3gol Power Boosting Adsl Using 3g Onloading-Books Pdf

3GOL Power boosting ADSL using 3G OnLoading
18 Oct 2020 | 1 views | 0 downloads | 12 Pages | 2.56 MB

Share Pdf : 3gol Power Boosting Adsl Using 3g Onloading

Download and Preview : 3gol Power Boosting Adsl Using 3g Onloading

Report CopyRight/DMCA Form For : 3gol Power Boosting Adsl Using 3g Onloading



Transcription

scribe our implementation of 3GOL that does not require. modification to either the residential gateway or the cellular 0 9. infrastructure 4 and evaluate its performances in the wild 0 8. traffic volume normalized, 5 including the case of full video downloads as well as of 0 7. picture uploads, We then consider the case when the operator providing the. wired and the cellular network service can be different In 0 5. this case economic constraints and volume caps on cellular 0 4. data plans make the problem of OnLoading harder a cell 0 3 mobile. tower might have capacity to offer but the volume caps on wired. individual 3G data contracts might not permit end users to. use 3GOL We use a large trace to understand typical usage 0 1. patterns of users with monthly cellular data plans giving us 0. 0 2 4 6 8 10 12 14 16 18 20 22 24, an idea on the amount of leftover volume that can be used time hrs. for 3GOL We show that users typically use less than 20 of. their monthly allowed volume the other 80 is already paid Figure 1 Traffic pattern over a day on cellular and. for volume that we can exploit with 3GOL 6 In order to wired network Note the different peak timing on the. avoid cap overruns we develop a simple estimator that given two networks and the diurnal pattern in the cellular. the past data usage estimates the daily safe volume that network. can be devoted to 3GOL 6 We also study the amount, of traffic onloaded onto the cellular network 6 using our. traces A prototype of 3GOL is being tested in 30 households 2 1 Comparison of capacity. of a large European city with the intention of a larger scale If we assume that one cellular tower provides coverage to. deployment later an area of 200 meters radius and a typical population den. sity of 35000 inhabitants per Km2 as in a typical downtown. Main Results dense metropolitan area 2 then each cell offers services to. Using active measurements we find that 3GOL can in 4375 subscribers If we assume that each household has 4. crease downlink throughput of ADSL connections by people and that we have 80 penetration of ADSL connec. 2 6 and uplink capacity by 12 9 while using 3 de tivity then each cell covers 875 ADSL connections We do. vices for 3G OnLoading We see variations across lo not consider VDSL or fiber relevant as VDSL benefits are. cations where rural areas seem to experience greater limited in range 2km whereas cable fiber deployment is. speedup but urban areas also have non negligible ben planned based on demographic parameters such as popula. efits 3 tion density Consequently fiber is mainly deployed in urban. areas We focus therefore on generic ADSL and with an av. We implement a 3GOL prototype and quantify per erage downlink speed of 6 7 Mbps3 the overall ADSL down. formance gains in the wild for two applications video link capacity for the cell area would be 5 863 Gbps Given. on demand and uploading photos These gains tend to that wired networks tend to be oversubscribed at the access. be consistent across the day and lead to a maximum this number would be slightly lower but still on the order of. performance improvement of 3 8 4 and 6 for pre a couple Gbps The same area is covered by a cell tower with. buffering downlink and uplink respectively We find a typical 40 50 Mbps backhaul connectivity to the rest of. that performance gains are present even when we use the Internet Therefore the cellular network is 1 2 orders of. 3GOL to assist a 20 Mbps downlink residential connec magnitude smaller in terms of capacity than its wired coun. tion 5 terpart serving the same geographical region In the uplink. direction the difference can be smaller since ADSL might. Our trace driven analysis shows that we can decrease. involve 1 10 asymmetry in capacity in uplink downlink. latency for video delivery by at least 20 for 50 of. the users while respecting volume caps 6, 2 2 Cellular has leftover bandwidth at certain.
