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    • 5. 发明申请
    • MULTICAST DELIVERY
    • 多媒体传送
    • US20090207839A1
    • 2009-08-20
    • US12303211
    • 2007-06-01
    • Mats CedervallRené DekkerJoacim HalénIgnacio Más IvarsFredrik Persson
    • Mats CedervallRené DekkerJoacim HalénIgnacio Más IvarsFredrik Persson
    • H04L12/56
    • H04L67/06H04L12/18H04L67/28H04L67/2842H04L67/325H04N21/26616H04N21/2665H04N21/2668H04N21/6125H04N21/6405H04N21/6408
    • A method and nodes in a communication network for controlling multi-cast delivery of files, wherein the multi-cast delivery is adapted to reduce the amount of required uni-cast file deliveries in the communication network. A browser of an IPTV Terminating Function requiring a file interrogates a cache of the IFT for the file content before a uni-cast request for file delivery is sent to an Application Service Platform. The files stored in the cache have been previously delivered to the IFT via the proposed multi-cast mechanism. If the file content is not stored in the cache, a uni-cast request is sent to the ASP. Each uni-cast request is also forwarded to a Multi-Cast Controller, which determines whether the requested file should be sent also to a plurality of additional IFTs on a multi-cast channel. At each IFT, listening to the multi-cast channel, the received content can be handled selectively according to a filtering mechanism, and a received file may, e.g. be stored in the cache for later retrieval.
    • 用于控制文件的多播传送的通信网络中的方法和节点,其中所述多播传送适于减少所述通信网络中所需的单播文件传送量。 要求文件的IPTV终止功能的浏览器在将文件传送的单播请求发送到应用服务平台之前询问文件内容的IFT的高速缓存。 先前通过提出的多播机制将存储在缓存中的文件传送到IFT。 如果文件内容未存储在缓存中,则会将单播请求发送到ASP。 每个单播请求也被转发到多播控制器,多控制控制器确定所请求的文件是否也应发送到多播信道上的多个附加IFT。 在每个IFT,监听多播信道,可以根据过滤机制选择性地处理所接收的内容,并且所接收的文件可以是例如。 存储在缓存中以供以后检索。
    • 6. 发明授权
    • Arrangement and method of execution of code
    • 代码执行的安排和方法
    • US07370211B2
    • 2008-05-06
    • US10490227
    • 2001-09-21
    • Tom RindborgJoacim Halén
    • Tom RindborgJoacim Halén
    • H04L9/32G06F12/14G06F11/30
    • G06F21/52G06F21/123G06F21/567
    • The present invention relates to systems (1) and a method for executing code. According to the method a non-critical code portion is executed on a computer (3). When an application (5) on the computer detects a critical code portion to be executed, the application sends a request to a secure execution unit (4) connected to the computer to execute the critical code portion. The secure execution unit (4) executes the critical code portion in response to the request. Thereafter the secure execution unit authenticates the result of the execution of the critical code portion using a secret key (7). The authentication allows for another party (2) to verify that the execution was carried out in a trusted way. An advantage of the present invention is that it provides a reliable execution environment that can be trusted to execute critical code.
    • 本发明涉及系统(1)和执行代码的方法。 根据该方法,在计算机(3)上执行非关键代码部分。 当计算机上的应用程序(5)检测到要执行的关键代码部分时,应用程序向连接到计算机的安全执行单元(4)发送请求以执行关键代码部分。 安全执行单元(4)响应于该请求执行关键代码部分。 此后,安全执行单元使用秘密密钥(7)来验证关键代码部分的执行结果。 认证允许另一方(2)验证执行是以受信任的方式执行的。 本发明的一个优点在于它提供了一个可信任的执行关键代码的可靠的执行环境。
    • 10. 发明授权
    • Arrangements and methods in an access system
    • 访问系统中的安排和方法
    • US07711824B2
    • 2010-05-04
    • US10503184
    • 2003-01-07
    • Ingmar TönnbyUlf LarssonTom RindborgJoacim HalénEric HjelmestamEgbert-Jan Sol
    • Ingmar TönnbyUlf LarssonTom RindborgJoacim HalénEric HjelmestamEgbert-Jan Sol
    • G06F15/16G06F15/173
    • H04L61/2015H04L12/185H04L12/2861H04L12/287H04L12/4645H04L12/467H04L29/12018H04L29/12839H04L41/046H04L61/10H04L61/6022
    • An access system (ACC1) for relating service providers (SP1-SPn) to users (U11-Um1) includes an edge access server (EAS) connecting the service providers and penults (P1-Pk) connecting the users. User devices (UD11-UD14) are connected via VLAN:s to a user ports (UP11) on the penult. The edge access server has service agents (SA1-SAn), an administrator (AD1) and a broadcast handler (BH1), which forms a handling system together with handlers (H1-Hk) in the penults. A user (U11) decision including VLAN, service (SP1) and user port (UP11) is sent to the administrator (AD1), which dynamically allocates to the relevant service agent (SA1) a MAC address, defining a relation (R11). A user device (UD11) broadcasts a DHCP request unicasted together with user port (UP11) to the braoadcast handler (BH1). The user device (UD11) gets its IP address and IP address to the service agent (SA1). The device (UD11) broadcasts an ARP request which is unicasted by the penult (P1), to get the MAC address to the service agent (SA1). The relations (R11, R21) are secure and can easily be controled.
    • 用于使用户(U11-Um1)将服务提供商(SP1-SPn)相关联的接入系统(ACC1)包括连接用户的服务提供商和连接用户(P1-Pk)的边缘接入服务器(EAS)。 用户设备(UD11-UD14)通过VLAN:s连接到用户端口(UP11)。 边缘访问服务器具有服务代理(SA1-SAn),管理员(AD1)和广播处理程序(BH1),它们与处理程序(H1-Hk)一起形成处理系统。 向管理员(AD1)发送包括VLAN,服务(SP1)和用户端口(UP11)的用户(U11)决定(AD1),动态地向相关服务代理(SA1)分配定义关系(R11)的MAC地址。 用户设备(UD11)将广播与用户端口(UP11)一起的DHCP请求广播到音乐播放处理器(BH1)。 用户设备(UD11)获取其IP地址和IP地址给服务代理(SA1)。 设备(UD11)广播一个由pingult(P1)单播的ARP请求,以获取服务代理(SA1)的MAC地址。 关系(R11,R21)是安全的,可以很容易地被控制。