| Authors: | Kambourakis G., Geneiatakis D., Gritzalis S., Dagiuklas T., Lambrinoudakis C., Ehlert S., Fiedler J. |
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| Title: | High Availability for SIP: Solutions and Real-Time Measurement Performance Evaluation |
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| Journal: | International Journal of Disaster Recovery and Business Continuity |
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| Volume: | 1 |
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| Number: | 1 |
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| Pages: | 11-30 |
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| Year: | 2010 |
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| Publisher: | SERSC |
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| To appear: | No |
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| Link: | http://www.sersc.org/journals/IJDRBC/vol1_no1_2010/2.pdf |
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| ISI: | No |
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| Abstract: | SIP is rapidly becoming a standard for service integration within a variety of wireless and
wireline networks. In this regard high availability, reliability and redundancy are key factors
for any SIP based infrastructure. In an adverse environment, especially the Internet and
foreseeable 3GPP IMS, high availability solutions are of major importance for SIP network
components to smoothly mitigate call increments, device failures, misconfigurations, physical
disasters and throttle active attacks. This paper proposes a practical and transparent failover
solution for SIP and RTP-Proxy servers. We demonstrate that both methods work properly
and increase stability and availability of such systems. Furthermore, high availability
solutions are enhanced through the employment of easy to implement load balancing
schemes. All the proposed solutions are technically analyzed and evaluated via properly
designed test-beds, showing fine performance in terms of service times. |
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