Preservation of shared backup path in k ‐node content based elastic optical datacenter networks

The VoIP communication system at OMNI Hospital Alam Sutera uses the Elastix 2.5 server with the Centos 5.11 operating system. Elastix 2.5 by the developer has been declared End of Life. The server security system is a serious concern considering that VoIP servers can be accessed from the internet. Iptables and fail2ban applications are applications that are used to limit and counteract those who try to attack the VoIP server. One application that can be used as an open source VoIP server is the Issabel Application version 4.0. The migration process from Elastix 2.5 application to Issabel 4.0 by backing up all configurations in the Elastix 2.5 application through a web browser including the configuration of endpoints, fax, e-mail, asterisk. After the backup file is downloaded then upload the backup file to the Issabel 4.0 application then run the migration process. Adding a backup path as a failover connection is needed because the VoIP communication protocol between the OMNI Hospitals Group still uses one path so that when there is a problem in the connection path, the communication protocol will stop. The tunnel EoIP is a protocol used as a backup path between the OMNI Hospitals Group site.

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Clustering algorithm based on backup path in wireless sensor network

Journal of Computer Applications ◽

10.3724/sp.j.1087.2012.00920 ◽

2013 ◽

Vol 32 (4) ◽

pp. 920-923

Author(s):

Ding DING ◽

Fang-ai LIU ◽

Qian-qian LI ◽

Guang-xu YANG

Keyword(s):

Wireless Sensor Network ◽

Sensor Network ◽

Clustering Algorithm ◽

Wireless Sensor ◽

Backup Path

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Cloud-integrated wireless-optical broadband access network with survivability

International Journal of Sensors Wireless Communications and Control ◽

10.2174/2210327910666200213121623 ◽

2020 ◽

Vol 10 ◽

Author(s):

Sangita Solanki ◽

Raksha Upadhyay ◽

Uma Rathore Bhatt

Keyword(s):

Access Network ◽

Access Networks ◽

Manhattan Distance ◽

Broadband Access ◽

Optical Access Networks ◽

Component Level ◽

Backup Path ◽

Wireless Router ◽

Path Computation ◽

Broadband Access Network

Cloud-integrated wireless optical broadband (CIW) access networks inheriting advantages of cloud computing, wireless and optical access networks have a broad prospect in the future. Due to failure of components like OLT level, ONU level, link or path failure and cloud component level in CIW, survivability is becoming one of the important issues. In this paper, we have presented cloud-integrated wireless-optical broadband access network with survivability using integer linear programming (ILP) model, to minimize the number of cloud components while providing maximum backup paths. Hence, we have proposed protection through cloud-integrated wireless router to available ONUs (PCIWRAO). So, evaluated the backup path computation. We have considered ONU level failure in which the affected traffic is transferred through wireless routers and cloud component to the available ONUs using Manhattan distance algorithm. Simulation results show different configurations for different number of routers and cloud components illustrating available backup path when ONU fails.

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