reliable-multicast | 易学教程

Methods for implementing UDP multicast reliable

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问题 I am preparing for my university exam and one of the question last year was " how to make UDP multicast reliable " ( like tcp, retransmission of lost packets ) I thought about something like this : Server send multicast using UDP Every client send acknowledgement of receiving that packets ( using TCP ) If server realize that not everyone receive packets , it resends multicast or unicast to particular client The problem are that there might be one client who usually lost packets and force

Reliable Multicast over local network

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问题 I am implementing a messaging system using C++ and Qt. After much thought, I have determined that multicasting or a multicast-style technique will work best to solve my problem. However, I have learned about UDP's unreliability and believe it to be unacceptable. My requirements are as follows: Messages are to be sent in a binary serialized form. From any given node on the network, I must be able to send messages to the other nodes. Message delivery must be insured. I have heard of OpenPGM and

Reliable Multicast over local network

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I am implementing a messaging system using C++ and Qt. After much thought, I have determined that multicasting or a multicast-style technique will work best to solve my problem. However, I have learned about UDP's unreliability and believe it to be unacceptable. My requirements are as follows: Messages are to be sent in a binary serialized form. From any given node on the network, I must be able to send messages to the other nodes. Message delivery must be insured. I have heard of OpenPGM and NORM as alternatives for UDP. If anyone has experience with either of these, could you please share? I