I have a few questions about the ATM. Hopefully, you
will clear me up on something that I am not so sure.
I am tasked with upgrading my company current T1 WAN
to ATM DS-3 to 7 regional cities in the US. The HQ is
in Chicago. Currently, the requirement is only use
these DS-3 for Data. In the future, they will use it
to carry Data, Voice and Video to the branch offices.
For now, can I just implement Hub-to-Spoke topology of
PVCs with UBR, AAL5.
1. Do I need to do any QoS on these 3600 routers?
2. Do I need to have a Backup links for redundancy
in case the DS-3 link goes down. What about "Last
miles" redundancy? Or should I trust the Sprint ATM
cloud and ignore the backup??? Need your help badly
here.
3. What do I need to do if they want to use these
DS-3 for AVVID. What type of QoS, CoS, AAL1 or AAL2?
What type of Backup should I use if we implement
AVVID?
Please shed me some light if you could.
many thanks in advance.
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