TWI552634B - 完成直接傳輸層連接性的伺服器與使用者設備與其電腦程式產品 - Google Patents
完成直接傳輸層連接性的伺服器與使用者設備與其電腦程式產品 Download PDFInfo
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Description
本發明係關於直接傳輸層連接性之建立。
網際網路協定(IP)版本4(IPv4)是用於在不同種類的網路上的資料通訊之網際網路協定的第四版。主要地,IPv4用以路由安排網際網路上的訊務以及用以提供網際網路定址架構,用於藉由提供用於各裝置之識別(ID)而建立網路賦能裝置之間的連接。
IPv4使用32位元(4位元組)IP位址給予各裝置ID。因此,IP位址空間的數目限於4,294,967,296可能的獨特IPv4位址。隨著網路賦能裝置的數目的增加,可供利用的獨特IP位址之數目幾乎用盡。此外,某些IPv4位址已保留給例如私有網路、多播IPv4位址、及特別組織等特別用途,因而進一步降低可供利用的獨特IP位址之數目。
私有網路是使用遵守例如用於網際網路協定版本4(IPv4)的RFC 1918等標準之私有IP位址以辨識網路內
的裝置之網路。當全球可路由位址未被要求或不可取得時,私有IP位址可以用於住家、辦公室、及企業區域網路(LAN)。由於私有IPv4位址不是全球獨特的,所以,私有IPv4位址是私有網路之外的裝置無法全球達到的。結果,除非具有私有IPv4位址的裝置是在相同的私有網路之內,否則這些裝置之間是不可能有直接IP連接性。此外,當具有公用IPv4位址的裝置在限制存取的防火牆之後時,直接IP連接性在這些裝置之間是不可能的。
從配合附圖之上述詳細說明,可清楚知道揭示的特徵及優點,詳細說明及附圖一起以舉例方式顯示揭示的特徵;其中,圖1顯示根據實例之用於在使用網際網路協定(IP)版本4(IPv4)的眾多裝置之間建立直接傳輸層連接性的架構;圖2顯示根據實例之用於在使用者設備(UE)A與UE B之間建立直接網際網路協定(IP)連接的不同狀態架構;圖3顯示根據實例之用於建立逆向連接的架構;圖4顯示根據實例之可操作以協助建立第一UE與第二UE之間的同級(P2P)連接之鄰近服務(ProSe)伺服器的電腦電路的功能;圖5顯示根據實例之可操作以建立與選取的UE之直
接傳輸層連接的UE之電腦電路的功能;圖6顯示根據實例之包含儲存有指令之非暫時儲存媒體的產品,這些指令適於執行用於實施促成在第一UE與第二UE之間建立P2P連接的方法;及圖7顯示根據實例之UE的圖示。
現在將說明顯示之舉例說明的實施例,於此將使用特定語言來說明這些實施例。然而,須瞭解並非要藉此限定本發明的範圍。
在揭示及說明本發明之前,須瞭解本發明不受限於此處揭示之特定結構、處理步驟、或材料,而是延伸至習於相關技藝的一般技術者所瞭解的其均等事物。也應瞭解,此處使用的術語僅是為了說明特定實例,而非要成為限定。在不同圖中相同的代號代表相同的元件。在流程圖及處理中提供的號數是用於使說明的步驟及操作清楚而非一定表示特定的次序或順序。
使用網際網路協定版本4(IPv4)的裝置通常是被給予私有的IP位址。傳統上,具有私有IP位址的裝置無法由其它裝置經由網際網路直接可達。因此,為了在具有私有IP位址的裝置與另一裝置之間建立直接IP連接性,具有私有IP位址的裝置必須首先傳送IP級請求給其它裝置,以打開其它裝置可送回IP級響應的傳輸連接。但是,傳統上,當二個同級具有非可路由的私有IP位址時,由於
初始IP級請求無法被遞送,所以,無法建立直接IP連接性。
當裝置建立與未具有公用可路由IP位址(亦即,由防火牆阻隔的公用IP位址或私有IP位址)的裝置之直接IP連接性時,可以使用直接IP連接性設計。在一實施例中,用於IPv4的直接IP連接性設計使用例如裝置對裝置(D2D)伺服器等鄰近服務(ProSe)伺服器,以建立直接IP連接性。在一實施例中,ProSe伺服器幫助裝置探索其它裝置,建立D2D連接,以及維持D2D服務連續性。
