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Revitalizing the public internet by making it extensible 通过可扩展来振兴公共互联网
IF 2.8 4区 计算机科学
ACM Sigcomm Computer Communication Review Pub Date : 2021-05-10 DOI: 10.1145/3464994.3464998
H. Balakrishnan, S. Banerjee, I. Cidon, D. Culler, D. Estrin, Ethan Katz-Bassett, A. Krishnamurthy, J. McCauley, N. McKeown, Aurojit Panda, S. Ratnasamy, J. Rexford, Michael Schapira, S. Shenker, I. Stoica, D. Tennenhouse, A. Vahdat, E. Zegura
{"title":"Revitalizing the public internet by making it extensible","authors":"H. Balakrishnan, S. Banerjee, I. Cidon, D. Culler, D. Estrin, Ethan Katz-Bassett, A. Krishnamurthy, J. McCauley, N. McKeown, Aurojit Panda, S. Ratnasamy, J. Rexford, Michael Schapira, S. Shenker, I. Stoica, D. Tennenhouse, A. Vahdat, E. Zegura","doi":"10.1145/3464994.3464998","DOIUrl":"https://doi.org/10.1145/3464994.3464998","url":null,"abstract":"There is now a significant and growing functional gap between the public Internet, whose basic architecture has remained unchanged for several decades, and a new generation of more sophisticated private networks. To address this increasing divergence of functionality and overcome the Internet's architectural stagnation, we argue for the creation of an Extensible Internet (EI) that supports in-network services that go beyond best-effort packet delivery. To gain experience with this approach, we hope to soon deploy both an experimental version (for researchers) and a prototype version (for early adopters) of EI. In the longer term, making the Internet extensible will require a community to initiate and oversee the effort; this paper is the first step in creating such a community.","PeriodicalId":50646,"journal":{"name":"ACM Sigcomm Computer Communication Review","volume":"17 1","pages":"18 - 24"},"PeriodicalIF":2.8,"publicationDate":"2021-05-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85461433","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 23
Surviving switch failures in cloud datacenters 云数据中心中幸存的交换机故障
IF 2.8 4区 计算机科学
ACM Sigcomm Computer Communication Review Pub Date : 2021-05-10 DOI: 10.1145/3464994.3464996
Rachee Singh, Muqeet Mukhtar, Ashay Krishna, Aniruddha Parkhi, J. Padhye, D. Maltz
{"title":"Surviving switch failures in cloud datacenters","authors":"Rachee Singh, Muqeet Mukhtar, Ashay Krishna, Aniruddha Parkhi, J. Padhye, D. Maltz","doi":"10.1145/3464994.3464996","DOIUrl":"https://doi.org/10.1145/3464994.3464996","url":null,"abstract":"Switch failures can hamper access to client services, cause link congestion and blackhole network traffic. In this study, we examine the nature of switch failures in the datacenters of a large commercial cloud provider through the lens of survival theory. We study a cohort of over 180,000 switches with a variety of hardware and software configurations and find that datacenter switches have a 98% likelihood of functioning uninterrupted for over 3 months since deployment in production. However, there is significant heterogeneity in switch survival rates with respect to their hardware and software: the switches of one vendor are twice as likely to fail compared to the others. We attribute the majority of switch failures to hardware impairments and unplanned power losses. We find that the in-house switch operating system, SONiC, boosts the survival likelihood of switches in datacenters by 1% by eliminating switch failures caused by software bugs in vendor switch OSes.","PeriodicalId":50646,"journal":{"name":"ACM Sigcomm Computer Communication Review","volume":"12 1","pages":"2 - 9"},"PeriodicalIF":2.8,"publicationDate":"2021-05-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75268560","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 13
Workshop on Internet Economics (WIE 2020) final report 互联网经济研讨会(WIE 2020)最终报告
IF 2.8 4区 计算机科学
ACM Sigcomm Computer Communication Review Pub Date : 2021-05-10 DOI: 10.1145/3464994.3464999
K. Claffy, D. Clark
{"title":"Workshop on Internet Economics (WIE 2020) final report","authors":"K. Claffy, D. Clark","doi":"10.1145/3464994.3464999","DOIUrl":"https://doi.org/10.1145/3464994.3464999","url":null,"abstract":"On 16-17 December 2020, CAIDA hosted the 11th interdisciplinary Workshop on Internet Economics (WIE) in a virtual Zoom conference. This year our goal was to gather feedback from researchers on their experiences using CAIDA’s data for economics or policy research. We invited all researchers who reported use of CAIDA data in these disciplines. We discussed their successes and challenges of using the data, and how CAIDA could help these fields via Internet measurement and data curation. To avoid Zoom fatigue, we had a conversation-focused rather than presentation-focused workshop. Research topics we discussed included: Internet data for macroeconomics; connectivity and its effect on economic interdependence; effects of the EU’s new GDPR on internet interconnection; measuring corporate cyber risk; measuring work-from-home trends; measuring the economic value of open source software; and more generally how to best support evidence-based policymaking.","PeriodicalId":50646,"journal":{"name":"ACM Sigcomm Computer Communication Review","volume":"23 1","pages":"25 - 27"},"PeriodicalIF":2.8,"publicationDate":"2021-05-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85524465","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The April 2021 issue 2021年4月刊
