集群的session管理

session管理根据session保存的位置分为4种

 

                                                  session复制              session绑匪           利用cookie记录session      session服务器

每个session保存位置             每台缓存服务器       其中一台服务器      用户各自的cookie       专门的session服务器

session保存服务端/客户端         服务端                    服务端                       客户浏览器端                       服务端              

高性能                                        良                           优                               良                                        优

高可用                                        优                           差                               优                                        优

伸缩性                                        差                           差                               优                                        优

安全性                                        优                           优                               良                                        优