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公开(公告)号：US12068959B1
公开(公告)日：2024-08-20
申请号：US18225487
申请日：2023-07-24
发明人： Ganesh Devendrachar , Ajeet Pal Singh Gill , Balaji Sundararajan , Srilatha Tangirala , Satish Varadarajula , Satyajit Das
IPC分类号： H04L45/76 , H04L45/24 , H04L47/125
CPC分类号： H04L45/76 , H04L45/24 , H04L47/125
摘要： Techniques for automatically providing per tenant weighted DCMP over shared transport interfaces and automated flow has load balancing are described. The techniques may include onboarding the tenant to the local multi-tenant edge device associated with a tenant, where the resource profile defines a traffic allowance per transport interface for the tenant. Local weight per transport interface is applied. Information including local weight per transport interface is transmitted to a remote device via an SD-WAN controller. Information including a remote weight per transport interface of the remote device is received via the SD-WAN controller. Traffic is routed from the tenant based on local weight per transport interface of the local device and remote weight per transport interface of the remote device.
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公开(公告)号：US20230344771A1
公开(公告)日：2023-10-26
申请号：US17816818
申请日：2022-08-02
发明人： Arul Murugan Manickam , Avinash Shah , Laxmikantha Reddy Ponnuru , Satyajit Das , Deepa Rajendra Sangolli , Govindakrishnan Kannan , Pritam Baruah
IPC分类号： H04L47/125 , H04L47/2416
CPC分类号： H04L47/125 , H04L47/2416
摘要： In one embodiment, a method includes receiving traffic and identifying one or more attributes associated with the traffic. The method also includes dynamically selecting a load balancing algorithm based on the one or more attributes in accordance with a load balancing scheme. The method further includes performing load balancing on the traffic in accordance with the load balancing algorithm and communicating the traffic from a first network element to a second network element in accordance with the load balancing.
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公开(公告)号：US20230344741A1
公开(公告)日：2023-10-26
申请号：US17815099
申请日：2022-07-26
CPC分类号： H04L1/0045 , H04L1/0021 , H04L43/12
摘要： In one embodiment, a method includes configuring a first application probe class and a second application probe class. The first application probe class may be associated with a first Differentiated Services Code Point (DSCP), and the second application probe class may be associated with a second DSCP. The method also includes determining an adaptive Forward Error Correction (FEC) data policy for the first application probe class and the second application probe class, calculating a first loss value associated with the first application probe class for a link between a first network node and a second network node, and comparing the first loss value to a first loss threshold. The method further includes determining whether to activate FEC processing for the first application probe class in response to comparing the first loss value to the first loss threshold.
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公开(公告)号：US20210036987A1
公开(公告)日：2021-02-04
申请号：US16530596
申请日：2019-08-02
IPC分类号： H04L29/12 , H04L12/24 , H04L12/46 , H04L12/707
摘要： A WAN controller can configure a first WAN interface on a first WAN edge device to connect to a first transport network. The WAN controller can configure a second WAN interface on a second WAN edge device to connect to a second transport network. The WAN controller or the first WAN edge device, connected to a first access device of an access network, can determine the first WAN edge device has no Layer 2 connectivity to the second WAN edge device, connected to a second access device of the access network. The WAN controller or the first WAN edge device can establish a tunnel between the first WAN edge device and the second WAN interface. The WAN controller can route a specified class of WAN traffic received by the first WAN edge device from the access network through the tunnel.
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公开(公告)号：US20240348554A1
公开(公告)日：2024-10-17
申请号：US18133975
申请日：2023-04-12
发明人： Balaji Sundararajan , Ganesh Devendrachar , Avinash Shah , Preety Mordani , Satyajit Das , Michael John Moskal
摘要： Techniques are described for avoiding data packet fragmentation in a routing device such as a router or network switch. Path Maximum Transport Unit (PMTU) values are monitored for a plurality of egress links of a networking device. A statistical analysis of fragmentation rates is performed. The statistical analysis can be performed on a per-link basis, per-flow basis or both per-link and per-flow basis. If the packet fragmentation rate of data flows through a particular egress link exceeds a determined threshold value, one or more data flows can be re-routed to a different egress link having a higher PMTU, thereby preventing data packet fragmentation.
