Compression Method for IPSec over 6LoWPAN
Huqing Wang, Zhixin Sun · KSII Transactions on Internet and Information Systems · 2018
This paper focuses on a header compression method for the Authentication Header (AH) and Encapsulation Security Payload (ESP) for application to 6LoWPAN.Based on the context, an extendible compression method is developed by analysing each field of the AH and ESP.The method is carried out by resetting the AH and ESP header compression formats, adding a MOD field, and setting different working modes.Authentication, encryption, and a mixture of certification and encryption are provided as flexible options.In addition, the value of the original IPv6 extensible header ID (EID) field can be retained, while the number of occupied NHC_ID values can be decreased for future extendibility.The experimental results show the feasibility and validity of the current compression method.By comparison with other solutions, the new mechanism is demonstrated to be advantageous in terms of compression ratio, flexibility and extendibility.