Abstract:
Provided is a method of establishing a user centric virtual network. The method includes: performing a first tunneling operation between a first tunnel end and an address translation device, which are connected to a first private network, and a tunnel relay device; performing a second tunneling operation between a second tunnel end and an address translation device, which are connected to a second private network, and the tunnel relay device; and performing a third tunneling operation between the tunnel relay device and an end client, wherein a virtual IP is allocated to each of the first and second tunnel ends, the address translation devices, the end client, and the tunnel relay device; and each of the first to third tunneling operations connects routing information on the virtual IP to a corresponding tunnel.
Abstract:
The present invention relates to a method and apparatus for performing IPv6 over IPv4 transition to improve performance of a control server. When an edge router selected by the control server according to a tunnel creation request of an IPv6 terminal receives a tunnel creation request message from the control server, the edge router transmits a tunnel creation response message for the received tunnel creation request message to the IPv6 terminal through the control server, and the edge router performs IPv6 over IPv4 transition through a tunnel created by the IPv6 terminal that received the tunnel creation response message so as to improve the performance of the control server. Therefore, loads of the control server occurred because all terminals set control tunnels to the control server can be prevented, and service extensibility due to the increase in the number of subscribers can be guaranteed.
Abstract translation:本发明涉及一种用于执行IPv6 over IPv4转换的方法和装置,以改善控制服务器的性能。 当控制服务器根据IPv6终端的隧道创建请求选择的边缘路由器从控制服务器接收到隧道创建请求消息时,边缘路由器向IPv6终端发送接收到的隧道创建请求消息的隧道创建响应消息 通过控制服务器,边缘路由器通过接收隧道创建响应消息的IPv6终端创建的隧道进行IPv6 over IPv4转换,以提高控制服务器的性能。 因此,控制服务器的负载发生是因为可以防止所有终端设置到控制服务器的控制隧道,并且可以保证由于订户数量的增加而导致的业务可扩展性。
Abstract:
The present invention relates to a method and apparatus for performing IPv6 over IPv4 transition to improve performance of a control server. When an edge router selected by the control server according to a tunnel creation request of an IPv6 terminal receives a tunnel creation request message from the control server, the edge router transmits a tunnel creation response message for the received tunnel creation request message to the IPv6 terminal through the control server, and the edge router performs IPv6 over IPv4 transition through a tunnel created by the IPv6 terminal that received the tunnel creation response message so as to improve the performance of the control server. Therefore, loads of the control server occurred because all terminals set control tunnels to the control server can be prevented, and service extensibility due to the increase in the number of subscribers can be guaranteed.
Abstract translation:本发明涉及一种用于执行IPv6 over IPv4转换的方法和装置,以改善控制服务器的性能。 当控制服务器根据IPv6终端的隧道创建请求选择的边缘路由器从控制服务器接收到隧道创建请求消息时,边缘路由器向IPv6终端发送接收到的隧道创建请求消息的隧道创建响应消息 通过控制服务器,边缘路由器通过接收隧道创建响应消息的IPv6终端创建的隧道进行IPv6 over IPv4转换,以提高控制服务器的性能。 因此,控制服务器的负载发生是因为可以防止所有终端设置到控制服务器的控制隧道,并且可以保证由于订户数量的增加而导致的业务可扩展性。
Abstract:
The invention relates to a method and an apparatus for controlling seamless handover between heterogeneous networks based on IPv6 over IPv4 tunneling. When IPv6 service is provided using tunneling in an IPv4 based network environment, handover of a mobile terminal between different networks is achieved through switching of an active tunnel and a standby tunnel, and thus handover between different networks is facilitated and data loss is prevented to secure continuity of service provided to the mobile terminal even when the mobile terminal hands over to a heterogeneous network.
Abstract translation:本发明涉及一种基于IPv6 over IPv4隧道来控制异构网络间的无缝切换的方法和装置。 当在基于IPv4的网络环境中使用隧道提供IPv6服务时,通过主动隧道和备用隧道的切换实现移动终端在不同网络之间的切换,从而促进不同网络之间的切换,防止数据丢失 即使当移动终端转移到异构网络时,也提供给移动终端的服务的连续性。
Abstract:
A method for configuring a closed user network (CUN) using an IP tunneling mechanism and a CUN system are disclosed. In particular, disclosed is a technique of establishing a tunnel between a tunnel end edge device (TEED) and a control server by using an IP tunneling mechanism to allow terminals connected to the TEED to perform communications by using a closed IP, enabling the TEED to provide a network address translation (NAT) function so that the TEED can perform data forwarding like a general NAT, without performing tunneling on a destination IP outside the closed IP section, to perform communication, and allowing a terminal located in an area where the TEED is not provided to directly establish a tunnel with the control server by using a client software to thereby perform communications with a terminal or a server connected to the TEED by using the closed IP.
Abstract:
An apparatus and method for supporting a portable mobile VPN service are provided. The method accesses a public network to generate a security tunnel, maps the generated security tunnel and a VPN address, stands by for authentication of a mobile terminal which desires to access a VPN, authenticates a mobile terminal which desires to access the VPN, and assigns an internal address which is used in the VPN according to the authentication result.
Abstract:
A tunneling-based mobility support method and apparatus is provided which supports a mobility of a mobile node in a heterogeneous network regardless of IP versions (IPv4/IPv6). The mobility support apparatus includes a load balancer, a plurality of mobility support servers, and a plurality of end routers each being TCP connected to each of the mobility support servers. When receiving a tunnel establishment request message from the mobile node, the load balancer selects one mobility supports server from a plurality of mobility support servers to control a mobility service for the mobile node. The selected mobility support server selects a plurality of tunnel end addresses of one end router from the plurality of end routers to establish an IP tunnel with the mobile node according to a predetermined criterion, forwards the tunnel establishment request message to the end router, and sends the mobile node a tunnel establishment response message including the tunnel end address of the selected end router.
Abstract:
A security method in a server-based mobile IP system is provided. Specifically, in the security method, general data is securely exchanged in addition to a control message that is exchanged between a mobile node and a server or between mobile nodes. Specifically, provided is a method of securely exchanging data by using a mobile node including an mPAK execution module generating necessary keys by exchanging key information with the server while performing a mutual authentication process and negotiating the security policy; and a security module setting a security policy that is negotiated with the corresponding node and applying the security policy to data according to the set security policy when transmitting the data.
Abstract:
A method for providing a service of downloading stereoscopic image data including first image data and second image data in a digital broadcasting system includes: generating information regarding a file name of each of the first image data and the second image data; and transmitting the first image data, the information regarding the file name of the first image data, the second image data, and the information regarding the file name of the second image data. The file name of the second image data includes a prefix indicating the second image data of the stereoscopic image data.
Abstract:
Provided is a method for configuring a control tunnel and a direct tunnel in an IPv4 network-based IPv6 service providing system. To provide IPv6 service, when a random request terminal receives a tunnel response message from a control server by using service information downloaded from a portal server at the time of initialization, the request terminal configures a control tunnel with the control server, and is registered to the control server. The request terminal transmits and receives a direct tunnel request message and a direct tunnel response message with a counterpart terminal by using its terminal information learned during the control tunnel configuration, i.e., network position information and status information, thereby configuring a direct tunnel. Thus, IPv6 communication is made through IPv4 based IPv6 tunneling, so that IPv6 application services that are not yet widely used can easily come into wide use. Also, only software change of each terminal and a control server is required without changing existing network equipment, so that a cost burden of a service provider can be minimized.