Re: Frame-relay connectionless ?

Hi Mark,

  Thanks for your explanation

Regards
Anantha Subramanian Natarajan

On Tue, Oct 27, 2009 at 5:19 PM, Mark Jackson <markcciejackson_at_gmail.com>wrote:

> What is written is correct and what you are saying is correct.
>
> Frame relay is a connection protocol. This is correct.
> In terms of peer to peer communication, it then becomes a connectionless
> protocol by way of frame relay end to end keep alives.
>
> The Frame Relay End-to-End Keepalive feature works between peer Cisco
> communications devices. It is comes from the Frame Relay LMI protocol. The
> key difference is that rather than run over the signaling channel, as is the
> case with LMI, the End-to-End Keepalive feature runs over individual data
> channels.
>
> Encapsulation of keepalive packets is proprietary; which means the feature
> is available only on Cisco devices running a software release that supports
> the Frame Relay End-to-End Keepalive feature.
>
> Guys, correct me if I am wrong.
>
> Thanks kindly.
>
> On Tue, Oct 27, 2009 at 2:49 PM, Anantha Subramanian Natarajan <
> anantha.natarajan_at_gravitant.com> wrote:
>
>> Hi All,
>>
>> I was going through a book (CCIE Self-study CCIE Security Exam
>> Certification Guide,april 2003 print) on a section "Example of
>> Peer-to-peer
>> Communication" and under this it has the below sentence
>>
>> "Frame Relay is connectionless so,if an error occurs,it's up the to upper
>> layers to retransmit"
>>
>> My understanding is, frame-relay is a connection-oriented protocol,is the
>> above having a typo or I am missing basic or is it trying to convey
>> something different .Kindly clarify me the same.
>>
>> Thanks for all the help
>>
>> Regards
>> Anantha Subramanian Natarajan
>>
>>
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>
> --
> Mark Jackson, CCIE #4736
> Senior Network, Security and Voice Architect
>
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Received on Tue Oct 27 2009 - 20:24:06 ART