CN102308512B - Signaling retransmission method and apparatus based on Stream Control Transmission Protocol and system - Google Patents

Signaling retransmission method and apparatus based on Stream Control Transmission Protocol and system Download PDF

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CN102308512B
CN102308512B CN 201180001350 CN201180001350A CN102308512B CN 102308512 B CN102308512 B CN 102308512B CN 201180001350 CN201180001350 CN 201180001350 CN 201180001350 A CN201180001350 A CN 201180001350A CN 102308512 B CN102308512 B CN 102308512B
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signaling
packets
packet
number
sack
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CN 201180001350
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CN102308512A (en
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牛晓莉
朱伟
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华为技术有限公司
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Priority to PCT/CN2011/077740 priority Critical patent/WO2012109848A1/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/12Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18Automatic repetition systems, e.g. van Duuren system ; ARQ protocols
    • H04L1/1867Arrangements specific to the transmitter end
    • H04L1/1896ARQ related signaling
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/12Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18Automatic repetition systems, e.g. van Duuren system ; ARQ protocols
    • H04L1/1867Arrangements specific to the transmitter end
    • H04L1/1887Scheduling and prioritising arrangements

Abstract

本发明公开了一种基于流控制传输协议SCTP的信令重传方法及装置,包括:对独立信令数据包及多个验证数据包进行编号,并将编号后所述独立信令数据包及多个验证数据包按照编号依次向接收端发送;接收接收端发送的SACK报文,并判断接收到的SACK报文的个数是否达到预设值;当接收到的SACK报文的个数达到预设值时,确定与多个SACK报文内相同丢失信令数据包的编号相对应的信令数据包丢失;重新向接收端发送所确定丢失的信令数据包。 The present invention discloses a method based on signaling apparatus and retransmission method of SCTP stream control transmission protocol, comprising: after a plurality of independent data packets and signaling packets verification number, and the number of data packets and signaling independently a plurality of data packets sequentially transmitted in accordance with the validation number to the receiving terminal; receiving a receiving end of SACK packets sent and received to determine the number of SACK packets reaches a preset value; when the number of received packets reaches the SACK when the preset value, determining a plurality of SACK packets lost within the same signaling packets corresponding to the number of signaling packet loss; re-transmitted to the receiving end of the signaling data packet loss determined. 该方法在发送独立信令数据包之后发送多个验证数据包,这样就通过多个验证数据包对该独立信令数据包是否丢失进行判断,并且当确定信令数据包丢失后,可以对实现对SCTP丢失信令数据包进行及时有效重传。 The method of transmitting a plurality of authentication packet after transmitting separate signaling packets, so that the judgment is lost independent signaling packets by a plurality of authentication packet, and when the signaling data packet loss is determined to be the achievement SCTP signaling packets lost on a timely and effective retransmission.

Description

一种基于流控制传输协议的信令重传方法、装置及系统技术领域[0001] 本发明涉及通信技术领域,特别是涉及一种基于流控制传输协议的信令重传方法、装置及系统。 Retransmitting method and apparatus TECHNICAL FIELD [0001] The present invention relates to communication technologies, particularly to a transmission protocol based on flow control signaling retransmission method, apparatus and system for flow control transmission protocol based signaling. 背景技术[0002] Femto (毫微微蜂窝基站)是基于固定IP传输网,为家庭/企业用户提供无线接入服务的网络设备。 BACKGROUND [0002] Femto (femtocells) are fixed IP-based transport network, to provide wireless access network device for home / business users. 作为WCDMA(Wideband Code Division Multiple Access,宽带码分多址)宏蜂窝的补充技术,能使运营商以更低的代价为家庭用户提供更好的无线宽带语音业务及数据业务。 As a complementary technology to WCDMA (Wideband Code Division Multiple Access, Wideband Code Division Multiple Access) macro cell, enabling operators to lower the cost to provide better wireless broadband voice and data services for home users. 作为固定移动融合的一种新技术,以及个人移动通信与家庭宽带通信的市场结合点,Femto将是全业务运营商提供差异化业务的重要手段。 As a new fixed-mobile convergence technology, as well as personal mobile communication market point of integration with home broadband communications, Femto will be full-service operators to provide differentiated services is an important means. 由于Femto和核心网络之间采用IP网络传输,因此,传输网络的损伤对Femto业务的建立及业务质量有重要的影响。 Since the use of IP network transmission and core network between Femto, therefore, damage the transmission network has a significant impact on the quality of service and establish Femto services. [0003] 目前,业务相关信令均米用SCTP(Stream Control Transmission Protocol,流控制传输协议)进行传输。 [0003] Currently, service-related signaling is transmitted by all meters SCTP (Stream Control Transmission Protocol, Stream Control Transmission Protocol). 当网络发生拥塞性能下降时,网络丢包增加,传输时延增大,信令和业务数据可能无法按时到达。 When the network congestion performance degradation, increased packet loss, transmission delay is increased, signaling and traffic data may not arrive on time. 在一次呼叫建立过程中,HNBOtome NodeB,家庭基站)和HNB-Gff (Home NodeB GateWay,家庭基站网关)之间交互信令有10余条,期间任意信令包的丢失,均会导致超时时间的累加,从而增加呼叫建立时延,丢包严重时,导致呼叫建立失败。 In a call set-up, HNBOtome NodeB, signaling interaction between the home base station) and the HNB-Gff (Home NodeB GateWay, the home base station gateway) has more than 10, signaling any lost packets during the time-out will result in the accumulation, thereby increasing call setup delay, packet loss seriously, resulting in call setup failure. 并且对于WCDMA其他形态基站,如Micro,PiCo,由于其也采用公网传输,所以也存在相同问题。 For WCDMA base stations and other forms, such as Micro, PiCo, because it also uses the public network, so there is the same problem. 对于其他制式(GSM、CDMA、Wimax、LTE)小基站,也存在同样问题。 For other modes (GSM, CDMA, Wimax, LTE) a small base station, the same problems exist. 发明内容[0004] 有鉴于此,本发明实施例提供一种基于流控制传输协议SCTP的信令重传方法、装置及系统,以实现SCTP信令重传。 [0004] In view of this, embodiments of the present invention provides a flow control transmission protocol SCTP-based signaling retransmission method, apparatus and system to implement the signaling SCTP retransmission. [0005] 为了实现上述目的,本发明实施例提供的技术方案如下:[0006] —种基于流控制传输协议SCTP的信令重传方法,包括:[0007] 在独立信令数据包后加入多个验证数据包,对所述独立信令数据包及多个验证数据包进行编号,并将编号后所述独立信令数据包及多个验证数据包按照编号依次向接收端发送;[0008] 接收所述接收端发送的选择性确认SACK报文,所述SACK报文内携带有丢失信令数据包的编号,并判断接收到含有相同丢失信令数据包的编号的SACK报文的个数是否达到预设值;[0009] 当接收到含有相同丢失信令数据包的编号的SACK报文的个数达到预设值时,确定与多个所述SACK报文内相同丢失信令数据包的编号相对应的信令数据包丢失;[0010] 将所确定丢失的信令数据包向所述接收端发送。 [0005] To achieve the above object, the technical solution provided by the embodiment of the present invention is as follows: [0006] - seed flow signaling method retransmission control transmission protocol SCTP-based, comprising: [0007] After the addition of multiple independent signaling packets an authentication packet, the signaling packets and a plurality of independent verification data packets are numbered, and the number after the signaling data packets and the plurality of independent validation data packets sequentially transmitted to the receiving end in accordance with the number; [0008] the receiving end receiving transmitted selective acknowledgment SACK packet, the SACK packet carries the number of signaling packet loss, and determines the number of received containing the same number of signaling packets lost packets SACK reaches a preset value; [0009] when the number is received containing the same number of signaling packets lost SACK packets reaches a preset value, determining a plurality of the SACK packet loss signaling packet within the same correspond to the numbers of the signaling packet loss; [0010] transmitting the signaling packets determined to be lost to the receiving end. [0011] 本发明还提供了一种基于流控制传输协议SCTP的信令重传装置,包括:[0012] 编号单元,用于在独立信令数据包后加入多个验证数据包,并对所述独立信令数据包及多个验证数据包进行编号;[0013] 发送单元,用于将编号后所述独立信令数据包及多个验证数据包按照编号依次向接收端发送;[0014] 第一接收单元,用于接收所述接收端发送的选择性确认SACK报文,所述SACK报文内携带有丢失信令数据包的编号;[0015] 第一判断单元,用于判断接收到含有相同丢失信令数据包的编号的SACK报文的个数是否达到预设值;[0016] 确定单元,用于当所述第一判断单元的判断结果为是时,确定与多个所述SACK报文内相同丢失信令数据包的编号相对应的信令数据包丢失;[0017] 重传单元,用于将所确定丢失的信令数据包向所述接收端发送。 [0011] The present invention further provides an apparatus for signaling a retransmission based on the SCTP stream control transmission protocol, comprising: [0012] numbering unit for adding a plurality of data packets in the independent validation signaling packets, and the said plurality of independent data packets and signaling packets verification number; [0013] transmitting unit for the rear signaling packets numbered independently and sequentially transmits a plurality of authentication packet to the receiving end in accordance with the number; [0014] a first receiving means for selectively receiving the receiving end sends an acknowledgment SACK packet, the SACK packet carries the number of signaling packet loss; [0015] a first determination unit configured to determine received the number of SACK packets containing the same number of lost packets of signaling data reaches a preset value; [0016] determination unit, when the first determination means determines the result is YES, the determining of the plurality of same SACK packet loss signaling packet number corresponding to the signaling data packet loss; [0017] retransmission means for determining the loss of the signaling data packet to the receiving end. [0018] 本发明还提供了一种基于流控制传输协议SCTP的信令传输系统,包括:信令重传装置和信令接收装置,其中:[0019] 所述信令重传装置包括:[0020] 编号单元,用于在独立信令数据包后加入多个验证数据包,并对所述独立信令数据包及多个验证数据包进行编号;[0021] 发送单元,用于将编号后所述独立信令数据包及多个验证数据包按照编号依次向信令接收装置发送;[0022] 第一接收单元,用于接收所述信令接收装置发送的选择性确认SACK报文,所述SACK报文内携带有丢失信令数据包的编号;[0023] 第一判断单元,用于判断接收到含有相同丢失信令数据包的编号的SACK报文的个数是否达到预设值;[0024] 确定单元,用于当所述第一判断单元的判断结果为是时,确定与多个所述SACK报文内相同丢失信令数据包的编号相对应的信令数据包丢失;[0025] 重传单元,用于将所 [0018] The present invention further provides a stream control transmission protocol SCTP signaling transmission systems, including those based on: retransmitting the signaling means and the signaling receiving apparatus, wherein: [0019] The retransmission signaling device comprising: [ 0020] numbering unit for adding a plurality of data packets in the independent validation signaling packets, and a plurality of independent data packets and signaling packets verification number; [0021] transmitting unit, the number for the the signaling data packets and the plurality of independent validation data packets are sequentially numbered in accordance with the received signaling sending apparatus; [0022] a first receiving means for selectively receiving the signaling receiving apparatus transmits acknowledgment SACK packet, the said inner SACK packets carrying signaling data packet lost number; [0023] a first determination unit configured to determine the number of SACK received packets containing the same number of lost packets of signaling data reaches a preset value; [0024] determination unit, when the first determination means determines the result is YES, the SACK determining a plurality of packet loss over the same number of signaling packets corresponding to the signaling data packet loss; [ 0025] retransmission unit, for the 定丢失的信令数据包向所述信令接收装置发送;[0026] 所述信令接收装置包括:[0027] 第二接收单元,用于接收所述信令重传装置发送的独立信令数据包及多个验证数据包;[0028] 第二判断单元,用于当每次接收到数据包后,判断接收的独立信令数据包及多个验证数据包的编号是否连续;[0029] SACK报文生成单元,用于当所述第二判断单元的判断结果为否时,生成SACK报文并发送给所述信令重传装置,所述SACK报文内携带有丢失信令数据包的编号。 Given missing packet received signaling data to the signaling sending apparatus; [0026] The signaling receiving apparatus comprising: [0027] a second receiving unit for receiving signaling independently of the signaling device transmits the retransmission and a plurality of packet verification data packets; [0028] the second determination unit for, when receiving a data packet each time, independently determining the received signaling packets and data packets of the plurality of authentication numbers are continuous; [0029] SACK packet generation unit, when said second determination means determines the result is NO, to generate SACK packets sent to retransmit the signaling means, the SACK packet carries the signaling packets lost number. [0030] 本发明实施例提供的该基于SCTP的信令重传方法,发送端在独立信令数据包后加入多个验证数据包,对所述独立信令数据包及多个验证数据包进行编号,并将编号后所述独立信令数据包及多个验证数据包按照编号依次向接收端发送,当发送端接收到接收端返回发送的含有相同丢失信令数据包的编号的SACK报文的个数达到预设值,发送端与多个SACK报文内相同丢失信令数据包的编号相对应的信令数据包丢失,并对该信令数据包进行重传,以实现可以对丢失信令数据包及时有效重传。 [0030] The embodiments of the present invention provides the signaling SCTP-based retransmission method, the transmit end a plurality of authentication packet added after separate signaling packets, the signaling data packets and the plurality of independent verification data packets number, and the number after the signaling packets and a plurality of independent data packets sequentially transmitted in accordance with the validation number to the receiving end, when the sender receives contains the same number of lost signaling packets returned by the receiver SACK packets sent the number reaches a preset value, the transmit end a plurality of SACK packets with the same packet loss signaling data ID corresponding to the signaling data packet loss, and retransmits the signaling packets, may be lost in order to achieve signaling data packet retransmission timely and effective. 附图说明[0031] 为了更清楚地说明本发明实施例或现有技术中的技术方案,下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本发明中记载的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下, 还可以根据这些附图获得其他的附图。 