between the seven different layers. The resulting information that is transferred from the application layer to the physical layer (and vice versa) is not altered, but thedataundergoes a transformation in the process. The PDU defines the state of the data as it moves from one layer to the ...
Following table explains about different PDUs at important layers of OSI model. Presentation and session layers are removed, because those layers are not much relevant these days.Layer NumberLayer NameDescription Layer 7 Application Layer Original data generated from network application. Layer 4 ...
B.Application Layer C.Transport Layer D.Network access Layer 点击查看答案 第2题 The TCP/IP network model differs from the more popular OSI model. Which of the layers below belong to the TCP/IP model?() A. application layer B. session layer C. transport layer D. internet layer E. netw...
;CONSTITUTION: When the unit of a protocol data (PDU) sent/received between a presentation layer and an application layer exceeds a length of the unit of a service data (SDU) sent/received at once on a session layer, the data element of PDU is coded in the unit of ID at the time ...
A frame is the unit of transmission in a link layer protocol, and consists of a link-layer header followed by a packet. IP数据报 报文头部的结构是体现IP分组的核心 其中,固定部分又是核心中的核心(共占有20B)(80bit) 下表中,第一行(即分组头部的前4Byte)包含的内容该分组的最基本信息 ...
S9300提供高品质的QOS(Quality of Service)能力,支持Layer2~Layer7的流分类技术,具备完善的队列调度算法、拥塞控制算法,能够对数据流实现多级的精确调度,从而满足不同用户、不同业务等级的服务质量要求。 S9300提供层次化QOS(H-QOS)调度机制,通过在不同业务等级上分别设置单独调度器,进一步精细化流量QOS特征,保障相应...
Protocol data units of theOSI modelare:[1] The Layer 4:transport layerPDU is thesegmentor thedatagram.(段/报文,统称报文段) The Layer 3:network layerPDU is thepacket.(分组(包)) The Layer 2:data link layerPDU is theframe.(帧)
or UE is an industrial device connecting to theLANof a factory. Another application can be fixed wireless access service where aResidential Gatewayis providing bridged Layer 2 services to a fixed wireless broadband customer. PDU Sessions withPDU Session typeEthernet may useSSC modes 1orSSC modes ...
Communication with the User Plane node happens over the N4 interface instead of the Sxb interface. Note Depending on the mapped PCC rules, the SMF+PGW-C can initiate the dedicated bearer creation. The following call flow depicts the creation of a ...
一旦ue接收到具有atsss容器ie的pdu会话修改命令消息,ue可以认为sa pdu会话已转换为ma pdu会话以及在3gpp(选择的接入)上成功建立用户平面资源,并且开始通过ma pdu会话的3gpp接入(选择的接入)进行数据传输而不需要等待接收来自下层(lower layer)的显示指示(用户平面资源建立在3gpp接入和非3gpp接入上)。