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Joint Optimization of Service Function Placement and Flow Distribution for Service Function Chaining
IEEE Journal on Selected Areas in Communications, 2017 In this paper, we consider the problem of optimal dynamic service function (SF) placement and flow routing in a SF chaining (SFC) enabled network. We formulate a multi-objective optimization problem to maximize the acceptable flow rate and to minimize the energy cost for multiple service chains.
Insun Jang +2 more
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On Achieving Trustworthy Service Function Chaining
IEEE Transactions on Network and Service Management, 2021Service Function Chaining (SFC) has recently received considerable attentions from both industry and academia, due to its potential for improving the flexibility of provisioning and composition of Virtualized Network Functions (VNFs) to suit application-specific needs.
Montida Pattaranantakul +6 more
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Tenant-defined service function chaining in a multi-site network slice [PDF]
Future Generation Computer Systems, 2021 Service Function Chaining (SFC) enables dynamic and adaptive network service provisioning. However, virtual infrastructure providers are reluctant to disclose SFC APIs and infrastructure monitoring information to tenants, therefore undermining tenants ...
Federica Paganelli +2 more
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Large-Scale Service Function Chaining Management and Orchestration in Smart City
Electronics (Switzerland), 2023 In the core networking of smart cities, mobile network operators need solutions to reflect service function chaining (SFC) orchestration policies while ensuring efficient resource utilization and preserving quality of service (QoS) in large-scale ...
Prohim Tam, Seungwoo Kang, Seyha Ros
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Service Function Chaining in Wildfire Scenarios
2021 IEEE 7th International Conference on Network Softwarization (NetSoft), 2021Mission Critical Services (MCS) are associated with public safety networks and their support has been progressively introduced in LTE/5G standards. MCS are composed by distinct functions that are required for voice and critical data communications, along with strict security requirements.
Bruno Miguel Sousa +3 more
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Optimal placement of service function in service function chaining
2016 Eighth International Conference on Ubiquitous and Future Networks (ICUFN), 2016In service function chaining (SFC), an ordered list of service functions (SFs) is specified for network services, and those SFs should be placed in appropriate service nodes (SNs) to satisfy the given service latency requirement. In this paper, we formulate an integer non-linear programming (INLP) problem for the optimal placement of SFs when the ...
Haneul Ko +4 more
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Virtual network function placement and routing for multicast service chaining using merged paths [PDF]
Optical Switching and Networking, 2020 This paper proposes a virtual network function placement and routing model for multicast service chaining based on merging multiple service paths (MSC-M). The multicast service chaining (MSC) is used for providing a network-virtualization based multicast
Takehiro Sato, Eiji Oki
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Service failure diagnosis in service function chain
2017 19th Asia-Pacific Network Operations and Management Symposium (APNOMS), 2017Network function virtualization (NFV) is a powerful emerging technique with widespread applicability. It provides Network Functions (NFs) through software virtualization techniques that decouple software and hardware. Some connected network functions constitute a service function chain (SFC).
Shilei Zhang +3 more
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Distributed service function failover mechanism in service function chaining
2017 International Conference on Information Networking (ICOIN), 2017In service function chaining (SFC), end-to-end traffic flows are classified and processed by an ordered set of service functions (SFs). When SF in the chain fails, the corresponding traffic flows cannot be processed further to reach the destination until the failed SF recovers.
Dongeun Suh +4 more
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Fault Tolerant Service Function Chaining
Proceedings of the Annual conference of the ACM Special Interest Group on Data Communication on the applications, technologies, architectures, and protocols for computer communication, 2020Network traffic typically traverses a sequence of middleboxes forming a service function chain, or simply a chain. Tolerating failures when they occur along chains is imperative to the availability and reliability of enterprise applications. Making a chain fault-tolerant is challenging since, in the event of failures, the state of faulty middleboxes ...
Milad Ghaznavi +4 more
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