现在ipv4 address里面的热门问题是什么# EmergingNetworking - 热门网络技术
n*g
1 楼
俺要写个presentation，要find a problem in ipv4 address, and solve it
大家说说都有啥热门的problem，谢谢
另外已经有人写ipv6了
大家说说都有啥热门的problem，谢谢
另外已经有人写ipv6了
g*d
2 楼
i thought it is special based on my limited knowledge:-) can u tell me how
other software traverse the nat and firewall?
other software traverse the nat and firewall?
m*t
3 楼
am not sure how it works without any NAT (either host level or on network
NAT)... no matter what you do on l2/l3, having a node with IP 10.1.1.1 to
talk to another node 10.1.1.1 end to end is a no go at IP stack, assume the
IP stack on end hosts can not be altered, such as performing a local NAT of
the incoming source on the target host... am not aware how people solve this
, I understand the L2/L3 VPN can help to carry traffic through tunneled or
tagged, but when it hit the end node and get to
NAT)... no matter what you do on l2/l3, having a node with IP 10.1.1.1 to
talk to another node 10.1.1.1 end to end is a no go at IP stack, assume the
IP stack on end hosts can not be altered, such as performing a local NAT of
the incoming source on the target host... am not aware how people solve this
, I understand the L2/L3 VPN can help to carry traffic through tunneled or
tagged, but when it hit the end node and get to
g*d
4 楼
not this one. i forgot the link. it is a hacker presentation in an europ
event on how to crack skype software. 1st part is how to decode, 2nd part is
a description how skype software communicate each other. 3rd part is how
they found a severe bug.
event on how to crack skype software. 1st part is how to decode, 2nd part is
a description how skype software communicate each other. 3rd part is how
they found a severe bug.
g*d
5 楼
i thought it is special based on my limited knowledge:-) can u tell me how
other software traverse the nat and firewall?
【在 m**t 的大作中提到】
: am not sure how it works without any NAT (either host level or on network
: NAT)... no matter what you do on l2/l3, having a node with IP 10.1.1.1 to
: talk to another node 10.1.1.1 end to end is a no go at IP stack, assume the
: IP stack on end hosts can not be altered, such as performing a local NAT of
: the incoming source on the target host... am not aware how people solve this
: , I understand the L2/L3 VPN can help to carry traffic through tunneled or
: tagged, but when it hit the end node and get to
other software traverse the nat and firewall?
【在 m**t 的大作中提到】
: am not sure how it works without any NAT (either host level or on network
: NAT)... no matter what you do on l2/l3, having a node with IP 10.1.1.1 to
: talk to another node 10.1.1.1 end to end is a no go at IP stack, assume the
: IP stack on end hosts can not be altered, such as performing a local NAT of
: the incoming source on the target host... am not aware how people solve this
: , I understand the L2/L3 VPN can help to carry traffic through tunneled or
: tagged, but when it hit the end node and get to
m*t
6 楼
i was just mocking around, never mind
I feel the essence of those NAT traveral mechanisms remain same, i've run
into implementations of STUN, Mobile IP NAT traversal, HTTP Tunneling etc,
all of them needs a outsider service to be anchor point to relay or tunnel
packets. NAT has been such a pain in the butt
Come back to the original subject :) One of the tough problem I think is to
merge two networks with overlapping private IPv4 spaces without using NAT
gateways, anyone has idea on this?
【在 g**d 的大作中提到】
: i thought it is special based on my limited knowledge:-) can u tell me how
: other software traverse the nat and firewall?
I feel the essence of those NAT traveral mechanisms remain same, i've run
into implementations of STUN, Mobile IP NAT traversal, HTTP Tunneling etc,
all of them needs a outsider service to be anchor point to relay or tunnel
packets. NAT has been such a pain in the butt
Come back to the original subject :) One of the tough problem I think is to
merge two networks with overlapping private IPv4 spaces without using NAT
gateways, anyone has idea on this?
【在 g**d 的大作中提到】
: i thought it is special based on my limited knowledge:-) can u tell me how
: other software traverse the nat and firewall?
g*d
7 楼
not this one. i forgot the link. it is a hacker presentation in an europ
event on how to crack skype software. 1st part is how to decode, 2nd part is
a description how skype software communicate each other. 3rd part is how
they found a severe bug.
event on how to crack skype software. 1st part is how to decode, 2nd part is
a description how skype software communicate each other. 3rd part is how
they found a severe bug.
p*h
8 楼
SIP based VOIP 不也是用STUN来穿透NAT的么？
Skype 的 p2p 比较起来就是用supernodes来替代一个中心server，这样理解对不对？
NAT
external
full
way
514．plaice 鱼潜水底 69.180. 阅读文章 7 2485
515．plain 拳头底下出孝子 169.231. 阅读文章 1 7338
516．pledge netcat 12.210. 阅读文章 1 31245
517．plus Cara, Master, Fa 68.107. 阅读文章 9 7646
518．popdrink popdrink 67.51. 阅读文章 5146
519．popsoft FAI
【在 m**t 的大作中提到】
: i was just mocking around, never mind
: I feel the essence of those NAT traveral mechanisms remain same, i've run
: into implementations of STUN, Mobile IP NAT traversal, HTTP Tunneling etc,
: all of them needs a outsider service to be anchor point to relay or tunnel
: packets. NAT has been such a pain in the butt
: Come back to the original subject :) One of the tough problem I think is to
: merge two networks with overlapping private IPv4 spaces without using NAT
: gateways, anyone has idea on this?
