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Abstract Model of Fault Tolerance Algorithm in Cloud Computing Communication Networks

Author(s): Pardeep Kumar | Shiv Kumar Gupta

Journal: International Journal on Computer Science and Engineering
ISSN 0975-3397

Volume: 3;
Issue: 9;
Start page: 3283;
Date: 2011;
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Keywords: broadcasting guardian | non-faulty | TDMA | TTP/C.

We discussed in this paper the modeling behavior of the cloud computing communication network through which processors exchange their messages. The goal is to develop an abstract description of acommunication network that effectively enforces a TDMA-style access to the communication medium by avoiding that a “babbling idiot” can interfere with another processor’s message broadcast. This ensures that a non-faulty processor will receive the message that was sent by the sender of a given slot. To prevent a faulty processor from speaking outside its designated slots an independent component is necessary that controls the access to the communication medium. In TTP/C, this component is called the guardian. There are two commonimplementations of a guardian: in a bus topology, every processor is equipped with its own local guardian, whereas in a star topology there is one central guardian per channel.
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