From: Wade Edwards (wade.edwards@xxxxxxxxxxxxxxxxxxx)
Date: Wed Mar 13 2002 - 20:17:04 GMT-3
They are using a higher level process to get the reliability. For
example TFTP uses UDP as a transport but it can also send a checksum
after the transfer to ensure the file arrived intact. It didn't use TCP
for reliability but it used UDP with a higher level process to provide
for the reliability.
L8r.
-----Original Message-----
From: A.Steinbock [mailto:ccie10@usa.net]
Sent: Monday, March 11, 2002 12:53 AM
To: ccielab@groupstudy.com
Subject: Reliable UDP?
Back to Basics:
Isn't it true that TCP is connection-oriented & reliable and UDP is
connectionless & best-effort?
Reading about Cisco IDS I came across the following paragraph:
"Communication between the Cisco Secure IDS Sensors and management
consoles is
provided by a proprietary, reliable UDP transport protocol that
guarantees
transmission to intended recipients and maintains connection status with
all
of the IDS components."
http://www.cisco.com/warp/public/cc/pd/sqsw/sqidsz/prodlit/ids_qa.htm
UDP, Reliable, and guarantee?
This sounds more like TCP than UDP.
Could some one help me out of this confusion please?
Thanks
Akim
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