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1. 发明授权

US06590867B1 Internet protocol (IP) class-of-service routing technique 失效
标题翻译：互联网协议（IP）类服务路由技术
公开(公告)号：US06590867B1
公开(公告)日：2003-07-08
申请号：US09321027
申请日：1999-05-27
申请人： Gerald Richard Ash , Jiayu Chen , Saul Daniel Fishman , Anurag S. Maunder
发明人： Gerald Richard Ash , Jiayu Chen , Saul Daniel Fishman , Anurag S. Maunder
IPC分类号： H04J116
CPC分类号： H04L45/02 , H04L45/302
摘要： The priority of the flow of packets representing calls or other connection requests within a packet network (10) is determined from the Class-of-Service of the call. Upon receipt of a call, a recipient router (121, 122, 123) identifies available paths, typically by exchanging messages with the other routers in the network. After selecting the path, the recipient router or centralized bandwidth broker determines whether the links comprising the selected path have available bandwidth for the class of service of the call. If so, the router routes the call to the next hop along the path. Otherwise, the router selects another path(s) and checks whether the links on the path possess sufficient bandwidth for the class of service of the call.
摘要翻译：在分组网络（10）中表示呼叫或其他连接请求的分组流的优先级是根据该呼叫的服务等级来确定的。在接收到呼叫时，接收者路由器（121,122,123）通常通过与网络中的其他路由器交换消息来识别可用路径。在选择路径之后，接收者路由器或集中带宽代理确定包括所选路径的链路是否具有用于该呼叫的服务类别的可用带宽。如果是这样，则路由器将该呼叫路由到沿路径的下一跳。否则，路由器选择另一路径，并检查路径上的链路是否具有用于呼叫服务类别的足够带宽。

2. 发明授权

US06496480B1 Success-to-the-top class of service routing 失效
标题翻译：成功到顶级的服务路由
公开(公告)号：US06496480B1
公开(公告)日：2002-12-17
申请号：US09271473
申请日：1999-03-17
申请人： Gerald Richard Ash , Jiayu Chen , Saul Daniel Fishman , Anurag S. Maunder
发明人： Gerald Richard Ash , Jiayu Chen , Saul Daniel Fishman , Anurag S. Maunder
IPC分类号： H04J314
CPC分类号： H04Q3/66 , H04Q2213/13141 , H04Q2213/13145 , H04Q2213/13164 , H04Q2213/1322 , H04Q2213/13251 , H04Q2213/1329 , H04Q2213/13296
摘要： An originating switch (110) in a packet-based telecommunications network (100) routes calls to a terminating switch using the combination of Success-to-the Top (STT) and Class-of-Service criterion. In routing a call to the terminating switch, the originating switch 110 checks for available bandwidth for the class of service of the call on the direct path (116) between switches. If the path has available bandwidth, the originating switch routes on the direct path. Otherwise, the originating switch searches for the most recently successful one of a plurality the via switches (1181-118n) linking the originating and terminating switches to determine whether that via switch can successfully route the call to the terminating switch. If the most recently successful one of the via switches possesses available bandwidth to route the call in accordance with its class of service, the originating switch 110 selects that via switch to route the call. Otherwise, if the most-recently successful via switch can not route the call, the originating switch 110 searches for a next successful via switch. If none of the via switches 1181-118n can successfully route the call in accordance with its class of service, the originating switch will either attempt a route advance or crankback the call.
摘要翻译：基于分组的电信网络（100）中的始发交换机（110）使用成功到顶部（STT）和服务等级标准的组合将呼叫路由到终端交换机。在将呼叫路由到终端交换机时，始发交换机110在交换机之间的直接路径（116）上检查呼叫的业务类别的可用带宽。如果路径具有可用带宽，则始发交换机在直接路径上路由。否则，始发交换机搜索链接发起和终止交换机的多个通过交换机（1181-118n）中最近成功的一个，以确定该通过交换机是否能够成功地将呼叫路由到终接交换机。如果通过交换机中最近成功的一个具有可用带宽以根据其服务等级来呼叫呼叫，则始发交换机110选择通过交换机路由该呼叫。否则，如果最近成功的通过交换机不能路由呼叫，则始发交换机110搜索下一个成功的通过交换机。如果通过交换机1181-118n中没有一个可以根据其服务等级成功地路由呼叫，则始发交换机将尝试路由提前或启动呼叫。