BRIEF DESCRIPTION [0031] In order to more clearly illustrate the technical solutions in the embodiments or the prior art embodiment of the present invention, the accompanying drawings for describing the embodiments or the prior art described in the introduction required simply Apparently, the following the drawings described are only some embodiments of the invention described, those of ordinary skill in the art is concerned, without creative efforts, we can derive from these drawings other drawings. [0032] 图1为本发明一实施例提供的基于SCTP的信令重传方法的一种流程图;[0033] 图2为本发明另一实施例提供的基于SCTP的信令重传方法另一种流程图;[0034] 图3为本发明又一实施例提供的基于SCTP的信令重传装置的一种结构示意图;[0035] 图4为本发明又一实施例提供的基于SCTP的信令传输系统的一种结构不意图。 [0032] A flowchart of FIG retransmission method based on the SCTP signaling according to an embodiment of the present invention; [0033] FIG. 2 is another embodiment of a signaling SCTP-based retransmission method of the present invention further provides one kind of a flowchart; [0034] FIG. 3 is a schematic structural diagram of one kind-based signaling SCTP retransmission apparatus provided in a further embodiment of the invention; [0035] FIG. 4 provided in a further embodiment of the invention based on the SCTP a configuration signaling system is not intended. 具体实施方式[0036] 为了使本技术领域的人员更好地理解本发明中的技术方案,下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。 DETAILED DESCRIPTION [0036] In order to make those skilled in the art better understand the technical solutions of the present invention, the present invention in conjunction with the following drawings in the embodiments, the technical solutions in the embodiments of the present invention will be clearly and completely described in obviously, the described embodiments are merely part of embodiments of the present invention rather than all embodiments. 基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都应当属于本发明保护的范围。 Based on the embodiments of the present invention, all other embodiments of ordinary skill in the art without creative efforts shall be made available, should fall within the scope of the present invention. [0037] 本文中描述的各种技术可用于各种无线通信系统,例如当前2G,3G通信系统和下一代通信系统,例如,本发明适用于UMT,GSM(Global System for Mobile communications, 全球移动通信系统)、GPRS(General Packet Radio Service,通用分组无线服务技术)、CDMA2000 (Code Division Multiple Access 2000,码分多址接入技术2000)、 TD-SCDMA(Time Division-Synchronous Code Division Multiple Access,时分同步石马分多址接入技术)、LTE(Long Tem Evolution,长期演进)、WLAN(Wireless Local Area Network,无线局域网络)/WiFi (Wireless Fidelity,无线保真)和WiMAX(Worldwide Interoperability forMicrowave Access,全球微波互联接入)等无线网络。 [0037] Various techniques described herein can be used for various wireless communication systems, such as the current 2G, 3G and next-generation communication system, a communication system, e.g., the present invention is applicable to UMT, GSM (Global System for Mobile communications, Global System for Mobile Communications system), GPRS (General packet radio service, General packet radio service), CDMA2000 (Code division Multiple access 2000, Code division Multiple access technology 2000), TD-SCDMA (Time division-synchronous Code division Multiple access, Time division synchronous Shima division multiple access technology), LTE (long Tem Evolution, long Term Evolution), WLAN (wireless Local Area network, WLAN) / WiFi (wireless fidelity, wireless fidelity) and WiMAX (worldwide Interoperability forMicrowave access, global Interoperability for microwave access) wireless network. [0038] 另外,本文中术语“系统”和“网络”在本文中常被可互换使用。 [0038] Further, the terms "system" and "network" are often used interchangeably herein. 本文中术语“和/ 或”,仅仅是一种描述关联对象的关联关系,表示可以存在三种关系,例如,A和/或B,可以表示:单独存在A,同时存在A和B,单独存在B这三种情况。 The term "and / or" merely describe a relationship of associated objects representing three relationships may exist, for example, A and / or B, may be expressed: A exists alone, A and B are simultaneously present, alone B three cases. 另外,本文中字符“/”,一般表示前后关联对象是一种“或”的关系。 Further, the character "/", represents the general context-objects is a "or" relationship. [0039] 在现有的SCTP协议中,虽然提供了一种选择性确认和重传机制,其通过判断后续到达的数据包的编号是否与之前到达的数据包的编号连续来对丢包进行确认和重传。 [0039] In the conventional SCTP protocol, while providing a selective acknowledgment and retransmission, determining whether the data packet by the subsequent arrival of the packet before reaching the number of consecutive numbers to confirm the loss of the and retransmission. 在发送数据包时,根据现有的协议,发送端对每个数据包进行顺序编号,接收端则根据后续接收到的数据包的编号与之前的编号是否连续来检测丢包或乱序,当接收端检测到一次数据包的编号不连续时,立即向发送端回复一个SACK (Selective Acknowledgement,选择性确认) 报文,该报文中携带有缺失数据包的编号,当接收端接收到3个携带有相同缺失数据包编号的SACK报文时,即可确认该数据包丢失,并立即进行重传。 When transmitting data packets, according to the existing protocol, the sender for each data packet sequence number, the receiving end in accordance with the number number before subsequently received packets are continuous or scrambled packet loss is detected, when the receiving end detects a data packet number is not continuous, immediate response to the sender a SACK (selective Acknowledgement, selective acknowledgment) packet, the packet carries the number of the missing data packets, when received by the receiver 3 when carrying the missing data packets with the same number of SACK message to confirm that the packet loss, and immediately retransmitted. [0040] 这种选择性确认和重传机制主要通过后续数据包的到达,快速确认丢失数据包的序列号,并触发丢包重传。 [0040] Such selective acknowledgment and retransmission mechanism is mainly through to the subsequent data packet, fast acknowledgment sequence number of the missing data packets, and packet loss triggers a retransmission. 但在实际应用中,发明人发现对于信令数据包零散的情况,则无法利用后续包触发SACK和快速重传,例如:一、在Femto实际应用中,由于Femto下的用户少,信令包不连续,即后续零散的数据包无法及时触发SACK报文进行丢包确认。 However, in practical applications, the inventors have found that for the case of signaling packets fragmented, not using the SACK packet triggering and subsequent fast retransmit, for example: a, Femto in practical applications, since fewer users under Femto, signaling packet discontinuous, that the subsequent fragmented packets trigger SACK not been able to confirm packet loss. 因此,当发生信令包丢失时,发端只能等待RTO (Recovery Time 0b ject,恢复时间目标)超时(通常为3s)后,才能触发对丢失包的重传。 Therefore, when the signaling packet loss occurs, the originator can only wait for the RTO (Recovery Time 0b ject, recovery time objective) timeout (usually 3s), in order to trigger retransmission of lost packets. 在网络损伤严重的场景下,对于业务建立过程,任意信令的丢失均会导致超时时间的累加,从而增加业务建立时延,丢包严重时,导致业务建立失败。 In severe network impairments scene, for the establishment of business processes, any loss will result in the accumulation of signaling timeout, thereby increasing business setup delay, packet loss seriously, leading to the establishment of business failure. 因此,这种现有的选择性确认和重传机制在Femto应用中无法达到重传的效果。 Thus, this conventional selective acknowledgment and retransmission mechanism can not achieve the effect of the application Femto retransmissions. 二、 对于WCDMA其他形态以及其他制式的小基站,虽然其用户数相对Femto较多,但其下用户同时发生业务建立流程的情况仍非常有限,无法保证有效利用后续包的到达触发SACK报文, 因此,同样无法达到重传的效果。 