i hvnt heard about ...how the openstack is getting the dhcp ip without registration of mac address ?

Your message is ready to be sent with the following file or link attachments:
Rohit Sansiya

https://sites.google.com/view/rpgcloud/research-india

Note: To protect against computer viruses, e-mail programs may prevent sending or receiving certain types of file attachments. Check your e-mail security settings to determine how attachments are handled.