PPT-Programmable Packet Scheduling

Author : KittyCat | Published Date : 2022-08-04

with a Single Queue Zhuolong Yu Chuheng Hu Jingfeng Wu Xiao Sun Vladimir Braverman Mosharaf Chowdhury Zhenhua Liu Xin Jin 1 Many packet scheduling algorithms

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Programmable Packet Scheduling: Transcript

with a Single Queue Zhuolong Yu Chuheng Hu Jingfeng Wu Xiao Sun Vladimir Braverman Mosharaf Chowdhury Zhenhua Liu Xin Jin 1 Many packet scheduling algorithms have been designed for different properties. Anirudh . Sivaraman. , . Suvinay. Subramanian, . Anurag. Agrawal, . Sharad. . Chole. , Shang-. Tse. Chuang, Tom . Edsall. , Mohammad . Alizadeh. , . Sachin. . Katti. , Nick . McKeown. , . Hari. . Muhammad Shahbaz. Nick . Feamster. Jennifer Rexford. Sean Choi. Nick McKeown. Ben Pfaff. Changhoon. Kim. Cian . Ferriter. Mark Gray. PISCES: A . Protocol-Independent Software Switch. PISCES. vSwitch. Slides courtesy of Patrick . Bosshart. , Nick McKeown, and Mihai . Budiu. Outline. Motivation for programmable switches. Early attempts at programmability. Programmability without losing performance: The Reconfigurable Match-Action Table model. Anirudh . Sivaraman. , . Suvinay. Subramanian, Mohammad . Alizadeh. , Sharad . Chole. , Shang-. Tse. Chuang, Anurag Agrawal, Hari . Balakrishnan. , Tom . Edsall. , . Sachin. . Katti. , Nick McKeown. Active Networks + SDN. How to Introduce new services . Overlays: user can introduce what-ever. Ignores physical network . . . perf. overhead. Overlay nodes – software routing . . . perf. overhead. Bosshart. , Nick McKeown, and Mihai . Budiu. Outline. Motivation for programmable switches. Early attempts at programmability. Programmability without losing performance: The Reconfigurable Match-Action Table model. Anirudh . Sivaraman. , . Suvinay. Subramanian, . Anurag. Agrawal, . Sharad. . Chole. , Shang-. Tse. Chuang, Tom . Edsall. , Mohammad . Alizadeh. , . Sachin. . Katti. , Nick . McKeown. , . Hari. . Wenjie. . Zhou (. Co-Primary Author. ), . Dong Li (. Co-Primary Author. ), . Kannan. . Srinivasan. , . Prasun. . Sinha. 1. Enterprise Networks. 2. Important research topics:. Channel assignment. AP association. Anirudh . Sivaraman. , . Suvinay. Subramanian, Mohammad . Alizadeh. , Sharad . Chole. , Shang-. Tse. Chuang, Anurag Agrawal, Hari . Balakrishnan. , Tom . Edsall. , . Sachin. . Katti. , Nick McKeown. Muhammad . Shahb. az. , Sean Choi, Ben Pfaff, . Changhoon. Kim,. . Nick . Feamster. , . Nick . McKeown, and Jennifer Rexford. P4 . OVS == . Fast Forwarding!. Also appears at SIGCOMM 2016!. 2. http://. Before. . SDN. …. Many boxes (routers, switches, firewalls, …), with different interfaces.. A Brief History. . of. . SDN. Many. . functions. . in. . networking. . devices. Routing,. . Switching,. Anirudh . Sivaraman. , . Suvinay. Subramanian, . Anurag. Agrawal, . Sharad. . Chole. , Shang-. Tse. Chuang, Tom . Edsall. , Mohammad . Alizadeh. , . Sachin. . Katti. , Nick . McKeown. , . Hari. . Anirudh . Sivaraman. Traditional network architecture. Simple routers; most functionality resides on end hosts. But, today’s reality is very different. We are demanding more from routers: ACLs, tunnels, measurement . Fall 2019. Programmable Scheduling. Scheduling in switch pipelines. Packets wait in buffers/queues until serviced. Two possibilities: . Input-queued. vs. . output-queued. Suppose there are pkts on port 1 to both 2 and 3.

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