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Presentation on theme: "Work Schedule https://store.theartofservice.com/the-work-schedule-toolkit.html."— Presentation transcript:

1 Work Schedule https://store.theartofservice.com/the-work-schedule-toolkit.html

2 Network scheduler 1 A network scheduler, also called packet scheduler, is an arbiter program that manages the sequence of network packets in the transmit and receive queues of the network interface controller, which is a circular data buffer. There are several network schedulers available for the different operating system kernels, that implement more or less of the existent network scheduling-algorithms. https://store.theartofservice.com/the-work-schedule-toolkit.html

3 Network scheduler 1 The network scheduler is the piece of software, by which active queue management or traffic shaping is accomplished. https://store.theartofservice.com/the-work-schedule-toolkit.html

4 Network scheduler - Linux kernel 1 The currently available network scheduler for the Linux kernel is an integral part of the Linux network stack; it arbiters the ringbuffers of all NICs, hence it works on layer 2 of the OSI model and handles Ethernet frames. It manages the transmit and receive buffers of all present NICs. https://store.theartofservice.com/the-work-schedule-toolkit.html

5 Network scheduler - Linux kernel 1 The user space programs ifconfig and ip enable the system administrator to regulate the buffer sizes: txqueuelen /rxqueuelen; the unit being number of Ethernet frames (regardless of their size) for each device separately. The Linux network stack contains several other buffers, which are not managed by the network scheduler. The overall size of all buffers has been the point of critique by the Bufferbloat project. https://store.theartofservice.com/the-work-schedule-toolkit.html

6 Network scheduler - Linux kernel 1 Another network scheduler is being developed as part of Netfilter. https://store.theartofservice.com/the-work-schedule-toolkit.html

7 Network scheduler - BSD 1 ALTQ is the implementation of a network scheduler for Berkeley Software Distribution. https://store.theartofservice.com/the-work-schedule-toolkit.html

8 Network scheduler - Functioning 1 The network scheduler logic decides similar to a statistical multiplexer which network packet to forward next from the buffer. The buffer works as a queuing system, where the network packets are stored temporarily until they are transmitted. The buffer space is divided into many queues, each of which is used to hold the packets of one flow, defined for instance by source and destination IP addresses. https://store.theartofservice.com/the-work-schedule-toolkit.html

9 Network scheduler - Functioning 1 The in each case loaded network scheduling algorithm and the settings determine how the network scheduler manages the buffer. https://store.theartofservice.com/the-work-schedule-toolkit.html

10 Network scheduler - Bufferbloat 1 High latency and jitter are phenomenons encountered due to the coincidence of bufferbloat and high traffic volume. Though the network scheduler manages only the transmit (and receive) queue of the network controller, and more buffers exist, by the adoption of the CoDel queueing disclipine, a significant reduction of the effect has been achieved. https://store.theartofservice.com/the-work-schedule-toolkit.html

11 Network scheduler - Buzzwords 1 Though the task of a network scheduler is not that complicated, a lot of buzzwords are around: https://store.theartofservice.com/the-work-schedule-toolkit.html

12 Netfilter - Network scheduler 1 There are plans to implement the functionality of the Network scheduler ins user-space as a part of Netfilter. https://store.theartofservice.com/the-work-schedule-toolkit.html

13 Linux Network Scheduler 1 A 'network scheduler', also called 'packet scheduler', is an Arbiter (electronics)|arbiter program that manages the sequence of network packets in the transmit and receive queue (abstract data type)|queues of the network interface controller, which is a circular buffer|circular data buffer. There are several network schedulers available for the different operating system Kernel (computing)|kernels, that implement many of the existing network scheduling algorithms. https://store.theartofservice.com/the-work-schedule-toolkit.html

14 Linux Network Scheduler 1 Also, network schedulers are enabling accomplishment of the active queue management and traffic shaping. https://store.theartofservice.com/the-work-schedule-toolkit.html

15 Linux Network Scheduler - Linux kernel 1 The user space programs ifconfig and Iproute2|ip enable the system administrator to regulate the buffer sizes: txqueuelen /rxqueuelen; the unit being number of Ethernet frames (regardless of their size) for each device separately. The Linux network stack contains several other buffers, which are not managed by the network scheduler. The overall size of all buffers has been the point of critique by the Bufferbloat project. https://store.theartofservice.com/the-work-schedule-toolkit.html

16 Linux Network Scheduler - Functioning 1 The network scheduler logic decides similar to a statistical multiplexer which network packet to forward next from the buffer (computer science)|buffer. The buffer works as a queuing system, where the network packets are stored temporarily until they are transmitted. The buffer space is divided into many queues, each of which is used to hold the packets of one flow, defined for instance by source and destination IP addresses. https://store.theartofservice.com/the-work-schedule-toolkit.html

17 Linux Network Scheduler - Bufferbloat 1 High latency (engineering)|latency and packet delay variation|jitter are phenomenons encountered due to the coincidence of bufferbloat and high traffic volume. Though the network scheduler manages only the transmit (and receive) queue of the network controller, and more buffers exist, by the adoption of the CoDel queueing disclipine, a significant reduction of the effect has been achieved. https://store.theartofservice.com/the-work-schedule-toolkit.html

18 Shared Earning/Shared Parenting Marriage - Work schedules and outsourced child care and chores 1 Some couples seek reduced work schedules, such as 30-hour or 35-hour work weeks, while others will work full-time and outsource child care and house chores https://store.theartofservice.com/the-work-schedule-toolkit.html

19 For More Information, Visit: https://store.theartofservice.co m/the-work-schedule- toolkit.html https://store.theartofservice.co m/the-work-schedule- toolkit.html The Art of Service https://store.theartofservice.com


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