A novel optical burst switching （OBS） high speed network architecture has been proposed. To verify its feasibility and evaluate its performance, just-enough-time （JET） signaling has been considered as a high perfo...A novel optical burst switching （OBS） high speed network architecture has been proposed. To verify its feasibility and evaluate its performance, just-enough-time （JET） signaling has been considered as a high performance protocol. In the proposed architecture, to avoid burst losses, firstly, a short-prior- confirmation-packet （SPCP） is sent over the control channel that simulates the events that the actual packet will experience. Once SPCP detects a drop at any of the intermediate nodes, the actual packet is not sent but the process repeats. In order to increase network utilization, cost effectiveness and to overcome some limitations of conventional OBS, inherent codes （e.g., orthogonal optical codes （OOC））, which are codified only in intensity, has been used. Through simulations, it shows that a decrease in burst loss probability, cost effectiveness and a gain in processing time are obtained when optical label processing is used as compared with electronic processing.展开更多
In this paper, combining with active networks, we design a new kind of programmable routing switch architecture to provide a common intelligent switch platform for multi-protocol switching and multi-service accessing...In this paper, combining with active networks, we design a new kind of programmable routing switch architecture to provide a common intelligent switch platform for multi-protocol switching and multi-service accessing. We elaborate how programmable switch and network intelligence are achieved, and how packets are classified, queued and scheduled. We point out that edge intelligence and network software are the tendency for the development of future networks.展开更多
文摘A novel optical burst switching （OBS） high speed network architecture has been proposed. To verify its feasibility and evaluate its performance, just-enough-time （JET） signaling has been considered as a high performance protocol. In the proposed architecture, to avoid burst losses, firstly, a short-prior- confirmation-packet （SPCP） is sent over the control channel that simulates the events that the actual packet will experience. Once SPCP detects a drop at any of the intermediate nodes, the actual packet is not sent but the process repeats. In order to increase network utilization, cost effectiveness and to overcome some limitations of conventional OBS, inherent codes （e.g., orthogonal optical codes （OOC））, which are codified only in intensity, has been used. Through simulations, it shows that a decrease in burst loss probability, cost effectiveness and a gain in processing time are obtained when optical label processing is used as compared with electronic processing.
文摘In this paper, combining with active networks, we design a new kind of programmable routing switch architecture to provide a common intelligent switch platform for multi-protocol switching and multi-service accessing. We elaborate how programmable switch and network intelligence are achieved, and how packets are classified, queued and scheduled. We point out that edge intelligence and network software are the tendency for the development of future networks.
