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Network Functions (NFs) are deployed in networks for a variety of purposes, e.g. monitoring, security, or performance optimization. During packet processing, NF maintains the states of processed packets and/or manipulates packets based on these states. Some of these states are per-flow states while others are multi-flow states. With the emerging of network function virtualization (NFV), it is common...
Over the past decade, a wide-ranging collection of network functions in middleboxes has been used to accommodate the needs of network users. Although the use of general-purpose processors has been shown to be feasible for this purpose, the serial nature of microprocessors limits network functional virtualization (NFV) performance. In this paper, we describe a new heterogeneous hardware-software approach...
The Internet is facing the accelerating growth of routing table size. Backbone routers' routing table has already reached 512k entries, which has a negative effect on the scalability of the Internet. Hierarchical addressing and locator/ID separation solutions have been proposed to address the scalability issue. However, there has been little focus on how to efficiently represent hierarchical location...
As the Internet of Things technologies evolve, billions of smart devices will be connected to the Internet. Therefore, the accelerated growth of users, applications and devices pose a great demand on the scalability of the Internet. In this paper, we develop a new Internet architecture -- Multiple-inherited Locators (MiL) -- to meet the future demand on addressing. MiL is based on Locator/ID addressing...
Hierarchical address allocation and hierarchical routing design has long been suggested to reduce the forwarding information base (FIB) size in the Internet core. However, the hierarchical design is not put into practice. We implemented the hierarchical and automatic number allocation (HANA) protocol for allocation of IPv4 and IPv6 address spaces to autonomous systems (ASes) and the FIB size reduction...
The Internet is facing the double-challenge of accelerating growth of routing table size and ever higher reliability requirements. Considerable progress has been made toward the scalability and reliability of the Internet. However, most of the proposals are only partial solutions that address some of the challenges. In this paper, we present a new addressing encoding scheme and a corresponding forwarding...
Runtime monitoring of Web service compositions has been widely acknowledged as a significant approach to understand and guarantee the quality of services. However, existing runtime monitoring solutions consider only the constraints on the sequence of messages exchanged between partner services and ignore the actual data contents inside the messages. As a result, it is difficult to monitor some dynamic...
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