NDLI: Dynamic distribution technique for session management in CWMP server clusters

Content Provider	IET Digital Library
Author	Lee, Kuen Min Teng, Wei Guang Wu, Jin Neng Chen, Ping Yu Huang, Mu Kai Hou, Ting Wei
Abstract	An appropriate session management technique is crucial in CPE WAN (customer premises equipment code area method) management protocol (CWMP) to efficiently handle numerous sessions. In addition, with the rapid growth of mobile devices, more clients with wireless links result in an environment with possibly higher connection failure rates (CFRs). To improve the resource utilisation in a server cluster, the feature of predictable numbers of connections in all CWMP sessions is used to design a dynamic distribution (DD) technique. By adaptively choosing an appropriate session management strategy, the proposed DD technique helps to minimise memory and time consumption in different network situations. When the network situation is good or there are only a small number of connections, DD distributes each session to a single cluster node. However, as the CFR increases with a large number of connections, DD replicates a session to a number of cluster nodes, but not to all cluster nodes. Furthermore, as the network situation improves, the replicated sessions are adaptively removed so as to reduce memory usage. Experimental results show that the DD approach generally outperforms previous techniques in terms of both memory and time consumption, especially when the CFR is higher than 2.8%.
Starting Page	1639
Ending Page	1641
Page Count	3
ISSN	00135194
Volume Number	50
e-ISSN	1350911X
Issue Number	Issue 22, Oct (2014)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/el/50/22
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/el.2014.1167
Journal	Electronics Letters
Publisher Date	2014-10-16
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	CFRs Computer Communication Computer Network Management Computer Network Reliability Connection Failure Rates CPE WAN Management Protocol CWMP Server Clusters DD Technique Dynamic Distribution Technique Failure Analysis Mainframes And Minicomputers Memory Consumption Mobile Device Network Management Network Servers Network Situation Other Computer Network Protocol Radio Link Radio Link And Equipment Reliability Resource Utilisation Session Management Technique Single Cluster Node Time Consumption Wide Area Network Wireless Link
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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