公开(公告)号：EP1312226A2

公开(公告)日：2003-05-21

申请号：EP01958734.4

申请日：2001-07-31

申请人： Telefonaktiebolaget L M Ericsson (Publ)

发明人： WESTBERG, Lars ,  ERIKSSON, Anders ,  KARAGIANNIS, Georgios ,  HEIJENK, Geert ,  REXHEPI, Vlora ,  PARTAIN, David

IPC分类号： H04Q3/00 ,  H04L12/56

CPC分类号： H04L47/10 ,  H04L41/0213 ,  H04L41/0896 ,  H04L47/2408 ,  H04L47/70 ,  H04L47/724 ,  H04L47/785 ,  H04L47/822 ,  H04L47/825 ,  H04Q3/0062

摘要： A method and network subsystem for providing on demand end to end Quality of Service (Qos) in a dynamic manner, use a combination of Resource Reservation Protocol (RSVP), load control protocol (and its successors) and Bandwidth Brokers (BBs)(1106) which communicate using a predetermined protocol. The predetermined protocol may be one of Common Open Policy Service Protocol (COPS) and Simple Network Management Protocol (SNMP) for direct communication by the BBs (1106). The network subsystem might also include differentiated services architecture (Diffserv)(1109) which might comprise a Diffserv domain (1309, 1409) including Border Routers (BRs)(1112) and Core Routers (CRs). The BBs (1106) may obtain resource availability information by communicating only with the BRs (1112) to the exclusion of CRs. The BBs (1106) may optionally have the capability of using an RSVP aggregation protocol and may have the ability to store and manage RSVP aggregation status. The method and network subsystem may additionally use Integrated Service Architecture (Intserv)(1108) which will enable achieving interoperability between Intserv and Diffserv through the use of an edge router (1103, 1104) on a bandwidth broker aggregator (1105).

摘要翻译： 用于以动态的方式提供服务质量（QoS）的点播端至端质量的方法和网络子系统，使用资源保留协议（RSVP），负载控制协议（和它的后继者）和带宽经纪（BBS）哪个通信的组合 使用预定协议。 预定协议可以是公共开放策略服务协议（COPS）和用于通过在BBS直接通信简单网络管理协议（SNMP）中的一个。 因此，网络子系统可能包括差异化服务体系结构（DiffServ的）可能包括DiffServ域包括边界路由器（BRS）和核心路由器（CRS）。 在BBS可以通过仅与生物圈到的CR排除通信获得资源可用性信息。 BBS上可任选具有使用到RSVP聚合协议的能力，并且可以具有存储和管理RSVP聚集状态的能力。 该方法和网络子系统可另外使用综合业务体系结构（集成Intserv）whichwill使得能够通过在带宽代理聚合使用的边缘路由器的实现和集成Intserv区分服务之间的互操作性。

公开(公告)号：EP1329124A2

公开(公告)日：2003-07-23

申请号：EP01977007.2

申请日：2001-10-18

申请人： Telefonaktiebolaget L M Ericsson (Publ)

发明人： KARAGIANNIS, Georgios ,  HEIJENK, Geert ,  EL MALKI, Karim ,  SOLIMAN, Hesham

IPC分类号： H04Q7/38

CPC分类号： H04W36/0011 ,  H04L45/00 ,  H04L67/04 ,  H04L69/16 ,  H04L69/167 ,  H04W8/085 ,  H04W36/02 ,  H04W80/04

摘要： In a system and method for handing off a mobile node in a seamless manner in a wireless access network, procedures are implemented for allowing the mobile node to synchronize the handoff with a base node (e.g., a home agent) and a correspondent node. In this way, a seamless handoff may be achieved, since few or no data packets sent between the base node or the correspondent node and the mobile node are lost. The procedures are supported by both Mobile IPv4 and Mobile IPv6 as well as Hierarchical Mobile IPv4 and Hierarchical Mobile IPv6.

公开(公告)号：EP1305917A2

公开(公告)日：2003-05-02

申请号：EP01961487.4

申请日：2001-07-31

申请人： Telefonaktiebolaget L M Ericsson (Publ)

发明人： KARAGIANNIS, Georgios ,  REXHEPI, Vlora

IPC分类号： H04L12/56 ,  H04Q11/04

CPC分类号： H04L45/302 ,  H04L45/742

摘要： A method and a computer program for reducing jitter in IP packet transmission in a Diffserv network having ingress (404) and egress Border Routers (405) and using premium service, expedited forwarding and source route option, recognize incoming packets which have firm jitter requirements (Step A1a). The program verifies if a recognized packet has an entry in the forwarding cache for its IP destination address (Step A1B). If affirmative, the identified packet is sent to the next hop. If not, the program checks to see if a route table entry exists for the specified destination address. If affirmative, the route table entry is stored in the forwarding cache, and the packet is sent on its way. Otherwise, the program uses special filters to extract and select the shortest and fastest path to an egress border router (405) to match the destination address (Step A1c); a list of selected router addresses is inserted as part of a source route option (Step A2). All intermediate routers receiving a packet with the strict source route option set will forward the packet to the first address in the strict source option list (Step A3). Subsequent packets which follow after the recognized packet and are bound to the same destination address will be sent in the same path as the identified first packet with the source route option turn off (Step A4). The method ensures reduced jitter for packets having firm jitter requirements in a network using either static or dynamic routing. The invention also teaches a memory and an algorithm using the method.