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Logstash实践: 分布式系统的日志监控 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...el和list两种。用过Redis的人知道，channel是Redis的发布/订阅通信模式，而list是Redis的队列数据结构。两者都可以用来实现系统间有序的消息异步通信。channel相比list的好处是，解除了发布者和订阅者之间的耦合。举个例子，一个Inde...
如何高效的学习掌握新技术 - 杂谈 - 清泛网 - 专注C/C++及内核技术
...面的元素和交互拆分成若干基础组件。
和服务器进行通信
一个完善的程序，离不开和服务端的交互，对于一个React程序，其和服务端交互的方式，和传统应用程序，并不全相同，并且对于和服务器通信的结果数据，还要和...
What is the fundamental difference between WebSockets and pure TCP?
... So basically WebSocket is simply a wrapper for TCP in the sense that UDP is simply a wrapper for IP?
– Pacerier
Feb 26 '13 at 18:06
3
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LR性能测试结果样例分析 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...之前，必须验证该客户端。FTP验证度量仅适用于 FTP协议通信
Receive Time
显示从服务器收到最后一个字节并完成下载之前经过的时间。接收度量是很好的网络质量指示器（查看用来计算接收速率的时间 / 大小比率...
How to open a specific port such as 9090 in Google Compute Engine
...er all or a comma delimited list of ports, such as 20-22, 80, 8080.
Select udp to include the UDP protocol and ports. Enter all or a comma delimited list of ports, such as 67-69, 123.
Select Other protocols to include protocols such as icmp or sctp.
(Optional) You can create the firewall rule but ...
How is TeamViewer so fast?
...tes NAT and networks complicated by NAT using NAT traversal (I think it is UDP hole-punching, like Google's libjingle).
They do use their own servers to middle-man in order to do the handshake and connection set-up, but most of the time the relationship between client and server will be P2P (best ...
Is there a way for multiple processes to share a listening socket?
...e original question, but in Linux kernel 3.9 there is a patch adding a TCP/UDP feature: TCP and UDP support for the SO_REUSEPORT socket option; The new socket option allows multiple sockets on the same host to bind to the same port, and is intended to improve the performance of multithreaded network...
Get the IP address of the machine
...be used for a connection to a specific external host. By using a connected UDP socket, you can get the information without actually sending any packets. The approach requires that you choose a specific external host. Most of the time, any well-known public IP should do the trick. I like Google's pub...
Getting the IP address of the current machine using Java
... IP. The destination 8.8.8.8 is not needed to be reachable.
Connect on a UDP socket has the following effect: it sets the destination for Send/Recv, discards all packets from other addresses, and - which is what we use - transfers the socket into "connected" state, settings its appropriate fields....
Can (domain name) subdomains have an underscore “_” in it?
...rscores are very common in the wild. Check _jabber._tcp.gmail.com or _sip._udp.apnic.net.
Other RFC mentioned here deal with different things. The original
question was for domain names. If the question is for host
names (or for URLs, which include a host name), then this is
different, the relevant...