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01-12-2018 09:54 AM - edited 03-05-2019 09:45 AM
Hello,
I would have some basics questions.
I know MPLS is considered as a 2.5 OSI layer protocol. So, what layer 2 and layer 1 protocols it generally use ?
Also, is is true that nowadays ATM is considered obsolete ?
If yes, what protocols or new technics make it obsolete ? MPLS ? FTTH ? Ethernet Gigabit ? GPON ? Or others ?
And bonus question, same as MPLS previous question, what layer 1 protocol generally use ATM ?
Thanks in advance !
Benoit.
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01-12-2018 12:17 PM
Often it rides on top of Ethernet.
"Also, is is true that nowadays ATM is considered obsolete ?"
Yea, probably.
"If yes, what protocols or new technics make it obsolete ?"
Ethernet, and all the technologies that ride on it. Also the Internet. (Private WAN technologies might be replaced by VPN on top of the Internet.)
"And bonus question, same as MPLS previous question, what layer 1 protocol generally use ATM?"
You mean what L1 does ATM use? If so, I believe it's various telecom L1 protocols.
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01-12-2018 12:17 PM
Often it rides on top of Ethernet.
"Also, is is true that nowadays ATM is considered obsolete ?"
Yea, probably.
"If yes, what protocols or new technics make it obsolete ?"
Ethernet, and all the technologies that ride on it. Also the Internet. (Private WAN technologies might be replaced by VPN on top of the Internet.)
"And bonus question, same as MPLS previous question, what layer 1 protocol generally use ATM?"
You mean what L1 does ATM use? If so, I believe it's various telecom L1 protocols.