圖1顯示在使用IPv4的眾多裝置之間建立直接傳輸層連接性的架構。在一實施例中,如區塊110中所示般,UE A對鄰近服務(ProSe)伺服器A(亦即,與UE A通訊的ProSe伺服器)註冊應用識別(ID)及裝置ID。在另一實施例中,UE A經由在UE A上運轉的被選取的應用之圖形使用者介面而接收使用者輸入,以初始對ProSe伺服器A註用應用ID及裝置ID。在另一實施例中,UE A經由選取的應用之圖形使用者介面而接收使用者輸人以對P2P應用伺服器註冊同級間(P2P)應用ID及ProSe伺服器ID,以將提供的P2P內容廣告給其它裝置。在另一實施例中,UE A經由選取的應用之圖形使用者介面而接收使用者輸入,以指派用於提供的內容之接取許可(許可可隨著裝置或裝置型式而變)。在另一實施例中,如區塊120中所示般,UE A向UE B註冊的P2P應用伺服器請求UE B的ProSe伺服器ID,以使用選取的應用而在傳輸層上
與UE B直接連接。
在一實施例中,如區塊130中所示,當UE B的接取許可允許UE A連接至UE B時,P2P應用伺服器將UE B的ProSe伺服器ID傳送給UE A。在另一實施例中,如區塊140中所示般,UE A傳送促成訊息給ProSe伺服器A,請求ProSe伺服器A促成建立與經由使用P2P應用層ID及UE B的ProSe伺服器ID而辨識的UE B之直接傳輸層連接。在另一實施例中,促成訊息包含UE A的IP位址。在另一實施例中,如區塊150a中所示般,當UE B由與UE A相同的ProSe伺服器(亦即,ProSe伺服器A)管理時,ProSe伺服器A將用於UE B的應用埠及IP位址的請求直接送給UE B。在另一實施例中,如區塊150b中所示般,假使UE B由ProSe伺服器A以外的ProSe伺服器管理時,ProSe伺服器A經由UE B的ProSe伺服器(即ProSe伺服器B)而傳送用於UE B的應用埠及IP位址的請求。在另一實施例中,如區塊160中所示般,ProSe伺服器A決定UE A的IP位址的可達到狀態及/或UE B的IP位址之可達到狀態。在另一實施例中,如區塊170中所示般,在UE A與UE B之間建立直接傳輸層連接性。
圖2顯示根據UE A的IP位址的可達到狀態及/或UE B的IP位址之可達到狀態,在使用者設備(UE)A與UE B之間建立直接網際網路協定(IP)連接的不同架構。在狀態1中,UE B具有全球可達到IP位址。此外,如區塊
210中所示般,在狀態1中,UE A的ProSe伺服器(ProSe伺服器A)將UE B的應用埠及IP位址遞送給UE A。在一實施例中,如區塊220中所示般,UE A使用UE B的應用埠及IP位址,以建立與UE B的直接傳輸層連接性或IP連接性。
在狀態2中,UE B不具有全球可達到IP位址(例如,UE B在NAT或防火牆之後),但是UE A具有全球可達到IP位址。如區塊230中所示般,在狀態2中,在UE A與UE B之間建立逆向連接。圖3又提供關於建立逆向連接的細節。
在狀態3中,既不是UE B也不是UE A具有全球可達到的IP位址。如區塊240中所示般,在一實施例中,ProSe伺服器A向UE A的防火牆請求用於UE A之全球可達到的IP位址及埠號碼。在另一實施例中,如狀態3a中所示般,當UE B由ProSe伺服器A管理時,ProSe伺服器A將IP位址及埠號碼直接遞送給UE B。在另一實施例中,如狀態3b中所示般,當UE B不是由ProSe伺服器A管理時,ProSe伺服器A將IP位址及埠號碼經由UE B的ProSe伺服器(亦即,ProSe伺服器B)間接遞送給UE B。在另一實施例中,如區塊250中所示般,UE B接著使用該IP位址及埠號碼以在選取的應用上建立與UE A的IP連接性。
在另一實施例中,如狀態3c中所示般,當UE B由ProSe伺服器A管理時,ProSe伺服器A將用於UE B的
