red5 集群配置，包括两种方案，edge+origin方案。terracotta+red5方案。-red5 cluster configuration, including two programs, edge+ origin program. terracotta+ red5 program.

java下的集群，Terracotta的java虚拟机级别的集群配置与管理。-java under the cluster, Terracotta' s java virtual machine level of the cluster configuration and management.