IF 2.8 4区 计算机科学
ACM Sigcomm Computer Communication Review Pub Date : 2021-05-10 DOI: 10.1145/3464994.3464995
S. Uhlig
{"title":"The April 2021 issue","authors":"S. Uhlig","doi":"10.1145/3464994.3464995","DOIUrl":"https://doi.org/10.1145/3464994.3464995","url":null,"abstract":"This April 2021 issue contains one technical paper as well as five editorial notes.","PeriodicalId":50646,"journal":{"name":"ACM Sigcomm Computer Communication Review","volume":"13 1","pages":"1 - 1"},"PeriodicalIF":2.8,"publicationDate":"2021-05-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84314872","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Netivus Manifesto 内提乌斯宣言
IF 2.8 4区 计算机科学
ACM Sigcomm Computer Communication Review Pub Date : 2021-05-10 DOI: 10.1145/3464994.3464997
Joseph Severini, Radhika Niranjan Mysore, V. Sekar, S. Banerjee, M. Reiter
{"title":"The Netivus Manifesto","authors":"Joseph Severini, Radhika Niranjan Mysore, V. Sekar, S. Banerjee, M. Reiter","doi":"10.1145/3464994.3464997","DOIUrl":"https://doi.org/10.1145/3464994.3464997","url":null,"abstract":"We study operational issues faced by Small and Medium Enterprise (SME) network owners and find that SME network management practices have stagnated over the past decade, despite many recent advances in network management. Many of these advances target hyperscalers and ISPs and cannot be directly applied to SME networks that are operated with vastly different constraints. In our work, we outline these constraints and explain how they impact challenges around debugging, namely: representing, reproducing, and remediating network problems. This article takes a fresh look at these challenges in the light of SME practices around collaborative debugging and presents a roadmap aimed to help resolve SME operational issues quickly.","PeriodicalId":50646,"journal":{"name":"ACM Sigcomm Computer Communication Review","volume":"19 1","pages":"10 - 17"},"PeriodicalIF":2.8,"publicationDate":"2021-05-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85626437","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Delayed Correction of Congenital Torticollis with Modified Bipolar Release 改良双极释放法延迟矫正先天性斜颈
IF 2.8 4区 计算机科学
ACM Sigcomm Computer Communication Review Pub Date : 2021-03-31 DOI: 10.46527/2582-5038.183
H. Vardhan, A. Singh, Vijay Kumar
{"title":"Delayed Correction of Congenital Torticollis with Modified Bipolar Release","authors":"H. Vardhan, A. Singh, Vijay Kumar","doi":"10.46527/2582-5038.183","DOIUrl":"https://doi.org/10.46527/2582-5038.183","url":null,"abstract":"Torticollis refers to congenital shortening in one side of the neck, resulting in a typical attitude of the head. The head tilts to the affected side and the chin deviates to the unaffected side. The etiology of torticollis is unclear with the most commonly accepted theory being a vascular insult to the sternocleidomastoid muscle. This results in a compartment syndrome like picture with subsequent fibrosis of the muscle [1].","PeriodicalId":50646,"journal":{"name":"ACM Sigcomm Computer Communication Review","volume":"4 1","pages":""},"PeriodicalIF":2.8,"publicationDate":"2021-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70557216","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Efficacy of Minimal Volume of Articaine Local Anesthetic for Buccal Infiltration During Extraction of Maxillary and Mandibular First and Second Molars: A Prospective Study 最小体积阿替卡因局部麻醉剂对上颌和下颌第一磨牙和第二磨牙拔除过程中颊部浸润的疗效：前瞻性研究
IF 2.8 4区 计算机科学
ACM Sigcomm Computer Communication Review Pub Date : 2021-03-27 DOI: 10.46527/2582-5038.182
M. Dey, M. Banerjee, Daksh Goel, T. Mahajan, B. Mishra, Shyamalendu Laskar
{"title":"Efficacy of Minimal Volume of Articaine Local Anesthetic for Buccal Infiltration During Extraction of Maxillary and Mandibular First and Second Molars: A Prospective Study","authors":"M. Dey, M. Banerjee, Daksh Goel, T. Mahajan, B. Mishra, Shyamalendu Laskar","doi":"10.46527/2582-5038.182","DOIUrl":"https://doi.org/10.46527/2582-5038.182","url":null,"abstract":"Aim: To evaluate the efficacy of minimal volume of articaine buccal infiltration in extraction of maxillary and mandibular first and second molars. Materials and Method: The study was conducted in the Department of Oral and Maxillofacial Surgery at ITS Centre for Dental Studies and Research, Muradnagar, Ghaziabad, Uttar Pradesh, India, from December 2019 to February 2020. A total of 60 patients were included in the study and were divided into two groups as follows: Group 1 patients who were administered articaine infiltration for the extraction of maxillary first and second molars and Group 2 patients who were administered the same local