埠號碼及全球可達的IP位址之請求,直接傳送給UE B的防火牆(UE B防火牆)及埠號碼直接遞送給UE B。在另一實施例中,如狀態3d中所示般,當UE B不是由ProSe伺服器A管理時,ProSe伺服器A將用於UE B的埠號碼及全球可達的IP位址之請求,經由ProSe伺服器B而間接地傳送給UE B防火牆。在另一實施例中,如區塊260中所示般,ProSe伺服器A將用於UE B的埠號碼及全球可達的IP位址遞送給UE A。在另一實施例中,如區塊270中所示般,UE A接著使用全球可達的IP位址及埠值以在選取的應用上建立與UE B的IP連接性。在另一實施例中,當連接終止時,防火牆規則被移除。
圖3顯示用於建立如圖2中所探討的逆向連接之架構。在一實施例中,如區塊310中所示般,ProSe伺服器A向UE A表示將從建立始於UE B的逆向連接,以繞過UE B的NAT及/或防火牆。在另一實施例中,如區塊320中所示般,當UE A接收逆向連接標示時,UE A進入聆聽模式。在另一實施例中,如區塊330中所示般,當UE A接收逆向連接標示時,UE A將指定的UE A的應用的埠號碼報告給ProSe伺服器A。在另一實施例中,ProSe伺服器A將UE A的應用的埠號碼遞送給UE B。在一實例中,如區塊340中所示般,ProSe伺服器A將UE A的應用的埠號碼直接遞送給UE B。在另一實例中,如區塊350中所示般,ProSe伺服器A使用ProSe伺服器B,將UE A的應用的埠號碼間接地遞送給UE B。在另一實施例
中,如區塊360中所示般,ProSe伺服器B將UE A的應用的埠號碼遞送給UE B。在另一實施例中,如區塊370中所示般,當UE B接收UE A的應用的埠號碼時,使用UE A的應用的埠號碼,UE B的應用建立與UE A的逆向連接。在一實施例中,逆向連接是能由UE A的應用及/或UE B的應用使用之雙向插座。
圖4採用流程圖400,以顯示設有ProSe伺服器之電腦電路的一實施例之功能,可操作以促成第一使用者設備(UE)與第二UE之間的直接傳輸層連接性的建立。功能可實施成方法,或是功能可執行為機器上的指令,其中,指令包含在至少一電腦可讀取的媒體或一非暫時的機器可讀取的儲存媒體上。如區塊410中所示,電腦電路配置成從第一UE接收由第一UE使用的網際網路協定(IP)位址,以建立與第二UE的直接傳輸層連接性。如區塊420中所示,電腦電路又配置成請求由第二UE使用以建立直接傳輸層連接性的網際網路協定(IP)位址以及用於由第二UE使用的應用的應用埠。如區塊430中所示,電腦電路又配置成決定第一UE的IP位址或第二UE的IP位址的可達狀態。如區塊440中所示,電腦電路又配置成根據第一UE的IP位址或第二UE的IP位址的可達狀態以促成建立第一UE與第二UE之間的直接傳輸層連接性。
在一實施例中,電腦電路又配置成從第一UE接收在第一UE與第二UE之間建立直接傳輸層連接性的促成請求。在另一實施例中,電腦電路又配置成從第一UE接收
用於同級間(P2P)應用的使用者應用識別(ID)及第一UE的裝置ID。在另一實施例中,電腦電路又配置成使用由第二UE使用的ProSe伺服器的ProSe伺服器ID及使用者應用識別(ID)以識別第二UE。
在一實施例中,用於第一UE的IP位址或是用於第二UE之IP位址的可達狀態包含全球可達的IP位址狀態及非全球可達的IP位址狀態。在另一實施例中,由第一UE或第二UE藉由使用網路位址轉譯(NAT)或是防火牆,造成非全球可達的IP位址狀態。在另一實施例中,電腦電路又配置成當第二UE的可達狀態是全球可達的IP位址狀態時,將第二UE的IP位址及應用埠傳送給第一UE。在另一實施例中,電腦電路又配置成決定第一UE及第二UE支援逆向連接程序,以及當第二UE的可達狀態是非全球可達IP位址狀態及第一UE的可達狀態是全球可達IP位址狀態時,幫助第一UE及第二UE建立第一UE與第二UE之間的逆向連接性。
在一實施例中,電腦電路又配置成藉由下述以幫助第一UE及第二UE建立逆向連接性:向第一UE標示將建立用於應用之始於第二UE的逆向連接性,以繞過第二UE的防火牆;將用於第一UE的應用之埠號碼及IP位址遞送給第二UE;以及,導引第二UE以與第一UE建立用於應用之逆向連接性。在另一實施例中,電腦電路又配置成將第一UE的埠號碼及IP位址直接地遞送至第二UE或是使用第二UE的ProSe伺服器以將第一UE的埠號碼及