Skype 的 p2p 比较起来就是用supernodes来替代一个中心server，这样理解对不对？
NAT
external
full
way
514．plaice 鱼潜水底 69.180. 阅读文章 7 2485
515．plain 拳头底下出孝子 169.231. 阅读文章 1 7338
516．pledge netcat 12.210. 阅读文章 1 31245
517．plus Cara, Master, Fa 68.107. 阅读文章 9 7646
518．popdrink popdrink 67.51. 阅读文章 5146
519．popsoft FAI
【在 m**t 的大作中提到】
: i was just mocking around, never mind
: I feel the essence of those NAT traveral mechanisms remain same, i've run
: into implementations of STUN, Mobile IP NAT traversal, HTTP Tunneling etc,
: all of them needs a outsider service to be anchor point to relay or tunnel
: packets. NAT has been such a pain in the butt
: Come back to the original subject :) One of the tough problem I think is to
: merge two networks with overlapping private IPv4 spaces without using NAT
: gateways, anyone has idea on this?
z*r
9 楼
上次写了一个NAT I，要不谁写个NAT II?
【在 p******h 的大作中提到】
: SIP based VOIP 不也是用STUN来穿透NAT的么？
: Skype 的 p2p 比较起来就是用supernodes来替代一个中心server，这样理解对不对？
:
: NAT
: external
: full
: way
: 514．plaice 鱼潜水底 69.180. 阅读文章 7 2485
: 515．plain 拳头底下出孝子 169.231. 阅读文章 1 7338
: 516．pledge netcat 12.210. 阅读文章 1 31245
【在 p******h 的大作中提到】
: SIP based VOIP 不也是用STUN来穿透NAT的么？
: Skype 的 p2p 比较起来就是用supernodes来替代一个中心server，这样理解对不对？
:
: NAT
: external
: full
: way
: 514．plaice 鱼潜水底 69.180. 阅读文章 7 2485
: 515．plain 拳头底下出孝子 169.231. 阅读文章 1 7338
: 516．pledge netcat 12.210. 阅读文章 1 31245
m*t
10 楼
i was just mocking around, never mind
I feel the essence of those NAT traveral mechanisms remain same, i've run
into implementations of STUN, Mobile IP NAT traversal, HTTP Tunneling etc,
all of them needs a outsider service to be anchor point to relay or tunnel
packets. NAT has been such a pain in the butt
Come back to the original subject :) One of the tough problem I think is to
merge two networks with overlapping private IPv4 spaces without using NAT
gateways, anyone has idea on this?
【在 g**d 的大作中提到】
: not this one. i forgot the link. it is a hacker presentation in an europ
: event on how to crack skype software. 1st part is how to decode, 2nd part is
: a description how skype software communicate each other. 3rd part is how
: they found a severe bug.
I feel the essence of those NAT traveral mechanisms remain same, i've run
into implementations of STUN, Mobile IP NAT traversal, HTTP Tunneling etc,
all of them needs a outsider service to be anchor point to relay or tunnel
packets. NAT has been such a pain in the butt
Come back to the original subject :) One of the tough problem I think is to
merge two networks with overlapping private IPv4 spaces without using NAT
gateways, anyone has idea on this?
【在 g**d 的大作中提到】
: not this one. i forgot the link. it is a hacker presentation in an europ
: event on how to crack skype software. 1st part is how to decode, 2nd part is
: a description how skype software communicate each other. 3rd part is how
: they found a severe bug.
m*t
11 楼
am not sure how it works without any NAT (either host level or on network
NAT)... no matter what you do on l2/l3, having a node with IP 10.1.1.1 to
talk to another node 10.1.1.1 end to end is a no go at IP stack, assume the
IP stack on end hosts can not be altered, such as performing a local NAT of
the incoming source on the target host... am not aware how people solve this
, I understand the L2/L3 VPN can help to carry traffic through tunneled or
tagged, but when it hit the end node and get to
【在 z**r 的大作中提到】
: 上次写了一个NAT I，要不谁写个NAT II?
NAT)... no matter what you do on l2/l3, having a node with IP 10.1.1.1 to
talk to another node 10.1.1.1 end to end is a no go at IP stack, assume the
IP stack on end hosts can not be altered, such as performing a local NAT of
the incoming source on the target host... am not aware how people solve this
, I understand the L2/L3 VPN can help to carry traffic through tunneled or
tagged, but when it hit the end node and get to
【在 z**r 的大作中提到】
: 上次写了一个NAT I，要不谁写个NAT II?
z*r
12 楼
上次写了一个NAT I，要不谁写个NAT II?
