MACROMEDIA FLASH REMOTING MX-USING FLASH REMOTING FOR FLASH MX 2004 ACTIONSCRIPT 2.0 Spezifikationen PDF herunterladen (Seite 8)

This is the Title of the Book, eMatter Edition

Chapter 1: Introduction to Flash Remoting

ActionScript for Flash MX: The Definitive Guide (O’Reilly), if you need to push

data from the server to Flash, such as in a chat application. Another option is to

use Macromedia’s Flash Communication Server MX (FlashCom) for these types

of applications.

HTTP is a stateless protocol, so each request from the Flash Player opens a new

connection to the server. The Flash Remoting gateway automatically maintains

state between requests through the use of cookies. If cookies are not available on

the client, the session state is maintained through a header in the communica-

tion packets between the Flash Player and server.

Protocols that work with HTTP, such as SSL, also work with Flash Remoting.

As shown in Figure 1-2, the client/server architecture is the same when the Flash

Player communicates with Flash Remoting via HTTPS or SSL as it is using

HTTP. Support for HTTPS allows communication between the Flash Player and

the server to be encrypted using SSL, provided that the Flash movie is delivered

to the client over an SSL connection and displayed within an SSL-enabled

browser. This gives a Flash application the same level of security that is avail-

able to the HTML application.

Figure 1-1. The Flash Player/Flash Remoting architecture

Figure 1-2. Flash Player/Flash Remoting architecture using SSL

Client

Server

Flash Player

Flash Remoting

Application

server

Client

Server

Flash Player

Flash Remoting

Application

server

SSL

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MACROMEDIA FLASH REMOTING MX-USING FLASH REMOTING FOR FLASH MX 2004 ACTIONSCRIPT 2.0 Spezifikationen Seite 8