Incisions are made in the ear canal and the remnant of the eardrum is lifted up. The ear canal may be widened. A tissue graft from the ear muscle (fascia) or cartilage is obtained and is slid under the eardrum. Packing is placed in the middle ear and ear canal to hold the graft and drum against each other to heal.
ECC stands for Enterprise Central Component. The purpose of positioning it as ECC is to enable SAP to build and develop an environment of other products that can function upon the foundation of the central component. R/3 Enterprise was replaced with the introduction of ERP Central Component.
IEEE 802.1af provides authentication and cryptographic key distribution framework. Media Access Control (MAC) Security, often known as MACSec is a IEEE standard based protocol for securing communication among the trusted components of a 802.1 LAN.t is important to note that MACSec itself can not operate in itself to provide the promised services. It has to be used in conjunction with appropriate policies for complimentary and higher level protocol, and authentication and authorization framework and network management.