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    • 3. 发明申请
    • ADMISSION CONTROL IN A TELECOMMUNICATION NETWORK
    • 电信网络中的接入控制
    • WO2006069606A1
    • 2006-07-06
    • PCT/EP2004/053734
    • 2004-12-30
    • TELECOM ITALIA S.p.A.SASSI, MassimoGAROFALO, AngeloFAURE RAGANI, AlessandroAIELLO, Alessandro MicheleVERCELLONE, Vinicio
    • SASSI, MassimoGAROFALO, AngeloFAURE RAGANI, AlessandroAIELLO, Alessandro MicheleVERCELLONE, Vinicio
    • H04L12/56
    • H04L47/20H04L12/4633H04L12/66H04L47/15H04L47/70H04L47/782H04L47/822H04L47/825H04L47/829
    • A method and system for performing admission control in a packet-based telecommunication network (10) is disclosed. The network (10) includes a backbone network (12) coupled between at least two access networks (14, 16). When a first user on a first access network (14) wants to communicate with a second user located on a different access network (16), a request is made to a quality server (42) whether network resources are available. The quality server (42) separately monitors both access networks (14, 16) ad the backbone network (12) and determines whether network resources are available to satisfy the request. In one embodiment, a two-tier approach is used wherein a coordinator module (70) interacts with an admission control subsystem (72) including a plurality of subsystem modules (74. Each admission control subsystem module (74) is responsible for monitoring a part of the network, such as one access network or a backbone network. The coordinator module (70) determines which subsystem modules (74) are associated with the user request and interrogates such subsystem modules as to resource availability. Each subsystem module (74) makes a determination whether the user request can be satisfied for its respective network portion and returns a positive or negative response to the coordinator module (70) based on the network capacity. The coordinator module (70) then responds to the user request with the appropriate response.
    • 公开了一种用于在基于分组的电信网络(10)中执行准入控制的方法和系统。 网络(10)包括耦合在至少两个接入网络(14,16)之间的骨干网络(12)。 当第一接入网络(14)上的第一用户想要与位于不同接入网络(16)上的第二用户通信时,向质量服务器(42)询问网络资源是否可用。 质量服务器(42)分别监视与骨干网络(12)的接入网络(14,16),并确定网络资源是否可用于满足该请求。 在一个实施例中,使用双层方法,其中协调器模块(70)与包括多个子系统模块(74.)的准入控制子系统(72)交互。每个准入控制子系统模块(74)负责监视零件 协调器模块(70)确定哪个子模块(74)与用户请求相关联,并且询问这些子模块关于资源可用性,每个子系统模块(74)使得 确定用户请求是否可以满足其各自的网络部分,并且基于网络容量向协调器模块(70)返回肯定或否定的响应,然后协调器模块(70)以适当的响应对用户请求进行响应 。
    • 4. 发明申请
    • METHOD AND SYSTEM FOR SCHEDULING SYNCHRONOUS AND ASYNCHRONOUS DATA PACKETS OVER THE SAME NETWORK
    • 在同一网络上调度同步和异步数据包的方法和系统
    • WO2005104452A1
    • 2005-11-03
    • PCT/EP2004/004379
    • 2004-04-26
    • TELECOM ITALIA S.P.A.LENZINI, LucianoMINGOZZI, EnzoSASSI, MassimoSCARRONE, EnricoSTEA, GiovanniVERCELLONE, Vinicio
    • LENZINI, LucianoMINGOZZI, EnzoSASSI, MassimoSCARRONE, EnricoSTEA, GiovanniVERCELLONE, Vinicio
    • H04L12/56
    • H04L47/6215H04L47/10H04L47/2408H04L47/2416H04L47/245H04L47/283H04L47/50H04L47/521H04L47/522H04L47/562
    • A system for scheduling utilization of a service resource by a plurality of flows (SF, AF) of information packets, wherein the flows include rate­-guaranteed synchronous flows (SF) and best-effort asynchronous flows (AF), the asynchronous flows (AF) exploiting the service capacity of the resource left unexploited by the synchronous flows (SF). A server (S) visits the flows (SF, AF) in subsequent rounds, by visiting first the synchronous flows (SF) followed by the asynchronous flows (AF) . The server (S) is configured for detecting any backlogged synchronous flow, and when the server (S) visits any said backlogged synchronous flow, it allows the backlogged synchronous flow to utilize the resource for a given time, whereby the synchronous flows (SF) have a guaranteed transmission window on each round. When the server (S) visits any asynchronous flow (AF), the time elapsed since the last visit by the server (S) to the same asynchronous flow (AF) is determined, and:- i) if the visit to the asynchronous flow (AF) occurs later than expected based on a reference round time (TTRT), the asynchronous flow (AF) being visited is restrained from utilizing the resource for the ongoing round, - ii) if the visit occurs earlier than expected based on the reference round time (TTRT), the asynchronous flow (AF) being visited is allowed to utilize the resource for a respective given time. The respective given time in question is a function of the earliness of the server visit, whereby that function regulates the exploitation by each asynchronous flow (AF) of the service capacity of the resource left unexploited by the synchronous flows (SF).
    • 一种用于通过信息分组的多个流(SF,AF)调度对服务资源的利用的系统,其中所述流包括速率保证同步流(SF)和尽力而为异步流(AF),异步流(AF )利用同步流(SF)未被利用的资源的服务容量。 服务器(S)在后续回合中访问流(SF,AF),首先访问同步流(SF),然后访问异步流(AF)。 服务器(S)被配置为检测任何积压的同步流,并且当服务器(S)访问任何所述积压的同步流时,其允许积压的同步流在给定时间内利用资源,由此同步流(SF) 每轮都有保证的传输窗口。 当服务器(S)访问任何异步流(AF)时,确定从服务器(S)上次访问到同一个异步流(AF)以来经过的时间,并且: - i)如果访问异步流 (AF)基于参考循环时间(TTRT)发生晚于预期,被访问的异步流(AF)被限制于利用正在进行的循环的资源, - ii)如果访问比基于参考的早于预期的发生 轮流时间(TTRT),被访问的异步流(AF)被允许在相应的给定时间内利用资源。 相应的给定时间是服务器访问的早期的函数,由此该功能调节每个异步流(AF)利用由同步流(SF)未被利用的资源的服务容量的利用。