3. 发明授权

US07561519B1 PNNI-based mult-link shortest path class-of service routing technique 有权
标题翻译：基于PNNI的多链路最短路径类服务路由技术
公开(公告)号：US07561519B1
公开(公告)日：2009-07-14
申请号：US10744722
申请日：2003-12-23
申请人： Gerald Richard Ash , Jiayu Chen , Saul Daniel Fishman , Anurag S. Maunder
发明人： Gerald Richard Ash , Jiayu Chen , Saul Daniel Fishman , Anurag S. Maunder
IPC分类号： H04J1/16 , H04J3/14 , H04L1/00 , H04L12/26 , H04L12/28
CPC分类号： H04L45/302 , H04L45/10 , H04L45/125 , H04L45/26 , H04L45/304 , H04L45/3065 , H04L2012/5621 , H04Q11/0478
摘要： The present invention concerns a technique for providing Class-of-Service Routing in an ATM network (10) that utilizes the Private Network-Network Interface (PNNI) protocol. An originating node seeking to route a call to a terminating node does so by initially determining the class-of-service and then selecting a shortest length path there-between. Each successive link on the selected path is examined for sufficient available bandwidth and available depth (i.e., bandwidth not reserved for other services) for the Class-of-Service of the call. If every link possesses sufficient available bandwidth, then the call passes on the selected path. Otherwise, should a link on the selected path lack sufficient bandwidth and available depth, then a crankback message is sent to the originating node, and the originating node selects the next shortest path. Thereafter, the process of examining each link for sufficient bandwidth is repeated. If no path is found, the call is ultimately blocked.
摘要翻译：本发明涉及一种在ATM网络（10）中提供服务类别路由的技术，该网络利用专用网络 - 网络接口（PNNI）协议。寻求将呼叫路由到终止节点的始发节点通过初始确定服务等级，然后选择其间的最短长度路径来实现。检查所选路径上的每个连续链路，以获得呼叫等级的足够的可用带宽和可用深度（即，不为其他服务保留的带宽）。如果每个链路具有足够的可用带宽，则呼叫将在所选路径上传递。否则，如果所选路径上的链路缺乏足够的带宽和可用深度，则向起始节点发送曲柄消息，并且始发节点选择下一个最短路径。此后，重复检查每个链路足够带宽的过程。如果没有找到路径，则呼叫最终被阻止。

4. 发明授权

US06778535B1 PNNI-based multi-link shortest path Class-of Service routing technique 失效
标题翻译：基于PNNI的多链路最短路径Class-of Service路由技术
公开(公告)号：US06778535B1
公开(公告)日：2004-08-17
申请号：US09538007
申请日：2000-03-29
申请人： Gerald Richard Ash , Jiayu Chen , Saul Daniel Fishman , Anurag S. Maunder
发明人： Gerald Richard Ash , Jiayu Chen , Saul Daniel Fishman , Anurag S. Maunder
IPC分类号： H04L1228
CPC分类号： H04L45/302 , H04L45/10 , H04L45/125 , H04L45/26 , H04L45/304 , H04L45/3065 , H04L2012/5621 , H04Q11/0478
摘要： The present invention concerns a technique for providing Class-of-Service Routing in an ATM network (10) that utilizes the Private Network-Network Interface (PNNI) protocol. An originating node seeking to route a call to a terminating node does so by initially determining the class-of-service and then selecting a shortest length path there-between. Each successive link on the selected path is examined for sufficient available bandwidth and available depth (i.e., bandwidth not reserved for other services) for the Class-of-Service of the call. If every link possesses sufficient available bandwidth, then the call passes on the selected path. Otherwise, should a link on the selected path lack sufficient bandwidth and available depth, then a crankback message is sent to the originating node, and the originating node selects the next shortest path. Thereafter, the process of examining each link for sufficient bandwidth is repeated. If no path is found, the call is ultimately blocked.
摘要翻译：本发明涉及一种在ATM网络（10）中提供服务类别路由的技术，该网络利用专用网络 - 网络接口（PNNI）协议。寻求将呼叫路由到终止节点的始发节点通过初始确定服务等级，然后选择其间的最短长度路径来实现。检查所选路径上的每个连续链路，以获得呼叫等级的足够的可用带宽和可用深度（即，不为其他服务保留的带宽）。如果每个链路具有足够的可用带宽，则呼叫将在所选路径上传递。否则，如果所选路径上的链路缺乏足够的带宽和可用深度，则向起始节点发送曲柄消息，并且始发节点选择下一个最短路径。此后，重复检查每个链路足够带宽的过程。如果没有找到路径，则呼叫最终被阻止。

