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1. 发明申请

US20040184408A1 Ethernet architecture with data packet encapsulation 失效
标题翻译：具有数据包封装的以太网架构
公开(公告)号：US20040184408A1
公开(公告)日：2004-09-23
申请号：US10394482
申请日：2003-03-22
申请人： SBC Properties, L.P.
发明人： Kuo-Hui Liu , Cheng-Hong Hu , Chin Yuan , Chou Lan Pok
IPC分类号： H04L001/00
CPC分类号： H04L12/4633 , H04L29/12839 , H04L61/6022 , H04L2212/00
摘要： The present disclosure is generally directed to systems and methods associated with data communications. In a particular embodiment, a method of encapsulating data packets for use in a distributed computer network is disclosed. The method includes providing a data packet for transmission over the distributed computer network, the data packet selected from one of a customer data packet and an OAM data packet; and encapsulating the data packet with a medium access control outer packet. In another embodiment, a data packet handling method is disclosed. The data packet handling method includes receiving a data packet from a customer facing data port, the customer facing data port within a network node of a computer network; performing medium access control (MAC) learning for the received packet; determining whether the data port is a MAC-in-MAC port; performing a packet mapping to a destination address based on a service provider destination address; and encapsulating the received data packet with a header associated with the service provider.
摘要翻译：本公开通常涉及与数据通信相关联的系统和方法。在特定实施例中，公开了一种封装用于分布式计算机网络中的数据分组的方法。该方法包括：提供用于在分布式计算机网络上传输的数据分组，从客户数据分组和OAM数据分组之一中选择的数据分组; 并用介质访问控制外包封装数据包。在另一个实施例中，公开了一种数据分组处理方法。数据分组处理方法包括从面向客户的数据端口接收来自计算机网络的网络节点内的面向客户的数据端口的数据分组; 对接收到的分组执行媒体访问控制（MAC）学习; 确定数据端口是否是MAC-in-MAC端口; 基于服务提供商目的地地址执行到目的地地址的分组映射; 并且用与服务提供商相关联的头部封装所接收的数据分组。

2. 发明申请

US20040165592A1 Extended virtual user-to-network interface with ATM network 失效
标题翻译：扩展虚拟用户到网络接口与ATM网络
公开(公告)号：US20040165592A1
公开(公告)日：2004-08-26
申请号：US10369505
申请日：2003-02-21
申请人： SBC Properties, L.P.
发明人： Wenge Chen , Peter Chou , Kuo-Hui Liu , Michael P. Sinwald , Shih Chung Soon
IPC分类号： H04L012/56
CPC分类号： H04L12/2856 , H04L12/2883 , H04L12/5601 , H04L49/253 , H04L2012/5614 , H04L2012/563
摘要： An SVC is established via an ATM switch port, which includes multiple virtual paths (VPs), by associating multiple virtual user-to-network interfaces (UNIs) to each of the VPs. Each of the VPs includes multiple virtual circuit (VC) ranges, each of which corresponds to a different virtual UNI. Each VC range includes at least one VC for control and at least one VC for data transfer. Associating the virtual UNIs to each of the VPs includes mapping each virtual UNI to a corresponding VC range within a VP based on a virtual path index (VPI)/virtual channel index (VCI) of the virtual UNI initially received by the ATM switch port.
摘要翻译：通过将多个虚拟用户到网络接口（UNI）与每个VP相关联，通过ATM交换机端口建立SVC，其包括多个虚拟路径（VP）。每个VP包括多个虚拟电路（VC）范围，每个虚拟电路范围对应于不同的虚拟UNI。每个VC范围包括用于控制的至少一个VC和用于数据传输的至少一个VC。将虚拟UNI与每个VP相关联包括基于最初由ATM交换机端口接收的虚拟UNI的虚拟路径索引（VPI）/虚拟信道索引（VCI）将每个虚拟UNI映射到VP内的相应VC范围。

3. 发明申请

US20040085968A1 Peer to peer SVC-based DSL service 失效
标题翻译：对等SVC DSL业务
公开(公告)号：US20040085968A1
公开(公告)日：2004-05-06
申请号：US10286786
申请日：2002-11-04
申请人： SBC PROPERTIES, L.P.
发明人： Wenge Chen , Peter Chou , Kuo-Hui Liu , Michael P. Sinwald , Shih-Chung Soon
IPC分类号： H04L012/28
CPC分类号： H04L12/5601 , H04L2012/563
摘要： A subscriber dynamically establishes a peer-to-peer session from a source subscriber to a destination subscriber across a switched virtual circuit (SVC). A signaling (control) connection is established from the source subscriber to a server, and a connection request is sent via the signaling (control) connection to the server requesting establishment of the SVC to the destination subscriber. In response, a database is queried for information about a source switch associated with the source subscriber and a destination switch associated with the destination subscriber. Subsequently, the connection request is forwarded to a proxy signaling agent, and the proxy signaling agent signals the source switch and the destination switch to dynamically establish the SVC connection from the source switch to the destination switch. This abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way.
摘要翻译：用户通过交换虚拟电路（SVC）动态地建立从源用户到目的用户的对等会话。从源用户到服务器建立信令（控制）连接，并且通过信令（控制）连接将请求建立到服务器的请求建立到目的用户的服务器发送到服务器。作为响应，查询数据库以获得关于与源订户相关联的源交换机和与目的地订户相关联的目的地交换机的信息。随后，将连接请求转发给代理信令代理，代理信令代理信令源交换机和目的交换机动态建立从源交换机到目的交换机的SVC连接。该摘要既不旨在限定本说明书中公开的发明，也不旨在以任何方式限制本发明的范围。

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