Some books do call the reliable shim in the EIGRP protocol RTP, but it's an 
unfortunate acronym collision. Most of us know RTP as the Realtime 
Transport Protocol used in voice and video applications. Or, if not that, 
then it's Research Triangle Park in North Carolina.

Priscilla

At 12:59 PM 10/2/00, Edward Solomon wrote:
> > However,
> >       It does use RTP (Reliable)to guarantee some  of
> > the message exchanges.
>
>This is an incorrect statement. It should read: E-IGRP is a reliable,
>transport layer protocol.
>
>As E-IGRP works directly over IP, without relying on TCP or UDP, it is
>imperative that acknowledgement is built into the protocol. E-IGRP requires
>that all UPDATES, QUERIES and REPLIES are acknowledged. HELLOS, for example,
>are not required to be acknowledged. OSPF works on a similar basis.
>
>--
>
>Edward Solomon
>CCNA, CCSI (ICND, BSCN)
>Senior I/T Specialist
>Networking Solutions
>IBM Canada Ltd. - Learning Services
>Tel.: (905) 316-3241  Fax: (905) 316-3101
>E-mail: [EMAIL PROTECTED]
>Internet: http://www.can.ibm.com/services/learning/net_internet.html
>
>
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________________________

Priscilla Oppenheimer
http://www.priscilla.com

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