On-Demand End-to-End Optical Network Construction for Grid Applications with Adaptive and Distributed Control over Multi-Domain WSONs

2010 ◽  
Vol E93.B (3) ◽  
pp. 536-545 ◽  
Author(s):  
Sugang XU ◽  
Weiping REN ◽  
Hiroaki HARAI
Author(s):  
Luis M. Contreras ◽  
Samier Barguil ◽  
Ricard Vilalta ◽  
Victor López

AbstractNetwork slicing will permit offering to vertical customers tailored end-to-end logical networks in an on-demand fashion, on top of a common telecom infrastructure, achieving a Slices-as-a-Service (SlaaS) business model. This is possible due to the progressive introduction of network softwarization techniques, such as programmability and virtualization, into existing operational networks, enabling dynamic and flexible provision of slices. Those vertical customers could require the control not only of the network functions composing the end-to-end service, but also of the connectivity among them, e.g., for influencing the paths for steering traffic among function instances. However, this can be problematic since decisions from one vertical customer can collide with decisions from others. One aspect not yet sufficiently investigated is how to permit vertical customers to jointly control the service functions and the underlay connectivity, in such a way that could operate the allocated slice as if it was actually a dedicated network entirely for them. This paper explores some architectural proposition in this respect illustrated with some potential use cases and it provides an example of the provision of SlaaS for a vertical customer.


2018 ◽  
Vol 7 (2.24) ◽  
pp. 489
Author(s):  
Shweta Ranjan Vikas ◽  
B Priyalakshmi ◽  
Nikita Gautam ◽  
Sairam Potti

The network security must be taken into consideration in wireless sensor networks. In our project, we take sensor node data falsification (SNDF) attack using malicious nodes and co-operative detection is used. Fusioncentre collects information from the nodes created in a cluster environment and makes a global decision. The protocol used here is Ad-hoc-on demand distance vector[5] (AODV) and the performance analysis is done using parameters such as throughput and End-to-end delay. The stimulation is done in NS2 using network animator and graphical results are taken.The throughput will be increased compared to the existing system whereas End-to-End delay will be decreased.  


2004 ◽  
Vol 6 (1) ◽  
pp. 129-141 ◽  
Author(s):  
P. Mundur ◽  
R. Simon ◽  
A.K. Sood

Author(s):  
Charaka Palansuriya ◽  
Maarten Buchli ◽  
Kostas Kavoussanakis ◽  
Anand Patil ◽  
Chrysostomos Tziouvaras ◽  
...  

2005 ◽  
Author(s):  
Krzysztof T. Pozniak ◽  
Ryszard S. Romaniuk ◽  
Tomasz Czarski ◽  
Wojciech Giergusiewicz ◽  
Wojciech Jalmuzna ◽  
...  

2014 ◽  
Vol 548-549 ◽  
pp. 1393-1396
Author(s):  
Zhi Ren ◽  
Bao Yang Du ◽  
Yan Wei Liu ◽  
Ji Bi Li

In our Study, we Find that Location-Assisted on-Demand Routing (LAOR) Algorithm has Redundancy Control Overhead. Furthermore, LAOR does Not make Full Use of the Effective Information of New Path to Complete the Follow-up Path. to Address these Issues, an Improved Effective on-Demand Routing, Effective Improved on-Demand Routing (EIOR) Algorithm, is Proposed in this Paper. EIOR Makes Full Use of the Information of Control Packet to Update more Routing Paths, Reduces the Control Overhead for Finding Path and Increases the Real Time of Routing Updates. Moreover, EIOR Increases the Probability of Intermediate Satellite Replies Request Instead of the Destination Satellite, which Shortens the Setup Time of Path and Reduces the End-to-End Delay. it also Designs the RREP Immune Mechanism to Reduce the Control Overhead of the Network. Theoretical Analysis and Simulation Results Show that EIOR Outperforms LAOR. the EIOR can Reduce at Least 7% of the Normalized Control Overhead and 4% of the Average End-to-End Delay.


2016 ◽  
Vol E99.B (2) ◽  
pp. 370-384 ◽  
Author(s):  
Sugang XU ◽  
Noboru YOSHIKANE ◽  
Masaki SHIRAIWA ◽  
Takehiro TSURITANI ◽  
Hiroaki HARAI ◽  
...  

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