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1. 发明申请

WO2008112699A2 SYSTEMS AND METHODS OF USING AN IP ID FIELD FOR AUTOMATIC WAN/LAN DETECTION 审中-公开
标题翻译：使用IP ID字段进行自动WAN / LAN检测的系统和方法
公开(公告)号：WO2008112699A2
公开(公告)日：2008-09-18
申请号：PCT/US2008/056528
申请日：2008-03-11
申请人： CITRIX SYSTEMS, INC. , OVSIANNIKOV, Mike , DECASPER, Dan , PLAMONDON, Robert , SAMUELS, Allen
发明人： OVSIANNIKOV, Mike , DECASPER, Dan , PLAMONDON, Robert , SAMUELS, Allen
IPC分类号： H04L29/06
CPC分类号： H04L69/16 , H04L41/0803 , H04L41/12 , H04L43/0817 , H04L63/0281 , H04L63/029 , H04L63/164 , H04L63/166 , H04L67/28 , H04L67/2876 , H04L69/169 , H04L69/22
摘要： The solution of the present invention provides systems and methods for encoding information into an Internet Protocol identification field (IPID) of an IP layer header of a network packet in a manner acceptable to many or all of the network devices that encounter the encoded packet. In one embodiment, the solution described herein encodes the IP identification field of the IPID header with information to be communicated between devices. Appliances may use the encoded IP field as a signal or a means for a low-bandwidth subcarrier of data between the appliances that is transparent to any intervening network equipment. For example, the encoded field may be used to announce or probe the presence of a device, a functionality or capability of device or to indicate a type or speed of a network connection of a port on a device.
摘要翻译：本发明的解决方案提供了以许多或全部网络可接受的方式将信息编码到网络分组的IP层报头的因特网协议标识字段（IPID）中的系统和方法遇到编码数据包的设备。在一个实施例中，此处描述的解决方案使用要在设备之间传送的信息对IPID头部的IP标识字段进行编码。设备可以使用编码的IP字段作为用于设备之间的数据的低带宽子载波的信号或手段，其对任何中间网络设备而言都是透明的。例如，编码字段可用于通告或探测设备的存在，设备的功能或能力或指示设备上的端口的网络连接的类型或速度。

2. 发明申请

WO2008112777A2 SYSTEMS AND METHODS FOR USING COMPRESSION HISTORIES TO IMPROVE NETWORK PERFORMANCE 审中-公开
标题翻译：使用压缩历史来提高网络性能的系统和方法
公开(公告)号：WO2008112777A2
公开(公告)日：2008-09-18
申请号：PCT/US2008/056681
申请日：2008-03-12
申请人： CITRIX SYSTEMS, INC. , SAMUELS, Allen , JENSEN, Samuel , DITTIA, Zubin , DECASPER, Dan , OVSIANNIKOV, Michael , PLAMONDON, Robert
发明人： SAMUELS, Allen , JENSEN, Samuel , DITTIA, Zubin , DECASPER, Dan , OVSIANNIKOV, Michael , PLAMONDON, Robert
CPC分类号： H04L67/2823 , H03M7/3088 , H04L67/28 , H04L67/2828 , H04L67/2842 , H04L67/2876 , H04L67/2885 , H04L69/04 , H04L69/14 , H04L69/22
摘要： Systems and methods of storing previously transmitted data and using it to reduce bandwidth usage and accelerate future communications are described. By using algorithms to identify long compression history matches, a network device may improve compression efficiently and speed. A network device may also use application specific parsing to improve the length and number of compression history matches. Further, by sharing compression histories and compression history indexes across multiple devices, devices can utilize data previously transmitted to other devices to compress network traffic. Any combination of the systems and methods may be used to efficiently find long matches to stored data, synchronize the storage of previously sent data, and share previously sent data among one or more other devices.
摘要翻译：描述了存储先前传输的数据并使用它来减少带宽使用并加速未来通信的系统和方法。通过使用算法来识别长的压缩历史匹配，网络设备可以有效地提高压缩速度和速度。网络设备还可以使用应用特定解析来改进压缩历史匹配的长度和数量。此外，通过在多个设备之间共享压缩历史和压缩历史索引，设备可以利用先前传送到其他设备的数据来压缩网络流量。可以使用系统和方法的任何组合来有效地找到与存储的数据的长匹配，同步先前发送的数据的存储，以及在一个或多个其他设备之间共享先前发送的数据。