We investigate the load on the cellular network when times. 3GOL operates under volume caps and we find that the From the above analysis it results that we cannot use the. cellular network can cope with the onloaded traffic We cellular network at all times We now investigate if there are. further quantify the additional load in function of the some times that offer opportunities to onload traffic to the. percentage of users adopting 3GOL 6 cellular network. In Fig 1 we plot normalized traffic from a DSLAM Ta. ble 1 and a 3G network data traffic Table 1 from a single. 2 CONTEXT country We do not have access to similar datasets from other. In this section we present a case for the viability for 3GOL countries but are in the process of acquiring them Our first. as well as the high level description of the architecture We observation is that the cellular data follows a diurnal pat. first perform a back of the envelope calculation to under tern as also reported by other studies 12 This points to. stand the capacities of the different networks ADSL cellu the fact that the cellular network is not constantly loaded. lar then we study the leftover bandwidth pattern of cellular. networks as well as the opportunities to use the same We 2. http www demographia com db citydenshist htm, finally end this section with a high level description of the 3. 6 7 Mbps is the average downlink throughput reported by. architecture for 3GOL Netanalyzr 5, it as an Over The Top OTT solution where a typical ser. vice like voice or messaging is provided over the network. without using the native functionality of the network In. the OTT architecture Fig 2 every device participating in. 3GOL is connected to the LAN managed by the residential. gateway GW using either wireless or wired connections. First we detail a network integrated solution where 3GOL. is provided by a network operator that provides both wired. and cellular service Later we describe how the architecture. changes when the two providers are different, In the network integrated case the single operator could. provide the 3GOL traffic for free to its mobile subscribers. during non peak hours i e avoid metering and subtracting. it from their mobile data plans This way it would benefit its. Figure 2 3GOL architecture with one client 3GOL ADSL business while using available resources in the corre. User one residential gateway GW plus two 3G sponding 3G network Network integration refers primarily. enabled devices to the communication between the billing elements inside. the wired and wireless network such that the respective. and hence data from the wired network can be onloaded to pricing policies can be applied Each device receives the per. the cellular Our second observation from Fig 1 is that the mission to transmit from the 3GOL backend server which. peaks for wired and the cellular are not perfectly aligned is revoked by the same when congestion is detected The. which is confirmed in 12 This is not too surprising most backend server interfaces with the 3G network monitoring. users at home prefer to use their wired connection via Wi system and checks whether utilization in the affected area. Fi or other technologies as opposed to the cellular network is below an acceptance threshold If it is the transmission. Furthermore previous work 7 has shown that there is high is authorized and a permit is cached for a certain duration. spatial diversity in terms of load between cells and some few minutes Else the transmission is denied and the cel. cells have left over capacity even during peak hours lular device does not advertise its availability on the Wi Fi. 2 3 Using leftover capacity Powerboosting We introduce two new software components The first. Although leftover capacity exists in cellular networks we one runs on the cellular device and performs the following. should carefully select the wired applications that would be tasks i implements a proxy that pipes incoming connec. allowed to use it For example we would not want to on tions through the 3G network and ii advertises the device. load long running bulk e g P2P downloads Applications availability through a discovery protocol like Bonjour only if. that need onloading only for a short period of time seem the device has an active permission by the cellular network. ideal Towards this direction we develop a service that re The second one runs on the device that needs augmentation. sembles the offering of PowerBoost by Comcast delivering referred to as the client and i implements a proxy that. files at a much higher speeds for a short amount of time Im waits for incoming connections from the applications to be. plementing PowerBoost is possible in cable networks since augmented ii builds the set of admissible cellular devices. they have a shared medium whose capacity can be allocated denoted by by discovering them on the Wi Fi network. and released at short time scales ADSL networks in con iii uses the GW plus the set of admissible cellular devices. trast have a dedicated twisted pair and need to adhere to to transfer required contents using a multipath scheduler. long synchronization delays of the modems at the two ends The job of the scheduler is to handle multiple