Second, the other for the WCDMA standard forms and other small base station, Femto although the number of users is relatively large, but the user while the incidence of business establishment process is still very limited and can not ensure the effective use of subsequent packets arrive trigger SACK packet, Therefore, the same can not achieve the effect of retransmission. [0041] 一个实施例:[0042] 图1为本发明一实施例提供的基于SCTP的信令重传方法一种流程图。 [0041] Embodiment: [0042] Figure 1 provides a SCTP-based signaling flowchart of a retransmission method of the present embodiment of the invention. [0043] 如图1所示,该基于SCTP的信令重传方法包括:[0044] Sll:发送端在独立信令数据包后加入多个验证数据包,对独立信令数据包及多个验证数据包进行编号,并将编号后该独立信令数据包及多个验证数据包按照编号顺序依次向接收端发送。 [0043] 1, the signaling SCTP-based retransmission method comprising: [0044] Sll: a plurality of transmitting side added after separate authentication packet signaling packets, independent signaling packets and a plurality of authentication packet numbering, the signaling packets and a plurality of independent validation data packets sequentially transmitted to the receiving end in accordance with the order number and the number. [0045] 为了解决后续数据包无法及时有效地触发SACK报文,在本发明实施例中,在每一个独立信令数据包之后,均可以加入多个验证数据包。 [0045] In order to solve the subsequent packets can not timely and effectively trigger the SACK packet, in the embodiment of the present invention, after each separate signaling packets, can be added to the plurality of authentication packet. [0046] 多个验证数据包的作用是为了增加发送端发送数据包的密度,减小发送间隔,这样当某一个信令数据包发送后,多个验证数据包和后续独立信令数据包均可以触发接收端发送SACK报文,减少了对该信令数据包丢包的确认及重传时间。 [0046] The plurality of authentication packets role is to increase the density of the sender sends a packet, the transmission interval is reduced, so that when one of the signaling data packet, a plurality of authentication packet and subsequent packets are independent signaling may trigger the receiver sends SACK packet, acknowledgment and retransmission reduce the time loss of signaling packets. 另外,为了减小数据传输量,在构造验证数据包时,可以构造尽量小的数据包。 Further, in order to reduce the amount of data transmission, in the construction of the authentication packet can be configured as small packets. [0047] S12:发送端接收接收端发送的SACK报文,并判断接收到含有相同丢失信令数据包的编号的SACK报文的个数是否达到预设值。 [0047] S12: sending end receives the receiver sends SACK packet, and determines the number of SACK packets containing the same number of lost signaling packets received has reached a preset value. [0048] 当接收端每次检测到新接收到的数据包的编号与之前接收到的数据包的编号不连续时,会立刻向发送端回复SACK报文,该SACK报文内携带有丢失信令数据包的编号。 When the ID [0048] When the receiving end every time it detects a new received packet numbers to the previously received data packet is discontinuous, SACK packet immediately reply to the sender, the lost cells carrying the SACK packet so that the packet number. [0049] 为了提高系统的容错率,在发送端内设置有一个SACK报文个数的预设值,即当发送端接收到的SACK报文的个数小于预设值时,认为数据包未出现丢失,而一旦接收到的SACK报文的个数达到预设值,则判定SACK报文内携带的信令数据包的编号所对应的信令数据包丢失。 [0049] In order to improve the fault tolerance of the system, there is provided a preset number of SACK packets in the transmission side, i.e., when the number of the sender receives the SACK packet is less than a predetermined value, the data packets are not considered the loss, and the number upon receiving the SACK packet reaches a preset value, it is determined that the number of signaling data packet carries within SACK packets corresponding to the signaling data packet loss. 另外,这里所说的SACK报文的个数达到预设值,是指含有相同丢失信令数据包的编号的SACK报文的个数达到预设值。 Further, here the number of SACK packets reaches a preset value, is the number of SACK packets containing the same number of lost packets of signaling data reaches a preset value. [0050] S13:发送端确定信令数据包丢失。 [0050] S13: transmit end determines a signaling packet loss. [0051] 当发送端接收到含有相同丢失信令数据包的编号的SACK报文的个数达到预设值时,确定与多个SACK报文内相同丢失信令数据包的编号相对应的信令数据包丢失。 [0051] When the ID number of the sender receives signaling packets containing the same loss of SACK packets reaches a preset value, determined in the same plurality of lost data packets within a signaling SACK packet channel corresponding to the number so that packet loss. 例如: 第一个SACK报文内携带的丢失信令数据包的编号为1,第二个SACK报文内携带的丢失信令数据包的编号为1、3,第三个SACK报文内携带的丢失信令数据包的编号为1、3、4,那么这三个SACK报文内携带的相同的丢失信令数据包的编号为1,即此时确定,编号为I的数据包丢失。 For example: The first SACK packet loss carried within a signaling data packet number 1, the second number SACK packets carried within a signaling data packet is lost, 3, the third SACK packets carrying loss of signaling packets are numbered 1,3,4, the same number of three lost packets of signaling data packets within the SACK carried is 1, i.e., this case is determined, the number I of packet loss. [0052] S14:发送端将所确定丢失的信令数据包向接收端发送。 [0052] S14: The transmitting side lost signaling packets transmitted to the receiving end is determined. [0053] 由于在上述步骤中已经确定丢失信令数据包的编号,所以在该步骤中需要将与丢失信令数据包编号相对应的信令数据包重新发送给接收端。 [0053] Since it has been determined in the above step signaling packets lost number, so in this step needs to be lost with the signaling packets corresponding to the number of re-sending signaling packets to the receiver. [0054] 另一个实施例:[0055] 图2为本发明另一实施例提供的基于SCTP的信令重传方法另一种流程图。 [0054] Another embodiment: [0055] FIG 2 is a flowchart of another signaling SCTP-based retransmission method according to another embodiment of the present invention. [0056] 如图2所示,该基于SCTP的信令重传方法包括:[0057] S21:发送端对独立信令数据包及多个验证数据包进行编号。 [0056] As shown, the signaling SCTP-based retransmission method comprising 2: [0057] S21: sending end and a plurality of separate signaling packets authentication packet numbering. [0058] 根据现有STCP协议,发送端会对每个数据包按照发送顺序进行编号。 [0058] According to the prior STCP protocol, each packet transmission side will be numbered in the order of transmission. 并且,由于多个验证数据包的作用是在独立信令数据包发送后验证接收端是否收到该独立信令数据包,所以只需保证多个验证数据包的发送次序位于独立信令数据包之后即可。 Further, since the effect of the plurality of authentication packet is to verify whether the receiver receives the signaling data packet after independent separate signaling packets transmitted, to ensure that only the sending order of the plurality of authentication packet in a separate signaling packets after the can. 而在对独立信令数据包和多个验证数据包进行编号时,多个验证数据包的编号可以依次位于该独立信令数据包之后,或者可以将后续的独立信令数据包的编号加入到多个验证数据包的编号之间,例如:一个独立信令数据包的验证数据包为3个,并且第一个独立信令数据包的编号为1,那么第一个独立信令数据包的3个验证数据包的编号可以分别为2、3和4,或者,第一个独立信令数据包的3个验证数据包的编号分别为2、4和5,而将第二个独立信令数据包的编号为3,无论上述哪种编号方式,其均不会影响多个验证数据包的作用。 