公开(公告)号：US20150350336A1

公开(公告)日：2015-12-03

申请号：US14826591

申请日：2015-08-14

Applicant: Juniper Networks, Inc.

Inventor： Suresh Kumar VINAPAMULA VENKATA ,  Rajesh MOHAN ,  Sarat KAMISETTY ,  Reinaldo PENNO ,  Sanjay V. AGRAWAL

IPC: H04L29/08 ,  H04L29/12

CPC classification number: H04L67/141 ,  H04L61/25 ,  H04L61/2514 ,  H04L61/2517 ,  H04L61/255 ,  H04L61/256 ,  H04L61/6068 ,  H04L67/142

Abstract: A node is configured to receive, from a second node, a request to establish a session; perform, in response to the request, a network address translation (NAT) operation to establish the session, the NAT operation causing a first port block to be allocated to the session, the first port block including a first set of ports via which traffic, associated with the session, is transported; determine that the set of ports are no longer available for the session; determine whether a quantity of times that the first port block has been allocated to the session is greater than a threshold; and retain the first port block, for the session, when the quantity of times that the first port block has been allocated to the session is not greater than the threshold.

Abstract translation: 节点被配置为从第二节点接收建立会话的请求; 响应于所述请求，执行网络地址转换（NAT）操作以建立所述会话，所述NAT操作使得将第一端口块分配给所述会话，所述第一端口块包括第一组端口，经由所述第一端口， 与会议相关联，运输; 确定该组端口不再可用于会话; 确定第一端口块已经被分配给会话的次数是否大于阈值; 并且当第一个端口块已分配给会话的次数不大于阈值时，保留第一个端口块，用于该会话。