downloads. Therefore they cannot implement PowerBoost natively One and uploads of generic items over multiple paths We con. of the main contributions of our work is the observation that sider the following setting we have N available paths with. by assigning excess cell network capacity to an individual N 1 corresponding to and M items to download upload. customer for a limited amount of time we can effectively from to a given server We refer to the action of download. implement PowerBoost for ADSL with the help of the cellu ing uploading the set of M items a transaction The sched. lar network Such temporary assistance could a assist the uler goal is to transfer the full set of M items as fast as pos. downlink of ADSL to reduce the pre buffering time for more sible i e to minimize the total transfer time In Sec 6 we. responsive video playout and b assist the uplink of ADSL describe how we change the software components to han. to source content from home e g uploading photos dle volume caps in the case where the network operators. If 4G is available the concept of 3GOL is even more com providing wired and cellular services are different. pelling With the reduced latency and the large increase of. bandwidth the period of powerboosting time might be ex 3 3GOL WHERE AND WHEN. tremely short reducing the overhead added on the cellular In the previous section we described the context for 3GOL. network In some countries where the deployment of 4G is and outlined a high level description of the system architec. faster than fiber like France or India it is largely plausible ture where 3GOL is provided as a network integrated solu. that 3GOL might be a solution to improve home connectiv tion Even if 3GOL is offered by the operator that provides. ity both wired and cellular services we still need to understand. where and when 3GOL can be used We conduct active mea. 2 4 Architecture sketch surements to answer these questions. We want 3GOL to be easily deployable and transpar Where Location matters The most common cellu. ent for the applications Hence we propose to implement lar technology deployed in Europe is UMTS HSPA Both. Name Description, 3G web HTTP traffic logs for one large cellular network op. traffic erated in western European country for 24 hr pe. riod Oct 2011 millions of users, MNO Per user monthly data demand generated by nearly.
one million users in a Mobile Network Operator, DSLAM Flow level information for all subscribers connected. to one DSLAM in a major European city The cov, erage area includes 18 000 DSL connections. Handset Downlink and Uplink throughput experiments with. experi 10 high end smartphones in six different locations. ments in one European city across five days, Table 1 Data sources used throughout the paper. the HS DSCH downlink channel HSDPA and the E DCH, uplink channel HSUPA are best effort technologies Their Figure 3 Aggregated throughput uplink and down. capacity is shared between users through scheduling policies link for up to ten devices. aimed at optimizing the channel allocation given the avail. able radio conditions Hence the per user throughput at. the base station level depends on the highly variable radio to a linear increase in downlink throughput up to ten de. conditions as well as on the number of users simultaneously vices For two devices we obtain an augmentation around. accessing the channels To glean the available bandwidth 4 8 Mbps median However the behavior for the uplink is. under real operating conditions in a metropolitan city we significantly different For three out of the four locations. program 10 high end terminal devices4 to download and up we observe a clear plateau in aggregation at five devices. load 2 MB files from to a server via the cellular interface nearly equal to 5 Mbps which is the maximum capacity for. The description is in Table 1 where we also describe the HSUPA 5 76 Mbps However we note that Location 3 ex. other datasets we use in the paper We perform throughput ceeds 5 Mbps in the uplink as shown in Fig 3 also when the. measurements in a western European city at six different lo devices are connected to the same base station It is possi. cations with these devices assisting the existing residential ble that the devices are connected to different sectors of the. broadband connection One would expect that the degree of same base station allowing a cluster of devices to load bal. 3GOL Power boosting ADSL using 3G OnLoading Claudio Rossi NarseoVallina Rodriguez VijayErramilli YanGrunenberger Laszlo Gyarmati NikolaosLaoutaris RadeStanojevic KonstantinaPapagiannaki Pablo Rodriguez Politecnico di Torino Italy University of Cambridge Cambridge UK Telefonica Research Barcelona Spain ABSTRACT The co existence of cellular and wired