3. 发明申请

WO2008112779A2 SYSTEMS AND METHODS FOR DYNAMIC BANDWIDTH CONTROL BY PROXY 审中-公开
标题翻译：通过代理进行动态带宽控制的系统和方法
公开(公告)号：WO2008112779A2
公开(公告)日：2008-09-18
申请号：PCT/US2008/056684
申请日：2008-03-12
申请人： CITRIX SYSTEMS, INC. , PLAMONDON, Robert , OVSIANNIKOV, Michael , SAMUELS, Allen
发明人： PLAMONDON, Robert , OVSIANNIKOV, Michael , SAMUELS, Allen
IPC分类号： H04L12/54
CPC分类号： H04L47/522 , H04L1/1825 , H04L1/1877 , H04L1/1887 , H04L47/10 , H04L47/2475 , H04L47/50 , H04L47/564 , H04L47/625 , H04L2001/0097
摘要： Systems and methods for utilizing transaction boundary detection methods in queuing and retransmission decisions relating to network traffic are described. By detecting transaction boundaries and sizes, a client, server, or intermediary device may prioritize based on transaction sizes in queuing decisions, giving precedence to smaller transactions which may represent interactive and/or latency-sensitive traffic. Further, after detecting a transaction boundary, a device may retransmit one or more additional packets prompting acknowledgements, in order to ensure timely notification if the last packet of the transaction has been dropped. Systems and methods for potentially improving network latency, including retransmitting a dropped packet twice or more in order to avoid incurring additional delays due to a retransmitted packet being lost are also described.
摘要翻译：描述了利用事务边界检测方法在与网络流量相关的排队和重传决定中的系统和方法。通过检测事务边界和大小，客户端，服务器或中间设备可以基于排队决策中的事务大小进行优先级排序，优先考虑可表示交互式和/或等待时间敏感流量的较小事务。此外，在检测到交易边界之后，设备可以重传一个或多个附加分组，提示确认，以便确保交易的最后一个分组已经被丢弃时及时通知。还描述了用于潜在地改善网络延迟的系统和方法，包括重发丢弃的分组两次或更多，以避免由于重传的分组丢失引起的附加延迟。

4. 发明申请

WO2008112770A2 SYSTEMS AND METHODS FOR CACHE OPERATIONS 审中-公开
标题翻译：用于缓存操作的系统和方法
公开(公告)号：WO2008112770A2
公开(公告)日：2008-09-18
申请号：PCT/US2008/056672
申请日：2008-03-12
申请人： CITRIX SYSTEMS, INC. , PLAMONDON, Robert
发明人： PLAMONDON, Robert
IPC分类号： H04L29/06
CPC分类号： G06F12/12 , G06F12/0875 , G06F17/30876 , H04L29/12066 , H04L61/1511 , H04L67/02 , H04L67/28 , H04L67/2819 , H04L67/2852 , H04L67/288 , H04L69/326
摘要： The present solution provides a variety of techniques for accelerating and optimizing network traffic, such as HTTP based network traffic. The solution described herein provides techniques in the areas of proxy caching, protocol acceleration, domain name resolution acceleration as well as compression improvements. In some cases, the present solution provides various prefetching and/or prefreshening techniques to improve intermediary or proxy caching, such as HTTP proxy caching. In other cases, the present solution provides techniques for accelerating a protocol by improving the efficiency of obtaining and servicing data from an originating server to server to clients. In another cases, the present solution accelerates domain name resolution more quickly. As every HTTP access starts with a URL that includes a hostname that must be resolved via domain name resolution into an IP address, the present solution helps accelerate HTTP access. In some cases, the present solution improves compression techniques by prefetching non-cacheable and cacheable content to use for compressing network traffic, such as HTTP. The acceleration and optimization techniques described herein may be deployed on the client as a client agent or as part of a browser, as well as on any type and form of intermediary device, such as an appliance, proxying device or any type of interception caching and/or proxying device.
摘要翻译：本解决方案提供了各种加速和优化网络流量的技术，例如基于HTTP的网络流量。本文描述的解决方案提供了代理缓存，协议加速，域名解析加速以及压缩改进领域中的技术。在某些情况下，本解决方案提供各种预取和/或预清理技术来改进中间代理或代理缓存，例如HTTP代理缓存。在其他情况下，本解决方案提供了通过提高从始发服务器到服务器到客户端获取和维护数据的效率来加速协议的技术。在另一种情况下，本解决方案可以更快地加速域名解析。由于每个HTTP访问都以包含必须通过域名解析转换为IP地址的主机名的URL开始，因此本解决方案有助于加速HTTP访问。在某些情况下，本解决方案通过预取非可缓存和可缓存的内容来改进压缩技术，以用于压缩网络流量，如HTTP。本文描述的加速和优化技术可以作为客户端代理或作为浏览器的一部分以及中间设备的任何类型和形式部署在客户端上，例如设备，代理设备或任何类型的拦截高速缓存， /或代理设备。

