In the intra Chord each node only needs to know its direct predecessor and direct successor and leader node and nodes ' joining in or out of the intra Chord will not affect the whole system it also can increase the stability of the system .

intraChordu4e2du7684u8282u70b9u53eau9700u77e5u9053u5176u76f4u63a5u524du9a71 u8282u70b9u3001u76f4u63a5 u540eu7ee7 u8282u70b9u548cleader u8282u70b9uff0cu800cu4e14intraChordu4e2du8282u70b9u7684u52a0u5165u4e0eu9000u51fau5e76u4e0du5f71u54cdu6574u4e2au7cfbu7edfuff0cu56e0u6b64u4e5fu63d0u9ad8u4e86u7cfbu7edfu7684u7a33u5b9au6027u3002

The main idea is that we construct a hierarchical ring overlay which covers all the members in the group and then managing the members by layers and clusters . The overlay survivability is improved by means of spare ring successor list and secondary leader node .

u603bu4f53u601du8defu662fu6784u9020u4e00u4e2au8986u76d6u6240u6709u7ec4u6210u5458u7684u5c42u6b21u73afu8986u76d6u7f51uff0cu5c06u7ec4u6210u5458u8fdbu884cu5206u5c42u5206u7c07u7ba1u7406uff0cu5e76u901au8fc7u5907u7528u73afu3001 u540eu7ee7u8868u548cu8f85u52a9u9886u5bfc u8282u70b9u7b49u65b9u6cd5u63d0u9ad8u7ec4u64adu8986u76d6u7f51u7684u53efu751fu5b58u6027u3002

Compared with Judy J # - tree adds a precursor pointer and a successor pointer into every leaf node pointing to the precursor node and the successor node respectively .

u4e0eJudyu76f8u6bd4uff0cJu6811u901au8fc7u5728u53f6u7ed3u70b9u4e2du589eu52a0u4e00u4e2au524du9a71u6307u9488u548cu4e00u4e2au540eu7ee7u6307u9488uff0cu5206u522bu6307u5411u8be5 u7ed3u70b9u7684u524du9a71u7ed3u70b9u548c u540eu7ee7 u7ed3u70b9u3002