ajax websocket

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Reverse Ajax, Part 1: websocket

This article series discusses how to use reverse Ajax (reverse Ajax) technology to develop event-driven Web applications. Part 1 describes several different methods for implementing reverse Ajax communication: polling, piggyback, and comet with long-polling and streaming. In this article, we will learn a new technology for implementing reverse

Reverse Ajax, part 2nd: WebSocket

Transferred from: http://kb.cnblogs.com/page/112616/ObjectiveToday, users are looking for fast, dynamic applications that can be accessed through the web. This article series shows how to use reverse Ajax (Reverse Ajax) technology to develop event-driven Web applications. The 1th part of the series describes reverse Ajax, polling (polling), streaming (streaming),

Ajax, reverse Ajax, and WebSocket concepts

them.CometReverse Ajax using polling or piggyback is very limited: it is not scalable and does not provide low-latency communication (as soon as the event arrives at the server side, they reach the browser at the fastest speed possible). Comet is a Web application model in which requests are sent to the server side and maintain a long lifetime until a timeout or server-side event occurs. After the request is complete, another long-lived

Websocket, Ajax round robin, long pull, and websocketajax

Websocket, Ajax round robin, long pull, and websocketajax Recently I have seen some articles about Websocket, and I think it is quite useful. Here I will record my understanding of the three. 1. What is Websocket? Websocket is new in HTML5ProtocolNote: The protocol is used t

[Web Design] Ajax, Comet and websocket--turn

/Response mode.The answer is given in the new generation of HTML standard HTML5, which provides a network technology WebSocket for full-duplex communication between browsers and servers. From the WebSocket draft, WebSocket is a completely new, independent protocol, based on the TCP protocol, which is compatible with the HTTP protocol and does not fit into the HTT

Long poll, Ajax polling, and WebSocket

under the same URL. Easy to understand: Tonight I have to service A, do not mistakesec-websocket-version is to tell the server to use the draft Stage, a variety of bizarre agreements have, and there are many strange different things, what Firefox and Chrome is not a version of the same, the original WebSocket agreement too much is a big problem. But now it is OK, has been set up ~ everyone uses a thing ~

The front and back end common communication way--Ajax, WebSocket

First, the front and back end common communication method1. AjaxThe browser initiates the request, the server returns the data, the server cannot actively return the data, the real-time data interaction can only be Ajax polling (let the browser send a request in a few seconds, and then update the client display. This approach actually wastes a lot of traffic and creates a lot of pressure on the service side.2. WebSocketWebSocket is HTML5 out of the Th

Client-server interaction comparison with native instances (comparing ajax, server-sent event, websocket/netsocket), websocketnetsocket

Client-server interaction comparison with native instances (comparing ajax, server-sent event, websocket/netsocket), websocketnetsocket I learned the native instance of websocket yesterday and thought it is necessary to put several common client-serverRefreshingInteractive forms: I. Ajax: the client determines when to

An analysis of the difference between WebSocket and Ajax

1. Essentially different Ajax, asynchronous JavaScript and XML, is a Web development technique for creating interactive Web applications; WebSocket is a new protocol that implements full-duplex communication between the browser and the server. The essence is to create a TCP connection for exchanging data after shaking hands with the HTTP/HTTPS protocol, and the server communicates with the client in real ti

Ajax, comet, and WebSocket

() constructor, it is very easy to create an application of the comet architecture1 var New EventSource ('/message ')23function(e) {4 var type = e.type5 var data = e.data6 }3. IE has not yet supported EventSource, but can be simulated using XMLHttpRequestThird, WebSocket1. WebSocket is the underlying network interface name, which defines a full-duplex communication channel that requires only one websocket

An analysis of the difference between WebSocket and Ajax

1. Essentially differentAjax, asynchronous JavaScript and XML, is a Web development technique for creating interactive Web applications;WebSocket is HTML5 a new protocol that implements full-duplex communication between the browser and the server. The essence is to create a TCP connection for exchanging data after shaking hands with the HTTP/HTTPS protocol, and the server communicates with the client in real time through this TCP connection.2. Life cy

Socket, WebSocket the relationship and difference between Ajax

Recently participated in a LAN chat project. Use of the WebSocket. Here is a brief introduction.Sockets and WebSocketSimply saying that the relationship between sockets and WebSocket is the same as Java and JavaScript. Never mind.The Socket is a programming interface for transmitting data between the transport layer and the application layer in the TCP/IP protocol.WebSocket is a method based on asynchronous

Client-server interaction comparison vs. native instances (compare Ajax,server-sent event,websocket/netsocket)

Yesterday, I learned the native instance of WebSocket, and found it necessary to compare several common client-server-side no-refresh interaction forms:First, Ajax: The client determines when to proactively send requests to the server sidesuch as: No refresh comments, no refresh change pictures.The primary purpose is to not refresh the customer experience, but it is the client's action to trigger a request

Use grails-events-push in grails to implement ajax/Comet/websocket message push

, request: Servlet request. Like filters, the return value determines whether to intercept messages from the server to the browser. # Create a service named myservice. Groovy // The Listener annotation specifies the message that this method accepts. If namespace is not specified, all messages are accepted. Here, messages named browser group are accepted.// Note that the method name must be the Tag Name Defined in myevents. Groovy@ Listener (namespace = 'browser ') def msgtoserver (Map Data ){Pri

Can websocket (or can) replace ajax?

significantly improved for performance. In terms of consumption, the consumption on the server is certainly a little larger. After all, you have to Hold N links for N accesses. This fact is there. Compatibility is not considered. If you have high requirements on real-time performance, you can use websocket because the latency is much lower, such as message pushing and other functions. In addition, it is better to maintain a connection when frequ

Can WebSocket (or can) replace Ajax?

. If you have a high demand for real-time, you can consider using WebSocket, because the delay is much lower, such as doing some message push functions, and frequent communication words to maintain a better connection. If you just do a query without timing, you should still use Ajax. Personal opinion, for reference only ~ Right, now both requirements exist, in order to improve the real-time can

Use HTML5 WebSocket to build real-time Web applications, html5websocket

find that the so-called real-time technologies we are currently using are not real-time technologies. They are just simulating real-time effects using Ajax, each interaction between the client and the server is an HTTP request and response process, and each HTTP request and response carries the complete HTTP header information, this increases the amount of data transmitted each time, and the client and server programming implementations in these solu

[Go] Build a live Web app using HTML5 WebSocket

technologies we use today are not real real-time technologies, they are just using Ajax to simulate real-time effects, and each time the client interacts with the server, it is an HTTP request and response process, and each HTTP Both the request and the response have full HTTP header information, which increases the amount of data per transmission, and the programmatic implementation of the client and server side of these scenarios is more complex, i

Build real-time Web apps with HTML5 WebSocket

test.In combination with these scenarios, you will find that the so-called real-time technologies we use today are not real real-time technologies, they are just using Ajax to simulate real-time effects, and each time the client interacts with the server, it is an HTTP request and response process, and each HTTP Both the request and the response have full HTTP header information, which increases the amount of data per transmission, and the programmat

Build real-time Web apps with HTML5 WebSocket

combination with these scenarios, you will find that the so-called real-time technologies we use today are not real real-time technologies, they are just using Ajax to simulate real-time effects, and each time the client interacts with the server, it is an HTTP request and response process, and each HTTP Both the request and the response have full HTTP header information, which increases the amount of data per transmission, and the programmatic imple

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