Description:
TCP and IP network protocols.
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socket connection to nowhere?!
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I have 3 Linux bones, 1 server and 2 clients - one client active at any one time, as software dies on one client, watchdog software starts the other client. At the server, there are actually 2 relevant processes running, the client opens a socket connection to each. As client1 software is stopped, both server processes notice the... more »
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Wireshark capture buffer not big enough
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Gurus, When you use Wireshark to capture packets to and from your machine to others on the network I heard that it can dump packets because it's buffer may not be big enough to hold all the information. Is this true?
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UDP reads/writes
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Suppose I have an app that does a single 3000 bytes write to a descriptor representing an UDP socket. Now I know UDP is unreliable. My question is: if there is another process that is doing a read() at the other end of the connection, reading the data into a 3000 bytes buffer, how many bytes of the 3000 sent by the sender... more »
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network engineers vacancies
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Hello, Often skimming through recruiting agencies, I find the vacancies named "Network protocol engineer", "Protocols stack developer" etc.("...The candidates should have a good understanding of network and routing protocols, in particular IP, MPLS, VPLS, ATM, Frame Relay, Ethernet, routing protocols such as BGP, OSPF...")... more »
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Protocol for sending (still) pictures over network
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Hello group, I've developing a backend for (astronomical) CCD cameras. As the camera is connected to a PC and the pictures shold be viewed some place else, I want to have a daemon controlling the driver and a higher-level protocol in place. Before I brew my own thing there, is there any existing protocol so far... more »
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question about netstat Recv-Q
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I encouter a strange problem. my server program go wrong when it is running for a while. when server close end point socket ,the client end point socket is keeping alive. when I use tcpdump in a computer connected to server long ago , surprising , I found packet coming from server that should being send to another computer .... more »
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RMII Help
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Note: I also posted this to c.a.embedded. I'm not sure it belongs here, but no answers there so far... In putting together a little control nodule w/ a single 10/100 ethernet port, I started wondering if I need to pay any attention to the RMII. IIRC (& it seems that there is not much that I do anymore),... more »
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