A new Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Operations and Management Area Working Group Working Group of the IETF.
Title : IEEE 802.11 MAC Profile for CAPWAP
Author(s) : C. Shao, et al
Filename : draft-ietf-opsawg-capwap-hybridmac
Pages : 11
Date : 2014-07-16
The CAPWAP protocol defines two entities: a Wireless Transmission
Point (WTP) and an Access Controller (AC). The CAPWAP protocol
binding for IEEE 802.11 defines two MAC (Medium Access Control) modes
for IEEE 802.11 WTP: Split and Local MAC, and describes the required
functionality split between the WTP and AC for each mode. However,
in the split MAC mode, the partitioning of encryption/decryption
functions are not been clearly clearly defined. In the Split MAC
mode description, IEEE 802.11 encryption is specified as located in
either at the AC or the WTP, with no clear way for the AC to inform
the WTP of where the encryption functionality should be located.
This lack of specification leads to interoperability issues,
especially when the AC and WTP come from different vendors. To
prevent interoperability issues, this specification defines an IEEE
802.11 MAC profile message element in which each profile specifies an
unambiguous division of encryption functionality between the WTP and
AC. The IEEE 802.11 MAC profile is used as follows: the WTP informs
the AC of the supported profiles during the discovery or join process
and the AC configures the WTP with one of the supported profiles when
configuring the WLAN.
A URL for this Internet-Draft is:
https://www.ietf.org/internet-drafts/draft-ietf-opsawg-capwap-hybridmac-05.txt
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