Related Books

BENEFITS AND ROI OF BIM FOR MULTI DISCIPLINARY PROJECT

BENEFITS AND ROI OF BIM FOR MULTI DISCIPLINARY PROJECT

BENEFITS AND ROI OF BIM FOR MULTI DISCIPLINARY PROJECT MANAGEMENT DATE March 2012 AUTHOR Singapore context It analyzes how experience level and discipline of users will affect the derivation of BIM benefits and change in project management aspects of cost schedule quality and safety Quantitative data was collated through a survey questionnaire designed and sent out to international

Multidisciplinary Team Working From Theory to Practice

Multidisciplinary Team Working From Theory to Practice

Multidisciplinary Team Working From Theory to Practice 4 1Chapter 1 Introduction 1 2 Setting the scene Some 20 years ago Planning for the Future Department of Health 1984 recommended the establishment of multidisciplinary teams as different approaches to treatment and the participation of people from a number of professional disciplines are required to cater adequately for the needs

Multi Discipline Review

Multi Discipline Review

MULTI DISCIPLINE REVIEW Summary Review Office Director Cross Discipline Team Leader Review Clinical Review Non Clinical Review Statistical Review Clinical Pharmacology Review NDA BLA Multi Disciplinary Review and Evaluation 761106 Trastuzumab and hyaluronidase for subcutaneous injection 1 Version date February 1 2016for initial rollout NME original BLA reviews NDA BLA Multi

Final MRCPCH written guide londonpaediatrics co uk

Final MRCPCH written guide londonpaediatrics co uk

Part 1 Foundation of Practice and Theory and Science General Advice Firstly unfortunately the exam is not about being a good or safe paediatrician Hopefully you are but this alone will not pass the exam The exam is a game with its own rules and peculiarities Although having a good knowledge of paediatrics and revising using a textbook can be helpful Part 1 is all about being able to

Preparing for the MRCPsych Exams NW School of Psychiatry

Preparing for the MRCPsych Exams NW School of Psychiatry

Preparing for the MRCPsych Exams Dr Dush Mahadevan Consultant in Child amp Adolescent Psychiatry Deputy Course Director MRCPsych Course Dr Hannah Slevin ST4 in Child amp Adolescent Psychiatry NW MRCPsych Course Introductions Exams are an important part of training As a trainee it is important to understand the course resources available and how to start preparing for exam Exam

Valuation of Mineral Resources in Selected Financial and

Valuation of Mineral Resources in Selected Financial and

about how this value should be disclosed This assertion refers to mining companies reports especially finan cial statements but also to national accounts as well as to valuations made on ad hoc bases for various and growing number of purposes and customers Relatively slow progress in development of regulations related to recognition and valuation of mineral deposits as a class of assets

PAULO COELHO lira

PAULO COELHO lira

paulo Coelho figyelemre m lt intenzit ssal teremti meg a beavat si reg ny atmoszf r j t t rt neteiben az let alapk rd seit teszi fel ezoterikus csomagol sban Di rio de Not cias paulo Coelho m veivel elind tja a portug l nyelv reg ny spiritu lis ir nyzat t amely a kultur lis ress g a technikai s gazdas gi imperializmus az ut pi k hanyatl sa s

Paulo Coelho Brida El don que cada uno lleva dentro

Paulo Coelho Brida El don que cada uno lleva dentro

PAULO COELHO Pr logo Nos sent bamos todas las noches en un caf en Lourdes Yo un peregrino del Sagrado Camino de Roma que ten a que andar muchos d as en busca de mi Don Ella Brida O Fern controlaba determinada parte de este camino En una de esas noches resolv preguntarle si hab a experimentado una gran emoci n al conocer determinada abad a parte del camino en forma de

Brida Download n Read

Brida Download n Read

6 Paulo Coelho At last they came to the top of a hill having crossed the entire forest The ground there was rocky and bare of vegetation but at least it was less slippery and Brida could follow the Magus without difficulty He sat down on the highest point and asked Brida to do the same Other people have been here before said the

LE ZAHIR storage googleapis com

LE ZAHIR storage googleapis com

Zahir vient de la tradition islamique et l on estime qu il est apparu vers le XVIIIe si cle Zahir en arabe veut dire visible pr sent qui ne peut pas passer inaper u Un objet ou un tre qui une fois que nous l avons rencontr finit par occuper peu peu toutes nos pens es au point que nous ne parvenons plus nous

Paulo Coelho Zahir WordPress com

Paulo Coelho Zahir WordPress com

kurum vard ve bu kurumu daima ok yararl bulurdum Bazen evet Yapacak daha ilgin bir ey yok kad n heyecan ar yor bense macera hepsi bu Ertesi g n her ikiniz de hi bir ey olmam gibi