And in the independent signaling packets and data packets for a plurality of authentication numbers, the number of the plurality of authentication packet may be sequentially located after the separate signaling packets, or the number of subsequent separate signaling packets may be added to among the plurality of authentication packet number, for example: a separate signaling packets authentication data packet is 3, and the number of the first packet of a separate signaling data is 1, then the first separate signaling data packet No. 3 authentication packet may be respectively 2, 3 and 4, or 3 in the authentication packet number of the first signaling packets are independently 2, 4 and 5, while the second independent signaling number of the packet 3, in either numbering, which will not affect the action of a plurality of authentication packet. [0059] S22:发送端将编号后该独立信令数据包及多个验证数据包按照编号顺序依次向接收端发送。 [0059] S22: the number of the transmitting end signaling packets and a plurality of independent validation data packets sequentially transmitted to the receiving end in numerical order. [0060] S23:接收端检测所有接收到的数据包的编号是否连续,并且当所有接收到的数据包的编号不连续时,立即生成SACK报文。 [0060] S23: No receiving end detects all packets received are continuous, and when all the numbers of the received packet is not continuous, immediately generate SACK packets. [0061] 当接收端每次接收到数据包时,其均会对所有接收到的数据包的编号进行检测, 即从第一个接收到的数据包的编号开始检测,检查所有数据包是否依次连续,并且当所有接收到的数据包中存在编号不连续的情况时,将缺失的编号记录下来。 [0061] When the receiving end each time the data packet is received, which are numbered on all received data packet is detected, i.e., numbers start detection from the first to the received packet, checking whether all packets sequentially continuous, discontinuous numbered and there is a case when all the received data packets, the missing numbers recorded. [0062] 接收端在每次检测之后,如果存在编号不连续的情况,会立即生成一个SACK报文,在该SACK报文中携带有缺失的编号,即丢失的数据包所对应的编号,并且将生成的SACK报文发送给发送端;如果不存在编号不连续的情况,在预设时间内生成一个SACK并发送给发送端,在该SACK报文内丢失包编号部分为空。 [0062] After each test the receiving end, if the number discontinuity exists, immediately generates a SACK packet, carrying the deletion in the SACK packet number, i.e. lost packets corresponding to the number, and the resulting SACK packets sent to the transmitting end; if the number discontinuity does not exist, a preset time to generate SACK sent to the transmitting end, in the SACK packet is lost packet numbers section is empty. [0063] 在本发明中,由于每一个独立信令数据包之后均跟随有多个验证数据包,增加了数据包的发送密度,减小了接收端接收数据包的间隔,并且在某一个独立信令数据包发送之后,每当接收端接收到一个数据包(包括验证数据包或后续的独立信令数据包),接收端均会对之前接收到的所有数据包的编号连续情况进行一次检测,如果接收端未接收到该独立信令数据包,则接收端后续接收到每一个数据包均会触发一次SACK报文。 [0063] In the present invention, since after each separate signaling packets are followed by a plurality of authentication packet, increasing the density of the data packet transmission, the receiving side reduces the interval of the received packet, and one in a separate after the signaling data packet transmission, whenever the receiver receives a data packet (including the packet verification or subsequent separate signaling packets), the receiving end both have consecutive numbers until all the data packets received to conduct a test If the receiving terminal does not receive the separate signaling packets, the receiving end of each subsequently received data packet will trigger a SACK packet. 所以对于一些信令数据包零散的情况,无需依赖后续信令数据包,也能够比较快速地触发SACK报文。 Therefore, for some scraps of signaling packets, without relying subsequent signaling packets, it is possible to relatively quickly trigger SACK packet. [0064] S24:接收端将生成的SACK报文发送给发送端。 [0064] S24: The receiving end of the SACK packet generated to the transmitting end. [0065] 每当接收端生成一个SACK报文,就会将该SACK报文发送给发送端,以便通知发送端其所发送的数据包是否存在丢失或乱序的问题。 [0065] Whenever the receiving terminal generates a SACK packet, the SACK packet will be sent to the sender, which sends the notification data to be transmitted whether it is lost or scrambled problem exists. [0066] S25:发送端接收接收端发送的SACK报文,并判断接收到含有相同丢失信令数据包的编号的SACK报文的个数是否达到预设值。 [0066] S25: sending end receives the receiver sends SACK packet, and determines the number of SACK packets containing the same number of lost signaling packets received has reached a preset value. [0067] 为了提高系统的容错率,在发送端内设置有一个SACK报文个数的预设值,即当发送端接收到的SACK报文的个数小于预设值时,则认为数据包未出现丢失或乱序,而一旦接收到的SACK报文的个数达到预设值,则判定SACK报文内携带的信令数据包的编号所对应的信令数据包丢失或乱序。 [0067] In order to improve the fault tolerance of the system, there is provided a preset number of SACK packets in the transmission side, i.e., when the number of the sender receives the SACK packet is less than a predetermined value, the packet is considered missing or out of order is not present, and upon receiving a number of SACK packets reaches a preset value, it is determined that the number of signaling data packet carries within SACK packets corresponding to the signaling data packets lost or scrambled. 另外,这里所说的SACK报文的个数达到预设值,是指含有相同丢失信令数据包的编号的SACK报文的个数达到预设值。 Further, here the number of SACK packets reaches a preset value, is the number of SACK packets containing the same number of lost packets of signaling data reaches a preset value. [0068] 此外,考虑到由于网络传输的不确定性可能导致验证数据包发送失败,所以为了保证在信令数据包丢失时,发送端可以至少接收到达到预设值的SACK报文,所以在发明实施例中,验证数据包的个数必须大于等于预设值的大小。 [0068] In addition, taking into account the uncertainty due to the network transmission may cause transmission failure verification data packets, so in order to ensure that a signaling packet loss, the sending terminal may receive at least reaches the preset value SACK packet, so embodiment of the invention, the number of authentication packet size must be greater than equal to a preset value. 另外,由于现有的协议中规定,当发送端接收到三个其内含有相同丢失信令数据包的编号的SACK报文时,即可确认该信令数据包丢失,所以,在本发明中,预设值可以为三,验证数据包的个数为至少三个。 Further, since the conventional predetermined protocol, when the sender receives three SACK packet containing within the same number of signaling packets lost, to confirm that the signaling packet loss, therefore, in the present invention, , the predetermined value may be three, the number of authentication packet is at least three. [0069] S26:发送端确定信令数据包丢失。 [0069] S26: transmit end determines a signaling packet loss. [0070] 当发送端接收到含有相同丢失信令数据包的编号的SACK报文的个数达到预设值时,确定与多个SACK报文内丢失信令数据包的编号相对应的信令数据包丢失。 [0070] When the ID number of the sender receives signaling packets containing the same loss of SACK packets reaches a preset value, determining a plurality of SACK packets lost within the signaling packets corresponding to the number of signaling packet loss. [0071] S27:发送端将所确定丢失的信令数据包向接收端发送。 [0071] S27: The transmitting side lost signaling packets transmitted to the receiving end is determined. [0072] 由于在上述步骤中已经确定丢失信令数据包的编号,所以在该步骤中需要将与丢失信令数据包编号相对应的信令数据包重新发送给接收端。 [0072] Since it has been determined in the above step signaling packets lost number, so in this step needs to be lost with the signaling packets corresponding to the number of re-sending signaling packets to the receiver. [0073] 本发明实施例提供的该基于SCTP的信令重传方法,发送端在独立信令数据包后加入多个验证数据包,对所述独立信令数据包及多个验证数据包进行编号,并将编号后所述独立信令数据包及多个验证数据包按照编号依次向接收端发送,当发送端接收到接收端返回发送的含有相同丢失信令数据包的编号的SACK报文的个数达到预设值,发送端与多个SACK报文内相同丢失信令数据包的编号相对应的信令数据包丢失,并对该信令数据包进行重传,以实现可以对丢失信令数据包及时有效重传。 [0073] The embodiments of the present invention provides the signaling SCTP-based retransmission method, the transmit end a plurality of authentication packet added after separate signaling packets, the signaling data packets and the plurality of independent verification data packets number, and the number after the signaling packets and a plurality of independent data packets sequentially transmitted in accordance with the validation number to the receiving end, when the sender receives contains the same number of lost signaling packets returned by the receiver SACK packets sent the number reaches a preset value, the transmit end a plurality of SACK packets with the same packet loss signaling data ID corresponding to the signaling data packet loss, and retransmits the signaling packets, may be lost in order to achieve signaling data packet retransmission timely and effective. [0074] 与现有SCTP协议中提供的选择性确认和重传机制相比,该方法在独立信令数据包之后增加多个验证数据包,使得数据包的发送密度增加,减小了发送间隔,对于一些信令数据包零散的情况,无需依赖后续信令数据包,也能够比较快速地触发SACK报文。 [0074] Selective Acknowledgment provided in the existing SCTP retransmission protocol and compared, the method increases the authentication packet after the plurality of separate signaling packets, such that the density of the data packet transmission increases, the transmission interval is reduced for some scraps of signaling packets, without relying subsequent signaling packets, it is possible to relatively quickly trigger SACK packet. 因此可以应用于基于SCTP承载的离散孤立的信令交互过程,并且该方法能够在传输质量不佳的情况下,利用SCTP现有机制,自动触发SCTP承载信令的快速重传,从而有效减少信令超时重传等待时间,减少业务建立时延,提升业务建立成功率。 Thus can be applied to discrete isolated carried SCTP signaling interaction process, and the process can be poor transmission quality in the case, the SCTP existing mechanisms, automatically trigger the fast retransmit SCTP signaling bearer, thus effectively reducing the letter make retransmission timeout waiting time, reduce business setup delay, improve the success rate of business establishment. [0075] 另一个实施例:[0076] 在上述方法实施例的基础上,本发明还提供了一种基于SCTP的信令重传装置,如图3所示,该信令重传装置100包括:编号单元1、发送单元2、第一接收单元3、第一判断单元4、确定单元5和重传单元6,在SCTP的信令传输系统中,该信令重传装置作为发送端。 [0075] Another embodiment: [0076] In the above-described basic embodiment of the method, the present invention also provides a signaling SCTP-based retransmission apparatus shown in Figure 3, the signaling apparatus 100 includes a retransmission : No. 1 unit, the transmitting unit 2, the first receiving unit 3, a first determination unit 4, the retransmission determination unit 5 and the means 6, in the SCTP signaling system, the signaling means as a transmitting side retransmits. [0077] 编号单元1,用于在独立信令数据包后加入多个验证数据包,并对独立信令数据包及多个验证数据包进行编号。 [0077] No. 1 unit, the plurality of authentication packet for added after separate signaling packets, and a plurality of separate signaling packets and data packets verification number. [0078] 发送单元2,用于将编号后所述独立信令数据包及多个验证数据包按照编号依次向接收端发送。 [0078] The transmission unit 2, for the rear signaling packets numbered independently and sequentially transmits a plurality of authentication packet to the receiving end in accordance with the number. [0079] 第一接收单元3,用于接收接收端发送的SACK报文,所述SACK报文内携带有丢失信令数据包的编号。 [0079] The first receiving unit 3, a receiver for receiving SACK packets sent by the SACK packet carries the number of signaling packet loss. [0080] 第一判断单元4,用于判断接收到的含有相同丢失信令数据包的编号的SACK报文的个数是否达到预设值。 [0080] The first determining unit 4, a number of SACK packets containing the same number of signaling packets lost determines whether the received reaches a preset value. [0081] 在本发明实施例中,预设值可以选择为三,多个验证数据包的个数为至少三个。 [0081] In an embodiment of the present invention, the preset value may be selected to be three, the number of the plurality of authentication packet is at least three. [0082] 确定单元5,用于当所述第一判断单元4的判断结果为是时,确定与多个所述SACK 报文内丢失信令数据包的编号相对应的信令数据包丢失。 [0082] The determination unit 5, when the first determination unit 4 determines the result is YES, it is determined the loss of a plurality of the SACK packet loss signaling packet number corresponding to the signaling data packets. [0083] 重传单元6,用于将所确定丢失的信令数据包向所述接收端发送。 [0083] retransmission unit 6, for signaling the determined lost packet transmission to the receiving end. [0084] 又一个实施例:[0085] 本发明实施例还提供了一种基于SCTP的信令传输系统,如图4所示,该系统包括: 信令重传装置100和信令接收装置200。 [0084] Yet another embodiment: [0085] embodiment of the present invention further provides a SCTP-based signaling transmission system, shown in Figure 4, the system comprising: retransmitting the signaling and the signaling apparatus 100 receiving apparatus 200 . [0086] 在SCTP的信令传输系统中,该信令重传装置作为发送端,如图2所示,为信令重传装置100的结构示意图,该信令重传装置100包括编号单元1、发送单元2、第一接收单元3、 第一判断单元4、确定单元5和重传单元6。 [0086] SCTP signaling in the transmission system, the signaling means as a transmitting side retransmits, shown in Figure 2, a schematic view of the structure of the signaling device 100 of a retransmission, the apparatus 100 includes a signaling unit retransmission number 1 , transmitting unit 2, the first receiving unit 3, a first determination unit 4, the retransmission determination unit 5 and unit 6. [0087] 编号单元1,用于在独立信令数据包后加入多个验证数据包,并对独立信令数据包及多个验证数据包进行编号。 [0087] No. 1 unit, the plurality of authentication packet for added after separate signaling packets, and a plurality of separate signaling packets and data packets verification number. [0088] 发送单元2,用于将编号后所述独立信令数据包及多个验证数据包按照编号依次向信令接收装置200发送。 [0088] The transmission unit 2, for the rear signaling packets numbered independently and sequentially receives a plurality of authentication packet transmitting apparatus 200 according to a signaling number. [0089] 第一接收单元3,用于接收信令接收装置200发送的SACK报文,所述SACK报文内携带有丢失信令数据包的编号。 [0089] The first receiving unit 3, the receiving apparatus 200 for receiving transmitted signaling SACK packet, the SACK packet carries the number of signaling packet loss. [0090] 第一判断单元4,用于判断接收到的含有相同丢失信令数据包的编号的SACK报文的个数是否达到预设值。 [0090] The first determining unit 4, a number of SACK packets containing the same number of signaling packets lost determines whether the received reaches a preset value. [0091] 在本发明实施例中,预设值可以选择为三,多个验证数据包的个数为至少三个。 [0091] In an embodiment of the present invention, the preset value may be selected to be three, the number of the plurality of authentication packet is at least three. [0092] 确定单元5,用于当所述第一判断单元4的判断结果为是时,确定与多个所述SACK 报文内丢失信令数据包的编号相对应的信令数据包丢失。 [0092] The determination unit 5, when the first determination unit 4 determines the result is YES, it is determined the loss of a plurality of the SACK packet loss signaling packet number corresponding to the signaling data packets. [0093] 重传单元6,用于将所确定丢失的信令数据包向所述信令接收装置200发送。 [0093] retransmission unit 6, for determining the loss of the signaling data packet to the receiving apparatus 200 transmits the signaling. [0094]在SCTP的信令传输系统中,信令接收装置作为接收端,如图3所示,该信令接收装置包括:第二接收单元7、第二判断单元8和SACK报文生成单元9。 [0094] SCTP signaling in the transmission system, a receiving end as a signaling receiving apparatus, shown in Figure 3, the signaling receiving apparatus comprising: a second receiving unit 7, determination unit 8 and the second packet generation unit SACK 9. [0095] 第二接收单元7,用于接收所述信令重传装置100发送的独立信令数据包及多个验证数据包;[0096] 第二判断单元8,用于当每次接收到数据包后,判断接收的独立信令数据包及多个验证数据包的编号是否连续;[0097] SACK报文生成单元9,用于当所述第二判断单元8的判断结果为否时,生成SACK 报文并发送给所述信令重传装置100,所述SACK报文内携带有丢失信令数据包的编号。 [0095] The second receiving unit 7, means for receiving the signaling weight independent signaling packets transmitted authentication data 100 and a plurality of packet transfer; [0096] The second determination unit 8 for receiving each time after the packet number is determined independently of the received signaling packets and data packets to verify whether the plurality of continuous; [0097] SACK packet generating unit 9, a second determination result when the determination unit 8 is NO, generate SACK packet retransmission and sends the signaling apparatus 100, the SACK packet carries the number of signaling packet loss. [0098] 所属领域的技术人员可以清楚地了解到,为描述的方便和简洁,上述描述的系统, 装置和单元的具体工作过程,可以参考前述方法实施例中的对应过程,在此不再赘述。 [0098] Those skilled in the art may clearly understand that, for convenience and brevity of description, specific working process of the foregoing system, apparatus, and unit may refer to the corresponding process in the foregoing method embodiments, not described herein again . [0099] 在本发明所提供的几个实施例中,应该理解到,所揭露的系统,装置和方法,可以通过其它的方式实现。 [0099] The present invention provides several embodiments, it should be understood that the system, apparatus and method disclosed may be implemented in other manners. 例如,以上所描述的装置实施例仅仅是示意性的,例如,所述单元的划分,仅仅为一种逻辑功能划分,实际实现时可以有另外的划分方式,例如多个单元或组件可以结合或者可以集成到另一个系统,或一些特征可以忽略,或不执行。 For example, the described apparatus embodiments are merely illustrative of, for example, the unit division is merely logical function division, there may be other division in actual implementation, for example, a plurality of units or components may be combined or It can be integrated into another system, or some features may be ignored or not performed. 另一点,所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口,装置或单元的间接耦合或通信连接,可以是电性,机械或其它的形式。 Another point, displayed or coupling or direct coupling or communication between interconnected in question may be through some interface, device, or indirect coupling or communication connection unit, may be electrical, mechanical, or other forms. [0100] 所述作为分离部件说明的单元可以是或者也可以不是物理上分开的,作为单元显示的部件可以是或者也可以不是物理单元,即可以位于一个地方,或者也可以分布到多个网络单元上。 [0100] The unit described as separate components may be or may not be physically separate, parts displayed as units may be or may not be physical units, i.e. may be located in one place, or may be distributed to a plurality of networks unit. 可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。 You can select some or all of the units according to actual needs to achieve the object of the solutions of the embodiments. [0101] 另外,在本发明各个实施例中的各功能单元可以集成在一个处理单元中,也可以是各个单元单独物理存在,也可以两个或两个以上单元集成在一个单元中。 [0101] Additionally, functional units may be integrated in various embodiments of the present invention in a processing unit, separate units may be physically present, may be two or more units are integrated into one unit. 上述集成的单元既可以采用硬件的形式实现,也可以采用软件功能单元的形式实现。 The integrated unit may be implemented in the form of hardware, software functional units may also be implemented. [0102] 所述集成的单元如果以软件功能单元的形式实现并作为独立的产品销售或使用时,可以存储在一个计算机可读取存储介质中。 [0102] If the integrated unit is realized as an independent product sold or used in the form of a software functional unit may be stored in a computer-readable storage medium. 基于这样的理解,本发明的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的全部或部分可以以软件产品的形式体现出来,该计算机软件产品存储在一个存储介质中,包括若干指令用以使得一台计算机设备(可以是个人计算机,服务器,或者网络设备等)执行本发明各个实施例所述方法的全部或部分。 Based on such understanding, the technical solutions of the present invention essentially, or the part or all of the technical solutions contributing to the prior art may be embodied in part or in the form of a software product, which computer software product is stored in a storage medium , including several instructions for instructing a computer device (may be a personal computer, a server, or network device) to execute all or part of the methods of the various embodiments of the present invention. 而前述的存储介质包括:u盘、移动硬盘、只读存储器(ROM,Read-Only Memory), 随机存取存储器(RAM, Random Access Memory)、磁碟或者光盘等各种可以存储程序代码的介质。 The storage medium comprises: u disk, removable hard disk, a read only memory (ROM, Read-Only Memory), a random access various memories (RAM, Random Access Memory), a magnetic disk, or an optical medium can store program codes . [0103] 以上所述仅是本发明的优选实施方式,使本领域技术人员能够理解或实现本发明。 [0103] The above are only preferred embodiments of the present invention, enable those skilled in the art to understand or practice the present invention. 对这些实施例的多种修改对本领域的技术人员来说将是显而易见的,本文中所定义的一般原理可以在不脱离本发明的精神或范围的情况下,在其它实施例中实现。 Various modifications to these embodiments to those skilled in the art will be apparent, and the generic principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. 因此,本发明将不会被限制于本文所示的这些实施例,而是要符合与本文所公开的原理和新颖特点相一致的最宽的范围。 Accordingly, the present invention will not be limited to the embodiments shown herein but is to be accorded herein consistent with the principles and novel features disclosed widest scope.

Claims (10)

1.一种基于流控制传输协议SCTP的信令重传方法,其特征在于,包括:在独立信令数据包后加入多个验证数据包,对所述独立信令数据包及多个验证数据包进行编号,并将编号后所述独立信令数据包及多个验证数据包按照编号依次向接收端发送;接收所述接收端发送的选择性确认SACK报文,所述SACK报文内携带有丢失信令数据包的编号,并判断接收到含有相同丢失信令数据包的编号的SACK报文的个数是否达到预设值;当接收到含有相同丢失信令数据包的编号的SACK报文的个数达到预设值时,确定与多个所述SACK报文内相同丢失信令数据包的编号相对应的独立信令数据包丢失;将所确定丢失的独立信令数据包向所述接收端发送。 A method of controlling the flow of signaling a retransmission based transmission protocol SCTP, characterized by comprising: a plurality of authentication packet added after separate signaling packets, the signaling data packets and a plurality of independent verification data packet number, and the number after the signaling packets and a plurality of independent validation data packets sequentially transmitted to the receiving end in accordance with the number; selectively receiving the sender receives acknowledgment SACK packet, the packet carrying the SACK number of losing signaling packet, and determines the ID number of the received packet containing the same signaling loss of SACK packets reaches a preset value; Upon receiving the ID packet containing the same loss of signaling packets SACK when the number of packets reaches a preset value, determined within the same SACK packet loss signaling packet number corresponding to said plurality of independent signaling packet loss; the determined lost packet to the signaling data independent said receiving side transmission.
