From: Wen Congyang <we...@cn.fujitsu.com> add colo readme, refer to http://wiki.xen.org/wiki/COLO_-_Coarse_Grain_Lock_Stepping
Signed-off-by: Yang Hongyang <hongyang.y...@easystack.cn> Signed-off-by: Wen Congyang <we...@cn.fujitsu.com> Signed-off-by: Changlong Xie <xiecl.f...@cn.fujitsu.com> Acked-by: Ian Campbell <ian.campb...@citrix.com> Acked-by: Wei Liu <wei.l...@citrix.com> --- docs/README.colo | 9 +++++++++ 1 file changed, 9 insertions(+) create mode 100644 docs/README.colo diff --git a/docs/README.colo b/docs/README.colo new file mode 100644 index 0000000..466eb72 --- /dev/null +++ b/docs/README.colo @@ -0,0 +1,9 @@ +COLO FT/HA (COarse-grain LOck-stepping Virtual Machines for Non-stop Service) +project is a high availability solution. Both primary VM (PVM) and secondary VM +(SVM) run in parallel. They receive the same request from client, and generate +response in parallel too. If the response packets from PVM and SVM are +identical, they are released immediately. Otherwise, a VM checkpoint (on demand) +is conducted. + +See the website at http://wiki.xen.org/wiki/COLO_-_Coarse_Grain_Lock_Stepping +for details. -- 1.9.3 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