5. 发明授权

US6021191A Automatic routing technique 失效
标题翻译：自动路由技术
公开(公告)号：US6021191A
公开(公告)日：2000-02-01
申请号：US811979
申请日：1997-03-05
申请人： Gerald Richard Ash , Jiayu Chen , Saul Daniel Fishman , David Zerling
发明人： Gerald Richard Ash , Jiayu Chen , Saul Daniel Fishman , David Zerling
IPC分类号： H04Q3/545 , H04M3/00 , H04Q3/64 , H04Q3/66 , H04M7/00 , H04M3/42
CPC分类号： H04Q3/66 , H04Q2213/1307 , H04Q2213/13141 , H04Q2213/13164 , H04Q2213/13166 , H04Q2213/13352 , H04Q2213/1338 , H04Q2213/13383
摘要： The routing of calls from one network (100) to another network (170) may be accomplished by tracking the call completion history over each trunk group (174.sub.1 -174.sub.2) connecting the networks. From a knowledge of the call completion history for each route, a Completion Rate Factor (CRF), representing the ratio of completed calls to all calls attempted is computed. The route having the CRF representing the highest number of completions is then selected. Typically, the process is dynamic, so that if the selected route no longer has the highest number of completions, then the route previously found to have the highest number of call completions is selected. The concept of completion rate factor routing can be extended to multiple carriers to yield a carrier completion rate feature routing technique. Routing may also be completed in accordance with network congestion to route advance a call.
摘要翻译：呼叫从一个网络（100）到另一个网络（170）的路由可以通过在连接网络的每个中继线群组（1741-1742）上跟踪呼叫完成历史来实现。根据每个路由的呼叫完成历史的知识，计算表示完成的呼叫与所有呼叫尝试的比例的完成率因子（CRF）。然后选择具有表示最高数量的完成的CRF的路线。通常，该过程是动态的，使得如果选择的路线不再具有最高数量的完成，则先前发现具有最高呼叫完成次数的路由被选择。完成率因子路由的概念可以扩展到多个载波，以产生载波完成率特征路由技术。路由也可以根据网络拥塞完成，以路由提前通话。

6. 发明授权

US6151315A Method and apparatus for achieving fabric independent routing technique 失效
标题翻译：实现结构独立路由技术的方法和装置
公开(公告)号：US6151315A
公开(公告)日：2000-11-21
申请号：US867256
申请日：1997-06-02
申请人： Gerald Richard Ash , Jiayu Chen , Saul Daniel Fishman
发明人： Gerald Richard Ash , Jiayu Chen , Saul Daniel Fishman
IPC分类号： H04Q3/00 , H04Q3/66 , H04L12/46
CPC分类号： H04Q3/66 , H04Q2213/1302 , H04Q2213/1304 , H04Q2213/13103 , H04Q2213/13106 , H04Q2213/13141 , H04Q2213/13164 , H04Q2213/13166 , H04Q2213/13204 , H04Q2213/13352
摘要： The routing of calls in a telecommunications switching system (12.sub.1, 12.sub.2) comprised of one or more fabrics (22.sub.1, 22.sub.2, 22.sub.3) controlled by corresponding fabric controllers (26.sub.1,26.sub.2 and 26.sub.3, respectively) is carried out by a routing processor (28) independent of the fabrics. The routing processor actually selects the route for each call by specifying a channel to a neighboring switching system to carry the call. Further, the routing processor has the capability to respond to queries from other switching systems regarding trunk group status and traffic load to enable the processor to assist the routing processor of the other switching system to make routing decisions. By implementing fabric independent routing, routing processing is re-used for new fabric capacity, and is readily extended to accommodate new service types, such as bursty data services. Fabric independent routing achieves lower development cost by avoiding re-development of routing functions on new fabric controllers, as they are added, and the addition of new routing features is made on a single routing processor function versus multiple fabric controllers. Fabric independent routing allows routing processing to be implemented on processors with essentially unlimited real-time and memory resources by riding the processor technology curve, and achieves performance advantages such as reduced call set up delay and improved overall switch reliability.
摘要翻译：由由对应的结构控制器（分别为261,262和263）控制的一个或多个结构（221,222,223）组成的电信交换系统（121,122）中的呼叫的路由由路由处理器（28）独立地执行的面料。路由处理器通过向相邻交换系统指定一个信道来进行呼叫，实际上为每个呼叫选择路由。此外，路由处理器具有响应来自其他交换系统的关于中继线群组状态和业务负载的查询的能力，以使处理器能够协助另一个交换系统的路由处理器进行路由决策。通过实现结构独立的路由，路由处理被重新用于新的结构容量，并且被容易地扩展以适应新的服务类型，例如突发数据服务。通过避免重新开发新架构控制器上的路由功能，独立路由可以实现更低的开发成本，并且在单个路由处理器功能与多个结构控制器之间添加新的路由功能。结构独立路由允许路由处理在具有实质上无限制的实时和内存资源的处理器上实现，通过采用处理器技术曲线，并实现了诸如减少呼叫建立延迟和提高整体交换机可靠性等性能优势。

