A heuristic for dynamic bandwidth allocation with preemption and
Recommend Documents
OLT to schedule the transmission order of different ONUs. In this paper, we first review some DBA schemes available in the literature, then propose a two-layer.
and time and wavelength division multiplexed PON (TWDM-PON) has been adopted by FSAN as ... WDM with the inherent resource granularity of a TDM PON.
We propose a realistic theoretical model for dynamic band- width allocation .... Namely, there are several sessions all sharing the same bandwidth. This scenario ...
allocate bandwidth optimally in a way to maximize user satisfaction. ... adaptation technique [3] [7] [8] [9] would, however, admit the call if the ... a particular cell or is handed off to another call, the released bandwidth is reallocated among.
Furthermore, DNs host a number of services, which can be provided not ... It is also considered to be connected to a content provider, thus hosting a number of ...
estimates the sum of CIRs (Committed Information Rates), i.e. rate of the packets .... packet is marked red if it exceeds the PIR (Peak Information. Rate) and is ...
AbstractâDynamic adaptive bitrate (ABR) streaming has re- cently been widely deployed in wireless networks. It, however, does not impose adaptation logic for ...
Mar 1, 2013 - DAGS algorithm to support the service-level agreement. (SLA) of the users. In most algorithms, the users are allocated bandwidth in proportion ...
service rates with the reserved bandwidth and schedule AF and. BE traffic fairly with .... of traffic classes. The DiffServ code point (DSCP) field of each packet is.
In this paper, we propose a bandwidth allocation scheme for networked control ... tion networks, which can be used to monitor and to control the physical world ...
compare with traditional MAC protocol of E-PON. When the network ... meeting Quality of Service (QoS) constraint. Ethernet ... clock-recovery preamble. Because the ... ONUs to transmit their low priority data in the dynamic part of a frame.
service rates with the reserved bandwidth and schedule AF and. BE traffic fairly with .... rate for EF class and the committed information rate for each. AF class are ...
services, an ONU is allowed to request bandwidth for all its available traffic, and all traffic ..... However, EPON is a shared-media (i.e., uplink channel) network.
Apr 10, 2011 - star-ring-based EPON architecture including optical line terminal (OLT), Sub-OLT and ONUs has been proposed to improve ... DQ-DBA mechanism in star-ring architecture can reduce packet delay and jitter for ...... [15] I. S. Hwang, Z. D.
MPEG video stream and allocates bandwidth on a scene basis. The presented dynamic ... wireless network will experience high call blocking and forced termination ..... Engineering and Center for Telecommunications Research,. April 1993.
monitor variable x1, three identical nodes monitor variable x2, and so on. ... Active Period. Beacon Interval (BI). Contention. Access. Contention. Free. Period.
Jul 10, 2007 - strategy provides a lower handoff call dropping at com- parable ... each type of traffic and a third region for the overflow of ...... R&D Center.
Ethernet frames between an optical line termination (OLT) and multiple optical network units (ONUs) via a passive optical splitter [3]. To share the upstream ...
a bandwidth strategy did not always perform well, hence, suitable strategies should be chosen depending on .... its dedicated DLB before it has been transmitted out to ... Server. 622 Mbps. Figure 2. DLB in ATM switch. 2.2.2. UnBR Approach.
Department of Electrical and Computer Engineering, Advanced Research Institute,. Virginia ..... ures 3 and 4, for low-quality Robin Hood and high-quality.
Aug 21, 2008 - Ethernet PON (EPON) has been discussed in IEEE 802.3ah as an extension of ..... [9] proposed a new Hybrid TDM/WDM-PON architecture.
optical distribution network (ODN) and optical fiber. ... platform that is located at the service provider's .... network service provider and a customer that specifies.
zIBM â Research Division, T.J. Watson Research Center, Yorktown Heights, NY. 10598, E-mail: ...... width BO. We call such an algorithm a (BO; DO)-algorithm. Out ... the overflow queues in DO time units, and enters a RESET state, that starts a ...
xDSL(x Digital Subscriber Line) and cable modem technolo- gies provide relatively ... In Interleaved Polling with Adaptive Cycle Time. (IPACT) [6], they also ...
A heuristic for dynamic bandwidth allocation with preemption and
the decision for acceptance or rejection of the request has to be made ...... -e-Blb: (0-mba) 7. Uxbx(t)) = ... the bits of a request that need to be allocated before the.
