IoT (Internet of Things) services are emerging and the bandwidth requirements for rich media communication services are increasing exponentially. We propose a virtual edge architecture comprising computation resource management layers and path bandwidth management layers for easy addition and reallocation of new service node functions. These functions are performed by the Virtualized Network Function (VNF), which accommodates terminals covering a corresponding access node to realize fast VNF migration. To increase network size for IoT traffic, VNF migration is limited to the VNF that contains the active terminals, which leads to a 20 % reduction in the computation of VNF migration. Fast dynamic bandwidth allocation for dynamic bandwidth paths is realized by proposed Hierarchical Time Slot Allocation of Optical Layer 2 Switch Network, which attain the minimum calculation time of less than 1/100.
The Internet as a complete does not use safe links, thus data in transit may be vulnerable to interception as well. The significant of reducing a chance of the data being detected during the conduction is being a problem now days. Some way out to be discussed is how to pass data in a manner that the very existence of the message is unknown in order to prevent interest of the possible attacker. This approach of data hiding can be extended to copyright protection for digital media. This paper present a comparative study of majority vote parity check method and tree-based parity check. Result shows that Majority vote strategy results in least distortion for finding a stego object.
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