公开(公告)号：GB2510770A

公开(公告)日：2014-08-13

申请号：GB201409195

申请日：2013-01-23

Applicant: IBM

Inventor： KALYANARAMAN SHIVKUMAR ,  MANN VIJAY ,  KANNAN KALAPRIYA ,  ANIL KUMAR VISHNOI

IPC: G06F9/48 ,  H04L45/741 ,  G06F9/455 ,  H04L45/50

Abstract: Methods and arrangements for facilitating virtual machine migration across data centers. A virtual machine is designated for migration from a first data center to a second data center, the virtual machine including a real identifier. A pseudo identifier is assigned to the virtual machine, and the pseudo identifier is mapped to the real identifier at a controller of the first data center. The real identifier is replaced in a data packet with the pseudo identifier for a routing task. Communication is maintained between the controller of the first data center and a controller of the second data center, and the controllers are synchronized to update a correct location of the virtual machine. The virtual machine is migrated from the first data center to the second data center.