IP位址遞送至第二UE。在另一實施例中,在第一UE與第二UE之間的逆向連接性是雙向插座。在一實施例中,電腦電路又配置成當用於第一UE與第二UE之間的應用之直接傳輸層連接性終止時,將防火牆繞道從第二UE移除。
在一實施例中,電腦電路又配置成當第二UE的可達狀態是非全球可達的IP位址狀態以及第一UE的可達狀態是非全球可達的IP位址狀態時,當第二UE由ProSe伺服器管理時,向第二UE直接請求用於第二UE的埠號碼及全球可達的IP位址。在一實施例中,電腦電路又配置成當第二UE的可達狀態是非全球可達的IP位址狀態以及第一UE的可達狀態是非全球可達的IP位址狀態時,使用與第二UE相關連的ProSe伺服器相關的ProSe伺服器,間接地請求用於第二UE的埠號碼及全球可達IP位址。在另一實施例中,電腦電路又配置成遞送全球可達的IP位址及埠號碼給第一UE。
在一實施例中,電腦電路又配置成當第二UE由ProSe伺服器管理時,直接請求與第二UE相關連的防火牆提供用於第二UE的全球可達IP位址。在一實施例中,電腦電路又配置成當第二UE由ProSe伺服器管理時,經由第二UE的ProSe伺服器間接地請求與第二UE相關連的防火牆提供用於第二UE的全球可達的IP位址。在另一實施例中,電腦電路又配置成直接請求與第二UE相關連的防火牆提供埠,經由該埠,第一UE為了第
一UE與第二UE之間的直接傳輸連接而接取第二UE。在一實施例中,電腦電路又配置成經由第二UE的ProSe伺服器而間接請求與第二UE相關連的防火牆提供埠,經由該埠,第一UE為了第一UE與第二UE之間的直接傳輸連接而接取第二UE。
在一實施例中,電腦電路又配置成輔助第一UE及第二UE,使用與第二UE相關連的防火牆提供的全球可達IP位址及埠以建立直接傳輸連接性。在另一實施例中,電腦電路又配置成直接向與第二UE相關連的防火牆請求用於第二UE之全球可達的IP位址及埠、或是向第二UE的ProSe伺服器請求用於第二UE的埠及全球可達的IP位址。在一實施例中,第二UE的ProSe伺服器將用於第二UE的埠及全球可達的IP位址之請求遞送至第二UE的防火牆。在另一實施例中,電腦電路又配置成向與第二UE通訊的ProSe伺服器請求或是直接地向第二UE請求用於在第二UE上運轉的應用之應用埠及第二UE的IP位址。
圖5使用流程圖500以顯示可操作以建立與選取的UE之直接傳輸層連接的UE的電腦電路的一實施例的功能。功能可實施成方法或是執行成機器上的指令,其中,指令包含在至少一電腦可讀取的媒體上或一非暫時的機器可讀取的儲存媒體。如區塊510所示,電腦電路配置成傳送第一UE的網際網路協定(IP)位址給鄰近服務(ProSe)伺服器。如區塊520所示,電腦電路又配置成向應用伺服
器請求選取的UE之ProSe伺服器ID及應用識別(ID)(例如P2P應用ID)。如區塊530所示,電腦電路又配置成從應用伺服器接收應用ID及ProSe伺服器ID。如區塊540所示,電腦電路又配置成傳送促成訊息給與UE通訊的ProSe伺服器,其中,促成訊息包含促成UE與選取的UE之間的直接傳輸層連接性之請求。
在一實施例中,電腦電路又配置成傳送UE的裝置ID及用於同級間(P2P)應用的應用識別(ID)給ProSe伺服器。在另一實施例中,電腦電路又配置成向同級間(P2P)應用伺服器註冊應用ID及ProSe伺服器ID(例如當UE配置成使用P2P應用伺服器以提供內容或服務時)。在另一實施例中,電腦電路又配置成將用於公佈在同級間應用伺服器之供應的內容或服務之接取許可程度通訊至同級間(P2P)應用伺服器。在一實施例中,伺服器接取許可程度標示哪些UE或哪些型式的UE具有內容/服務的存取權。在另一實施例中,促成訊息包含UE的網際網路協定(IP)位址。
在一實施例中,用於第一UE的IP位址或用於第二UE的IP位址具有可達狀態,其中,可達狀態包含全球可達的IP位址狀態及非全球可達的IP位址狀態。在另一實施例中,電腦電路又配置成當選取的UE的可達狀態是非全球可達的IP位址狀態及UE的可達狀態是全球可達的IP位址狀態時,在UE與選取的UE之間的逆直接傳輸層連接上從選取的UE接收資訊。在另一實施例中,選取的
