ICS03.060 A11JR 中华人民共和国金融行业标准 JR/T0182—2020 轻量级实时STEP消息传输协议 LightweightrealtimeSTEPmessagetransferprotocol 2020-02-26发布 2020-02-26实施 中国证券监督管理委员会发布JR/T0182—2020 I目  次 前言.......................................................................................................................................................................II 引言.....................................................................................................................................................................III 1范围...................................................................................................................................................................1 2规范性引用文件...............................................................................................................................................1 3术语和定义.......................................................................................................................................................1 4会话机制...........................................................................................................................................................1 4.1关键概念的重要说明...............................................................................................................................1 4.2会话管理...................................................................................................................................................5 4.3恢复...........................................................................................................................................................6 5消息规范...........................................................................................................................................................6 5.1消息结构...................................................................................................................................................7 5.2管理消息...................................................................................................................................................8 6数据字典.........................................................................................................................................................14 6.1数据类型.................................................................................................................................................14 6.2会话层域规范.........................................................................................................................................15 附录A（规范性附录）计算校验和................................................................................................................17 附录B（规范性附录）处理心跳和测试请求................................................................................................18 附录C（规范性附录）登录场景....................................................................................................................19 C.1正常登录场景一.....................................................................................................................................19 C.2正常登录场景二.....................................................................................................................................20 C.3正常登录场景三.....................................................................................................................................20 C.4异常登录场景一.....................................................................................................................................22 C.5异常登录场景二.....................................................................................................................................22 附录D（规范性附录）处理会话拒绝............................................................................................................24 附录E（规范性附录）处理重传请求场景....................................................................................................25 E.1处理重传请求场景一................................................................................