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2 Optica Applicata

2 Zaim A. H.

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Design of a test suite for the jumpstart just-in-time signaling protocol

Zaim A. H.

Optica Applicata

2005

Vol. 35, nr 2

333-345

We present a two step design of the just-in-time (JIT) signaling scheme running over a core dWDM network which utilizes optical burst switches (OBS). In the first step, we apply an eight-tuple extended finite state machine (EFSM) model to formally specify the protocol. Using the EFSM model, we define the communication between a source client node and a destination client node through an ingress and an intermediate switch. The communication between the EFSMs is handled through messages. In the second step, we generate unique input-output sequences. We work on on-the-fly unicast connection over a prototype testbed.

Just-enough-time signaling protocol: formal description using extended finite state machine (EFSM)

Zaim A. H.

Optica Applicata

2003

Vol. 33, nr 4

677-687

In this study, we use an extended finite state machine (EFSM) model to describe just-enough-time (JET) signaling scheme running over a core DWDM (dense wavelength division multiplexing) network which utilizes optical burst switches (OBS). We apply an eight-tuple EFSM model. The state machines and transitions for a connection setup process between a source client node and a destination client node through an ingress and one or multiple intermediate switches are defined. We define some message channels for communication between the EFSMs