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1. 发明公开

EP2887621A1 Method and apparatus for cross-stratum path computation in a network 有权
标题翻译： Netzwerk的Verfahren und VorrichtungfürschichtenübergreifendePfadberechnung
公开(公告)号：EP2887621A1
公开(公告)日：2015-06-24
申请号：EP13382547.1
申请日：2013-12-23
申请人： Telefonica S.A.
发明人： Lopez Alvarez, Victor , Contreras Murillo, Luis Miguel , R. López, Diego
IPC分类号： H04L29/08 , H04L12/715 , G06F9/50
CPC分类号： H04L45/14 , H04L45/42 , H04L45/64 , H04L69/321
摘要： The method comprising receiving, an ALTO server at a network layer, a request from an ALTO client at an application layer to obtain network cost for a connection; computing, the cost information concerning PIDs stored in the ALTO server and adapting, by a request controller, the computed cost information to an ALTO information further sending it to the ALTO server and the latter to said ALTO client; receiving, by a provisioning server, a request from a provisioning client to compute a path for setting up a connection between said PIDs and transmitting said request to a provisioning controller; mapping, the provisioning controller, said received request from the provisioning server into network addresses and computing said path according to said network addresses; and comparing, a network cost of the computed path with a cost information previously stored by the request controller in a request database.
摘要翻译：该方法包括在网络层接收来自ALTO客户端在应用层的请求以获得连接的网络成本; 计算存储在ALTO服务器中的PID的成本信息，并由请求控制器将所计算的成本信息适配为ALTO信息，进一步将其发送到ALTO服务器，而将ALTI服务器发送给所述ALTO客户端; 由供应服务器接收来自供应客户端的请求以计算用于建立所述PID之间的连接并将所述请求发送到供应控制器的路径; 映射，所述供应控制器，从所述供应服务器将所述接收到的请求视为网络地址，并根据所述网络地址来计算所述路径; 以及将计算出的路径的网络成本与请求控制器先前存储在请求数据库中的成本信息进行比较。

2. 发明授权

EP2887621B1 Method and apparatus for cross-stratum path computation in a network 有权
标题翻译：用于在网络中跨层路径计算方法和装置
公开(公告)号：EP2887621B1
公开(公告)日：2016-06-22
申请号：EP13382547.1
申请日：2013-12-23
申请人： Telefonica S.A.
发明人： Lopez Alvarez, Victor , Contreras Murillo, Luis Miguel , R. López, Diego
IPC分类号： H04L29/08 , H04L12/715 , G06F9/50
CPC分类号： H04L45/14 , H04L45/42 , H04L45/64 , H04L69/321

3. 发明公开

EP2770431A1 System and method to trigger cross-layer optimizations in a network 有权
标题翻译：系统和方法，用于在网络中跨层优化的触发
公开(公告)号：EP2770431A1
公开(公告)日：2014-08-27
申请号：EP13382056.3
申请日：2013-02-25
申请人： Telefonica S.A.
发明人： Lopez Alvarez, Victor , Contreras Murillo, Luis Miguel , Azañón Teruel, Amanda
IPC分类号： G06F9/50 , H04L29/08 , H04L12/24
CPC分类号： H04L41/5067 , H04L41/0823 , H04L41/5096 , H04L43/0811
摘要： The system comprising an application Cross Stratum Optimization, CSO, gateway, ACG, coupled to an application layer that configures and monitors a plurality of Data Center Elements storing computing resources; a network CSO gateway coupled to a network layer that configures and monitors a plurality of Network Elements and to receive requests from said ACG to configure connections, wherein the system further includes a Client entity coupled in an already deployed Network Element or in a Data Center Element configured to monitor a segment of the network where said Client entity is found; an IT-Aware Network Controller coupled to said network layer configured to run operations in and from the network regarding information of said monitored network information and of said Data Center Elements; and interfaces coupling the different elements of the system allowing the interconnection and communication between them.
The method of the invention is intended to be implemented by the system of the invention.

4. 发明授权

EP2770431B1 System and method to trigger cross-layer optimizations in a network 有权
标题翻译：系统和Verfahren zurAuslösungvon跨层优化在einem Netzwerk
公开(公告)号：EP2770431B1
公开(公告)日：2017-01-04
申请号：EP13382056.3
申请日：2013-02-25
申请人： Telefonica S.A.
发明人： Lopez Alvarez, Victor , Contreras Murillo, Luis Miguel , Azañón Teruel, Amanda
IPC分类号： G06F9/50 , H04L29/08 , H04L12/24 , H04L12/26
CPC分类号： H04L41/5067 , H04L41/0823 , H04L41/5096 , H04L43/0811

5. 发明公开

EP2854351A1 Method and system for restoring and recovering traffic in multi-layer communication networks after two or more failures and virtual controller device 审中-公开
标题翻译：根据两个或更多个故障和虚拟控制装置的方法和系统恢复和流量的恢复在多层通信网络
公开(公告)号：EP2854351A1
公开(公告)日：2015-04-01
申请号：EP13382378.1
申请日：2013-09-30
申请人： Telefonica S.A.
发明人： Gonzalez de Dios, Oscar , Lopez Alvarez, Victor , Muñoz del Nuevo, Fernando
IPC分类号： H04L12/715 , H04L12/703
CPC分类号： H04L45/28 , H04L45/50 , H04L45/64
摘要： The method in order to recover said traffic from a second failure uses at least one virtual controller device for establishing, for a selected pair of upper layer nodes of a network, an alternative path through a lower layer of said network for conducting traffic, and for deleting selected paths through the lower layer, said at least one virtual controller device obtaining transport network information provided by a transport layer computation entity computing the feasibility of a new link between said pair of layer nodes using said transport network.
The system implements the method of the invention.
摘要翻译：在顺序方式恢复所述业务从第二故障使用至少一个虚拟控制器设备，用于通过所述网络的下层建立，针对所选择的一对网络的上层节点，到备选路径用于进行通信，和用于通过下层删除选择的路径，所述至少一个虚拟控制器设备获取由传送层计算实体计算所述一对使用所述传送网络层节点之间的新链路的可行性提供交通网络的信息。该系统实现了本发明的方法。

6. 发明公开

EP2757747A1 Method and system for pre-reservation timer adaptation in PCE based networks 审中-公开
标题翻译：在PCE-basierten Netzwerken的Verfahren und System zur Vorreservierung der Timer-Anpassung
公开(公告)号：EP2757747A1
公开(公告)日：2014-07-23
申请号：EP13382018.3
申请日：2013-01-18
申请人： Telefonica S.A.
发明人： Lopez Alvarez, Victor
IPC分类号： H04L12/717
CPC分类号： H04Q11/0003 , H04L45/42
摘要： The method updating the status of a network by means of a protocol of the control plane of said network and in response to a path request from at least a path computation client (PCC) pre-reserving during a reserved period of time (T res ), by at least one path computation element (PCE), a plurality of network resources in at least one traffic engineering database (TED) of the at least one PCE. The method dynamically modifying by a timer policy said reserved period of time (T res ) by at least using information data regarding the delay of said control plane.
The system of the invention is adapted to implement the method of the invention.
摘要翻译：该方法通过所述网络的控制平面的协议并且响应于在预留时间段（T res）期间预先保留的至少路径计算客户端（PCC）的路径请求来更新网络的状态，通过至少一个路径计算元件（PCE），至少一个PCE的至少一个流量工程数据库（TED）中的多个网络资源。通过至少使用关于所述控制平面的延迟的信息数据，由定时器策略动态修改所述保留时间段（T res）的方法。本发明的系统适用于实现本发明的方法。

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