Itâs not just the size of these pockets in skin cells that differs, but also the density of melanin packed within them. In black skin the melanin is packed so tightly that it absorbs and scatters more light, giving you more protection from the sunâs ultraviolet rays.
If a component of the team needs to be replaced, the new person can understand where the project is currently, easily. The Agile method on the other hand is an iterative and incremental approach to software development. In this form of SDLC small modules of the final products are released for the users to review and then are changed accordingly.
SDLC is quite old and has since been replaced by HDLC and Advanced Data Communication Control Procedures or ADCCP, which is the version standardized by ANSI, due to the latterâs superiority. There are also a number of competing protocols that serve as alternatives to SDLC and HDLC. Summary: 1.HDLC is actually adopted from SDLC 2.HDLC is a standard protocol while SDLC is not 3.HDLC has the Asynchronous Balanced Mode feature while SDLC does not 4.HDLC supports frames that are not multiple of bit-octets while SDLC does not