All-optical packet header processing scheme based on pulse position modulation in packet-switched networks

2005 ◽  
Author(s):  
Z. Ghassemlooy ◽  
H. Le Minh ◽  
Wai Pang Ng
Keyword(s):  
Pulse Position Modulation ◽  
Processing Scheme ◽  
Switched Networks ◽  
Packet Header ◽  
All Optical

Monitoring Devices for Providing Network Intelligence in Optical Packet Switched Networks

2013 ◽  
pp. 73-103
Author(s):  
Ruth Vilar ◽  
Francisco Ramos
Keyword(s):  
Performance Monitoring ◽  
Optical Packet Switching ◽  
Optical Performance Monitoring ◽  
Switched Networks ◽  
All Optical ◽  
Optical Layer ◽  
Network Intelligence ◽  
Control And Management ◽  
Monitoring Devices

The development of all-Optical Packet Switching (OPS) networks brings about new challenges in the topic of Optical Performance Monitoring (OPM). The objectives of this chapter are addressed to the proposal of new monitoring techniques capable of packet-by-packet monitoring in the optical domain to preserve packet transparency. Moreover, new optical layer functionalities such as dynamic reconfiguration and link level restoration also introduce a level of complexity that may require advanced OPM capabilities. In this chapter, an OSNR monitoring technique and its application for providing network intelligence are explained in detail. In particular, the integration of the monitoring system with the control and management planes is investigated to perform other functions such as quality of service implementation, OSNR-assisted routing, and backup route selection.

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