Byron Estes<br />Sun Certified Enterprise Architect<br />Senior Consulant<br />Blackwell Consulting Services<br />Chicago, IL<br /><a href="http://www.bcsinc.com" target="_blank" rel="nofollow">www.bcsinc.com</a>
Originally posted by Byron Estes:
Connection based.
Converstational state between request/responses is not maintained, but a socket connection is established between the client and the server for communication.
Therefore it is connection based, but conversationally stateless.
Regards,
Byron Estes<br />Sun Certified Enterprise Architect<br />Senior Consulant<br />Blackwell Consulting Services<br />Chicago, IL<br /><a href="http://www.bcsinc.com" target="_blank" rel="nofollow">www.bcsinc.com</a>
The HTTP protocol is connectionless and stateless After the server has responded to the client's request, the connection between client and server is dropped and forgotten. There is no "memory" between client connections. The pure HTTP server implementation treats every request as if it was brand-new, i.e. without context.
Sanjay Raghavan<br />SCJP2, SCEA-J2EE<br />Moderator - <a href="http://groups.yahoo.com/group/scea_prep" target="_blank" rel="nofollow">SCEA PREP</a><br />Co-Author - <a href="http://www.whizlabs.com/scea/scea.html" target="_blank" rel="nofollow">SCEA@Whiz</a><br /><i>Where did you sip your Java Today?</i>
Describe connection-oriented network service and connectionless network service, and identify the key differences between them
There are two basic types of Transport layer methods: Connection-oriented and Connection-less. Connection-oriented network services are reliable, guarantee delivery of data while connectionless network services are unreliable, and provide only best effort delivery.
With TCP/IP there are two different categories of services.
- TCP (Transmission Control Protocol) is used for connection-based reliable delivery of data (example: HTTP, FTP, Telnet services).
- UDP (User Datagram Protocol) is used for connection-less transmission with unreliable best effort delivery (example: RealAudio, QuickTime streaming, and TFTP).
Byron Estes<br />Sun Certified Enterprise Architect<br />Senior Consulant<br />Blackwell Consulting Services<br />Chicago, IL<br /><a href="http://www.bcsinc.com" target="_blank" rel="nofollow">www.bcsinc.com</a>
Sun Certified Enterprise Architect
Java Technology Blog
Sun Certified Enterprise Architect
Java Technology Blog
Originally posted by Seid Myadiyev:
is HTTP "connection-less" or "connection-based"?
Different exams give different answers!
But what is the CORRECT answer for the SCEA Exam?
Thank you.
Barry Kushnir, SCJP, SCWCD, SCEA
Dave Cronin
SCJP, SCWCD, SCBCD
Dave Cronin
SCJP, SCWCD, SCBCD
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