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Do I need to heartbeat to keep a TCP connection open?

I have two components that that communicate via TCP/IP. Component A acts as a server/listener and Component B is the client. The two should communicate as quickly as possible. There can only ever be one connection at any time (though that is aside to this question). A senior developer at my comp...
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ByteArray 扩展 - 字节数组处理工具 · App Inventor 2 中文网

... 3. 数据加密 4. 传感器数据处理 5. 协议实现 注意事项 相关资源 « 返回IoT首页 ByteArray 扩展 ByteArray扩展为App Inventor提供了强大的字节数组处理功能,支持各...
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Why is SCTP not much used/known

...Stevens and I found that there is a third transport layer standard besides TCP and UDP: SCTP . 11 Answers ...
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腾讯Tencent开源框架介绍(持续更新) - 开源 & Github - 清泛网 - 专注C/C++及内核技术

...(MQ),专注服务大数据场景下海量数据的高性能存储和传输。经过近7年上万亿的海量数据沉淀,较之于众多的开源MQ组件,TubeMQ在海量实践(稳定性+性能)和低成本方面有一定的优势。(Java为主开发) 8、全文检索: https...
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How can I remove specific rules from iptables?

...dp -- anywhere anywhere udp dpt:domain 2 ACCEPT tcp -- anywhere anywhere tcp dpt:domain 3 ACCEPT udp -- anywhere anywhere udp dpt:bootps 4 ACCEPT tcp -- anywhere anywhere tcp dpt:bootps So if you would ...
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How do I connect to this localhost from another computer on the same network?

...d everything well. # # Allow outbound DNS port 53 # iptables -A INPUT -p tcp --dport 53 -j ACCEPT iptables -A INPUT -p udp --dport 53 -j ACCEPT iptables -A OUTPUT -p tcp --dport 53 -j ACCEPT iptables -A OUTPUT -p udp --dport 53 -j ACCEPT iptables -A INPUT -p udp --sport 53 -j ACCEPT iptable...
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How does push notification technology work on Android?

...eard during an Android developers conference in Israel: There is simply a TCP socket waiting in accept mode on a cloud Google server. The TCP connection had been initiated by the Google Play application. That's why Google Play must be installed on the device for making Google Cloud Messaging (GCM) ...
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How large should my recv buffer be when calling recv in the socket library

...g a stream socket (SOCK_STREAM) or a datagram socket (SOCK_DGRAM) - within TCP/IP, the former corresponds to TCP and the latter to UDP. How do you know how big to make the buffer passed to recv()? SOCK_STREAM: It doesn't really matter too much. If your protocol is a transactional / interactive o...
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Django Server Error: port is already in use

... A more simple solution just type sudo fuser -k 8000/tcp. This should kill all the processes associated with port 8000. EDIT: For osx users you can use sudo lsof -t -i tcp:8000 | xargs kill -9 share ...
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what happens when you type in a URL in browser [closed]

...kes a DNS lookup and replies the IP address to the browser browser opens a TCP connection to server (this step is much more complex with HTTPS) browser sends the HTTP request through TCP connection browser receives HTTP response and may close the TCP connection, or reuse it for another request brows...