UE配置成接收接觸UE以建立逆向連接的請求。在另一實施例中,電腦電路又配置成當選取的UE的可達狀態是非全球可達的IP位址狀態及UE的可達狀態是非全球可達的IP位址狀態時,從ProSe伺服器接收用於選取的UE之全球可達的IP位址。
另一實例提供產品的功能600,包含儲存有指令之非暫時的儲存媒體,如圖6中的流程圖所示般,指令適於用以執行成實施促成在第一使用者設備(UE)與第二UE之間建立同級間(P2P)連接的方法。產品的指令可實施成方法或是機器上的指令,其中,指令包含於至少一電腦可讀取的媒體上或是一非暫時機器可讀取的儲存媒體上。如區塊610中所示般,方法包括在鄰近服務(ProSe)伺服器請求由第二UE使用以建立直接傳輸層連接性的網際網路協定(IP)位址以及用於由第二UE使用的應用之應用埠。如區塊620中所示,方法又包括決定第一UE的IP位址或第二UE的IP位址之可達狀態。如區塊630所示,方法又包括根據第一UE的IP位址或第二UE的IP位址之可達狀態而促成建立第一UE與第二UE之間的直接傳輸層連接性。
在一實施例中,方法又包括從第一UE接收由第一UE使用的IP位址以建立與第二UE的直接傳輸層連接性。在另一實施例中,用於第一UE的IP位址或是用於第二UE的IP位址的可達狀態均包含全球可達的IP位址狀態及非全球可達的IP位址狀態。在另一實施例中,方
法又決定第一及第二UE支援逆向連接程序,及當第二UE的可達狀態是非全球可達的IP位址狀態及第一UE的可達狀態是全球可達的IP位址狀態時,促成建立第一UE與第二UE之間的逆向連接。在另一實施例中,方法又包括當第二UE的可達狀態是非全球可達的IP位址狀態及第一UE的可達狀態是非全球可達的IP位址狀態時請求用於第二UE之全球可達的IP位址,以及遞送全球可達的IP位址給第一UE。在另一實施例中,方法又包括當第一UE及第二UE的可達狀態是非全球可達的IP位址狀態時請求用於第一UE之全球可達的IP位址,以及遞送全球可達的IP位址給第二UE以用於建立逆向傳輸層連接。
圖7提供無線裝置的實例顯示,舉例而言,無線裝置可為使用者設備(UE)、行動台(MS)、行動無線裝置、行動通訊裝置、平板電腦、手機、或其它型式的無線裝置。無線裝置包含一或更多天線,配置成與節點或傳輸站通訊,例如基地台(BS)、演進節點B(eNodeB)、基頻帶單元(BBU)、遠端無線電頭(RRH)、遠端無線電設備(RRE)、中繼站(RS)、無線電設備(RE)、遠端無線電單元(RRU)、中央處理模組(CPM)、或是其它型式的無線廣域網路(WWAN)接取點。無線裝置配置成使用包含3GPP LTE、WiMAX、高速分封接取(HSPA)、藍芽、及WiFi之至少一無線通訊標準以通訊。無線裝置以分別的天線用於各無線通訊標準或是以共用的天線用於多個無線
通訊標準來通訊。無線裝置可在無線區域網路(WLAN)、無線個人區域網路(WPAN)、及/或WWAN中通訊。
圖7也顯示用於無線裝置音頻輸入及輸出的麥克風及一或更多揚音器的例示。顯示裝置可為液晶顯示器(LCD)螢幕、或是例如有機發光二極體(OLED)顯示器等其它型式的顯示螢幕。顯示螢幕可配置成觸控式螢幕。觸控式螢幕使用電容式、電阻式、或另一型式的觸控螢幕技術。應用處理器及圖形處理器可耦合至內部記憶體以提供處理及顯示能力。也可使用非依電性記憶體埠以提供資料輸入/輸出選項給使用者。非依電性記憶體埠也可用以擴充無線裝置的記憶體能力。鍵盤可以與無線裝置整合或是無線地連接至無線裝置以提供增加的使用者輸入。使用觸控螢幕也可提供虛擬鍵盤。
各式各樣的技術、或某些態樣或其部份可以採取具體實施於例如軟式磁碟、CD-ROM、硬碟機、非暫時的電腦可讀取的儲存媒體、或是任何其它機器可讀取的儲存媒體等實體媒體中的程式碼的型式(亦即,指令),其中,當程式碼由例如電腦等機器載入及執行時,機器變成用於實施各式各樣技術的設備。在程式碼在可編程電腦上執行的情形中,電腦裝置包含處理器、可由處理器讀取的儲存媒體(包含依電性及非依電性記憶體及/或儲存元件)、至少一輸入裝置、及至少一輸出裝置。依電性及非依電性記憶體及/或儲存元件可為RAM、EPROM、快閃記憶體機、光學儲存機、磁碟機、或其它用於儲存電子資料的媒體。
