Explain what is frame relay, in which layer it comes?
Submitted by: AdministratorFrame relay is a high-performance WAN protocol that operates at the physical and data link layers of the OSI reference model. Frame Relay originally was designed for use across Integrated Services Digital Network (ISDN) interfaces. Today, it is used over a variety of other network interfaces as well. This chapter focuses on Frame Relay's specifications and applications in the context of WAN services. Frame Relay is an example of a packet-switched technology.
Packet-switched networks enable end stations to dynamically share the network medium and the available bandwidth.
The following two techniques are used in packet-switching technology:
•Variable-length packets
•Statistical multiplexing Variable-length packets are used for more efficient and flexible data transfers. These packets are switched between the various segments in the network until the destination is reached.
Submitted by: Administrator
Packet-switched networks enable end stations to dynamically share the network medium and the available bandwidth.
The following two techniques are used in packet-switching technology:
•Variable-length packets
•Statistical multiplexing Variable-length packets are used for more efficient and flexible data transfers. These packets are switched between the various segments in the network until the destination is reached.
Submitted by: Administrator
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