Consumer Electronics March 2012

Film Photography Is Dead: Long Live Film

The Glasses are Half Empty

Method of Assessing Product Reliability


What If Digital Cameras Didn’t Need (Local) Storage? Directing photos to the cloud

Super Hi-Vision on the Horizon


Cloud Computing and Consumer Electronics: A Perfect Match or a Hidden Storm?


NGBT: Next-Generation Broadcast Television


Seamless, Synchronous,and Supportive:Welcome to Hybridcast


Selling the Smart Grid—Part 1


Open-Source and Consumer Electronics—The Back Door to World Domination

IT professional march 2012

Understanding Open Source Software at NASA

Contribution to IT: a view from Ames research center

The impact of high computing on NASA missions

Swarm technology at NASA: building resilient systems

NASA contributions to IT

Farewell to the space shuttle

Coping strategies for turbulent times: a survey of IT executives

Measuring application software energy efficiency

Femtocells in JSAC

IEEE JSAC April 2012: "FEMTOCELLS: PAST, PRESENT, AND FUTURE"

Femtocells: Past, Present, and Future


Superanalysis of Optimum Combining with Application to Femtocell Networks


Autonomous Component Carrier Selection for 4G Femtocells – A Fresh Look at an Old Problem


Price-Based Resource Allocation for Spectrum-Sharing Femtocell Networks: A Stackelberg Game Approach


Modeling and Analysis of K-Tier Downlink Heterogeneous Cellular Networks


Throughput Optimization, Spectrum Allocation, and Access Control in Two-Tier Femtocell Networks



Distribution of Downlink SINR in Heterogeneous Cellular Networks


LTE Femtocells: System Design and Performance Analysis

The Economic Effects of Sharing Femtocells


Opportunistic Cooperation in Cognitive Femtocell Networks


Spectrum Leasing as an Incentive Towards Uplink Macrocell and Femtocell Cooperation


Belief Propagation Methods for Intercell Interference Coordination in Femtocell Networks


On Medium Grain Scalable Video Streaming over Femtocell Cognitive Radio Networks


Femtocell Base Station Deployment in Commercial Buildings: A Global Optimization Approach


Optimal Control of Wake Up Mechanisms of Femtocells in Heterogeneous Networks

Correlating Financial Time Series with Micro-Blogging Activity

"Correlating Financial Time Series with Micro-Blogging Activity"


We study the problem of correlating micro-blogging activity with stock-market events, defined as changes in the price and traded volume of stocks. Specifically, we collect messages related to a number of companies, and we search for correlations between stock-market events for those companies and features extracted from the micro blogging messages. The features we extract can be categorized in two groups. Features in the first group measure the overall activity in the micro-blogging platform, such as number of posts, number of re-posts, and so on. Features in the second group measure properties of an induced interaction graph, for instance, the number of connected components, statistics on the degree distribution, and other graph-based properties.
We present detailed experimental results measuring the correlation of the stock market events with these features, using Twitter as a data source. Our results show that the most correlated features are the number of connected components and the number of nodes of the interaction graph. The correlation is stronger with the traded volume than with the price of the stock. However, by using a simulator we show that even relatively small correlations between price and micro-blogging features can be exploited to drive a stock trading strategy that outperforms other baseline strategies.

get the paper here.

IEEE Network March 2012

IEEE Network March 2012's topic on optical networks.

Next-Generation Optical Access Networks: Dynamic Bandwidth Allocation, Resource Use Optimization, and QoS Improvements


Network Operator Requirements for the Next Generation of Optical Access Networks


NG-PONs 1&2 and Beyond: The Dawn of the Über-FiWi Network


Next Generation Optical-Wireless Converged Network Architectures


Energy Efficiency in the Extended-Reach Fiber-Wireless Access Networks


Energy-Efficient PON with Sleep-Mode ONU: Progress, Challenges, and Solutions


Adaptable Access System: Pursuit of Ideal Future Access System Architecture


Medium Access Control for the Next-Generation Passive Optical Networks: The OLIMAC Approach

satin 2011

Securing and Trusting Internet Names, SATIN 2011

get the papers here.