2.根据权利要求1所述的方法,其特征在于,在每个独立信令数据包之后均加入多个验证数据包。 2. The method according to claim 1, characterized in that, after each individual addition of signaling packets are a plurality of authentication packets.
3.根据权利要求1或2所述的方法,其特征在于,所述验证数据包的个数大于等于所述预设值。 3. The method of claim 1 or claim 2, wherein said verification data packet number is greater than or equal to the predetermined value.
4.根据权利要求1或2所述的方法,其特征在于,所述预设值为三。 4. The method of claim 1 or claim 2, wherein the preset value of three.
5.一种基于流控制传输协议SCTP的信令重传装置,其特征在于,包括:编号单元,用于在独立信令数据包后加入多个验证数据包,并对所述独立信令数据包及多个验证数据包进行编号;发送单元,用于将编号后所述独立信令数据包及多个验证数据包按照编号依次向接收端发送;第一接收单元,用于接收所述接收端发送的选择性确认SACK报文,所述SACK报文内携带有丢失信令数据包的编号;第一判断单元,用于判断接收到含有相同丢失信令数据包的编号的SACK报文的个数是否达到预设值;确定单元,用于当所述第一判断单元的判断结果为是时,确定与多个所述SACK报文内相同丢失信令数据包的编号相对应的信令数据包丢失;重传单元,用于将所确定丢失的信令数据包向所述接收端发送。 5. Based on a signaling stream control transmission protocol SCTP retransmission apparatus, characterized by comprising: a numbering unit for adding a plurality of data packets in the independent validation signaling packets, and the signaling data independent and a plurality of authentication packet numbering data packets; transmitting means for the rear signaling packets numbered independently and sequentially transmits a plurality of authentication packet ID according to the receiving end; a first receiving means for receiving said receiving sends selective acknowledgment SACK packet, the SACK packet carries the number of losing signaling packets; a first judging unit for judging whether the received SACK packets containing the same number of lost data packets of the signaling whether the number reaches a preset value; determining means, when the first determination means determines the result is YES, the SACK determining a plurality of packet loss within the same signaling packets corresponding to the number of signaling packet loss; retransmitting unit, for signaling the determined lost packet transmission to the receiving end.
6.根据权利要求5所述的装置,其特征在于,所述验证数据包的个数大于等于所述预设值。 6. The apparatus according to claim 5, wherein said verification data packet number is greater than or equal to the predetermined value.
7.根据权利要求5所述的装置,其特征在于,所述预设值为三。 7. The apparatus as claimed in claim 5, wherein the preset value of three.
8.一种基于流控制传输协议SCTP的信令传输系统,其特征在于,包括:信令重传装置和信令接收装置,其中:所述信令重传装置包括:编号单元,用于在独立信令数据包后加入多个验证数据包,并对所述独立信令数据包及多个验证数据包进行编号;发送单元,用于将编号后所述独立信令数据包及多个验证数据包按照编号依次向信令接收装置发送;第一接收单元,用于接收所述信令接收装置发送的选择性确认SACK报文,所述SACK报文内携带有丢失信令数据包的编号;第一判断单元,用于判断接收到含有相同丢失信令数据包的编号的SACK报文的个数是否达到预设值;确定单元,用于当所述第一判断单元的判断结果为是时,确定与多个所述SACK报文内相同丢失信令数据包的编号相对应的独立信令数据包丢失;重传单元,用于将所确定丢失的独立信令数据包向所述信令 A signaling system stream control transmission protocol SCTP-based, characterized by comprising: retransmitting the signaling means and the signaling receiving apparatus, wherein: retransmitting the signaling means comprising: a numbering unit, for independent signaling packet after adding a plurality of authentication packet, and the signaling data packets and the plurality of independent verification numbered packets; transmitting means for converting the number after the signaling packets and a plurality of independent verification sequentially receiving packet data transmission apparatus according to a signaling number; a first receiving means for selectively receiving the signaling receiving apparatus transmits acknowledgment SACK packet, the SACK packet carries the number of signaling packets lost ; first determination means for determining the number of packets received SACK containing the same number of lost packets of signaling data reaches a preset value; determining means, when the first determination means determines the result is YES when said determining a plurality of the same inner SACK packet loss signaling packets corresponding to the number of independent signaling packet loss; retransmitting unit, for determining the missing data packet to the separate signaling channel make 接收装置发送;所述信令接收装置包括:第二接收单元,用于接收所述信令重传装置发送的独立信令数据包及多个验证数据包;第二判断单元,用于当每次接收到数据包后,判断接收的独立信令数据包及多个验证数据包的编号是否连续;SACK报文生成单元,用于当所述第二判断单元的判断结果为否时,生成SACK报文并发送给所述信令重传装置,所述SACK报文内携带有丢失信令数据包的编号。 Receiving means for transmitting; receiving said signaling means comprising: a second receiving means, for independently receiving the signaling data packet retransmission means for transmitting signaling and a plurality of authentication packet; second determination means for, when each after receiving the data packet times, independently determining the received signaling packets and data packets of the plurality of authentication numbers are continuous; SACK packet generating unit for, when the judgment result of the second judging unit is NO, to generate SACK signaling packets transmitted to said retransmission means within the SACK packet carries a signaling data packet lost number.
9.根据权利要求8所述的系统,其特征在于,所述验证数据包的个数大于等于所述预设值。 9. The system of claim 8, wherein the verification number is greater than the data packet is equal to the preset value.
10.根据权利要求8所述的系统,其特征在于,所述预设值为三。 10. The system according to claim 8, wherein the preset value of three.
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CN102801606B (en) * 2012-02-24 2015-09-02 华北电力大学 A kind of SCTP main path automatic switching method
CN103475454B (en) * 2012-09-17 2017-01-11 英特尔公司 Method and device for accessing base station in communication system with selection confirming mechanism
CN104104475B (en) * 2013-04-02 2018-05-29 安凯(广州)微电子技术有限公司 A kind of generation method of answer signal, method of reseptance and device
CN106455133B (en) * 2016-10-31 2019-11-29 华为技术有限公司 A kind of link keeping method and user equipment

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101087244A (en) 2006-06-07 2007-12-12 华为技术有限公司 An implementation method for congestion control in stream control transmission
CN101465719A (en) 2008-12-30 2009-06-24 华为技术有限公司 Data retransmission method and device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7460472B2 (en) * 2003-07-25 2008-12-02 Nokia Corporation System and method for transmitting information in a communication network
WO2006109105A1 (en) * 2005-04-12 2006-10-19 Stmicroelectronics S.R.L. Method and system for controlling transmission of multicast packets over a local area network, related network and computer program product therefor
CN101895466B (en) * 2010-07-02 2013-03-20 北京交通大学 Method for reducing influence of data packet disorder on SCTP multipath transmission

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101087244A (en) 2006-06-07 2007-12-12 华为技术有限公司 An implementation method for congestion control in stream control transmission
CN101465719A (en) 2008-12-30 2009-06-24 华为技术有限公司 Data retransmission method and device

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