基地台及行動站也包含收發器模組、計數器模組、處理模組、及/或時計模組或計時器模組。可實施或利用此處所述的各式技術之一或更多程式可以使用應用程式介面(API)、可重複使用控制、等等。這些程式可以以高階程序或物件導向程式語言實施以與電腦系統通訊。但是,假使需要時,程式可以以組合語言或機器語言來實施。在任何情形中,語言可以是編譯的或解譯的語言,以及與硬體實施相結合。
應瞭解本說明書中所述的很多功能單元標示為模組,以便更特別地強調它們的實施獨立性。舉例而言,模組可以實施成硬體電路,包括客製化VLSI電路或閘陣列、例如邏輯晶片等現成半導體、電晶體或其它個別組件。模組也可以以例如現場可編程閘陣列、可編程陣列邏輯、可編程邏輯裝置等可編程硬體裝置來實施。
模組可以以由各種型式的處理器執行的軟體實施。經過確定的可執行碼的模組包括例如一或更多實體或邏輯區塊的電腦指令,舉例而言,電腦指令係組織成物件、程序、或功能。然而,可執行之經過確定的模組無須實體地設置在一起,而是可包括儲存在不同位置的不同指令,這些不同指令當邏輯上接合在一起時,包括模組及達成所述之模組目的。
事實上,可執行碼的模組可為單一指令、或是很多指令,以及可為散佈於不同程式間、數個不同的碼區段上,且遍佈數個記憶體裝置。類似地,此處將運算資料確定在
及顯示在模組內,以及以任何適當的形式具體實施且組織於任何適當型式的資料結構內。運算資料可以集合成單一資料組,或是散佈於不同位置,包含在不同的儲存裝置上,以及,至少部份地存在為僅是系統或網路上的電子訊號。模組可為被動的或主動的,包含可操作以執行所需功能之代理器。
在本說明書中述及「實例」時意指與實例有關之說明的特定特點、結構、或特徵包含在本發明的至少一實施例中。因此,在本說明中不同處出現之「在實例中」之文句不一定均意指相同的實施例。
如此處所使用般,為了方便起見,眾多項目、結構元件、組成元件、及/或材料可以呈現在共同清單中。但是,這些清單應被解釋為清單的各成員是被個別地視為分別的及獨特的成員。因此,此清單中沒有個別成員應僅單獨地根據出現在共同組中但無相反表示而被解釋為相同清單的任何其它成員之實際上均等物。此外,本文/各式各樣之本發明的實施例及範例可連同彼等之各式組件的替代選擇一起參考。須瞭解,這些實施例、實例及替代選擇不應解釋為是彼此實際上的均等物,而是要解釋為本發明分別的及獨立的表示。
此外,在一或更多實施例中,所述的特點、結構、或特徵可以以任何適當方式相結合。在本發明說明中,提供眾多特定細節,例如佈局、距離、網路實例、等等實例以提供完整瞭解本發明的實施例。但是,習於此相關技藝者
將瞭解沒有一或更多特定細節、或是藉由其它方法、組件、佈局、等等,即可實施本發明。在其它情形中,未詳述或顯示習知的結構、材料、或操作以免模糊本發明的態樣。
雖然上述實例以一或更多特定應用來顯示本發明的原理,但是,習於此技藝的一般技術者將清楚知道,在不悖離本發明的原理及概念之下以及無創造的心智活動下,可以作出實施之形式、用途及細節的眾多修改。因此,本發明除了受下述揭示的申請專利範圍之限制外,本發明不應受其它限制。
Claims (30)
- 一種鄰近服務(ProSe)伺服器,可操作以促成在第一使用者設備(UE)與第二使用者設備之間建立直接傳輸層連接性,該鄰近服務伺服器具有配置成執行下述之電腦電路:從該第一使用者設備接收由該第一使用者設備使用的網際網路協定(IP)位址以建立與該第二使用者設備之直接傳輸層連接性;請求由該第二使用者設備使用以建立該直接傳輸層連接性的網際網路協定位址以及用於由該第二使用者設備使用的應用之應用埠;決定該第一使用者設備的網際網路協定位址或是該第二使用者設備的網際網路協定位址之可達狀態;以及根據該第一使用者設備的網際網路協定位址或是該第二使用者設備的網際網路協定位址之該可達狀態,促成建立該第一使用者設備與該第二使用者設備之間的該直接傳輸層連接性。
- 如申請專利範圍第1項之ProSe伺服器,又配置成從該第一使用者設備接收促成請求以在該第一使用者設備與該第二使用者設備之間建立直接傳輸層連接性。