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公开(公告)号：US20240179082A1
公开(公告)日：2024-05-30
申请号：US18433756
申请日：2024-02-06
CPC分类号： H04L43/12 , H04L1/0021 , H04L1/0045
摘要： In one embodiment, a method includes configuring a first application probe class and a second application probe class. The first application probe class may be associated with a first Differentiated Services Code Point (DSCP), and the second application probe class may be associated with a second DSCP. The method also includes determining an adaptive Forward Error Correction (FEC) data policy for the first application probe class and the second application probe class, calculating a first loss value associated with the first application probe class for a link between a first network node and a second network node, and comparing the first loss value to a first loss threshold. The method further includes determining whether to activate FEC processing for the first application probe class in response to comparing the first loss value to the first loss threshold.
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公开(公告)号：US20220029857A1
公开(公告)日：2022-01-27
申请号：US17091240
申请日：2020-11-06
发明人： Laxmikantha Reddy Ponnuru , Samir Thoria , Managa Sunitha Arun Kumar , Satyajit Das , Ram Dular Singh
IPC分类号： H04L12/46 , H04L12/707
摘要： The present disclosure is directed to a mechanism for optimized application performance in SD-WAN, and includes the steps of receiving initial traffic packets at a first site for transmission to a second site; determining whether a direct tunnel is established between the first site and the second site based on a state of the second site, the state comprising an active state indicating that a direct tunnel is established between the first and second sites or an inactive state indicating that the direct tunnel is not established between the first and second sites; and in response to determining that the direct tunnel is not established, determining that the initial packets satisfy a configured trigger; forwarding the initial packets to the second site via a backup path; establishing the direct tunnel between the first and second sites; and forwarding subsequent traffic packets to the second site via the established direct tunnel.
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公开(公告)号：US20230344775A1
公开(公告)日：2023-10-26
申请号：US17815614
申请日：2022-07-28
发明人： Jigar Parekh , Mrigendra Patel , Sanjay Sreenath , Laxmikantha Reddy Ponnuru , Satyajit Das , Kaiyuan Xu , Hari Krishna Donti , Tahir Ali , Hamzah Shuaib Kardame
摘要： In one embodiment, a method includes receiving, by a network node, traffic within a hierarchical software-defined wide area network (SD-WAN) network. The method also includes determining, by the network node, a destination region of the traffic. The destination region is within the hierarchical SD-WAN network. The method further includes classifying, by the network node, the traffic based on a destination match condition. The destination match condition is associated with two or more destination regions.
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公开(公告)号：US11582068B2
公开(公告)日：2023-02-14
申请号：US17091240
申请日：2020-11-06
发明人： Laxmikantha Reddy Ponnuru , Samir Thoria , Managa Sunitha Arun Kumar , Satyajit Das , Ram Dular Singh
摘要： The present disclosure is directed to a mechanism for optimized application performance in SD-WAN, and includes the steps of receiving initial traffic packets at a first site for transmission to a second site; determining whether a direct tunnel is established between the first site and the second site based on a state of the second site, the state comprising an active state indicating that a direct tunnel is established between the first and second sites or an inactive state indicating that the direct tunnel is not established between the first and second sites; and in response to determining that the direct tunnel is not established, determining that the initial packets satisfy a configured trigger; forwarding the initial packets to the second site via a backup path; establishing the direct tunnel between the first and second sites; and forwarding subsequent traffic packets to the second site via the established direct tunnel.
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公开(公告)号：US11902140B2
公开(公告)日：2024-02-13
申请号：US17815099
申请日：2022-07-26
CPC分类号： H04L43/12 , H04L1/0021 , H04L1/0045
摘要： In one embodiment, a method includes configuring a first application probe class and a second application probe class. The first application probe class may be associated with a first Differentiated Services Code Point (DSCP), and the second application probe class may be associated with a second DSCP. The method also includes determining an adaptive Forward Error Correction (FEC) data policy for the first application probe class and the second application probe class, calculating a first loss value associated with the first application probe class for a link between a first network node and a second network node, and comparing the first loss value to a first loss threshold. The method further includes determining whether to activate FEC processing for the first application probe class in response to comparing the first loss value to the first loss threshold.
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