Abstract:
분산 가상 스위치를 이용한 네트워크 구현 방법, 이를 수행하는 네트워크 장치 및 분산 가상 스위치 기반 네트워크 시스템이 개시된다. 분산 가상 스위치를 이용한 네트워크 구현 방법은, 네트워크의 제어 기능들을 각각 가상 머신으로 구현하는 단계와, 복수의 가상 머신들을 미리 설정된 정책에 따라 그룹화하는 단계 및 동일 그룹에 속한 적어도 하나의 가상 머신들을 분산 가상 스위치 기반 가상화 구조의 동일 서버 내에 구현하는 단계를 포함한다. 따라서, 이동통신 네트워크를 유연하게 구성할 수 있고, 운용 효율을 향상시킬 수 있다.
Abstract:
네트워크를 통해 사용자에게 미디어 트래픽을 전달하는 서브 플로우 관리 장치는 서브 플로우 전달부 및 서브 플로우 제어부를 포함한다. 서브 플로우 전달부는 미디어 트래픽의 특성을 파악하고, 동일 세션을 통해 전달되는 미디어 트래픽의 패킷에 포함된 플로우를 적어도 하나의 서브 플로우로 분류하여 사용자에게 전달한다. 그리고 서브 플로우 제어부는 미디어 트래픽을 사용자에게 전달하는데 필요한 네트워크의 정보를 수집하며, 네트워크의 정보에 따라 미디어 트래픽이 적어도 하나의 서브 플로우로 분류될 수 있도록 서브 플로우 전달부를 제어한다.
Abstract:
Provided are a network resource control method and apparatus for guaranteeing an admission rate of a high-priority service. In the method and apparatus, the admission rate of the high-priority service is increased by differentiating between the high-priority service and a low-priority service by either rejecting the low-priority service or reducing a bandwidth allocated to the low-priority service when the low-priority service has already been accepted.
Abstract:
PURPOSE: An access apparatus for an all-internet protocol fusion network is provided to simplify a wireless access network by integrating common elements of a complex wireless network. CONSTITUTION: Each base station(202,204) execute the classification, management, and control of subscriber/service traffic in an IP(Internet Protocol) flow unit. An UCE(Unified Control Entity) creates a route request message for terminals(201,203) using the source IP address of the terminals. The integrated control apparatus IP packet header information for setting a route included in a response message of the created route request message.
Abstract:
PURPOSE: A wireless network access point selecting apparatus considering of a network performance and method thereof is provided to enable a user to select an optimal access point by comparing the network performance. CONSTITUTION: A performance measurement unit(110) creates performance information based on the performance value of one or more network server connected with an access point. A performance information storage unit(120) stores performance information created by access points and by the performance measurement unit by receiving the performance information. A performance information providing unit(130) transmits performance information stored in the performance information storage unit to a terminal which requests the performance information. The performance information providing unit provides the performance information to one or more terminal located within an access point area.
Abstract:
PURPOSE: An apparatus for managing a network based sub-flow is provided to manage the network by dividing the packet of a media traffic into sub-flows considering environment of the network and a user. CONSTITUTION: Sub-flow transmission units(200a) classify a flow included in the packet of a media traffic which is delivered through the same session. The sub-flow transmission units deliver the classified sub-flow to a user. A sub-flow controller(100) collects network information which is necessary for transferring the media traffic to the user. The sub-flow controller controls the sub-flow transmission units to classify the media traffic as one sub-flow by the network information.
Abstract:
An apparatus and a method for measuring delay in an Ethernet network are provided to measure an end-to-end frame delay value based on two end points performing measurement in a state when entire network synchronization is not performed in the Ethernet service network. A transmitting unit(200) generates a delay measurement frame as an object of traffic delay measurement and a delay measurement comparison object frame as a reference of delay measurement, and simultaneously outputs the delay measurement frame and the delay measurement comparison object frame. A receiving unit(210) calculates a delay time of traffic from an arrival time interval difference between the received delay measurement frame and the delay measurement comparison object frame.