Performance evaluation of software virtual private networks (VPN)

L
LCN
2000
25th Annual IEEE International Conference on Local Computer Networks (LCN'00)
Abstract - Performance evaluation of software virtual private networks (VPN)

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	Similar Articles Articles by C.J.C. Pena Articles by J. Evans

25th Annual IEEE International Conference on Local Computer Networks (LCN'00)

Tampa, Florida

November 08-November 10

ISBN: 0-7695-0912-6

	ASCII Text	x
	C.J.C. Pena, J. Evans, "Performance evaluation of software virtual private networks (VPN)," Local Computer Networks, Annual IEEE Conference on, pp. 522, 25th Annual IEEE International Conference on Local Computer Networks (LCN'00), 2000.

	BibTex	x
	@article{ 10.1109/LCN.2000.891094, author = {C.J.C. Pena and J. Evans}, title = {Performance evaluation of software virtual private networks (VPN)}, journal ={Local Computer Networks, Annual IEEE Conference on}, volume = {0}, year = {2000}, issn = {0742-1303}, pages = {522}, doi = {http://doi.ieeecomputersociety.org/10.1109/LCN.2000.891094}, publisher = {IEEE Computer Society}, address = {Los Alamitos, CA, USA}, }

	RefWorks Procite/RefMan/Endnote	x
	TY - CONF JO - Local Computer Networks, Annual IEEE Conference on TI - Performance evaluation of software virtual private networks (VPN) SN - 0742-1303 SP EP A1 - C.J.C. Pena, A1 - J. Evans, PY - 2000 KW - business communication; local area networks; data compression; software performance evaluation; software packages; software virtual private networks; VPN; performance evaluation; software VPN; CPU usage; network throughput; performance measurements; VPN programs; Ethernet link; transference speed; encryption; compression; CPU overhead; low speed serial link; software packages; 100 Mbit/s VL - 0 JA - Local Computer Networks, Annual IEEE Conference on ER -

C.J.C. Pena, Dept. of Electr. Eng. & Comput. Sci., Kansas Univ., Lawrence, KS, USA

J. Evans, Dept. of Electr. Eng. & Comput. Sci., Kansas Univ., Lawrence, KS, USA

DOI Bookmark: http://doi.ieeecomputersociety.org/10.1109/LCN.2000.891094

Virtual private networks implemented in software provide an economic and accessible alternative to hardware VPN solutions. Software VPNs may have a significant impact on performance, producing high CPU usage and limiting network throughput. This paper presents the performance measurements of several VPN programs. The results over a 100 Mb/s Ethernet link show that the transference speed can degrade in more than 65% while the CPU usage can reach 97%, when strong encryption is enabled. Compression implemented at the user level adds an additional CPU overhead that has a negative effect on the performance. The results over a low speed serial link show that the CPU usage is not significantly affected by the VPN. Furthermore, compression can be enabled without overhead, increasing the network throughput when the data is compressible.

Index Terms:

business communication; local area networks; data compression; software performance evaluation; software packages; software virtual private networks; VPN; performance evaluation; software VPN; CPU usage; network throughput; performance measurements; VPN programs; Ethernet link; transference speed; encryption; compression; CPU overhead; low speed serial link; software packages; 100 Mbit/s

Citation:

C.J.C. Pena, J. Evans, "Performance evaluation of software virtual private networks (VPN)," lcn, pp.522, 25th Annual IEEE International Conference on Local Computer Networks (LCN'00), 2000

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