- 如申請專利範圍第1項之ProSe伺服器,又配置成從該第一使用者設備接收用於同級間(P2P)應用的使用者應用識別(ID)及第一使用者設備的裝置識別。
- 如申請專利範圍第1項之ProSe伺服器,又配置 成使用該第二使用者設備使用的鄰近服務伺服器的鄰近服務伺服器識別及使用者應用識別,以辨識該第二使用者設備。
- 如申請專利範圍第1項之ProSe伺服器,其中,用於該第一使用者設備的網際網路協定位址或是用於該第二使用者設備的網際網路協定位址之該可達狀態包含全球可達的網際網路協定位址狀態及非全球可達的網際網路協定位址狀態。
- 如申請專利範圍第5項之ProSe伺服器,其中,由該第一使用者設備或該第二使用者設備藉由使用網路位址轉譯(NAT)或防火牆,造成該非全球可達的網際網路協定位址狀態。
- 如申請專利範圍第5項之ProSe伺服器,又配置成當該第二使用者設備的可達狀態是全球可達的網際網路協定位址狀態時,將該第二使用者設備的網際網路協定位址及應用埠傳送給該第一使用者設備。
- 如申請專利範圍第5項之ProSe伺服器,又配置成:決定該第一使用者設備及該第二使用者設備支援逆向連接程序;及當該第二使用者設備的該可達狀態是非全球可達的網際網路協定位址狀態及該第一使用者設備的可達狀態是全球可達的網際網路協定位址狀態時,幫助該第一使用者設備及該第二使用者設備以建立該第一使用者設備與該第二 使用者設備之間的逆向連接性。
- 如申請專利範圍第8項之ProSe伺服器,又配置成藉由下述以幫助該第一使用者設備及該第二使用者設備建立逆向連接性:對該第一使用者設備標示將建立用於應用之始於該第二使用者設備的逆向連接性,以繞過該第二使用者設備的防火牆;將用於第一使用者設備的應用之埠號碼及網際網路協定位址遞送給第二使用者設備;以及,導引該第二使用者設備以與該第一使用者設備建立用於應用之逆向連接性。
- 如申請專利範圍第9項之ProSe伺服器,又配置成將第一使用者設備的埠號碼及網際網路協定位址直接地遞送至該第二使用者設備;或是使用該第二使用者設備的鄰近服務伺服器以將該第一使用者設備的埠號碼及網際網路協定位址遞送至該第二使用者設備。
- 如申請專利範圍第9項之ProSe伺服器,又配置成當用於該第一使用者設備與該第二使用者設備之間的應用之直接傳輸層連接性終止時,將該防火牆繞道從該第二使用者設備移除。
- 如申請專利範圍第5項之ProSe伺服器,又配置成:當該第二使用者設備的該可達狀態是該非全球可達的 網際網路協定位址狀態以及該第一使用者設備的可達狀態是該非全球可達的網際網路協定位址狀態時,請求用於該第二使用者設備的埠號碼及全球可達的網際網路協定位址;以及遞送該全球可達的網際網路協定位址及該埠號碼給該第一使用者設備。
- 如申請專利範圍第12項之ProSe伺服器,又配置成:請求與該第二使用者設備相關連的防火牆提供用於該第二使用者設備的全球可達的網際網路協定位址;以及請求與該第二使用者設備相關連的該防火牆提供埠,經由該埠,該第一使用者設備為了該第一使用者設備與該第二使用者設備之間的該直接傳輸連接而接取該第二使用者設備。
- 如申請專利範圍第12項之ProSe伺服器,又配置成輔助該第一使用者設備及該第二使用者設備,使用與該第二使用者設備相關連的防火牆提供的該埠及該全球可達的網際網路協定位址以建立直接傳輸連接性。
- 如申請專利範圍第12項之ProSe伺服器,又配置成:直接向與該第二使用者設備相關連的該防火牆請求用於該第二使用者設備之該全球可達的網際網路協定位址及該埠;或是向該第二使用者設備的鄰近服務伺服器請求用於該第 二使用者設備的該埠及該全球可達的網際網路協定位址。
- 如申請專利範圍第1項之ProSe伺服器,又配置成向與該第二使用者設備通訊的鄰近服務伺服器請求或是直接地向該第二使用者設備請求用於在該第二使用者設備上運轉的該應用之該應用埠及該第二使用者設備的該網際網路協定位址。