Optimizing for video storage networking

"Optimizing for Video Storage Networking With Recommender Systems"


Driven mainly by its adoption as a new media distribution platform for content providers and its ubiquitous availability for the end user’s media production and consumption, the Internet is rapidly reshaping. In particular, the stakeholders in the content distribution market are considering exploiting content delivery networks (CDNs) to play a key enabling role allowing them  to become part of related value chains. In this paper we discuss how such CDNs rely on autonomous algorithms to optimally use the storage resources, i.e., reducing bandwidth on feeder links, while providing quality of experience (QoE) to the end user.

get the paper here.

Video delivery using network aware transcoding in an LTE network

"Mobile Video Delivery Using Network Aware Transcoding in an LTE Network"


Delivering video over mobile wireless networks presents several unique challenges. Limited bandwidth and packet delay variation can cause artifacts, “picture freezes,” or blockages that make a video experience on a mobile client unacceptable. In this paper we address techniques to use feedback from the wireless network (congestion, channel conditions, content, user profiles) to adjust both the video stream and the delivery mechanism to dramatically increase the level of service and experience.

get the paper here.

International Expert Symposium in Fukushima: Radiation and Health Risks

Selected articles from the International Expert Symposium in Fukushima: Radiation and Health Risks (11–12 September 2011)

get the paper here.

SVC-based HTTP adaptive streaming

"SVC-Based HTTP Adaptive Streaming"


HTTP adaptive streaming (HAS) is rapidly evolving into a key video delivery technology, supported by implementations from Microsoft, Apple, and Adobe, and actively pursued by standardization organizations.

get the paper here.

Subjective video quality assessment

"Subjective Video Quality Assessment of HTTP Adaptive Streaming Technologies"



HTTP adaptive steaming (HAS) is becoming ubiquitous as a reliable method of delivering video content over the open Internet to a variety of devices from personal computers (PCs), to tablets, game consoles, and smartphones. HAS is able to adapt to both the available bandwidth and the display requirements
by trading-off video quality.


get the paper here.

Indonesia IX

Indonesia has several IXs. 

OIXP (Open IX peering) is the biggest one.

Here's the traffic plot:

OIXP 5 minutes Average Traffic

x-axis is time on month-year format.

y-axis is traffic in gigabit per second.

source from lg.mohonmaaf.com

Your Facebook Deactivated

I found interesting paper on arxiv.
"Your Facebook Deactivated Friend or a Cloaked Spy (Extended Abstract)"
get the paper from here.

Do We Need Video Systems Beyond HDTV?

Do We Need Video Systems Beyond HDTV?

get the paper here.

Next-Generation applications on cellular networks

Next-Generation Applications on Cellular Networks: Trends,Challenges, and Solutions.


This paper attempts to offer some guidelines, based on recent research in the industry and academia in these areas, toward the design and development of successful mobile applications that can utilize the capabilities of the next generation of cellular networks.

get the paper here.

Frontiers of wireless and mobile communications

"Frontiers of Wireless and Mobile Communications"


This paper provides a perspective of some of the research frontiers of wireless and mobile communications.

get the paper here.

Evolution of video processing

"The Evolution of Video Processing Technology and Its Main Drivers"

This paper tell us the challenges of video processing and the three main drivers.

get the paper here.

Evolution optical networking towards digital media

"Evolution of Optical Networking Toward Rich Digital Media Services"


This paper tell us the importance of optical networking to support high quality video.

get the paper from here.

Understanding implications of online learning

Understanding the Implications of Online Learning for Educational Productivity:
get the report here.

