容的較佳雙向尺8\^1£8¥訊息。 該雙向RSVP RESV訊息具有以下的欄:「<Resv Message〉」、 「〈Common Header〉」、「〈INTEGRITY〉」、「〈SESSION〉」、 「<RSVP_HOP>」、「<TIME_VALUES>」、「<RESV_ CONFIRM〉」、「〈SCOPE〉」、「<P〇LICY_DATA>」、 1309955 「〈STYLE〉」、「〈flow descriptor list〉」及「〈flow descriptor〉」〇 該方向指示器包含於該「<fl〇wdescriptorlist>」中。圖14 及 15 為該「〈flow descriptor list〉」之較佳 FLOWSPEC。圖 14 為「保證服務(Guaranteed service)」之 FLOWSPEC,圖 15 為 保證服務服務延伸格式之FLOWSPEC。如圖14及15所示的 雙向RSVPRESV訊息,前向及反向資訊都藉由該訊息載送。 圖16為在雙向、反向及前向保留建立協定訊息中使用的 無線使用者設備之一方塊圖。一 RSVP訊息產生器72產生該 RSVPPATH訊息(包含雙向RSVP及反向RSVPPATH訊息)、 RSVPRESV訊息(包含雙向RSVP及反向RSVPRESV訊息)、 RS VP確認訊息(包含雙向rsVP及反向RSVP確認訊息)及「更 新PATH」訊息(包含雙向及反向「更新PATH」訊息)。一 Rsvp 接收器用以接收各種RSVP訊息。如前所述,該ue發送或接 收的訊息係根據該UE是否為該發起端使用者或非發起端使用 者。 、、使用一交談期資料發送器76及一交談期資料接收器78而 叙送及接收父談期資料。一天線7〇或天線陣列用以發送及 收整個廣播介面的各種訊息及通訊。
圖式簡單說明】 圖1為簡化的基於無線封包之通訊系統。 圖2為建立一無線封包交談期。 ^,使輕向保留建域定建立—無線封包交談期 ΐ s Ϊ使留建立協定建立—無線封包交談期 圖為一較佳保留建立訊息之簡化圖。 — f佳前向保留建立協定訊息之簡化圖。 佳反向保留建立協賴息之簡化圖。 佳雙向保留建立協定訊息之簡化圖。 θ為車乂佳雙向保留建立協^ρΑΤΗ訊息。 ο 10 1309955 圖 10 為圖 9 的 SENDER_TSPEC。 圖11及12為圖9的ADSPEC。 圖13為一較佳雙向「保留建立協定保留」訊息。 圖14及15為圖13的雙向「保留建立協定保留」訊息之 FLOWSPEC。 圖16為一無線使用者設備之簡化方塊圖。 【主要元件符號說明】 20、22 :使用者設備 24、26 :行動網路 28 :封包網路 30 : RSVPPATH 訊息 32 : RSVPRESV 訊息 34 : RSVP確認訊息 36 :「更新PATH」訊息 38 :雙向RSVPPATH訊息 40 :雙向RSVPRESV訊息 42 :雙向RSVP確認訊息 44 :雙向「更新PATH」訊息 46 :反向RSVPPATH訊息 48 :反向RSVPRESV訊息 50 :反向RSVP確認訊息 52 :反向「更新PATH」訊息 54 :方向指示器 56 : IP標頭 58Γ58Ν :物件 54::前向的方向指示器 542 :反向的方向指示器 543 :雙向的方向指示器
11 1309955 58ρι~58ρΝ .物件(前向) 58ri_58rn .物件(反向) 70 :天線 72 : RSVP訊息產生器 74 : RSVP訊息接收器 76 :交談期資料發送器 78 :交談期資料接收器
Claims (1)
1309955 十、申請專利範圍: mjiJd Λ ·!-. ^厂觀以啟動-以封包為基礎之交談期之使用者設備,包 括· 一第一保留建立協定(RSVP)訊息產生器及一第一 RSVp 息接收器,該第一 RSVP訊息產生器用以發送—RsvppATH ^ 息,其中該RSWPATH訊息包含-方向指示符,該方向指示符 指示應作保留以供該使用者設備只傳送、只接收或既傳送以及 接收;以及
該第一 RSVP訊息接收器,配置以從一第二使用者設備接 收一 RSVP保留(RESV)訊息,該RSVP保留訊息指示由於該 RSVP PATH訊息而已作了保留。 2.如申請專利範圍第1項之使用者設備,其中該第—Rsvp訊 息產生器傳送一 RSVP確認訊息,該RSVP確認訊息指示接收 至該第二使用者設備的該RSVPRESV訊息。
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US33630401P | 2001-11-02 | 2001-11-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW200635398A TW200635398A (en) | 2006-10-01 |
| TWI309955B true TWI309955B (en) | 2009-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW98113254A TW201006267A (en) | 2001-11-02 | 2002-11-01 | Bi-directional and reverse directional resource reservation setup protocol |
| TW92127584A TWI272026B (en) | 2001-11-02 | 2002-11-01 | Bi-directional and reverse directional resource reservation setup protocol |
| TW95147532A TWI334737B (en) | 2001-11-02 | 2002-11-01 | Bi-directional and reverse directional resource reservation setup protocol |
| TW94138328A TWI309955B (en) | 2001-11-02 | 2002-11-01 | Bi-directional and reverse directional resource reservation setup protocol |
| TW91132385A TW582155B (en) | 2001-11-02 | 2002-11-01 | Bi-directional and reverse directional resource reservation setup protocol |
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| TW98113254A TW201006267A (en) | 2001-11-02 | 2002-11-01 | Bi-directional and reverse directional resource reservation setup protocol |
| TW92127584A TWI272026B (en) | 2001-11-02 | 2002-11-01 | Bi-directional and reverse directional resource reservation setup protocol |
| TW95147532A TWI334737B (en) | 2001-11-02 | 2002-11-01 | Bi-directional and reverse directional resource reservation setup protocol |
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