5. 发明申请

WO2008112774A3 SYSTEMS AND METHODS FOR PROVIDING QUALITY OF SERVICE PRECEDENCE IN TCP CONGESTION CONTROL 审中-公开
公开(公告)号：WO2008112774A3
公开(公告)日：2008-09-18
申请号：PCT/US2008/056676
申请日：2008-03-12
申请人： CITRIX SYSTEMS INC. , PLAMONDON, Robert
发明人： PLAMONDON, Robert
IPC分类号： H04L12/56
摘要： Systems and methods for dynamically controlling bandwidth of connections are described. In some embodiments, a proxy for one or more connections may allocate, distribute, or generate indications of network congestion via one or more connections in order to induce the senders of the connections to reduce their rates of transmission. The proxy may allocate, distribute, or generate these indications in such a way as to provide quality of service to one or more connections, or to ensure that a number of connections transmit within an accepted bandwidth limit. In other embodiments, a sender of a transport layer connection may have a method for determining a response to congestion indications which accounts for a priority of the connection. In these embodiments, a sender may reduce or increase parameters related to transmission rate at different rates according to a priority of the connection.

6. 发明申请

WO2008112692A2 SYSTEMS AND METHODS OF PROVIDING PROXY-BASED QUALITY OF SERVICE 审中-公开
标题翻译：提供代理服务质量的系统和方法
公开(公告)号：WO2008112692A2
公开(公告)日：2008-09-18
申请号：PCT/US2008/056519
申请日：2008-03-11
申请人： CITRIX SYSTEMS, INC. , PLAMONDON, Robert
发明人： PLAMONDON, Robert
IPC分类号： H04L29/06
CPC分类号： H04L47/10 , H04L1/0025 , H04L1/0028 , H04L1/1671 , H04L47/11 , H04L47/12 , H04L47/193 , H04L47/24 , H04L47/263 , H04L47/27 , Y02D50/10
摘要： Systems and methods for dynamically controlling bandwidth of connections are described. In some embodiments, a proxy for one or more connections may allocate, distribute, or generate indications of network congestion via one or more connections in order to induce the senders of the connections to reduce their rates of transmission. The proxy may allocate, distribute, or generate these indications in such a way as to provide quality of service to one or more connections, or to ensure that a number of connections transmit within an accepted bandwidth limit. In other embodiments, a sender of a transport layer connection may have a method for determining a response to congestion indications which accounts for a priority of the connection. In these embodiments, a sender may reduce or increase parameters related to transmission rate at different rates according to a priority of the connection.
摘要翻译：描述了用于动态控制连接带宽的系统和方法。在一些实施例中，用于一个或多个连接的代理可以经由一个或多个连接分配，分配或生成网络拥塞的指示，以便诱导连接的发送者降低其传输速率。代理可以以向一个或多个连接提供服务质量的方式分配，分配或生成这些指示，或者确保多个连接在可接受的带宽限制内发送。在其他实施例中，传输层连接的发送方可以具有用于确定对占用连接的优先级的拥塞指示的响应的方法。在这些实施例中，发送者可以根据连接的优先级以不同速率减少或增加与传输速率相关的参数。

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