Total Internet Exchange Average Peak Traffic in Japan

Source from Ministry of Internal Affairs and Communications Japan.

http://www.soumu.go.jp/johotsusintokei

The average peak Internet Exchange traffic in Japan is shown as follows:

Total Internet Exchange Average Peak Traffic in Japan

Since January 2011 the measurement included Equinix's BBIX.

klikbca dot com

Today, I found something wrong here :)


klikbca.com INFO [DELEGATION:NS_AT_PARENT] ns1.angkasa.net.id,ns1.cbn.net.id,ns2.cbn.net.id,ns3.angkasa.net.id

klikbca.com INFO [DELEGATION:NS_AT_CHILD] ns1.angkasa.net.id,ns1.cbn.net.id,ns2.angkasa.net.id,ns2.cbn.net.id,ns3.angkasa.net.id,ns4.angkasa.net.id



klikbca.com ERROR [NAMESERVER:NO_UDP] ns1.angkasa.net.id;202.6.209.1;klikbca.com

klikbca.com ERROR [NAMESERVER:NO_TCP] ns1.angkasa.net.id;202.6.209.1;klikbca.com


klikbca.com WARNING [CONSISTENCY:SOA_SERIAL_DIFFERENT] 4


One of the best bank in Indonesia can not manage their naming?  :)
I hope they can fix it as soon as possible.

ICANN release The Security, Stability & Resiliency of the DNS report here:
security, stability and resiliency.

Dual stack IPv4/IPv6 RTT from AS4717 to Indonesia

I am currently measuring RTT from ASN4717 to several dual stack IPv4/IPv6 servers in Indonesia for every 5 minutes.


















It is clear that IPv6 RTTs are not symmetric with IPv4 RTTs because of different path/routing between IPv4 and IPv6. NTT and CBN are exception. Their paths are symmetric from AS4717.

Above graphs are also available on http://sfc-monitor.ai3.net/~dikshie/indonesia/ (IPv6 only)
If you need the data (only available in RRD format) please contact me.

Tweet

Internet traffic in Japan

Source from Ministry of Internal Affairs and Communications Japan.

http://www.soumu.go.jp/johotsusintokei

Figure 1. Measurement Map

There are 6 ISPs involved in this study.
Figure 1 explanation as follows:
A1: Broadband users traffic.
A2: Dialup, dedicated line, and data center traffic.
B1: Peering traffic with Internet Exchange (IX).
B2: Peering traffic with domestic ISPs.
B3: Peering traffic with overseas ISPs.

Based on figure.1 above, Total amount traffic in Japan as follows:

Year	Month	A1 (IN) Gbps	A1 (OUT) Gbps
2004	9	98.1	111.8
2004	10	108.3	124.9
2004	11	116.0	133.0
2005	5	134.5	178.3
2005	11	146.7	194.2
2006	5	173.0	226.2
2006	11	194.5	264.2
2007	5	217.3	306.0
2007	11	237.2	339.8
2008	5	269.0	374.7
2008	11	302.02	432.9
2009	5	349.5	501.0
2009	11	373.6	539.7
2010	5	321.9	536.4
2010	11	311.1	593.0
2011	5	302.5	662.0
2011	11	-	-

Year	Month	A2 (IN) Gbps	A2 (OUT) Gbps
2004	9	14.0	13.6
2004	10	15.0	14.9
2004	11	16.2	15.6
2005	5	23.7	23.9
2005	11	36.1	29.6
2006	5	42.9	38.3
2006	11	50.7	46.7
2007	5	73.8	57.8
2007	11	85.4	63.2
2008	5	107.0	85.0
2008	11	122.4	88.7
2009	5	154.4	121.4
2009	11	169.4	127.6
2010	5	178.8	131.2
2010	11	190.1	147.5
2011	5	193.9	174.4
2011	11	-	-

Year	Month	B1 (IN) Gbps	B1 (OUT) Gbps
2004	9	35.9	30.9
2004	10	36.3	31.8
2004	11	38.0	33.0
2005	5	47.9	41.6
2005	11	54.0	48.1
2006	5	66.2	60.1
2006	11	68.4	62.3
2007	5	77.4	70.8
2007	11	93.5	83.4
2008	5	95.7	88.3
2008	11	107.5	102.5
2009	5	111.7	104.9
2009	11	114.3	19.8
2010	5	94.1	91.0
2010	11	90.1	91.6
2011	5	87.0	86.9
2011	11	-	-

