socket interface

1 What's all this? Since it is a network transmission, involving several systems, the first thing to consider is how to accurately navigate to one or several hosts on the network, and the other is how to reliably and efficiently of data transfer.

(a) A brief analysis of Tcp/udp,socket,http,ftp TCP/IP is a protocol group that can be divided into three levels: the network layer, the transport layer, and the application layer:Network layer: IP protocol, ICMP protocol, ARP

ObjectiveThe process communication methods under Linux are basically inherited from the process communication methods on the UNIX platform. The two main players at T-Lab and BSD (UC Berkeley's Berkeley Software Release Center), which have made

Reprint: http://blog.csdn.net/jay900323/article/details/18141217  Five IO models and analysis of LinuxDirectory (?) [-] Conceptual understanding Five types of IO models under Linux Blocking IO Model Non-blocking IO model

Android Ril-javaRil-java is essentially a RIL agent that plays a forwarding role and is the starting point of the phone system in the Android Java conceptual space. In Ril-d's analysis, we know that Rild set up a listening socket interface, waiting

Essential differences IP: Network layer protocol; TCP and UDP: Transport layer protocol; HTTP: Application layer protocol; SOCKET: Not an API for protocol, TCP/IP networking. TCP/IP stands for Transmission Control

The content of this section:Project Combat: Develop a web chat roomFunctional Requirements: Users can chat with friends one-on-one Can search, add someone as a friend Users can search and add groups Each group has an

HTTP related knowledge HTTP is a stateless, request, Response mode communication mode, that is, each time a user clicks through a browser page, you need to re-establish a connection with the Web server, and send their session ID to the

The network is divided from bottom to top:Physical Layer--Data Link layer--Network Layer--IP protocolTransport Layer--TCP protocolSession Layer--Presentation layer and Application Layer-HTTP protocol1. TCP/IP connectionMobile phone can use the

Long-time connection based on HTTP is a technology of "server push" through long polling, which makes up the insufficiency of HTTP simple request answering mode, and greatly enhances the real and interactive of the program.First, what is long

1. TCP connectionTCP (transmission Control Protocol) transmission protocol. TCP is the host-to-host layer of the Transmission Control Protocol, providing a reliable connection service, using three-time handshake confirmation to establish a

TCP protocol (theoretical) 1. What is different from UDP is that TCP provides a connection-oriented and reliable byte stream service. It is easy to understand connection orientation, that is, the two sides need to establish a connection before

High-performance TCP & HTTP Communication Framework HP-Socket v4.2.1, high-performance tcp HP-Socket is a set of common high-performance TCP/UDP/HTTP Communication frameworks, including server components, client components, and Agent components, it

1.1 IntroductionHTTP is an abbreviation for the Hyper Text Transfer Protocol (Hypertext Transfer Protocol). HTTP was originally designed to provide a way to publish and receive HTML pages. Carrier: message ______|______|      | | start line header

High-performance TCP & UDP Communication Framework HP-Socket v3.5.1 officially released, high-performance tcp HP-Socket is a set of common high-performance TCP/UDP Communication frameworks, including server components, client components, and Agent

this article reprinted to http://www.2cto.com/net/201211/166537.html The difference between HTTP, TCP/IP protocol and socket   network from bottom to top:  www.2cto.com   Physical Layer-                     

1. TCP connectionTo understand the socket connection, you need to understand the TCP connection first. Mobile phone can use the network function is because the bottom of the mobile phone implementation of TCP/IP protocol, you can make the mobile

: This article mainly introduces round robin, long polling, long connections, and FlashSocket. if you are interested in the PHP Tutorial, refer to it. Round Robin: The client periodically sends an Ajax request to the server. after

HTTP Related Introduction The HTTP protocol, the Hypertext Transfer Protocol (hypertext Transfer Protocol), is the foundation of Web networking and one of the most commonly used protocols for mobile networking, an application built on the TCP

# There have been 3 Linux commands related to the performance test, which are free,top,vmstat # The next 2 commands also need to be written down:netstat and iostatRecently carefully read 1 articles on "Positioning performance Bottlenecks"