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What are two optical standards for north America?
sonet, and sdh
What are the two North American and international optical standards?
Sonet , sdh
What is the difference between sdh and dwdm?
nothing
Why SONET is called synchronous network?
Because SONET/SDH uses "synchronous TDM multiplexer" to multiplexe signals from multiple electrical sources . All clocks in the system are locked to a master clock.
Where does SDH fit into the OSI model and what protocol does it use to transmit frames?
Physical Layer, SONET is the other name used for it
Basic interview knowledge of SDH system Basic interview knowledge of DSL system?
== == what is the difference between sdh wan and ethernet wan
Difference bw pdh sdh funtionality layout of Pakistan?
WHAT IS SDH
Disadvantages of sonet?
The disadvantages of using SONET/ SDH in the metro include: * Fixed circuits. SONET/SDH provisions point-to-point circuits between ring nodes. Each circuit is allocated a fixed amount of bandwidth that is wasted when not used. That fixed allocation puts a limit on the maximum burst traffic data transfer rate between end points. This is a disadvantage for data traffic, which is inherently bursty. * Waste of bandwidth for meshing. Provisioning the circuits necessary to create a logical mesh over a SONET ring is not only difficult, but also results in an inefficient use of ring bandwidth. As the amount of data traffic that stays within metro networks is increasing, a fully meshed network that is easy to deploy, maintain and upgrade is becoming an important requirement. * Multieast traffic. On a SONET/SDH ring, multicast traffic requires each source to allocate a separate circuit for each destination. A separate copy of the packet is sent to each destination. The result is multiple copies of multicast packets traveling around the ring, wasting bandwidth.
How does MSSPRing works in SDH?
what are the bennefits of sdh? what are the bennefits of sdh? what are the bennefits of sdh? what are the bennefits of sdh? what are the bennefits of sdh?
What is SDH alarms?
Alarms which are generated due to the failure of any link or card on the Sdh equipments are sdh alarms.
When was Sonet Film created?
Sonet Film was created in 1984.
When was Ishraq Sonet born?
Ishraq Sonet was born in 1987.
