发明名称 |
Packet transfer device, packet transfer method, packet transfer program and communication device |
摘要 |
A packet transfer device includes: an address conversion unit that allocates a global address to a plurality of private addresses of the plurality of private networks and converts address information and a port number included in a header of a received packet; a transfer unit that transfers a packet having the address information and the port number which are converted by the address conversion unit; and a session restriction unit that manages a number of sessions between a user terminal in the plurality of private networks and a device in the global network for each predetermined group and, when the number of sessions is greater than a number of available sessions which is set to each group, restricts the session of the user terminal which belongs to the group having the excess number of sessions.
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申请公布号 |
US8537667(B2) |
申请公布日期 |
2013.09.17 |
申请号 |
US20090588610 |
申请日期 |
2009.10.21 |
申请人 |
YAMAZAKI YUSUKE;TASHIRO MASAKI;OKI ELECTRIC INDUSTRY CO., LTD. |
发明人 |
YAMAZAKI YUSUKE;TASHIRO MASAKI |
分类号 |
H04L12/28 |
主分类号 |
H04L12/28 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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