- 一種使用者設備,可操作以與選取的使用者設備建立直接傳輸層連接性,該使用者設備具有配置成執行下述的電腦電路:將一使用者設備的網際網路協定位址傳送至鄰近服務伺服器,其中該使用者設備的該網際網路協定位址或該選取的使用者設備的網際網路協定位址具有可達狀態;向應用伺服器請求該選取的使用者設備之鄰近服務伺服器識別以及應用識別;從該應用伺服器接收該應用識別及該鄰近服務伺服器識別;以及傳送促成訊息給與該使用者設備通訊的該鄰近服務伺服器,其中,該促成訊息包含促成該使用者設備與該選取的使用者設備之間的直接傳輸層連接性之請求,其中該鄰近服務伺服器係被配置成根據該使用者設備的該網際網路協定位址或該選取的使用者設備的該網際網路協定位址的該可達狀態,促成該直接傳輸層連接性。
- 如申請專利範圍第17項之使用者設備,又配置成傳送該使用者設備的裝置識別及用於同級間應用的應用 識別給該鄰近服務伺服器。
- 如申請專利範圍第17項之使用者設備,又配置成向同級間應用伺服器註冊應用識別及該鄰近服務伺服器識別。
- 如申請專利範圍第17項之使用者設備,又配置成將用於公佈在同級間應用伺服器上之供應的內容或服務之接取許可程度通訊至該同級間應用伺服器。
- 如申請專利範圍第17項之使用者設備,其中,該促成訊息包含該使用者設備的網際網路協定位址。
- 如申請專利範圍第17項之使用者設備,其中,該可達狀態包含全球可達的網際網路協定位址狀態及非全球可達的網際網路協定位址狀態。
- 如申請專利範圍第22項之使用者設備,又配置成當該選取的使用者設備的可達狀態是非全球可達的網際網路協定位址狀態及該使用者設備的可達狀態是全球可達的網際網路協定位址狀態時,在該使用者設備與選取的使用者設備之間的逆直接傳輸層連接上從選取的使用者設備接收資訊。
- 如申請專利範圍第22項之使用者設備,又配置成當該選取的使用者設備的可達狀態是該非全球可達的網際網路協定位址狀態及該使用者設備的可達狀態是該非全球可達的網際網路協定位址狀態時,從該鄰近服務伺服器接收用於該選取的使用者設備之全球可達的網際網路協定位址。
- 一種電腦程式產品,包含儲存有指令之非暫時的儲存媒體,該指令適於用以執行成實施促成在第一使用者設備與第二使用者設備之間建立同級間連接之方法,該方法包括:在鄰近服務伺服器請求由該第二使用者設備使用以建立直接傳輸層連接性的網際網路協定位址以及用於由該第二使用者設備使用的應用之應用埠;決定該第一使用者設備的網際網路協定位址或該第二使用者設備的網際網路協定的位址之可達狀態;以及根據該第一使用者設備的網際網路協定位址或該第二使用者設備的網際網路協定位址之該可達狀態而促成建立該第一使用者設備與該第二使用者設備之間的該直接傳輸層連接性。
- 如申請專利範圍第25項之電腦程式產品,該方法又包括從該第一使用者設備接收由該第一使用者設備使用的該網際網路協定位址以建立與該第二使用者設備的該直接傳輸層連接性。
- 如申請專利範圍第25項之電腦程式產品,其中,用於該第一使用者設備的網際網路協定位址或是用於該第二使用者設備的該網際網路協定位址的該可達狀態均包含全球可達的網際網路協定位址狀態及非全球可達的網際網路協定位址狀態。
- 如申請專利範圍第27項之電腦程式產品,該方法又包括: 決定該第一及該第二使用者設備支援逆向連接程序;以及當該第二使用者設備的該可達狀態是非全球可達的網際網路協定位址狀態及該第一使用者設備的可達狀態是全球可達的網際網路協定位址狀態時,促成建立該第一使用者設備與該第二使用者設備之間的逆向連接。
- 如申請專利範圍第27項之電腦程式產品,該方法又包括:當該第二使用者設備的該可達狀態是該非全球可達的網際網路協定位址狀態及該第一使用者設備的可達狀態是該非全球可達的網際網路協定位址狀態時,請求用於該第二使用者設備之全球可達的網際網路協定位址;以及,遞送該全球可達的網際網路協定位址給該第一使用者設備。
- 如申請專利範圍第25項之電腦程式產品,該方法又包括:當該第一使用者設備及該第二使用者設備的該可達狀態是非全球可達的網際網路協定位址狀態時,請求用於該第一使用者設備之全球可達的網際網路協定位址;以及遞送全球可達的網際網路協定位址給該第二使用者設備以用於建立逆向傳輸層連接。
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