anesthetic for the extraction of mandibular first and second molars. Result: Anesthesia of the posterior maxillary teeth was obtained using 0.5 ml of articaine buccal infiltration alone while the posterior mandibular teeth required a supplemental lingual infiltration in all the cases. Conclusion: 4% articaine buccal infiltration, as low as 0.5 ml provides successful anesthesia for the extraction of maxillary molars. Palatal injection is generally not required. Buccal infiltration of the lower molars using 0.5 ml of 4% articaine could be a good option for extraction of the mandibular posterior teeth, of course, with supplemental lingual anesthesia.","PeriodicalId":50646,"journal":{"name":"ACM Sigcomm Computer Communication Review","volume":" ","pages":""},"PeriodicalIF":2.8,"publicationDate":"2021-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43722528","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The January 2021 issue 2021年1月号
IF 2.8 4区 计算机科学
ACM Sigcomm Computer Communication Review Pub Date : 2021-03-12 DOI: 10.1145/3457175.3457176
S. Uhlig
{"title":"The January 2021 issue","authors":"S. Uhlig","doi":"10.1145/3457175.3457176","DOIUrl":"https://doi.org/10.1145/3457175.3457176","url":null,"abstract":"This January 2021 issue contains three technical papers as well as two editorial notes.","PeriodicalId":50646,"journal":{"name":"ACM Sigcomm Computer Communication Review","volume":"1 1","pages":"1 - 1"},"PeriodicalIF":2.8,"publicationDate":"2021-03-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89364398","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Experience-driven research on programmable networks 经验驱动的可编程网络研究
IF 2.8 4区 计算机科学
ACM Sigcomm Computer Communication Review Pub Date : 2021-03-12 DOI: 10.1145/3457175.3457178
Hyojoon Kim, Xiaoqi Chen, J. Brassil, J. Rexford
{"title":"Experience-driven research on programmable networks","authors":"Hyojoon Kim, Xiaoqi Chen, J. Brassil, J. Rexford","doi":"10.1145/3457175.3457178","DOIUrl":"https://doi.org/10.1145/3457175.3457178","url":null,"abstract":"Many promising networking research ideas in programmable networks never see the light of day. Yet, deploying research prototypes in production networks can help validate research ideas, improve them with faster feedback, uncover new research questions, and also ease the subsequent transition to practice. In this paper, we show how researchers can run and validate their research ideas in their own backyards---on their production campus networks---and we have seen that such a demonstrator can expedite the deployment of a research idea in practice to solve real network operation problems. We present P4Campus, a proof-of-concept that encompasses tools, an infrastructure design, strategies, and best practices---both technical and non-technical---that can help researchers run experiments against their programmable network idea in their own network. We use network tapping devices, packet brokers, and commodity programmable switches to enable running experiments to evaluate research ideas on a production campus network. We present several compelling data-plane applications as use cases that run on our campus and solve production network problems. By sharing our experiences and open-sourcing our P4 apps [28], we hope to encourage similar efforts on other campuses.","PeriodicalId":50646,"journal":{"name":"ACM Sigcomm Computer Communication Review","volume":"66 1","pages":"10 - 17"},"PeriodicalIF":2.8,"publicationDate":"2021-03-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90740346","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 15
Distrinet
IF 2.8 4区 计算机科学
ACM Sigcomm Computer Communication Review Pub Date : 2021-03-12 DOI: 10.1145/3457175.3457177
{"title":"Distrinet","authors":"","doi":"10.1145/3457175.3457177","DOIUrl":"https://doi.org/10.1145/3457175.3457177","url":null,"abstract":"Networks have become complex systems that combine various concepts, techniques, and technologies. As a consequence, modelling or simulating them now is extremely complicated and researchers massively resort to prototyping techniques. Mininet is the most popular tool when it comes to evaluate SDN propositions. Mininet allows to emulate SDN networks on a single computer but shows its limitations with resource intensive experiments as the emulating host may become overloaded. To tackle this issue, we propose Distrinet, a distributed implementation of Mininet over multiple hosts, based on LXD/LXC, Ansible, and VXLAN tunnels. Distrinet uses the same API than Mininet, meaning that it is compatible with Mininet programs. It is generic and can deploy experiments on Linux clusters (e.g., Grid'5000), as well as on the Amazon EC2 cloud platform.","PeriodicalId":50646,"journal":{"name":"ACM Sigcomm Computer Communication Review","volume":"1986 1","pages":"2 - 9"},"PeriodicalIF":2.8,"publicationDate":"2021-03-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82250976","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 13
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