NeTS - NR: Ad hoc Congestion Control for Mobile Ad Hoc Networks

NeTS - NR：移动自组织网络的自组织拥塞控制

• 批准号: 0435320
• 负责人: Saad Biaz
• 金额: --
• 依托单位: Auburn University
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2004
• 资助国家: 美国
• 起止时间: 2004-09-01 至 2009-08-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0435320&HistoricalAwards=false
• 关键词: NeTS; NR; Ad; hoc; Congestion

NeTS - NR: Ad hoc Congestion Control for Mobile Ad Hoc NetworksSaad Biaz, Auburn UniversityAward 0435320AbstractThis project is developing ad hoc end-to-end congestion control techniques particularly adapted to mobile ad hoc networks (MANETs). In mobile ad hoc networks, frequent link failures and other random losses unrelated to congestion disqualify packet loss as a reliable congestion indicator and require ad hoc congestion control algorithms that must (1) accurately diagnose the real cause of a loss and (2) appropriately react to each type of loss. The research team is investigating an innovative direction to develop an accurate loss discriminator and an implicit continuous congestion measure that is based on packet loss and yields better performance. The key to solving these problems is to "de-randomize" congestion losses. This is achieved by marking packets with different discard priorities and enabling biased queue management at all intermediate nodes so that they may target and drop packets with the highest discard priority when congestion occurs. A judicious marking allows senders to implicitly estimate congestion. This project attacks theoretical and systems challenges and will enable the practical deployment of MANETs. In addition, such challenges will help attract and educate talented graduate students and retain the brightest undergraduate students.

NETS-NR：移动自组织网络的自组织拥塞控制萨德·比亚兹，奥本大学获奖0435320摘要本项目正在开发特别适用于移动自组织网络(MANET)的自组织端到端拥塞控制技术。在移动自组织网络中，频繁的链路故障和其他与拥塞无关的随机丢失使分组丢失失去了作为可靠拥塞指示器的资格，并且要求自组织拥塞控制算法必须(1)准确地诊断丢失的真实原因，(2)适当地对每种类型的丢失做出反应。该研究团队正在研究一种创新方向，以开发准确的丢失鉴别器和基于分组丢失并产生更好性能的隐式持续拥塞测量。解决这些问题的关键是对拥塞损失进行去随机化。这是通过用不同的丢弃优先级标记分组并在所有中间节点启用偏向队列管理以使它们可以在拥塞发生时以具有最高丢弃优先级的分组为目标并丢弃分组来实现的。明智的标记允许发送者隐式地估计拥塞。该项目解决了理论和系统方面的挑战，并将使MANET的实际部署成为可能。此外，这样的挑战将有助于吸引和培养有才华的研究生，并留住最聪明的本科生。