multicast router 中文意思是什麼
multicast router
解釋
多播路由器-
Control the number of times a multicast packet can be forwarded by a router, also known as the time to live, or hop count
控制路由器可以轉發多路廣播數據包的次數，也稱作生存時間（ ttl ）或躍點計數。 -
This model manages remote invokes through event driving, and supports two asynchronous invoke model such as asynchronous call back and polling ; the model uses router as message " store - forward " mechanism, and guarantees time independent invoke of loosely coupled application ; the model extends the traditional corba addressing way, defines a kind of logic object address, which can support object migration of loosely coupled application and increase transparency of object location ; the model also defines object group address, which supports message multicast and implements " i - to - n " communication model
該模型採用事件驅動的方式管理遠程調用，支持異步回調和異步輪詢兩種異步調用模式；模型採用路由代理作為消息的「存儲-轉發」機制，保障了松耦合應用的時間無關調用的需求；模型擴展了傳統corba的尋址方式，定義了邏輯對象地址，能夠支持松耦合應用的對象遷移，提高了對象定位的透明性；模型還定義了對象組地址，支持消息組播，實現了「一對多」的通信模式。 2 -
Ip multicast traffic transmitted from the server is now distributed via the designated router to the client ' s subnet
此時ip群播流量經由被指定的路由器從伺服器傳送至客戶端所在網段。 -
Based on the mfc ( multicast forwarding cache ) formed by multicast protocol such as dvmrp ( distance vector multicast routing protocol ), pim ( protocol independent multicast ), we can build special lsp ( lable switch path ) for certain source group couple to transport multicast data flow using ldp ( lable distribute protocol ) or cr - ldp. based on the zxb10 switching router of zte co. we can now support dvmrp within the context of mpls networks
本文主要研究mpls網路對ip組播業務的支持，根據現有的ip組播協議如dvmrp 、 pim等所生成的組播轉發表（轉發樹） ，利用mpls網路的ldp （標記分發協議） cr - ldp （顯式路由標記分發協議）為特定的源組對確立lsp （標記交換路徑） 。 -
The client sends an igmp join message to its designated multicast router
客戶端會傳送igmp加入群組訊息到指定的群播路由器。 -
The router logs the join message and uses pim or another multicast routing protocol to add this segment to the multicast distribution tree ( if it is not already attached )
路由器會記錄此加入的訊息並且使用pim或另一種群播路由協定加入此區段到群播的分佈樹中（如果尚未溝通過） 。 -
Topics include internetworking philosophies, unicast and multicast routing, congestion control, network quality of service, mobile networking, router architectures, network - aware applications, content dissemination systems, network security, and performance issues
課程內容包括網際網路架構階層、單一及多重路由、擁塞控制、網路服務質量、移動網路、路由架構、網路感知程序、內容傳播系統、網路安全及效能問題。 -
Router congestion control strategies are also proposed. secondly, a new multicast routing algorithm based on double chromosomes genetic algorithm is realized. the simulation results show that this algorithm can get better convergent effect and select best routing under proper system parameters
然後重點介紹了本文提出的一種基於雙倍體遺傳演算法的組播路由演算法，模擬結果表明該演算法能夠在參數（種群規模、浙江工業大學碩士學位論文摘要交叉率及變異率）選擇適當的情況下，取得較好的收斂效果，並可以確定最優路由。 -
When the receiver wants to join in a multicast group, it sends a request message to the sender with a tcp connection. the request message gets to the sender and the sender answers for it with a confirmed message. during the confirmed message returning to the receiver, the router along the pass forms the multicast routing information according to the confirmed message
此組播路由選擇演算法與單播路由協議無關，它要求接收方在加入組播組時使用tcp連接直接向組播源發送加入組播組請求消息，組播源收到請求消息後向接收方發送請求確認消息，沿途的路由器則根據確認消息建立組播路由信息。
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