IPSec Performance
Transport mode and tunnel mode
https://www.ibm.com/support/knowledgecenter/en/SSLTBW_2.3.0/com.ibm.zos.v2r3.halz002/ipsecurity_ipsec_ah_esp_encap_modes.htm
Performance
IPSec: Performance Analysis and Enhancements
https://web.cs.wpi.edu/~cshue/research/icc07.pdf
IPSec: Protocol Challenges and Performance Analysis and Enhancements https://www.academia.edu/9339492/IPSec_Protocol_Challenges_and_Performance_Analysis_and_Enhancements
OpenWRT performance (December 2015)
https://wiki.openwrt.org/doc/howto/vpn.ipsec.performance
Hamad, Mohammad, and Vassilis Prevelakis. "Implementation and performance evaluation of embedded IPsec in microkernel OS." In Computer Networks and Information Security (WSCNIS), 2015 World Symposium on, pp. 1-7. IEEE, 2015.
https://www.researchgate.net/profile/Mohammad_Hamad3/publication/282977852_Implementation_and_Performance_Evaluation_of_Embedded_IPsec_on_Microkernel_OS/links/577e257f08aed807ae7ae298.pdf
NAT Traversal
How Does NAT-T work with IPSec?
https://community.cisco.com/t5/security-documents/how-does-nat-t-work-with-ipsec/ta-p/3119442
https://www.ibm.com/support/knowledgecenter/en/SSLTBW_2.3.0/com.ibm.zos.v2r3.halz002/ipsecurity_ipsec_ah_esp_encap_modes.htm
Performance
IPSec: Performance Analysis and Enhancements
https://web.cs.wpi.edu/~cshue/research/icc07.pdf
IPSec: Protocol Challenges and Performance Analysis and Enhancements https://www.academia.edu/9339492/IPSec_Protocol_Challenges_and_Performance_Analysis_and_Enhancements
OpenWRT performance (December 2015)
https://wiki.openwrt.org/doc/howto/vpn.ipsec.performance
Hamad, Mohammad, and Vassilis Prevelakis. "Implementation and performance evaluation of embedded IPsec in microkernel OS." In Computer Networks and Information Security (WSCNIS), 2015 World Symposium on, pp. 1-7. IEEE, 2015.
https://www.researchgate.net/profile/Mohammad_Hamad3/publication/282977852_Implementation_and_Performance_Evaluation_of_Embedded_IPsec_on_Microkernel_OS/links/577e257f08aed807ae7ae298.pdf
NAT Traversal
How Does NAT-T work with IPSec?
https://community.cisco.com/t5/security-documents/how-does-nat-t-work-with-ipsec/ta-p/3119442