Performance analysis of a short flow favoring TCP

Moktan, Gautam Raj; Pokhrel, Saurabh; Schulte, Lennart; Särelä, Mikko; Manner, Jukka

doi:10.1109/icacci.2014.6968254

Cited by 2 publications

(2 citation statements)

References 16 publications

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“…e workings of the protocol and its performance evaluation in bulk file transfers are described in papers [27,28]. In the following sections, we describe the implications of using such transport protocol for web data transport.…”

Section: Fld_tcp: An Enhanced Tcp Variant Flow-lengthmentioning

confidence: 99%

Utilizing Connection Usage Characteristics for Faster Web Data Transport

Moktan

Varis

Manner

2018

Journal of Computer Networks and Communications

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e quest for faster data transport to improve web user experience is ongoing and attempts are conducted from various fronts to realize it. On top of improving user experience, the implications of improving web data transport are also on the energy efficiency of wireless devices as well as user retention rates of service providers. HTTP/1.x allow the opening of multiple TCP connections per server and then using those connections for fetching multiple web objects through the use of HTTP pipelining. With the advent of HTTP/2.0, multiplexing is done inside a single connection to fetch multiple objects. In this paper, we analyze the TCP connections between the browser and the servers and examine their characteristics. We describe how an enhanced TCP variant can take advantage of data transport connection patterns. We show the benefits that enhanced TCP system can bring with the understanding of connection usage patterns. We find that such transport protocol can have effect in the page idle times as well as the connection concurrency during web page transfer. e results show significant improvement of page load times for both encryption heavy and unencrypted pages. We discuss the effect of the transport protocol on object transfer, connection duration, idle times during the page load, connections, and concurrency of flows that cumulate into page load times.

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Section: Fld_tcp: An Enhanced Tcp Variant Flow-lengthmentioning

confidence: 99%

Utilizing Connection Usage Characteristics for Faster Web Data Transport

Moktan

Varis

Manner

2018

Journal of Computer Networks and Communications

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“…The variation in traffic flow-lengths in communication networks has led to discussions on flow-length based utilities. There are significantly more short flows in networks than long flows and they also hold more utility per unit length in general (Moktan et al 2014). Prioritizing short flows also provides benefits such as energy efficiency and improved user experience.…”

Section: Prioritizing Short Flowsmentioning

confidence: 99%

Distributive justice in network communications

Moktan

Manner

2019

IJCNDS

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Communication networks often have limited resources to serve all users and flows, and therefore different network resource assignment schemes have been deployed that satisfy fairness notions such as max-min fairness or proportional fairness. The justification of why one notion suits over other must be given due analysis in designing and administrating of communication networks. We explore the development of such fairness notions and resource assignment policies from philosophical and economics roots and how they translate into network communications and its layered protocol architecture. We find that resource assignment policies are not commutative, which impacts communications traffic and its bidirectional nature. We observe the effect of prioritization in assigned resource amounts under different notions of the -fairness spectrum and when the proportion of prioritized participants is varied. After an exploratory discourse, we formulate steps for designing and administrating resource allocation schemes for network communications that takes distributive justice into consideration.Resource assignment designs attempt to obtain efficiency and optimal usage of the resources. Fairness and distributive justice are quite important factors in designing network resource assignment schemes. There are various implementations of resource assignment schemes that satisfy fairness notions such as max-min fairness, proportional fairness and others. But such implementations fail to justify one particular notion over another in any particular implementation. This is due to the lack of regard to social factors and the subjective nature of fairness while developing resource assignment algorithms in communications networks. Justice and fairness are social concepts and knowing how it is conveyed in the networking world is important for anyone trying to develop resource assignment schemes in the context of communication networks.In this paper, we highlight the translation of the commonly used fairness notions in communication networks resource assignment process to the broader philosophical concepts of social justice. We identify the different notions as belonging to different schools of justice principles. We explore the prevailing instruments of prioritization of individuals in the society for assignment of resources such as price, lottery, first-come-first-served, etc. By exploring a few resource assignment areas in communication networks and some prominent works of analysing fairness there, we follow our discussion by comparing and contrasting philosophical treatment of justice and fairness in society to that in the context of communications networks.Network traffic traverse various resource assignment nodes cascaded along the network path. Such nodes of differing policies morph into an aggregated policy resulting into different assigned resource amounts, whose fairness notions are not explained by traditional notions. Such resulting notions are of significance in designing network algorithms and architecture as well as the creatio...

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Performance analysis of a short flow favoring TCP

Cited by 2 publications

References 16 publications

Utilizing Connection Usage Characteristics for Faster Web Data Transport

Utilizing Connection Usage Characteristics for Faster Web Data Transport

Distributive justice in network communications

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