7. 发明授权

US5943413A Method for selectively routing enhanced calls 失效
标题翻译：选择性地路由增强呼叫的方法
公开(公告)号：US5943413A
公开(公告)日：1999-08-24
申请号：US871061
申请日：1997-06-09
申请人： Gerald Richard Ash , Jiayu Chen , Sanjeev K. Deora , Young Lee
发明人： Gerald Richard Ash , Jiayu Chen , Sanjeev K. Deora , Young Lee
IPC分类号： H04Q3/545 , H04M3/00 , H04M3/40 , H04M7/00 , H04M7/06 , H04M11/00 , H04Q1/54 , H04Q3/42 , H04Q3/64
CPC分类号： H04M3/40 , H04M3/002 , H04M7/00 , H04M7/06
摘要： A telecommunications network (10) includes an Originating Switching System (12.sub.1) and a Terminating Switching System (12.sub.2) linked by a plurality of trunks (20.sub.1 -20.sub.4). For each incoming call it receives, the Originating Switching System establishes a Circuit Selection Capability Indicator (CSCI) value that determines what enhancement, if any, the Originating Switching System will provide to the call. The Originating Switching System also utilizes the CSCI value to select an appropriate trunk that is compatible with a type of call enhancement, if any, to route the call to the Terminating Switching System which also enhances the call in accordance with the CSCI value. Determining the call enhancement in accordance with the CSCI value allows different types of calls which are routed on the same trunk to get different call quality enhancements, depending on the call type.
摘要翻译：电信网络（10）包括由多个中继线（201-204）链接的起始交换系统（121）和终止交换系统（122）。对于其接收的每个来电，起始交换系统建立电路选择能力指示符（CSCI）值，其确定起始交换系统将提供给呼叫的增强（如果有的话）。始发交换系统还利用CSCI值来选择与一种类型的呼叫增强兼容的适当中继线（如果有的话）将呼叫路由到终止切换系统，该终端交换系统也根据CSCI值增强呼叫。根据CSCI值确定呼叫增强允许根据呼叫类型在同一中继线上路由的不同类型的呼叫获得不同的呼叫质量增强。

8. 发明授权

US5956396A Class-of-service automatic routing 失效
标题翻译：服务类自动路由
公开(公告)号：US5956396A
公开(公告)日：1999-09-21
申请号：US827966
申请日：1997-05-06
申请人： Gerald Richard Ash , Sanjeev K. Deora
发明人： Gerald Richard Ash , Sanjeev K. Deora
IPC分类号： H04M3/42 , H04M3/00 , H04Q3/00 , H04Q3/545 , H04Q3/66 , H04M7/00
CPC分类号： H04Q3/665 , H04Q3/0016 , H04Q3/0029 , H04Q2213/13141 , H04Q2213/13204 , H04Q2213/13251 , H04Q2213/13345 , H04Q2213/13352
摘要： Local/toll dynamic routing integration is achieved within a telecommunications network (14) that includes at least one dynamic routing local switching system (24-1) for receiving incoming call and a plurality of toll switching systems (27-1 through 27-7) at least one of which is associated with each local switching system. For each incoming call, the local switching system (24-1) derives a set of Class-Of-Service (COS) parameters indicative of the class-of service associated with the call. In accordance with the COS parameters, the local switching system (24-1) determines whether each incoming call is a featured call, requiring routing to the toll switching system associated therewith, or a non-featured call. Featured calls are routed to the toll switching system associated with the local switching system for feature processing, whereas non-featured calls are routed by the local switching system itself in accordance with the COS parameters, thus relieving the load on the associated toll switching system.
摘要翻译：在包括用于接收来话呼叫的至少一个动态路由本地交换系统（24-1）和多个长途交换系统（27-1至27-7）的电信网络（14）内实现本地/长途动态路由集成，其中至少一个与每个本地交换系统相关联。对于每个来电，本地交换系统（24-1）导出指示与呼叫相关联的服务等级的服务等级（COS）参数的集合。根据COS参数，本地交换系统（24-1）确定每个来话呼叫是否是特征呼叫，需要路由到与之相关的长途交换系统或非特征呼叫。特色呼叫被路由到与本地交换系统相关联的用于特征处理的长途交换系统，而非功能呼叫由本地交换系统本身根据COS参数路由，从而减轻相关长途交换系统的负担。

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