作者
Narjes Tahghigh Jahromi, Somayeh Kianpisheh, Roch H Glitho
发表日期
2018/6/25
研讨会论文
2018 IEEE International Symposium on Local and Metropolitan Area Networks (LANMAN)
页码范围
19-24
出版商
IEEE
简介
Value-added Services (VASs) (e.g. dynamic site acceleration, media management) play a critical role in Content Delivery Networks (CDNs). Network Functions Virtualization (NFV) enables the agile provisioning of VASs. In NFV settings, VASs are provisioned as ordered sets of Virtual Network Functions (VNFs), forming VNF-Forwarding Graphs (VNF-FG) which are deployed in the CDN infrastructure. The CDN VAS VNF-FGs have a specific characteristic: they have one end-point (corresponding to the content server) that is unknown, prior to their placement. The proposals for CDN VAS VNF-FG placement, so far, have only considered offline placement, where the VNF-FGs are placed before end-user traffic steers into the network. However, in concrete cases, a change in service usage patterns might occur, a situation that could require a VNF-FG placement in an online manner. This paper tackles the problem of …
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NT Jahromi, S Kianpisheh, RH Glitho - 2018 IEEE International Symposium on Local and …, 2018