SipCloud

Kim, Jong Yul; Schulzrinne, Henning

doi:10.1145/2124436.2124450

Proceedings of the 5th International Conference on Principles, Systems and Applications of IP Telecommunications 2011

DOI: 10.1145/2124436.2124450

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SipCloud

Jong Yul Kim

Henning Schulzrinne

Abstract: One of the features of cloud computing platforms is the ability to scale applications dynamically. Generally, this feature is used in a web services context where the web service provider adds more web servers during times of high traffic and remove web servers during time of low traffic. Real-time communications service providers can also benefit from such feature. In this project, we propose and implement a highly scalable SIP proxy architecture that utilizes dynamic scalability. An evaluation of dynamic sca… Show more

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Cited by 4 publications

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Cloud Support for Latency-Sensitive Telephony Applications

Kim

Schulzrinne

2013

2013 IEEE 5th International Conference on Cloud Computing Technology and Science

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Abstract-Cloud computing is great for scaling applications but the latency in a guest VM can be unpredictable due to resource contention between neighbors. For telephony applications, which are latency-sensitive, we propose a system to monitor telephony server latencies and adapt the server load based on the measured latencies. We implemented the system and evaluated it on an Amazon EC2 testbed. We show indirectly by comparing our server on EC2 and on a local VM, that there may be contention between EC2 VMs in the wild that leads to higher server latency. While there is some overhead due to constant monitoring of the server, our system manages to lower latency by reducing the load to the server.

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Cloud Support for Latency-Sensitive Telephony Applications

Kim

Schulzrinne

2013

2013 IEEE 5th International Conference on Cloud Computing Technology and Science

Self Cite

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Quality Audit and Resource Brokering for Network Functions Virtualization (NFV) Orchestration in Hybrid Clouds

G¹,

Pernafini²,

Bellavista³

et al. 2014

2015 IEEE Global Communications Conference (GLOBECOM)

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Technical and economic opportunities of cloud computing become the focus for Internet applications and at the same time also for telco support infrastructures and network services. In fact, many telco providers are consolidating their service infrastructures towards converged and all-IP next generation networks providing typical telco services within LTE (and soon 5G) and also fixed network environments, e.g., often still adopting IP Multimedia Subsystem (IMS) architecture solutions. This telco service infrastructure evolution requires a significant upfront investment in the necessary hardware and software, thereby slowing down the adoption process significantly more than any other Internet application. Cloud computing applied to telco infrastructures can allow pay-per-use business models and significantly lower investment risks by providing telco infrastructure functionality as Virtual Network Functions (VNFs) on top of a Network Functions Virtualization (NFV) platform. For this purpose we propose a quality audit and resource brokering framework that is fully NFV-compliant. Its current and reported implementation specifically targets IMS services because of the still relevant role played by IMS in converged provisioning and the wide availability of IMS deployment testbeds to validate the proposal. In particular, the proposed solution can monitor the quality offered by VNFs and scale in/out depending on dynamic requirements; it is fully based on industrial standards and opensource reference implementations, thus enabling rapid adoption in real industrial environments.

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Quality Audit and Resource Brokering for Network Functions Virtualization (NFV) Orchestration in Hybrid Clouds

Carella

Pernafini

Bellavista

et al. 2015

2015 IEEE Global Communications Conference (GLOBECOM)

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SipCloud

Cited by 4 publications

References 2 publications

Cloud Support for Latency-Sensitive Telephony Applications

Cloud Support for Latency-Sensitive Telephony Applications

Quality Audit and Resource Brokering for Network Functions Virtualization (NFV) Orchestration in Hybrid Clouds

Quality Audit and Resource Brokering for Network Functions Virtualization (NFV) Orchestration in Hybrid Clouds

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