【在 p******h 的大作中提到】
: SIP based VOIP 不也是用STUN来穿透NAT的么？
: Skype 的 p2p 比较起来就是用supernodes来替代一个中心server，这样理解对不对？
:
: NAT
: external
: full
: way
: 514．plaice 鱼潜水底 69.180. 阅读文章 7 2485
: 515．plain 拳头底下出孝子 169.231. 阅读文章 1 7338
: 516．pledge netcat 12.210. 阅读文章 1 31245
【在 p******h 的大作中提到】
: SIP based VOIP 不也是用STUN来穿透NAT的么？
: Skype 的 p2p 比较起来就是用supernodes来替代一个中心server，这样理解对不对？
:
: NAT
: external
: full
: way
: 514．plaice 鱼潜水底 69.180. 阅读文章 7 2485
: 515．plain 拳头底下出孝子 169.231. 阅读文章 1 7338
: 516．pledge netcat 12.210. 阅读文章 1 31245
z*r
13 楼
I misunderstood your question, hehe, I thought you were talking about the IP
address space reuse
the
of
this
【在 m**t 的大作中提到】
: am not sure how it works without any NAT (either host level or on network
: NAT)... no matter what you do on l2/l3, having a node with IP 10.1.1.1 to
: talk to another node 10.1.1.1 end to end is a no go at IP stack, assume the
: IP stack on end hosts can not be altered, such as performing a local NAT of
: the incoming source on the target host... am not aware how people solve this
: , I understand the L2/L3 VPN can help to carry traffic through tunneled or
: tagged, but when it hit the end node and get to
address space reuse
the
of
this
【在 m**t 的大作中提到】
: am not sure how it works without any NAT (either host level or on network
: NAT)... no matter what you do on l2/l3, having a node with IP 10.1.1.1 to
: talk to another node 10.1.1.1 end to end is a no go at IP stack, assume the
: IP stack on end hosts can not be altered, such as performing a local NAT of
: the incoming source on the target host... am not aware how people solve this
: , I understand the L2/L3 VPN can help to carry traffic through tunneled or
: tagged, but when it hit the end node and get to
m*t
14 楼
am not sure how it works without any NAT (either host level or on network
NAT)... no matter what you do on l2/l3, having a node with IP 10.1.1.1 to
talk to another node 10.1.1.1 end to end is a no go at IP stack, assume the
IP stack on end hosts can not be altered, such as performing a local NAT of
the incoming source on the target host... am not aware how people solve this
, I understand the L2/L3 VPN can help to carry traffic through tunneled or
tagged, but when it hit the end node and get to
【在 z**r 的大作中提到】
: I misunderstood your question, hehe, I thought you were talking about the IP
: address space reuse
:
: the
: of
: this
NAT)... no matter what you do on l2/l3, having a node with IP 10.1.1.1 to
talk to another node 10.1.1.1 end to end is a no go at IP stack, assume the
IP stack on end hosts can not be altered, such as performing a local NAT of
the incoming source on the target host... am not aware how people solve this
, I understand the L2/L3 VPN can help to carry traffic through tunneled or
tagged, but when it hit the end node and get to
【在 z**r 的大作中提到】
: I misunderstood your question, hehe, I thought you were talking about the IP
: address space reuse
:
: the
: of
: this
z*r
15 楼
上次写了一个NAT I，要不谁写个NAT II?
【在 p******h 的大作中提到】
: SIP based VOIP 不也是用STUN来穿透NAT的么？
: Skype 的 p2p 比较起来就是用supernodes来替代一个中心server，这样理解对不对？
:
: NAT
: external
: full
: way
: 514．plaice 鱼潜水底 69.180. 阅读文章 7 2485
: 515．plain 拳头底下出孝子 169.231. 阅读文章 1 7338
: 516．pledge netcat 12.210. 阅读文章 1 31245
【在 p******h 的大作中提到】
: SIP based VOIP 不也是用STUN来穿透NAT的么？
: Skype 的 p2p 比较起来就是用supernodes来替代一个中心server，这样理解对不对？
:
: NAT
: external
: full
: way
: 514．plaice 鱼潜水底 69.180. 阅读文章 7 2485
: 515．plain 拳头底下出孝子 169.231. 阅读文章 1 7338
: 516．pledge netcat 12.210. 阅读文章 1 31245
d*y
16 楼
You should also look at ICE draft and TURN internet draft.RFC 3489 has a
bias draft now since it is kind of
out of date, e.g., the classification of NAT types.
【在 g**d 的大作中提到】
: not this one. i forgot the link. it is a hacker presentation in an europ
: event on how to crack skype software. 1st part is how to decode, 2nd part is
: a description how skype software communicate each other. 3rd part is how
: they found a severe bug.
bias draft now since it is kind of
out of date, e.g., the classification of NAT types.
【在 g**d 的大作中提到】
: not this one. i forgot the link. it is a hacker presentation in an europ
: event on how to crack skype software. 1st part is how to decode, 2nd part is
: a description how skype software communicate each other. 3rd part is how
: they found a severe bug.
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