Year	Month	B2 (IN) Gbps	B2 (OUT) Gbps
2004	9	48.2	37.8
2004	10	53.1	41.6
2004	11	55.1	43.3
2005	5	73.3	58.4
2005	11	80.9	68.1
2006	5	94.9	77.6
2006	11	107.6	90.5
2007	5	124.5	108.4
2007	11	129.0	113.3
2008	5	141.2	119.4
2008	11	155.6	132.3
2009	5	185.0	155.4
2009	11	209.5	154.3
2010	5	194.8	121.4
2010	11	198.7	117.2
2011	5	254.2	134.6
2011	11	-	-

Year	Month	B3 (IN) Gbps	B3 (OUT) Gbps
2004	9	25.3	14.1
2004	10	27.7	15.4
2004	11	28.5	16.7
2005	5	40.1	24.1
2005	11	57.1	39.8
2006	5	68.5	47.8
2006	11	94.5	57.8
2007	5	116.4	71.2
2007	11	133.7	81.8
2008	5	152.6	94.4
2008	11	176.1	110.8
2009	5	213.1	126.4
2009	11	248.2	148.3
2010	5	286.9	155.5
2010	11	330.1	144.9
2011	5	420.9	160.5
2011	11	-	-

Tweet

DNSSEC

I configured DNSSEC for ai3.net zone several months ago but I still can not register ai3.net's DNSKey to .net root servers.
Last week, I registered ai3.net's DNSKey to dlv.isc.org [1] but the trust chain is still broken.

Reference:
[1] https://dlv.isc.org

Internet Users in Japan

Source from Ministry of Internal Affairs and Communications (MIC)
http://www.soumu.go.jp/johotsusintokei

Year	Total users	Penetration rate
1998	16940000	13.4%
1999	27060000	21.4%
2000	47080000	37.1%
2001	55930000	46.3%
2002	69420000	57.8%
2003	77300000	64.3%
2004	79480000	66.0%
2005	85290000	70.8%
2006	87540000	72.6%
2007	88110000	73.0%
2008	90910000	75.3%
2009	94080000	78.0%
2010	94620000	78.2%

Tweet

Slaving root zone

Old topic to be discussed.

Slaving the following zones from the root name servers has some significant advantages:
1. Faster local resolution for your users
2. No spurious traffic will be sent from your network to the roots
3. Greater resilience to any potential root server failure/DDoS


On the other hand, this method requires more monitoring than the hints file to be sure that an unexpected failure mode has not incapacitated your server.  Name servers that are serving a lot of clients will benefit more from this approach than individual hosts.

great! now Bind 9.9.0 supports raw file for slave zone.

References:
[1] FreeBSD's /etc/namedb/named.conf
[2] https://www.isc.org/software/bind/new-features/9.9

ICT Responses to the Great East Japan Earthquake

Presentation "ICT Responses to the Great East Japan Earthquake" is available on:
http://www.soumu.go.jp/main_sosiki/joho_tsusin/eng/presentation/pdf/111208_1.pdf
Tweet

Cloud Services in Japan

Presentation "Cloud Services in Japan" is available on
http://www.soumu.go.jp/main_sosiki/joho_tsusin/eng/presentation/pdf/111102_1.pdf
Tweet

Law and Policy for Broadband Deployement in Japan

Presentation "Law and Policy for Broadband Deployment in Japan" is available on
http://www.soumu.go.jp/main_sosiki/joho_tsusin/eng/presentation/pdf/100408_1.pdf
Tweet

Japan National Broadband Policies

Presentation of Japan National Broadband Policies is available on:
http://www.soumu.go.jp/main_sosiki/joho_tsusin/eng/presentation/pdf/091019_1.pdf
Tweet

Maintaining Communications Capabilities during Major Natural Disasters and other Emergency Situations

Final report from Internal Affairs and Communications "Maintaining Communications Capabilities during Major Natural Disasters and other Emergency Situations" is available on
http://www.soumu.go.jp/main_content/000146938.pdf
Tweet